GLOBAL TELESYSTEMS GROUP INC
424B4, 1998-02-05
TELEPHONE COMMUNICATIONS (NO RADIOTELEPHONE)
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<PAGE>   1
                                                Filed Pursuant to Rule 424(b)(4)
                                                Registration No. 333-43155
 
PROSPECTUS
      FEBRUARY 4, 1998
                                  $105,000,000
                         GLOBAL TELESYSTEMS GROUP, INC.
 
                          9 7/8% SENIOR NOTES DUE 2005

[GLOBAL TELESYSTEMS GROUP, INC. LOGO]
 
    The 9 7/8% Senior Notes due 2005 (the "Notes") are being offered hereby (the
"Notes Offering") by Global TeleSystems Group, Inc. (the "Company"). Interest on
the Notes will be payable in cash semiannually on February 15 and August 15 of
each year, commencing August 15, 1998. The Notes will mature on February 15,
2005. The Company will place approximately $19.6 million of the net proceeds of
the Notes Offering, representing funds that together with the proceeds from the
investment thereof will be sufficient to pay the first four scheduled interest
payments on the Notes, in an escrow account for the benefit of the holders of
the Notes.
 
    The Company has also filed a registration statement with respect to the
offering of 11,100,000 shares of Common Stock, par value $.10 per share (the
"Common Stock"), with 7,400,000 shares being offered in the United States and
Canada (the "U.S. Offering") and 3,700,000 shares being offered in a concurrent
offering outside the United States and Canada (the "International Offering" and
together with the U.S. Offering, the "Stock Offerings"), which Stock Offerings
will be made by separate prospectuses. Consummation of both the Notes Offering
and the Stock Offerings are conditioned upon the consummation of the other. The
Notes Offering and the Stock Offerings are collectively referred to herein as
the "Offerings."
 
    The Notes will be redeemable, in whole or in part, on or after February 15,
2002 at the redemption prices set forth herein, plus accrued and unpaid interest
to the redemption date. In addition, the Company may, at its option, redeem
prior to February 15, 2001 up to one-third of the original aggregate principal
amount of the Notes at a redemption price equal to 109.875% of the principal
amount, with the net cash proceeds of one or more additional Public Equity
Offerings or Strategic Equity Investments resulting in aggregate gross proceeds
to the Company of at least $75.0 million; provided, however, that such
redemption may be effected only to the extent that not less than two-thirds of
the original aggregate principal amount of the Notes shall remain outstanding
after such redemption. See "Description of the Notes -- Optional Redemption."
 
    In the event of a Change of Control (as defined), each holder of Notes will
have the right to require the Company to purchase such holder's Notes, in whole
or in part, at a purchase price equal to 101% of the principal amount thereof,
plus accrued and unpaid interest to the repurchase date. In such event, the
Company would likely be required to refinance the indebtedness outstanding under
the Notes. There can be no assurance that the Company would be able to refinance
such indebtedness. See "Description of the Notes -- Change of Control."
 
    The Notes will be senior unsecured debt obligations of the Company. The
Notes will be effectively subordinated to all liabilities of the Company's
subsidiaries. The aggregate amount of outstanding obligations of the Company's
subsidiaries that would have ranked effectively senior to the Notes was
approximately $305.5 million as of September 30, 1997. See "Description of the
Notes -- Ranking." The Company is a holding company with limited assets of its
own, which conducts substantially all of its business through subsidiaries and
affiliates. The Company will be dependent upon access to the earnings, if any,
of its subsidiaries and affiliates, or assets of its subsidiaries to make any
payment on the Notes. See "Risk Factors -- Substantial Leverage," "Holding
Company Structure; Significant Limitations on Access to Subsidiaries' and Joint
Ventures' Cash Flow" and "-- Ability to Service Debt; Ability to Repurchase
Notes Upon a Change of Control."
 
      SEE "RISK FACTORS" BEGINNING ON PAGE 12 FOR INFORMATION THAT SHOULD BE
CONSIDERED BY PROSPECTIVE PURCHASERS OF THE NOTES OFFERED HEREBY.
 
  THESE SECURITIES HAVE NOT BEEN APPROVED OR DISAPPROVED BY THE SECURITIES AND
 EXCHANGE COMMISSION OR ANY STATE SECURITIES COMMISSION NOR HAS THE SECURITIES
  AND EXCHANGE COMMISSION OR ANY STATE COMMISSION PASSED UPON THE ACCURACY OR
 ADEQUACY OF THIS PROSPECTUS. ANY REPRESENTATION TO THE CONTRARY IS A CRIMINAL
                                    OFFENSE.
 
<TABLE>
<CAPTION>
- ----------------------------------------------------------------------------------------------------------------------
                                                    PRICE TO          UNDERWRITING DISCOUNTS      PROCEEDS TO THE
                                                 THE PUBLIC(1)          AND COMMISSIONS(2)           COMPANY(3)
- ----------------------------------------------------------------------------------------------------------------------
<S>                                         <C>                      <C>                      <C>
Per Note...................................          100.0%                    3.0%                    97.0%
Total......................................       $105,000,000              $3,150,000              $101,850,000
- ----------------------------------------------------------------------------------------------------------------------
</TABLE>
 
(1) Plus accrued interest, if any, from February 10, 1998 to the date of
    delivery.
 
(2) The Company has agreed to indemnify the Underwriters against certain
    liabilities, including liabilities under the Securities Act of 1933, as
    amended. See "Underwriting."
 
(3) Before deducting expenses payable by the Company estimated at $1,400,000.
 
    The Notes are being offered by the several Underwriters when, as and if
issued by the Company, delivered to and accepted by the Underwriters and subject
to their right to reject orders in whole or in part. It is expected that
delivery of the Notes in definitive fully registered form, will be made through
the facilities of The Depository Trust Company's Same-Day Funds Settlement
System on or about February 10, 1998.
 
                                Co-Lead Managers
 
DONALDSON, LUFKIN & JENRETTE                                 MERRILL LYNCH & CO.
         SECURITIES CORPORATION
 
                                   Co-Manager
 
                                 UBS SECURITIES
<PAGE>   2
 
           [MAP OF RUSSIA AND THE COMMONWEALTH OF INDEPENDENT STATES]
 
                                [MAP OF EUROPE]
 
THE UNDERWRITERS PARTICIPATING IN THIS NOTES OFFERING MAY ENGAGE IN TRANSACTIONS
THAT STABILIZE, MAINTAIN OR OTHERWISE AFFECT THE PRICE OF THE NOTES IN THE OPEN
MARKET. FOR A DESCRIPTION OF THESE ACTIVITIES, SEE "UNDERWRITING."
 
                                       ii
<PAGE>   3
 
                             AVAILABLE INFORMATION
 
     The Company has filed with the Securities and Exchange Commission (the
"Commission") in Washington, D.C. a Registration Statement on Form S-1 (as
amended, the "Registration Statement") of which this Prospectus is a part under
the Securities Act with respect to the Notes offered hereby. This Prospectus
does not contain all of the information set forth in the Registration Statement
and the exhibits and schedules thereto. Statements made in this Prospectus as to
the contents of any contract, agreement or other document are summaries of the
material terms of such contract, agreement or other document. With respect to
each such contract, agreement or other document filed as an exhibit to the
Registration Statement, reference is made to the exhibit. The Registration
Statement (including the exhibits and schedules thereto) may be inspected and
copied at the public reference facilities maintained by the Commission at Room
1024, Judiciary Plaza, 450 Fifth Street, NW, Washington, D.C. 20549 and will
also be available for inspection and copying at the regional offices of the
Commission located at Seven World Trade Center, 13th Floor, New York, New York
10048 and at Citicorp Center, 500 West Madison Street (Suite 1400), Chicago,
Illinois 60661. Copies of such material may also be obtained from the Public
Reference Section of the Commission at 450 Fifth Street, N.W., Washington, D.C.
20549 at prescribed rates. The Commission also maintains a Web site that
contains reports, proxy and information statements and other information
regarding registrants that file electronically with the Commission. The address
of such site is http://www.sec.gov.
 
     Upon completion of the Offerings, the Company will be subject to the
informational requirements of the Securities Exchange Act of 1934, as amended
(the "Exchange Act"), and, in accordance therewith, will file reports, proxy and
information statements and other information with the Commission. Such reports,
proxy and information statements and other information can be inspected and
copied at the addresses set forth above. The Company intends to furnish its
stockholders with annual reports containing consolidated financial statements
audited by its independent accountants and with quarterly reports containing
unaudited condensed consolidated financial statements for each of the first
three quarters of each fiscal year.
 
               SPECIAL NOTE REGARDING FORWARD-LOOKING STATEMENTS
 
     Any statements that express, or involve discussions as to, expectations,
beliefs, plans, objectives, assumptions or future events or performance (often,
but not always, through the use of words or phrases such as "will likely
result," "are expected to," "will continue," "is anticipated," "estimated,"
"intends," "plans," "projection" and "outlook") are not historical facts and may
be forward-looking and, accordingly, such statements involve estimates,
assumptions and uncertainties which could cause actual results to differ
materially from those expressed in the forward-looking statements. Accordingly,
any such statements are qualified in their entirety by reference to, and are
accompanied by, the factors discussed throughout this Prospectus, and
particularly in the risk factors set forth herein under "Risk Factors." Among
the key factors that have a direct bearing on the Company's results of
operations are the potential risk of delay in implementing the Company's
business plan; the political, economic and legal aspects of the markets in which
the Company operates; competition and the Company's need for additional
substantial financing. These and other factors are discussed herein under "Risk
Factors," "Management's Discussion and Analysis of Financial Condition and
Results of Operations," "Business" and elsewhere in this Prospectus.
 
     The risk factors described herein could cause actual results or outcomes to
differ materially from those expressed in any forward-looking statements of the
Company made by or on behalf of the Company, and investors, therefore, should
not place undue reliance on any such forward-looking statements. Further, any
forward-looking statement speaks only as of the date on which such statement is
made, and the Company undertakes no obligation to update any forward-looking
statement or statements to reflect events or circumstances after the date on
which such statement is made or to reflect the occurrence of unanticipated
events. New factors emerge from time to time, and it is not possible for
management to predict all of such factors. Further, management cannot assess the
impact of each such factor on the Company's business or the extent to which any
factor, or combination of factors, may cause actual results to differ materially
from those contained in any forward-looking statements.
 
                             ---------------------
 
     Russia On Line(TM) is a trademark of the Company.
 
                                       iii
<PAGE>   4
 
                               PROSPECTUS SUMMARY
 
     The following summary is qualified in its entirety by the more detailed
information and financial statements appearing elsewhere in this Prospectus
(this "Prospectus"). Unless otherwise indicated, (i) the term "GTS" or the
"Company" refers to Global TeleSystems Group, Inc. (and, when appropriate, to
its predecessor) and its subsidiaries, (ii) references to the number of shares
of common stock outstanding after the Stock Offerings assume the Underwriters'
over-allotment option has not been exercised and (iii) the information in this
Prospectus gives effect to a 3-for-2 stock split of the Common Stock effected on
December 1, 1997. See "Exhibit A -- Glossary of Telecommunications Industry
Terms" for definitions of acronyms and technical telecommunications terms used
in this Prospectus.
 
                                  THE COMPANY
 
     GTS is a provider of a broad range of telecommunications services to
businesses, other telecommunications service providers and consumers in Russia,
the Commonwealth of Independent States ("CIS") and Central Europe. Through its
subsidiary Hermes Europe Railtel B.V. ("HER"), GTS is developing, and operating
the initial segments of, a pan-European high capacity fiber optic network that
is designed to interconnect a majority of the largest Western and Central
European cities and to transport international voice, data and multimedia/image
traffic for other carriers throughout Western and Central Europe. GTS's strategy
to develop its businesses generally has been to establish joint ventures with a
strong local partner or partners while maintaining a significant degree of
operational control. The Company's business activities consist of the ownership
and operation of (i) international long distance businesses, which operate
through international gateways that provide international switching services and
transmission capacity, (ii) local access networks, which provide local telephone
service, (iii) cellular networks, which provide wireless telecommunications
services, (iv) a domestic long distance business, (v) data networks and (vi)
carriers' carrier networks, which provide high volume transmission capacity to
other carriers.
 
     In Russia and the CIS, GTS's objective is to become the premier alternative
telecommunications operator. To attain its objective, the Company has partnered
with regional telephone companies and with Rostelecom, the national long
distance carrier in Russia. The Company currently operates in 24 oblasts
(regions) and the city of Moscow in Russia, as well as in 11 additional cities
in the CIS, and believes it is well-positioned to become the leading independent
telecommunications service provider in Russia. These businesses include: (i) EDN
Sovintel ("Sovintel"), which provides Moscow, and recently St. Petersburg, with
international long distance and local telephone services and access to the major
domestic long distance carriers; (ii) TeleCommunications of Moscow ("TCM"),
which provides local access services in Moscow; (iii) TeleRoss (as defined
herein), which provides domestic long distance services in fourteen cities in
Russia, including Moscow, as well as Very Small Aperture Terminal ("VSAT")
service to customers outside its primary long distance satellite network; (iv)
Sovam Teleport ("Sovam"), which provides data services, including high-speed
data transmission, electronic mail, Internet access services, as well as Russia
On Line, the first Russian language Internet service; and (v) the Company's
cellular operations ("GTS Cellular"), which operate cellular networks in twelve
regions in Russia and also in Kiev, Ukraine, with licenses covering regions with
an aggregate population of approximately 25 million people at the end of 1995.
Whenever practical, GTS's businesses integrate and co-market their service
offerings in Russia and the CIS, utilizing TeleRoss as the domestic long
distance provider, Sovintel as the international gateway, TCM and GTS Cellular
for local access, and Sovam as the data communications and Internet access
network for business applications and on-line services. Together, GTS's Russian
and CIS ventures carried 202.5 million and 292.0 million minutes of traffic for
the year ended December 31, 1996 and the nine months ended September 30, 1997,
respectively, and had approximately 24,600 customers, including approximately
16,300 cellular subscribers, as of September 30, 1997. See "Business -- Russia
and the CIS."
 
     In Western Europe, GTS seeks to position itself as the leading independent
carriers' carrier through the development of two ventures, HER and GTS-Monaco
Access S.A.M. ("GTS-Monaco Access"). HER's objective is to become the leading
pan-European carriers' carrier by providing centrally managed cross-border
telecommunications transmission capacity to telecommunications companies
including traditional Public
 
                                        1
<PAGE>   5
 
Telecommunications Operators ("PTOs") and new entrants, such as alternative
carriers, global consortia of telecommunications operators, international
carriers, Internet backbone networks, resellers, value-added networks and other
service providers ("New Entrants") on an approximately 18,000 kilometer high
capacity fiber optic network designed to interconnect a majority of the largest
Western and Central European cities. HER is currently operating over an
approximately 1,700-kilometer portion of the network linking Brussels, Antwerp,
Rotterdam, Amsterdam, London and Paris. HER expects to roll out full
telecommunications transport service over approximately 2,900 kilometers of
fiber optic cable linking the cities of London, Rotterdam, Amsterdam, Antwerp,
Brussels, Paris, Dusseldorf and Frankfurt (the "initial five country network")
in the second quarter of 1998. The full 18,000 kilometer network is expected to
become fully operational during the year 2000. HER also plans to lease capacity
on a transatlantic cable linking the European network to North America and is
exploring various interconnectivity options to Russia and Asia. Such
intercontinental interconnectivity will help HER satisfy the needs of its
European customers with respect to outgoing traffic and attract additional
non-European customers with traffic terminating in Europe. HER commenced
commercial service over the Brussels-Amsterdam portion of the network in late
1996 and the London-Paris portion in November 1997. GTS-Monaco Access operates
an international gateway in Monaco in partnership with, and utilizing the
existing gateway infrastructure of, the Principality of Monaco and provides
transit and routing of international calls to other telecommunications
operators. Through its HER and GTS-Monaco Access ventures, GTS is building a new
network for transporting voice, data and multimedia/image traffic for other
carriers throughout Western and Central Europe and for worldwide international
voice, data and multimedia/image traffic that either originates or terminates
in, or transits through, Western and Central Europe. See "Business -- Western
Europe."
 
     In Central Europe, GTS's objective is to become one of the leading
alternative telecommunications providers in the region. GTS currently provides
private data communications services to government and commercial customers in
Hungary and the Czech Republic. In the Czech Republic, the Company provides
outgoing voice services and operates an international gateway and a data
services network. In Hungary, GTS operates a VSAT network, which GTS believes is
the largest VSAT network in Central Europe as measured by number of VSAT sites.
The Company has also signed an agreement to provide international data services
in Poland, subject to the receipt of necessary governmental approvals. GTS's
strategy is to expand its service offerings as the regulatory environment
permits, leverage its existing VSAT and international gateway infrastructure
where possible and provide a broad range of services to its target markets.
 
     Although GTS does not currently own or operate significant
telecommunication assets in Asia, GTS's objective is to become an established
and diversified telecommunications provider in China and India. GTS seeks to
leverage its position in these countries to capitalize on opportunities as they
arise.
 
                                        2
<PAGE>   6
 
     The following table sets forth certain information for the principal
ventures through which the Company conducts its business:
 
<TABLE>
<CAPTION>
                                     COUNTRY/REGION       GTS                                  PRINCIPAL
           COMPANY NAME              OF OPERATIONS     OWNERSHIP          PARTNER(S)            BUSINESS
           ------------              --------------   ------------    -------------------  ------------------
<S>                                  <C>              <C>             <C>                  <C>
CIS
  Sovintel.........................  Russia                 50%       Rostelecom           International Long
                                                                                             Distance; Local
                                                                                             Access
  TCM..............................  Russia                 50%(1)    MTU Inform and       Local Access Lines
                                                                        others
  TeleRoss.........................  Russia                 50%(2)    Various local PTOs   Domestic Long
                                                                                             Distance
  Sovam............................  Russia                 67%(3)    Institute for        Data and Internet
                                                                        Automated Systems
  GTS Cellular.....................  CIS                 25-70%(4)    Primarily various    Basic Cellular
                                                                        local PTOs
WESTERN EUROPE
  HER..............................  Western Europe         79%(5)    Various              Carriers' Carrier
  GTS-Monaco Access................  Monaco                 50%       Principality of      Carriers' Carrier;
                                                                        Monaco               International
                                                                                             Gateway
CENTRAL EUROPE
  GTS-Hungary......................  Hungary                99%       --                   VSAT Network
  EuroHivo.........................  Hungary                70%       Microsystems         Paging Services
                                                                        Telecom Rt.;
                                                                      Gerard Aircraft
                                                                        Sales and Leasing
                                                                        Company
  CzechNet.........................  Czech Republic        100%       --                   International Long
                                                                                             Distance
  CzechCom.........................  Czech Republic        100%       --                   Data and Internet
ASIA
  V-Tech...........................  China                  75%       Shanghai Science     VSAT Network
                                                                        and Technology
                                                                        Investment
                                                                        Corporation
  Beijing Tianmu...................  China                  47%       China International  VSAT Network
                                                                        Travel Service
                                                                      Telecom Co.,
                                                                        Ltd.(6)
  CDI..............................  India                 100%       --                   Voice, Data and
                                                                                             Internet
</TABLE>
 
- ---------------
 
(1) GTS holds a 50% indirect interest in TCM through its 52.6% interest in
    GTS-Vox Limited, an intermediate holding company.
 
(2) TeleRoss consists of (i) two wholly owned holding companies and a 99% owned
    subsidiary that operates a domestic long distance network (collectively,
    "TeleRoss Operating Company") and (ii) thirteen joint ventures that are 50%
    beneficially-owned by GTS (the "TeleRoss Ventures"). See "Business -- Russia
    and the CIS -- TeleRoss."
 
(3) GTS has reached an agreement in principle to purchase its minority partner's
    33% interest in Sovam and expects to consummate the transaction in February
    1998, thereby making Sovam a wholly owned subsidiary of GTS.
 
(4) GTS conducts its cellular operations through (i) Vostok Mobile B.V. ("Vostok
    Mobile"), a wholly owned GTS subsidiary, which owns between 50% and 70% of a
    series of 11 cellular joint ventures in various regions in Russia, (ii)
    PrimTelefone, a 50% owned venture in Vladivostok and four other cities in
    the Primorsky region of Russia and (iii) Bancomsvyaz, an approximately 25%
    beneficially-owned venture in Kiev, Ukraine. GTS intends to enter into the
    cellular markets of additional Russian regions through Vostok Mobile. See
    "Business -- Russia and the CIS -- GTS Cellular."
 
(5) GTS currently owns approximately 79% of HER. The Company's interest is
    expected to decrease due to stock options for common shares in HER issued to
    certain HER executives under the new HER stock option plan established in
    the fourth quarter of 1997. See "Executive Compensation and Other
    Information -- HER 1994 Stock Option Plan" and Note 6 -- Stock Option
    Plan -- HER audited consolidated financial statements.
 
(6) GTS owns 75% of GTS China Investments LLC ("GCI"), which owns 90% of
    American China Investment Corporation ("ACIC"). ACIC owns 70% of the Beijing
    Tianmu China joint venture company.
 
                                        3
<PAGE>   7
 
                               BUSINESS STRATEGY
 
     GTS seeks to develop businesses to meet the rapidly expanding market demand
for telecommunications services. GTS's goal in emerging markets is to establish
itself as the leading alternative to the incumbent telecommunications service
providers and as a premier provider of value-added services. In addition, the
Company seeks to position itself as the leading independent carriers' carrier
within Western and Central Europe through the development of a pan-European
fiber optic network and an international gateway in Monaco.
 
     GTS believes that it will be able to successfully operate its businesses
and develop business opportunities by pursuing the following strategies:
 
     - Identify and Seize Early Market Opportunities. GTS's primary strategy is
       to identify less developed markets in which the incumbent operator offers
       inadequate service and where liberalization of telecommunications
       regulations may be pending. The Company believes that entering these less
       developed markets quickly is a key competitive advantage in the global
       telecommunications market. GTS leverages its management's knowledge of
       the markets in which the Company operates to assess and react quickly
       when attractive business opportunities arise.
 
     - Establish Joint Ventures with Experienced Local Partners. GTS seeks to
       establish and maintain strategic partnerships and relationships with key
       telecommunications operators and service providers in the countries in
       which it operates. The Company believes that these relationships increase
       its ability to anticipate and respond to changes in the regulatory and
       legal environment and assist with license renewal and expansion of its
       operating companies.
 
     - Retain Significant Operational Control. In general, GTS actively
       participates in the management of its ventures by (i) providing most of
       the funding for the ventures' operations, (ii) selecting key members of
       the local management team, (iii) developing business plans and marketing
       strategies together with local management, (iv) monitoring operating
       functions, (v) maintaining close working relationships with local
       partners and (vi) integrating its networks and businesses in a manner
       which is consistent with the Company's overall strategic objectives.
 
     - Build Infrastructure to Provide High Quality Services. GTS continues to
       develop and expand its network infrastructure. The Company believes that
       its networks offer service, quality and cost advantages over incumbent
       providers as a result of the Company's customer support, network
       monitoring, management systems and its ability to integrate and co-market
       its service offerings.
 
     - Leverage Management Depth and Experience. GTS's management has
       significant experience in the development and operation of
       telecommunications businesses outside the United States. The Company
       believes that this experience, together with the Company's extensive
       operations, has provided its management with the ability to identify,
       evaluate and pursue international telecommunications business
       opportunities. Additionally, GTS has assembled a management team
       comprised of executives with extensive experience managing
       telecommunications companies in the respective local markets. GTS
       believes that its management team possesses a broad knowledge of relevant
       political and regulatory structures, as well as the cultural awareness
       and fluency with international and local business practices necessary to
       implement the Company's objectives.
 
     - Ability to Access Capital. In general, the Company's financing strategy
       is to establish parent level funding to meet general corporate needs and
       the costs of start-ups and acquisitions and, when it is possible and
       cost-effective, to finance ongoing operations at the venture level. Since
       1993, the Company has raised approximately $268 million in equity and
       approximately $215 million of debt (of which approximately $74 million
       was raised through shareholders). In addition, HER completed a $265
       million private placement of senior notes (of which $56.6 million was
       placed into escrow for the first two years' interest payments) in 1997.
       The Company's principal investors include affiliates of George Soros and
       Alan B. Slifka and certain of his affiliates.
 
                                        4
<PAGE>   8
 
     In addition to its overall business strategy, GTS has developed specific
market strategies to achieve its goals in emerging markets and Western Europe.
 
     Emerging Markets. The Company pursues its goals in emerging markets through
a three-stage approach of market entry, market expansion and market integration.
 
     - Market Entry. GTS identifies a market as a suitable target for entry
       based upon: (i) superior growth prospects for such market, demonstrated
       by growing demand for high quality telecommunications services; (ii) the
       provision of inadequate services by incumbent providers, typically
       resulting from the incumbents' unwillingness to offer high quality
       services with reliable customer support at attractive prices; and (iii)
       attractive regulatory environments in which emerging alternative
       telecommunications providers such as GTS have, or expect to have over a
       clearly defined time horizon, the ability to compete on a substantially
       equal basis with the incumbent providers in terms of certain services and
       the cost of providing those services. Once GTS has identified a market as
       suitable for entry, the Company seeks to establish its presence in that
       market by establishing a venture with a strong local partner or partners.
       In general, GTS maintains a significant degree of operational control in
       such ventures. Through such ventures, the Company benefits from its
       partners' ability to provide infrastructure, regulatory expertise and
       personnel that will provide GTS with a competitive advantage in entering
       that market. When entering a new market, GTS's strategy is to provide its
       customers with higher quality service as compared to the services offered
       by incumbent providers.
 
     - Market Expansion. Having entered a market successfully and established a
       limited service offering to its targeted customer base, GTS then seeks to
       expand the range of services it offers to existing and potential
       customers and to further develop its relationships with local partners.
       By broadening its service offerings, GTS anticipates achieving increased
       economies of scale through the common use of administrative and operating
       functions already in place, increasing the Company's share of its
       customers' telecommunications spending and expanding GTS's base of
       potential customers through the provision of a bundled service offering.
       The Company also seeks to expand its targeted geographic market by
       forming new partnerships, installing infrastructure and offering services
       in additional geographic regions, allowing the Company to further enhance
       its operating leverage and ability to service its customers'
       telecommunications needs.
 
     - Market Integration. GTS ultimately intends to integrate and co-market its
       service offerings in each of the markets in which it operates. The
       Company believes such integration enables it to enhance its operating
       efficiency by leveraging its distribution channels, infrastructure and
       networks, and management information systems. As customers develop a need
       for a broader variety of telecommunications services, the Company
       believes GTS's integrated operations will represent an attractive service
       alternative for customers seeking a single provider with the ability to
       meet all their telecommunications needs.
 
     Western Europe. The Company seeks to position itself as the leading
independent carriers' carrier within Western Europe through the development of
HER's pan-European fiber optic network and the operation of GTS-Monaco Access's
international gateway in partnership with, and utilizing the gateway
infrastructure of, the Principality of Monaco. The overall strategy of GTS in
Western Europe is to complement and enhance the services provided by PTOs and
New Entrants in a way that helps them to more successfully meet the needs of
their end-user customers. HER seeks to enter the market ahead of competition and
encourage a wide variety of carriers to use its network with service offerings
that meet their needs. To establish itself as the leading carriers' carrier for
international telecommunications within Europe, HER intends to provide its
customers with significantly higher quality transmission and advanced network
capabilities at a competitive price by utilizing advanced, uniform technology
across the region and providing redundant routing for higher levels of
reliability.
                                        5
<PAGE>   9
 
                                 FINANCING PLAN
 
     In general, the Company's strategy is to finance general corporate cash
needs, the development of start-up ventures and acquisitions through the parent
company and, when possible and cost effective, to finance ongoing operations at
the venture level. Since 1993, the Company has raised approximately $268 million
in equity and approximately $215 million of debt (of which approximately $74
million was raised through shareholders). In addition, HER completed a $265
million private placement of senior notes (of which $56.6 million was placed
into escrow for the first two years' interest payments) in 1997.
 
     Concurrently with the Notes Offering, the Company is undertaking the Stock
Offerings, which offerings will be made by separate prospectuses. The
consummation of both the Note Offering and the Stock Offerings are conditioned
upon the consummation of the other.
 
     The Company believes that the net proceeds from the Offerings, together
with existing cash, will be sufficient to fund its expected capital needs until
at least June 1999. GTS expects that it may require additional capital to
execute its current business plan and to fund expected operating losses, as well
as to consummate future acquisitions and exploit opportunities to expand and
develop its businesses. Management expects that GTS and its ventures will incur
over $515 million of capital expenditures during the next three years, of which
approximately $235 million will be incurred in 1998. Of these amounts,
approximately $290 million will be used to fund construction of the HER network,
with approximately $35 million required for the roll out of the initial five
country network that is expected to be completed in the second quarter of 1998.
The Company also will need to fund operating losses of its ventures for at least
the next 12 months. In addition, as part of its business strategy, the Company
regularly evaluates potential acquisitions and joint ventures. The Company has
no definitive agreement with respect to any acquisition or joint venture,
although from time to time it has discussions with other companies and assesses
opportunities on an on-going basis. The Company may fund these acquisitions or
joint ventures with a portion of the net proceeds from the Offerings. See "Risk
Factors -- Additional Capital Requirements" and "Management's Discussion and
Analysis of Financial Condition and Results of Operations -- Liquidity and
Capital Resources."
 
     As of December 31, 1997, after giving effect to the Stock Offerings,
certain affiliates of George Soros, Alan B. Slifka and certain affiliates, and
certain affiliates of Capital Research International beneficially owned
approximately 20.4%, 11.2% and 10.3% of the Common Stock (including rights to
acquire Common Stock), respectively. See "Principal Stockholders."
 
                             *          *          *
 
     The Company was founded in 1983 as a not-for-profit company under the name
San Francisco/Moscow Teleport, Inc. The Company was incorporated as a California
for-profit corporation on September 25, 1986, and by way of a reincorporation
merger, merged with and into SFMT, Inc., a Delaware corporation formed for that
purpose on September 13, 1993. The Company was renamed Global TeleSystems Group,
Inc., on February 22, 1995. The Company's principal business office is located
at 1751 Pinnacle Drive, North Tower-12th Floor, McLean, Virginia 22102, United
States, and its telephone number is (703) 918-4500.
 
                                        6
<PAGE>   10
 
                               THE NOTES OFFERING
 
Notes Offered.......................     $105.0 million principal amount of
                                         9 7/8% Senior Notes due 2005.
 
Maturity Date.......................     February 15, 2005 (the "Maturity
                                         Date").
 
Interest Payment Dates..............     February 15 and August 15, commencing
                                         August 15, 1998.
 
Escrow Account......................     The Company will place approximately
                                         $19.6 million of the net proceeds of
                                         the Notes Offering, representing funds
                                         that together with the proceeds from
                                         the investment thereof will be
                                         sufficient to pay the first four
                                         scheduled interest payments (but not
                                         additional interest) on the Notes, into
                                         an escrow account (the "Escrow
                                         Account") to be held by the Trustee (as
                                         defined) for the benefit of the holders
                                         of the Notes. The Company will grant to
                                         the Trustee for the benefit of the
                                         holders of the Notes, a first priority
                                         and exclusive security interest in the
                                         Escrow Account and the proceeds
                                         thereof. Funds will be disbursed from
                                         the Escrow Account for interest
                                         payments (but not additional interest)
                                         on the Notes. Upon acceleration of the
                                         maturity of the Notes, the Escrow
                                         Agreement will provide for the payment
                                         of the amount remaining in the Escrow
                                         Account to the Trustee to be applied on
                                         account of amounts owing on the Notes
                                         as provided in the Indenture. Pending
                                         such disbursement, all funds contained
                                         in the Escrow Account will be invested
                                         in Cash Equivalents (as defined). See
                                         "Description of the Notes -- Escrow
                                         Account."
 
Optional Redemption.................     Except as set forth below, the Notes
                                         are not redeemable prior to February
                                         15, 2002. The Notes will be redeemable,
                                         at the Company's option, in whole or in
                                         part, at any time or from time to time
                                         on or after February 15, 2002 upon not
                                         less than 30 nor more than 60 days'
                                         prior notice mailed by first class mail
                                         to each Holder's registered address, at
                                         the redemption prices (expressed as a
                                         percentage of principal amount) set
                                         forth below, plus accrued and unpaid
                                         interest thereon, if any, to the date
                                         of redemption, if redeemed during the
                                         12-month period beginning on February
                                         15 of the years indicated below:
 
<TABLE>
<CAPTION>
                                                                      YEAR                 REDEMPTION PRICE
                                                                      ----                 ----------------
<S>                                                    <C>                                 <C>
                                                       2002..............................      104.938%
                                                       2003..............................      102.469%
                                                       2004 and thereafter...............      100.000%
</TABLE>
 
                                         In addition, at any time or from time
                                         to time prior to February 15, 2001,
                                         upon not less than 30 nor more than 60
                                         days' prior notice mailed by first
                                         class mail to each Holder's registered
                                         address, the Company may redeem
 
                                        7
<PAGE>   11
 
                                         up to one-third of the original
                                         aggregate principal amount of the Notes
                                         at a redemption price equal to 109.875
                                         % of the principal amount of the Notes,
                                         plus accrued and unpaid interest
                                         thereon, if any, to the date of
                                         redemption with the net cash proceeds
                                         of one or more additional Public Equity
                                         Offerings or Strategic Equity
                                         Investments resulting in aggregate
                                         gross proceeds to the Company of at
                                         least $75.0 million; provided, however,
                                         that at least two-thirds of the
                                         original aggregate principal amount of
                                         Notes remains outstanding immediately
                                         after giving effect to any such
                                         redemption (excluding any Notes owned
                                         by the Company or any of its
                                         Affiliates). Notice of any such
                                         redemption must be given within 60 days
                                         after the date of a Public Equity
                                         Offering or Strategic Equity Investment
                                         resulting in gross cash proceeds to the
                                         Company, when aggregated with all prior
                                         Public Equity Offerings or Strategic
                                         Equity Investments, of at least $75.0
                                         million.
 
Change of Control...................     Upon the occurrence of a Change of
                                         Control, each holder of the Notes may
                                         require the Company to repurchase such
                                         holder's Notes, in whole or in part, at
                                         a purchase price in cash equal to 101%
                                         of their principal amount plus accrued
                                         and unpaid interest, if any, to the
                                         repurchase date. The failure of the
                                         Company to repurchase Notes of any
                                         holder exercising such right will
                                         constitute an Event of Default. See
                                         "Description of the Notes -- Change of
                                         Control."
 
Ranking.............................     The Notes will constitute senior
                                         unsecured debt obligations of the
                                         Company. The Company is a holding
                                         company which conducts its operations
                                         entirely through its subsidiaries and
                                         affiliates. The Notes will be
                                         effectively subordinated to all
                                         liabilities of the Company's
                                         subsidiaries. The Indenture dated as of
                                         February 10, 1998 between the Company
                                         and The Bank of New York, as trustee
                                         (the "Trustee"), under which the Notes
                                         will be issued will permit the
                                         incurrence or issuance by Restricted
                                         Group Members (as defined) of the
                                         Company of substantial additional
                                         indebtedness, subject to certain
                                         limitations. The aggregate amount of
                                         outstanding obligations of the
                                         Company's subsidiaries that would have
                                         ranked effectively senior to the Notes
                                         was approximately $305.5 million as of
                                         September 30, 1997. See "Description of
                                         the Notes -- Ranking."
 
Certain Covenants...................     The Indenture contains covenants that,
                                         among other restrictions, limit the
                                         ability of the Company and the
                                         Restricted Group Members to incur
                                         additional indebtedness, pay dividends
                                         or make distributions in respect of
                                         capital stock of the Company or make
                                         certain other restricted payments, make
                                         certain investments, engage in
                                         transactions with affiliates and, in
                                         the case of the Company, engage in
                                         certain mergers and consolidations
 
                                        8
<PAGE>   12
 
                                         and asset dispositions. These covenants
                                         are subject to a number of significant
                                         exceptions and qualifications. See
                                         "Description of the Notes -- Certain
                                         Covenants."
 
Settlement..........................     The Notes will trade in The Depository
                                         Trust Company's ("DTC") Same-Day Funds
                                         Settlement.
 
                                USE OF PROCEEDS
 
     The Company primarily intends to use the net proceeds from the Offerings to
provide working capital for existing telecommunications ventures, particularly
in Russia and the CIS, to expand the Company's operations, and for general
corporate purposes. The Company also intends to use a portion of the net
proceeds to repay the Chatterjee Notes (as defined herein) and the Capital
Research Notes (as defined herein) in an aggregate principal amount of $70
million (plus accrued interest), which bear interest at 10% per annum and mature
on January 19, 2001 and February 2, 2001, respectively. Also, a portion of the
net proceeds may be used by the Company in connection with one or more
acquisitions. In addition, approximately $19.6 million of the net proceeds from
the Notes Offering will be placed in the Escrow Account and will be used to pay
the first two years of interest on the Notes. See "Use of Proceeds."
 
                                  RISK FACTORS
 
     Prospective investors should consider carefully the factors discussed in
detail elsewhere in this Prospectus under the caption "Risk Factors."
 
                                        9
<PAGE>   13
 
                 SUMMARY HISTORICAL CONSOLIDATED FINANCIAL DATA
 
     The following summary historical consolidated financial data as of December
31, 1996 and September 30, 1997 and for the years ended December 31, 1994, 1995
and 1996 and for the nine months ended September 30, 1997 are derived from the
Company's audited Consolidated Financial Statements. The following unaudited
summary historical consolidated financial data for the nine months ended
September 30, 1996 are derived from the Company's unaudited Consolidated
Financial Statements. The summary historical consolidated financial data
presented below should be read in conjunction with "Management's Discussion and
Analysis of Financial Condition and Results of Operations," and the audited
Consolidated Financial Statements and related notes thereto appearing elsewhere
in this Prospectus.
 
     Under generally accepted accounting principles, a majority of the Company's
ventures are accounted for by the equity method of accounting. Under this
method, the operating results of the ventures are included in the Company's
Consolidated Statement of Operations as a single line item, "Equity in losses of
ventures." The Company recognizes 100% of the losses in ventures where the
Company bears all of the financial risk (which includes all of the Company's
significant ventures except for Sovintel and, historically, HER). Also, the
assets, liabilities and equity of the ventures are included in the Company's
Consolidated Balance Sheets as a single line item, "Investments in and advances
to ventures." See Note 2 to the Company's audited Consolidated Financial
Statements and "Management's Discussion and Analysis of Financial Condition and
Results of Operations -- Overview." Financial information about the Company's
equity ventures is included below under "Supplemental Information -- Summary
Historical Financial Data -- Equity Investments."
 
<TABLE>
<CAPTION>
                                                                                NINE MONTHS ENDED
                                               YEAR ENDED DECEMBER 31,            SEPTEMBER 30,
                                            ------------------------------    ----------------------
                                              1994       1995       1996        1996        1997(1)
                                            --------   --------   --------    --------      --------
                                                     (IN THOUSANDS, EXCEPT PER SHARE DATA)
<S>                                         <C>        <C>        <C>         <C>           <C>
STATEMENT OF OPERATIONS DATA:
  Revenues, net...........................  $  2,468   $  8,412   $ 24,117    $ 14,639      $ 30,216
  Gross margin............................        23         16      5,176       1,758         1,864
  Operating expenses......................    12,863     41,014     52,928      35,725        52,059
  Equity in losses of ventures............      (135)    (7,871)   (10,150)     (6,999)      (18,234)
  Other income (expense)..................       990     11,034     (8,729)     (6,535)      (16,902)
  Net loss................................   (11,985)   (40,400)   (67,991)    (48,473)      (87,872)
  Loss per share..........................     (0.69)     (1.61)     (2.22)      (1.69)        (2.37)
  Deficiencies of earnings available to
     cover fixed charges(2)...............   (11,985)   (37,835)   (66,631)    (47,496)      (86,034)
</TABLE>
 
<TABLE>
<CAPTION>
                                                              DECEMBER 31,   SEPTEMBER 30,
                                                                  1996          1997(1)
                                                              ------------   -------------
                                                                     (IN THOUSANDS)
<S>                                                           <C>            <C>
BALANCE SHEET DATA:
  Cash and cash equivalents.................................    $ 57,874       $366,841
  Property and equipment, net...............................      35,463         69,051
  Investments in and advances to ventures...................     104,459         84,068
  Total assets..............................................     237,378        647,788
  Total debt................................................      85,547        502,482
  Minority interest and stock subject to repurchase.........       6,248         32,764
  Shareholders' equity......................................     113,668         57,403
</TABLE>
 
- ---------------
 
(1) As a result of the Company's increase in ownership interest and amendment to
    the HER Shareholders Agreement that was completed on July 16, 1997, the
    Company accounts for its ownership interest in HER under the consolidation
    method of accounting. Prior to this date, the Company accounted for HER
    using the equity method of accounting.
 
(2) Because of the Company's historic losses, the Company has experienced a
    deficiency of earnings available to cover fixed charges throughout its
    existence. The deficiency of earnings available to cover fixed charges has
    been computed by adding loss from continuing operations before income taxes
    minus fixed charges. Fixed charges consist of interest on all indebtedness
    and amortization of discount on all indebtedness.
                                       10
<PAGE>   14
 
                 SUPPLEMENTAL INFORMATION -- SUMMARY HISTORICAL
                 FINANCIAL DATA -- COMBINED EQUITY INVESTMENTS
 
     The following unaudited summary historical financial data -- equity
investments for the years ended December 31, 1995 and 1996 and for the nine
months ended September 30, 1996 and 1997, are derived from the Company's
financial records. It is intended to supplement the aforementioned summary
historical consolidated financial data, which were derived from the Company's
audited Consolidated Financial Statements.
 
     The Company believes that this information provides additional insight on
the Company's unconsolidated equity method investments. Generally accepted
accounting principles prescribe inclusion of revenues and expenses for
consolidated interests (generally interests of more than 50%, absent some other
factors), but not for equity interests (generally interests of 20% to 50%) or
cost interests (generally interests of less than 20%). Equity accounting
ordinarily results in the same net income as consolidation; however, the net
operating results are reflected on one line within the income statement. More
detailed financial information about the Company's equity investments is
included under "Supplemental Information -- Selected Historical Financial
Data -- Combined Equity Investments."
 
<TABLE>
<CAPTION>
                                                                                NINE MONTHS ENDED
                                                    YEAR ENDED DECEMBER 31,       SEPTEMBER 30,
                                                    -----------------------    -------------------
                                                      1995          1996        1996        1997
                                                    ---------    ----------    -------    --------
                                                                    (IN THOUSANDS)
<S>                                                 <C>          <C>           <C>        <C>
STATEMENT OF OPERATIONS DATA:
  Revenues, net...................................    $54,051      $143,472    $93,270    $159,006
  Cost of revenues................................     33,011        80,426     50,854      87,694
  Operating expenses..............................     22,958        55,018     34,174      60,477
  Net loss........................................     (6,380)       (5,220)    (6,150)     (3,680)
  Income (loss) recognized by GTS.................     (7,871)      (10,150)    (6,999)    (18,234)
ADJUSTMENTS FOR INTER-AFFILIATE TRANSACTIONS(1):
  Revenues, net...................................     (2,270)      (15,385)    (9,675)    (17,049)
  Cost of revenues................................     (2,215)      (13,562)    (7,596)    (15,853)
  Operating expenses..............................     (6,967)       (8,083)    (7,134)    (11,105)
</TABLE>
 
- ---------------
 
     (1)  The adjustment amounts represent the effect of inter-affiliate
          transactions between the Company's consolidated and equity method
          ventures. More detailed information about inter-affiliate transactions
          is included under "Management's Discussion and Analysis of Financial
          Condition and Results of Operations -- Accounting Methodology."
 
                                       11
<PAGE>   15
 
                                  RISK FACTORS
 
ADDITIONAL CAPITAL REQUIREMENTS
 
     GTS expects that it may require additional capital to execute its current
business plan and to fund expected operating losses, as well as to consummate
future acquisitions and exploit opportunities to expand and develop its
businesses. Management expects that GTS and its ventures will incur over $515
million of capital expenditures during the next three years, of which
approximately $235 million will be incurred in 1998. Of these amounts,
approximately $290 million will be used to fund construction of the HER network,
with approximately $35 million required for the roll out of the initial five
country network that is expected to be completed in the second quarter of 1998.
The Company also will need to fund operating losses of its ventures for at least
the next 12 months. In addition, as part of its business strategy, the Company
regularly evaluates potential acquisitions and joint ventures. The Company has
no definitive agreement with respect to any material acquisition or joint
venture, although from time to time it has discussions with other companies and
assesses opportunities on an on-going basis. The Company may fund such
acquisitions or joint ventures with a portion of the net proceeds from the
Offerings.
 
     The Company believes that the net proceeds from the Offerings, together
with existing cash, will be sufficient to fund its expected capital needs until
at least June 1999. The actual amount and timing of the Company's future capital
requirements, however, may differ materially from management's estimates. In
particular, the accuracy of management's estimates are subject to changes and
fluctuations in the Company's revenues, operating costs and development
expenses, which can be affected by the Company's ability to (i) effectively and
efficiently manage the expansion of the HER network and operations, (ii) obtain
infrastructure contracts, rights-of-way, licenses and other regulatory approvals
necessary to complete and operate the HER network, (iii) negotiate favorable
contracts with suppliers, including large volume discounts on purchases of
capital equipment and (iv) access markets, attract sufficient numbers of
customers and provide and develop services for which customers will subscribe.
The Company's revenues and costs are also dependent upon factors that are not
within the Company's control such as regulatory changes, changes in technology,
increased competition and various factors such as strikes, weather, and
performance by third-parties in connection with the Company's operations. Due to
the uncertainty of these factors, actual revenues and costs may vary from
expected amounts, possibly to a material degree, and such variations are likely
to affect the Company's future capital requirements. Historically, GTS has
experienced liquidity problems resulting in part from the Company's need to meet
the capital requirements of certain of its joint ventures in excess of forecast
amounts. In addition, certain of the Company's joint ventures have not met
management's financial performance expectations or have not been able to secure
local country financing and thus have not been able to generate the expected
cash inflows. In addition, if the Company expands its operations at an
accelerated rate or consummates acquisitions, the Company's funding needs will
increase, possibly to a significant degree, and it will expend its capital
resources sooner than currently expected. The Company may also be required to
repay its Convertible Bonds upon maturity in the year 2000 to the extent such
bonds are not converted into Common Stock. As a result of the foregoing, or if
the Company's capital resources otherwise prove to be insufficient, the Company
may need to raise additional capital. See "-- Government Regulation,"
"-- Competition," "-- Technology," "-- HER Network Roll-out," "Management's
Discussion and Analysis of Financial Condition and Results of Operations," and
"Use of Proceeds."
 
     If the Company decides to raise additional funds through the incurrence of
debt, it may become subject to additional or more restrictive financial
covenants and its interest obligations will increase. If the Company decides to
raise additional funds through the issuance of equity, the interests of holders
of the Common Stock, will be diluted. There can be no assurance that additional
financing will be available to GTS on favorable terms or at all, and failure to
generate sufficient funds in the future, whether from operations or by raising
additional debt or equity capital, may require the Company to delay or abandon
some or all of its anticipated expenditures, to sell assets, or both, and could
affect the Company's ability to compete, either of which could have a material
adverse effect on the operations of the Company, and could affect the value of
the Notes. See "Management's Discussion and Analysis of Financial Condition and
Results of Operations" and "Use of Proceeds."
 
                                       12
<PAGE>   16
 
SUBSTANTIAL LEVERAGE
 
     GTS is, and will continue to be, highly leveraged as a result of the
substantial indebtedness it has incurred and intends to incur to pursue the
implementation of its business plans. On a pro forma consolidated basis, after
giving effect to the issuance of the Notes, the Company would have had
approximately $538.7 million aggregate principal amount of indebtedness
outstanding at September 30, 1997. GTS's debt instruments permit the Company and
its subsidiaries to incur certain additional indebtedness to fund expansion of
the Company's businesses and for other permitted purposes. The degree to which
the Company is leveraged could have important consequences for holders of the
Notes, including (i) limiting the Company's ability to refinance its existing
indebtedness or obtain additional financing to fund future working capital,
capital expenditures and other general corporate requirements, (ii) requiring
the dedication of a substantial portion of the Company's cash flow from
operations to the payment of principal of, and interest on, its indebtedness,
thereby reducing the availability of such cash flow to fund working capital,
capital expenditures or other general corporate purposes, (iii) limiting the
Company's flexibility in planning for, or reacting to, changes in its business
and the telecommunications industry, (iv) limiting the Company's ability to
obtain additional financing to make capital expenditures and acquisitions, (v)
limiting the Company's ability to withstand adverse economic conditions or take
advantage of significant business opportunities that may arise, (vi) limiting
the Company's ability to invest in new or developing technologies, (vii)
limiting the Company's ability to respond to changes affecting the
implementation of its financing, construction or operating plans and (viii)
placing the Company at a competitive disadvantage with respect to less-leveraged
competitors. In addition, the Company's operating and financial flexibility will
be limited by covenants contained in agreements governing the indebtedness of
the Company. Among other things, these covenants limit or may limit the ability
of the Company and its subsidiaries to incur additional indebtedness, make
capital expenditures, pay dividends or make distributions on capital stock of
the Company or make certain other restricted payments, create certain liens upon
assets, dispose of certain assets or enter into certain transactions with
affiliates. There can be no assurance that such covenants will not materially
and adversely affect the Company's ability to finance its future operations or
capital needs or to engage in other business activities which may be in the
interest of the Company.
 
     The Company must substantially increase its net cash flow in order to meet
its debt service obligations, and there can be no assurance that the Company
will be able to meet such obligations, including the obligations of the Company
under the Notes. If the Company is unable to generate sufficient cash flow or
otherwise obtain funds necessary to make required payments, or if it otherwise
fails to comply with the various covenants under its indebtedness, it would be
in default under the terms thereof, which would permit the holders of such
indebtedness to accelerate the maturity of such indebtedness and could cause
defaults under other indebtedness of the Company, including the Notes. Such
defaults could result in a default on the Notes and could delay or preclude
payments of interest or principal thereon.
 
RANKING; UNSECURED STATUS OF THE NOTES
 
     The Notes will represent unsecured, senior obligations of the Company, and
will rank senior in right of payment to all subordinated indebtedness of the
Company and at least pari passu in right of payment with all other present and
future unsecured, senior indebtedness of the Company. On September 30, 1997, on
a pro forma consolidated basis after giving effect to the Notes Offering, GTS
would have had approximately $538.7 million of total indebtedness. GTS would
have had $14.8 million of indebtedness that would have ranked pari passu with
the Notes, $1.1 million of secured indebtedness that would have ranked
effectively senior to the Notes (to the extent of the assets securing such
indebtedness) and $144.8 million of indebtedness that would have been
subordinated to the Notes. In addition, the Notes will be effectively
subordinated to all indebtedness and other obligations of the Company's
subsidiaries and joint ventures. At September 30, 1997, the Company's
subsidiaries had $305.5 million of obligations reflected on the Company's
consolidated balance sheet. On September 30, 1997, the Company's equity
investees had $16.4 million of indebtedness. Although the Indenture will limit
the ability of the Company and its subsidiaries to incur additional
indebtedness, the Company may incur significant amounts of indebtedness pursuant
to certain exceptions in the Indenture. In the event of a bankruptcy,
liquidation or reorganization of the Company or any default in the payment of
any indebtedness under any senior secured credit facility or other secured
indebtedness, holders of such secured
 
                                       13
<PAGE>   17
 
indebtedness will be entitled to payment in full from the proceeds of all assets
of the Company pledged to secure such indebtedness prior to any payment of such
proceeds to holders of the Notes. Consequently, there can be no assurance that
the Company will have sufficient funds to make payments to holders of the Notes.
See "Description of the Notes."
 
HOLDING COMPANY STRUCTURE; SIGNIFICANT LIMITATIONS ON ACCESS TO SUBSIDIARIES'
AND JOINT VENTURES' CASH FLOW
 
     GTS is a holding company which has no significant business operations or
assets other than its interests in joint ventures and its subsidiaries.
Accordingly, GTS must rely entirely upon distributions from the joint ventures
and its subsidiaries and investments to generate the funds necessary to meet its
obligations, including payments on the Notes. The joint ventures and the
Company's subsidiaries are separate and distinct legal entities which have no
obligation, contingent or otherwise, to pay any amount due pursuant to the Notes
or to make any funds available therefor, whether by dividends, loans or other
payments. In addition, should the Company receive dividends or other
distributions from its joint ventures, subsidiaries or investments, the ability
of the Company to repatriate such profits and capital is dependent upon the
provisions of the applicable foreign investment and exchange laws and
availability of foreign exchange in sufficient quantities in those countries.
The amount of such dividends and other distributions from these entities will be
affected by the current tax systems in these jurisdictions, primarily the
provisions relating to corporate profits and withholding taxes. See "-- Taxes;
Availability of Net Operating Loss Carryforwards." Furthermore, because consent
is required of the joint venture partners in some of the Company's joint
ventures for distributions from such joint ventures, the Company's ability to
receive dividends and other distributions is to some degree dependent on
cooperation from its joint venture partners. See "-- Dependence on Certain Local
Parties; Absence of Control." Thus, there can be no assurance that the Company
will be able to realize benefits from its joint ventures, subsidiaries and
investments through the receipt of dividends or other distributions at such
times and amounts it desires. Any failure by GTS to receive dividends or other
distributions from its joint ventures, subsidiaries or investments would
restrict the Company's ability to repay the Notes and could otherwise have a
material adverse effect on the Company's business, results of operations and
financial condition. In the event that the Company were unable to meet its
working capital needs and capital expenditure requirements with cash generated
from operations or borrowings from other sources, the Company would have to
consider various options, such as refinancing outstanding indebtedness,
obtaining additional equity capital or selling certain assets. There can be no
assurance that the Company will be able to raise new equity capital, refinance
its outstanding indebtedness, or obtain new financing in the future, or that, if
the Company is able to do so, the terms available will be favorable to the
Company. See "Management's Discussion and Analysis of Financial Condition and
Results of Operations -- Liquidity and Capital Resources."
 
ABILITY TO SERVICE DEBT; ABILITY TO REPURCHASE NOTES UPON A CHANGE OF CONTROL
 
     In the event of a Change of Control (as defined herein), each holder of
outstanding Notes may require the Company to repurchase all or a portion of such
holder's Notes. The ability of the Company to make payments in connection with
such redemptions or repurchases, and the ability of the Company to meet its debt
service obligations generally, including its principal and interest obligations
under the Notes, will depend on the future operating performance and financial
results of the Company. There can be no assurance that the cash generated from
operations, together with any cash available from any financing alternatives and
asset sales, will allow the Company to meet its debt service obligations,
including its obligations with respect to the Notes. In the event the Company is
unable to make such payments out of cash generated from operations, it would
need to consider various alternatives such as refinancing the Notes, raising
additional equity capital or selling certain assets.
 
HISTORY OF OPERATING LOSSES
 
     The Company has historically sustained substantial operating and net
losses. The Company had net losses of $0.4 million in 1992, $2.4 million in
1993, $12.0 million in 1994, $40.4 million in 1995, $68.0 million in 1996 and
$87.9 million for the nine months ended September 30, 1997. The Company's
cumulative net losses totalled $213.8 million from inception through September
30, 1997. Further development of the Company's business will require significant
additional expenditures and the Company expects that it will have significant
                                       14
<PAGE>   18
 
operating and net losses and will record significant net cash outflow, before
financing, in coming years. There can be no assurance that the Company's
operations will achieve or sustain profitability or positive cash flow in the
future. If the Company cannot achieve and sustain operating profitability or
positive cash flow from operations, it may not be able to meet its debt service
obligations or working capital requirements. See "Management's Discussion and
Analysis of Financial Condition and Results of Operations."
 
HER NETWORK ROLL-OUT
 
     HER's ability to achieve its strategic objective will depend in large part
on the successful, timely and cost-effective completion of the HER network.
Although HER currently operates commercially over an approximately 1,700
kilometer portion of the network linking Brussels, Antwerp, Rotterdam,
Amsterdam, London and Paris, the development of the remainder of the network may
be delayed or adversely affected by a variety of factors, uncertainties and
contingencies. Many of these factors, such as strikes, natural disasters and
other casualties, are beyond HER's control. In addition, HER will need to
negotiate and conclude additional agreements with various parties regarding,
among other things, rights-of-way and development and maintenance of the network
infrastructure and equipment. Historically, HER has experienced substantial
delays in concluding these agreements and developing its network. There can be
no assurance that HER will be successful in concluding necessary agreements, or
that delays in concluding such agreements will not materially and adversely
affect the speed or successful completion of the network. The successful and
timely completion of the network will also depend on, among other things, (i)
the availability to HER of substantial amounts of additional capital and
financing, (ii) timely performance by various third parties of their contractual
obligations to engineer, design and construct portions of the network and (iii)
HER's ability to obtain and maintain applicable governmental approvals.
 
     HER expects to roll out full telecommunications service over the initial
five country network in the second quarter of 1998, and the 18,000 kilometer
network to be operational during the year 2000. Although HER believes that its
cost estimates and the build-out schedule are reasonable, there can be no
assurance that the actual construction costs or time required to complete the
network build-out will not substantially exceed current estimates.
 
     Any significant delay or increase in the costs associated with development
of the HER network could have a material adverse effect on HER and the Company.
 
     Development of the HER network is capital intensive. Management expects
that approximately $290 million in capital expenditures will be incurred in
connection with the buildout of the HER network, with approximately $35 million
required for the roll out of the initial five country network that is expected
to be completed in the second quarter of 1998. While HER raised approximately
$265 million in a private placement of its senior notes in August 1997 (of which
$56.6 million has been placed in escrow for the first two years' interest
payments on the notes), additional financing must be obtained to construct the
HER network and there can be no assurance that such additional financing will be
completed. Failure to obtain necessary financing may require HER to delay or
abandon its plans for deploying the remainder of the network and would adversely
affect the viability of HER, or may require the Company to make additional
capital contributions to HER at the expense of the Company's other operations,
either of which could have a material adverse effect on the operations of the
Company. HER's revenues and the cost of deploying its network and operating its
business will depend upon a variety of factors including, among other things,
HER's ability to (i) effectively and efficiently manage the expansion of its
network and operations, (ii) negotiate favorable contracts with suppliers, (iii)
obtain additional licenses, regulatory approvals, rights-of-way and
infrastructure contracts to complete and operate the network, (iv) access
markets and attract sufficient numbers of customers and (v) provide and develop
services for which customers will subscribe. HER's revenues and costs are also
dependent upon factors that are not within HER's control such as regulatory
changes, changes in technology, increased competition and various factors such
as strikes, weather and performance by third-parties in connection with the
development of the network. Due to the uncertainty of these factors, actual
costs and revenues may vary from expected amounts, possibly to a material
degree, and such variations would likely affect HER's future capital
requirements. See "Management's Discussion and Analysis of Financial Condition
and Results of Operations -- Liquidity and Capital Resources." HER must obtain
additional infrastructure provider agreements for the long-term lease of dark
fiber, rights-of-way and other permits to install fiber optic
 
                                       15
<PAGE>   19
 
cable from railroads, utilities and governmental authorities to build out the
network. There can be no assurance that HER will be able to maintain all of its
existing agreements, rights and permits or to obtain and maintain the additional
agreements, rights and permits needed to implement its business plan on
acceptable terms. Loss of substantial agreements, rights and permits or the
failure to enter into and maintain required arrangements for the HER network
could have a material adverse effect to enter on HER's business. In addition,
HER depends on third parties for leases of dark fiber for substantial portions
of its network. There can be no assurance that HER will be able to enter into
and maintain required arrangements for leased portions of the HER network, which
could have a material adverse effect on HER's business.
 
     In order to operate and, in the case of some countries, even to construct
the network in accordance with current plans, HER must obtain the necessary
regulatory approvals. To date, HER has obtained licenses, authorizations and/or
registrations in the United Kingdom, the Netherlands, Belgium, Germany and
France and has obtained a trial concession to operate in Switzerland, which
expired on December 31, 1997. However, the Swiss regulator has invited HER to
submit a new application for a concession and HER expects to obtain a permanent
concession in due course. In addition, HER intends to file applications in other
countries in anticipation of service launch in accordance with the HER network
roll-out plan. The terms and conditions of these licenses, authorizations or
registrations may limit or otherwise affect HER's scope of operations. There can
be no assurance that HER will be able to obtain, maintain or renew licenses,
authorizations or registrations to provide the services it currently provides
and plans to provide, that such licenses, authorizations or registrations will
be issued or renewed on terms or with fees that are commercially viable, or that
the licenses, authorizations or registrations required in the future can be
obtained by HER. The loss of, or failure to obtain, these licenses,
authorizations or registrations or a substantial limitation upon the terms of
these licenses, authorizations or registrations could have a material adverse
effect on HER. See "Business -- Western Europe -- HER -- Licenses and Regulatory
Issues."
 
RISKS RELATING TO REORGANIZATION OF RUSSIAN TELECOMMUNICATIONS INDUSTRY
 
     Svyazinvest was established by the Russian government in 1994 to hold the
government's interest in 88 regional telecommunication companies. In April 1997,
President Yeltsin approved the transfer of additional government-owned
telecommunications assets, including the government's 51% stake in Rostelecom
(the government controlled international and long distance operator), to
Svyazinvest. On July 30, 1997, Mustcom Ltd., a Cyprus-based company that
represents the interests of a consortium which includes ICFI Cyprus, Renaissance
International Ltd., Deutsche Morgan Grenfell, Morgan Stanley, and an affiliate
of George Soros, purchased a 25% stake in Svyazinvest for $1.87 billion. As of
September 30, 1997, affiliates of George Soros beneficially owned 25.8% of the
Company's Common Stock. The President has also authorized the sale of another
24% of Svyazinvest at a future date. This sale is scheduled to occur in the
first half of 1998 and is currently reserved solely for Russian investors. The
Russian government has announced that it will retain a controlling 51% interest
in Svyazinvest. As a result of the government's actions, a single entity,
Svyazinvest, now owns a majority interest in most of the Company's principal
venture partners and other telecommunication service providers in Russia which
together provide a range of international and domestic long distance and local
telecommunications services throughout Russia. The consolidation of many of its
partners under Svyazinvest and the possible sale of a significant interest in
Svyazinvest to foreign and/or Russian investors will likely subject the Company
to more coordinated competition from Svyazinvest, and may lead to material
adverse changes in the business relationships between the Company and such
partners, which business relationships represent a material component of the
Company's business strategy in Russia. There can be no assurance that the
continuing privatization of Svyazinvest, or the evolution of government policy
regarding Svyazinvest and Rostelecom, will not have a material adverse effect on
the Company or its ventures. See "-- Competition," "-- Dependence on Certain
Local Parties; Absence of Control" and "Business -- Russia and the
CIS -- Overview" and "Principal Stockholders."
 
MANAGING RAPID GROWTH
 
     As a result of the Company's past and expected continued growth and
expansion, significant demands have been placed on the Company's management,
operational and financial resources and on its systems and controls. The Company
continues to construct segments of the HER network, expand its operations within
 
                                       16
<PAGE>   20
 
Russia and the CIS and expand into additional geographic and service markets
when business and regulatory conditions warrant. In order to manage its growth
effectively, the Company must continue to implement and improve its operational
and financial systems and controls, purchase and utilize additional
telecommunications facilities and expand, train and manage its employee base.
Inaccuracies in the Company's forecasts of market demand could result in
insufficient or excessive telecommunications facilities and disproportionate
fixed expenses for certain of its operations. There can be no assurance that the
Company will be able to construct and operate the entire HER network as
currently planned, expand with the markets in which its ventures are currently
operating or expand into additional markets at the rate presently planned by the
Company, or that any existing regulatory barriers to such expansion will be
reduced or eliminated. As the Company proceeds with its development and
expansion, there will be additional demands on the Company's customer support,
sales and marketing and administrative resources and network infrastructure.
There can be no assurance that the operating and financial control systems and
infrastructure of the Company and its ventures will be adequate to maintain and
effectively manage future growth. The failure to continue to upgrade the
administrative, operating and financial control systems or the emergence of
unexpected expansion difficulties could materially and adversely affect the
Company's business, results of operations and financial condition.
 
RISKS RELATING TO EMERGING MARKETS
 
     Substantially all of the Company's revenue is derived from operations in
emerging markets, where the Company's businesses are subject to numerous risks
and uncertainties, including political, economic and legal risks, such as
unexpected changes in regulatory requirements, tariffs, customs, duties and
other trade barriers, difficulties in staffing and managing foreign operations,
problems in collecting accounts receivable, political risks, fluctuations in
currency exchange rates, foreign exchange controls which restrict or prohibit
repatriation of funds, technology export and import restrictions or
prohibitions, delays from customs brokers or government agencies, seasonal
reductions in business activity, and potentially adverse tax consequences
resulting from operating in multiple jurisdictions with different tax laws,
which could materially adversely impact the Company's business, results of
operations and financial condition.
 
     The political systems of many of the emerging market countries in which the
Company operates or plans to operate are slowly emerging from a legacy of
totalitarian rule. Political conflict and, in some cases, civil unrest and
ethnic strife may continue in some of these countries for a period of time. Many
of the economies of these countries are weak, volatile and reliant on
substantial foreign assistance. Expropriation of private businesses in such
jurisdictions remains a possibility, whether by an outright taking or by
confiscatory tax or other policies. There can be no assurance that GTS's
operations will not be materially and adversely affected by such factors or by
actions to expropriate or seize its operations. The success of free market
reforms undertaken in certain of the emerging market countries in which the
Company operates is also uncertain, and further economic instability may occur.
These factors may reduce and delay business activity, economic development and
foreign investment.
 
     Legal systems in emerging market countries frequently have little or no
experience with commercial transactions between private parties. The extent to
which contractual and other obligations will be honored and enforced in emerging
market countries is largely unknown. Accordingly, there can be no assurance that
difficulties in protecting and enforcing rights in emerging market countries
will not have a material adverse effect upon GTS and its operations.
Additionally, the Company's businesses operate in uncertain regulatory
environments. The laws and regulations applicable to GTS's activities in
emerging market countries are in general new and subject to change and, in some
cases, incomplete. There can be no assurance that local laws and regulations
will become stable in the future, or that changes thereto will not materially
adversely affect the operations of GTS. Additionally, telecommunications
regulations in the more developed Western European markets in which GTS
participates are currently undergoing changes initiated by the Commission of the
European Union. See "Business."
 
RISKS RELATING TO RUSSIA AND THE CIS
 
     Substantially all of the Company's revenue is derived from operations in
Russia and the CIS. Foreign companies conducting operations in the former Soviet
Union face significant political, economic, and legal risks.
 
                                       17
<PAGE>   21
 
     Political. The political systems of Russia and the other independent
countries of the CIS, which are in a stage of relative infancy, are vulnerable
to instability due to the populace's dissatisfaction with reform, social and
ethnic unrest and changes in government policies. Such instability could lead to
events that could have a material adverse effect on the Company's operations in
these countries. In recent years, Russia has been undergoing a substantial
political transformation. During this transformation, legislation has been
enacted to protect private property against expropriation and nationalization.
However, due to the lack of experience in enforcing these provisions in the
short time they have been in effect and due to potential political changes in
the future, there can be no assurance that such protections would be enforced in
the event of an attempted expropriation or nationalization. Expropriation or
nationalization of the Company, its assets or portions thereof, whether by an
outright taking or by confiscatory tax or other policies potentially without
adequate compensation, would have a material adverse effect on the Company.
 
     The various government institutions and the relations between them, as well
as the government's policies and the political leaders who formulate and
implement them, are subject to rapid and potentially violent change. For
example, the Constitution of the Russian Federation gives the President of the
Russian Federation substantial authority, and any major changes in, or rejection
of, current policies favoring political and economic reform by the President may
have a material adverse effect on the Company. Furthermore, the political and
economic changes in Russia have resulted in significant dislocations of
authority. The local press and international press have reported that
significant organized criminal activity has arisen and high levels of corruption
among government officials exist where the Company operates. While the Company
does not believe it has been adversely affected by these factors to date, no
assurance can be given that organized or other crime will not in the future have
a material adverse effect on the Company.
 
     Economic. Over the past five years the Russian government has enacted
reforms to create the conditions for a more market-oriented economy. Despite
some progress in implementing its reforms, including progress in reducing
inflation and stabilizing the currency and industrial production, there remains
generally rising unemployment and underemployment, high government debt relative
to gross domestic product and high levels of corporate insolvency. No assurance
can be given that reform policies will continue to be implemented and, if
implemented, will be successful, that Russia will remain receptive to foreign
trade and investment or that the economy will improve.
 
     In addition, Russia, the CIS and other emerging countries in which the
Company operates currently receive substantial financial assistance from several
foreign governments and international organizations. To the extent any of this
financial assistance is reduced or eliminated, economic development in Russia,
the CIS and such other countries may be adversely affected.
 
     Russian and CIS businesses have a limited operating history in
market-oriented conditions. The relative infancy of the business culture is
reflected in the Russian banking system's under-capitalization and liquidity
crises. There have been concerns about rumors that many Russian banks continue
to have cash shortages. The Russian Central Bank has reduced banks' reserve
requirements in order to inject more liquidity into the Russian financial
system, but has stressed that it will not bail out the weaker banks. Many of
these banks are expected to disappear over the next several years as a result of
bank failure and anticipated consolidation in the industry. A general Russian
banking crisis could have a material adverse effect on the Company's operations
and financial performance and on the viability of the Company's receivables.
 
     Regulation of the Telecommunications Industry. The Russian
telecommunications system is currently regulated largely through the issuance of
licenses. There is currently no comprehensive legal framework with respect to
the provision of telecommunications services in Russia, although a number of
laws, decrees and regulations govern or affect the telecommunications sector. As
a result, ministry officials have a fairly high degree of discretion to regulate
the industry. Although telecommunication licenses may not be transferred under
Russian law, the Russian Ministry of Communications (the "MOC") has adopted the
position that licensees may enter into agreements with third parties in
connection with the provision of services under the licensee's license; however,
the MOC does not generally review agreements entered into by licensees. There
can be no assurances that the current or future regulation of the Russian
telecommunications systems will not have a material adverse effect on the
Company.
 
                                       18
<PAGE>   22
 
     Current Russian legislation governing foreign investment activities does
not prohibit or restrict foreign investment in the telecommunications industry.
However, on February 28, 1997, the State Duma, the lower house of parliament,
approved, on the first reading, draft foreign investment legislation which would
restrict any significant future foreign investment in numerous sectors of the
Russian economy, including telephone and radio communications. It is unlikely
that such restrictive legislation will be enacted, unless the political climate
changes dramatically. See "-- Political." More likely is the emergence of
restrictions on foreign investment in strategic industries, which could result
in foreign ownership limitations in industries such as telecommunications which
are not uncommon in many countries. The draft legislation has been referred to
the Russian government for comment. For such draft legislation to become Federal
law, it must be passed by a majority vote of the State Duma at another two
readings, then be approved by a majority of the Federation Council, the upper
house of parliament, and signed by the President of the Russian Federation.
Rejection of such legislation by the Federation Council can be overridden by a
two-thirds majority of the State Duma. Rejection of such legislation by the
President can be overridden by a two-thirds majority of each of the Federation
Council and the State Duma. There can be no assurance that future regulation of
foreign investment in the telecommunications industry will not have a material
adverse effect on the Company.
 
     In addition, a lack of consensus exists over the manner and scope of
government control over the telecommunications industry. Because the
telecommunications industry is widely viewed as strategically important to
Russia, there can be no assurance that recent government policies liberalizing
control over the telecommunications industry will continue. Any change in or
reversal of such governmental policies could have a material adverse effect on
the Company. See "Business -- Russia and CIS -- Licenses and Regulatory Issues."
 
     Legal Risks. As part of the effort to transform their economies into more
market-oriented economies, the Russian and other CIS governments have rapidly
introduced laws, regulations and legal structures intended to give participants
in the economy a greater degree of confidence in the legal validity and
enforceability of their obligations. Risks associated with the legal systems of
Russia and the other independent republics of the CIS include (i) the untested
nature of the independence of the judiciary and its immunity from economic,
political or nationalistic influence; (ii) the relative inexperience of judges
and courts in commercial dispute resolutions and generally in interpreting legal
norms; (iii) inconsistencies among laws, presidential decrees, government
resolutions and ministerial orders; (iv) frequently conflicting local, regional
and national laws, rules and regulations; (v) the lack of legislative, judicial
or administrative guidance on interpreting the applicable rules; and (vi) a high
degree of discretion on the part of government authorities and arbitrary
decision making which increases, among other things, the risk of property
expropriation. The result has been considerable legal confusion, particularly in
areas such as company law, commercial and contract law, securities and antitrust
law, foreign trade and investment law and tax law. Accordingly, there can be no
assurance that the Company will be able to enforce its rights in any disputes
with its joint venture partners or other parties in Russia or the CIS or that
its ventures will be able to enforce their respective rights in any disputes
with partners, customers, suppliers, regulatory agencies or other parties in
Russia or that the Company can be certain that it will be found to be in
compliance with all applicable laws, rules and regulations.
 
     Russia has adopted currency and capital transfer regulations designed to
prevent the flight of capital from its borders. These regulations require
certain licenses for the movement of capital, which includes the incurrence and
repayment of indebtedness and the payment of capital contributions in foreign
exchange to Russian entities. The Company is resolving licensing issues with
respect to certain intercompany loans and capital contributions with the
applicable government agencies and believes that any licensing irregularities
that may arise will not have a material adverse effect on its financial
condition or results of operations. There can be no assurance, however, that
Russian government authorities will not take an unexpected adverse position
which could materially adversely affect the Company's business.
 
     Taxes. Generally, taxes payable by Russian companies are substantial. In
addition, taxes payable by Russian companies are numerous and include taxes on
profits, revenue, assets and payroll as well as value-added tax ("VAT").
Moreover, statutory tax returns of Russian companies are not consolidated and,
therefore, each company must pay its own Russian taxes. Because there is no
consolidation provision, dividends are subject to Russian taxes at each level.
Currently, dividends are taxed at 15% and the payor is
                                       19
<PAGE>   23
 
required to withhold the tax when paying the dividend, except with respect to
dividends to foreign entities that qualify for an exemption under treaties on
the avoidance of double taxation. To date, the system of tax collection has been
relatively ineffective, resulting in the continual imposition of new taxes in an
attempt to raise government revenues. This history, plus the existence of large
government budget deficits, raises the risk of a sudden imposition of arbitrary
or onerous taxes, which could adversely affect the Company.
 
     Because of uncertainties associated with the laws and regulations of the
Russian tax system and the increasingly aggressive interpretation, enforcement
and collection activities of the Russian tax authorities, the Company's Russian
taxes may be in excess of the estimated amount expensed to date and accrued on
the Company's balance sheets. It is the opinion of management that the ultimate
resolution of the Company's Russian tax liability, to the extent not previously
provided for, will not have a material adverse effect on the financial condition
of the Company. However, depending on the amount and timing of an unfavorable
resolution of this contingency, it is possible that the Company's future results
of operations or cash flows could be materially affected in a particular period.
 
     In various foreign jurisdictions, the Company is obligated to pay VAT on
the purchase or importation of assets, and for certain other transactions. In
many instances, VAT can be offset against VAT which the Company collects and
otherwise would remit to the tax authorities, or may be refundable. Because the
law in some jurisdictions is unclear, the local tax authorities could assert
that the Company is obligated to pay additional amounts of VAT. In the opinion
of management, any additional VAT which the Company may be obligated to pay
would not be material.
 
ADEQUACY OF MANAGEMENT, LEGAL AND FINANCIAL CONTROLS IN EMERGING MARKETS
 
     Many of the emerging market countries in which the Company operates,
particularly in Russia and the CIS where the Company has to date derived most of
its revenues, are deficient in management and financial reporting concepts and
practices, as well as in modern banking, computer and other control systems. The
Company historically has had difficulty in hiring and retaining a sufficient
number of qualified employees to work in these markets. As a result of these
factors, the Company has experienced difficulty in establishing management,
legal and financial controls, collecting financial data and preparing financial
statements, books of account and corporate records and instituting business
practices that meet Western standards.
 
     The Company has a policy worldwide of complying with all applicable laws
and seeks to ensure that all persons in its employ comprehend and comply with
such laws. The application of the laws of any particular country, however, is
not always clear, particularly in emerging market countries where commercial
practices differ significantly from practices in the United States and other
Western countries and the legal and regulatory frameworks are less developed. In
addition, some practices, such as the payment of fees for the purpose of
obtaining expedited customs clearance and other commercial benefits, that may be
common methods of doing business in these markets might be unlawful under the
laws of the United States. As a result of the difficulty the Company
historically has experienced in emerging markets in instituting business
practices that meet Western reporting and control standards, it historically has
been unable to ascertain whether certain practices by its ventures, which were
not in accordance with Company policy, were in compliance with applicable U.S.
and foreign laws. If it were to be determined that the Company or any of its
ventures were involved in unlawful practices and were the factual and legal
issues relating thereto to be resolved adversely, the Company or its ventures
could be exposed, among other things, to significant fines, risk of prosecution
and loss of its licenses. See "-- Risks Relating to Emerging Markets" and
"-- Government Regulation."
 
     In light of these circumstances, in the second half of 1996 the Company
increased its efforts to improve its management and financial controls and
business practices. The Company recruited a more experienced financial and legal
team, including a new Chief Financial Officer of the Company, a senior finance
officer overseeing all of the regions in which the Company operates, a senior
finance officer for the CIS region, and a senior legal officer for the CIS
region. The Company also established a Treasury group and adopted a more
rigorous Foreign Corrupt Practices Act ("FCPA") compliance program. The Company
has developed and implemented a training program for employees regarding U.S.
legal and foreign local law compliance. The Company also appointed a Compliance
Officer responsible for monitoring compliance with such laws and
 
                                       20
<PAGE>   24
 
training Company personnel around the world. In connection with these
developments, the Company expanded its corporate business practices policy to
include, in addition to compliance with U.S. laws such as the FCPA, compliance
with applicable local laws such as the conflict of interest rules under the 1996
Russian Joint Stock Company Law, currency regulations and applicable tax laws.
 
     In early 1997, the Company retained special outside counsel to conduct a
thorough review of certain business practices of the Company in the emerging
markets in which the Company operates in order to determine whether deficiencies
existed that needed to be remedied. As a result of this review, the Company
replaced certain senior employees in Russia and instituted additional and more
stringent management and financial controls. As a result of the review, the
Company has not identified any violations of law that management believes would
have a material adverse effect on the Company's financial condition. There can
be no assurances, however, that if the Company or any of its ventures were found
by government authorities to have committed violations of law that, depending on
the penalties assessed and the timing of any unfavorable resolution, the
Company's future results of operations and cash flows would not be materially
adversely affected in a particular period.
 
     Although the Company believes that this review was properly conducted and
was sufficient in scope, there can be no assurance that all potential
deficiencies have been identified or that the control procedures and compliance
programs initiated by the Company will be effective. If the Company or any of
its ventures are ever found to have committed violations of law, depending on
the penalties assessed and the timing of any unfavorable resolution, the
Company's future results of operations and cash flows could be materially
adversely affected in a particular period. Management believes, however, that
the actions taken during the past twelve months to strengthen the Company's
management, financial controls and legal compliance, coupled with the
implementation of the recent recommendations from the review and the oversight
provided through the Audit Committee of the Board of Directors of the Company to
ensure compliance, will be adequate to address the recurrence of any past
possible deficiencies.
 
DEPENDENCE ON CERTAIN LOCAL PARTIES; ABSENCE OF CONTROL
 
     Many GTS operations including Sovintel, TeleRoss and GTS Cellular have been
developed in cooperation or partnership with key local parties, such as regional
PTOs. The Company is substantially dependent on its local partners to provide
marketing expertise and knowledge of the local regulatory environment in order
to facilitate the acquisition of necessary licenses and permits. Any failure by
the Company to form or maintain alliances with local partners, or the preemption
or disruption of such alliances by the Company's competitors or otherwise, could
adversely affect the Company's ability to penetrate and compete successfully in
the emerging markets it operates in or enters. In addition, in the uncertain
legal environments in which GTS operates, certain GTS businesses may be
vulnerable to local government agencies or other parties who wish to renegotiate
the terms and conditions of, or terminate, their agreements or other
understandings with GTS.
 
     While the Company may have the right to nominate key employees, direct the
operations and determine the strategies of such joint ventures, under the terms
of their respective constituent documents, the Company's partners in some of the
ventures have the ability to frustrate the exercise of such rights. Significant
actions by most of GTS's ventures, such as approving budgets and business plans,
declaring and paying dividends, and entering into significant corporate
transactions effectively require the approval of GTS's local partners. Further,
the Company would be unlikely as a practical matter to want to take significant
initiatives without the approval of its joint venture partners. Accordingly, the
absence of unilateral control by the Company over the operations of its joint
ventures could have a material adverse effect on the Company.
 
     In addition, the Company and its venture partners frequently compete in the
same markets. For example, Rostelecom, GTS's partner in Sovintel, is the
dominant international and domestic long distance carrier in Russia. In
addition, many of the regional telephone companies partnered with GTS in the
TeleRoss Ventures offer cellular services in direct competition with certain of
the operations of GTS Cellular. Such competition with its partners may lead to
conflicts of interest for GTS and its partners in the operations of their
ventures. There can be no assurance that any such conflicts will be resolved in
favor of GTS. In addition, the
 
                                       21
<PAGE>   25
 
combination under Svyazinvest of the Russian government's majority interest in
Rostelecom and 85 of the regional telephone companies gives Svyazinvest a
majority interest in entities that provide international and domestic long
distance and local telecommunications services throughout Russia and may expose
the Company to more coordinated competition from its partners in the Russian
telecommunications market. See "-- Risks Relating to Reorganization of Russian
Telecommunications Industry."
 
GOVERNMENT REGULATION
 
     As a multinational telecommunications company, GTS through its ventures is
subject to varying degrees of regulation in each of the jurisdictions in which
its ventures provide services. Local laws and regulations, and the
interpretation of such laws and regulations, differ significantly among the
jurisdictions in which the Company and its ventures operate. There can be no
assurance that future regulatory, judicial and legislative changes will not have
a material adverse effect on the Company, that regulators or third parties will
not raise material issues with regard to the Company's or its ventures'
compliance or noncompliance with applicable regulations or that any changes in
applicable laws or regulations will not have a material adverse effect on the
Company or any of its ventures.
 
     Many of GTS's ventures require telecommunications licenses, most of which
have been granted for periods of three to ten years. The terms and conditions of
these licenses may limit or otherwise affect the ventures' scope of operations.
The Company has had favorable experience obtaining, maintaining and renewing
licenses in the past. However, there can be no assurance that it will be able to
obtain, maintain or renew licenses to provide the services it currently provides
and plans to provide, that such licenses will be issued or renewed on terms or
with fees that are commercially viable, or that licenses required by future
ventures can be obtained by the Company or its partners. The loss of or a
substantial limitation upon the terms of these telecommunications licenses could
have a material adverse effect on the Company. See each section under "Business"
entitled "Licenses and Regulatory Issues."
 
     A substantial portion of HER's strategy is based upon the timely
implementation of regulatory liberalization of the European Union ("EU")
telecommunications market on January 1, 1998 under existing European Community
("EC") directives. Although EU member states have a legal obligation to
liberalize their markets in accordance with their requirements, certain more
detailed aspects of the EU regulatory framework to apply in the liberalized
environment after January 1, 1998 still remain to be adopted. In addition,
Ireland, Portugal, Spain, Luxembourg and Greece have been granted extensions
from the January 1, 1998 deadline. There can be no assurance that each EU member
state will proceed with the expected liberalization on schedule, or at all, or
that the trend toward liberalization will not be stopped or reversed in any of
the countries. Accordingly, HER faces the risk that it will establish the HER
network and make capital expenditures in a given country in anticipation of
regulatory liberalization which does not subsequently occur.
 
     In order to give effect to EC directives in each member state, national
governments must pass legislation liberalizing their respective markets. This
applies not only to the liberalization requirements set out in existing EC
directives, but also to requirements set out in directives which have yet to be
adopted. The implementation of EC directives in the telecommunications sector
has been inconsistent or ambiguous in some EU member states. Such implementation
could limit, constrain or otherwise adversely affect HER's ability to provide
certain services. Furthermore, national governments may not necessarily pass
legislation implementing an EC directive in the form required, or at all, or may
pass such legislation only after a significant delay. Even if a national
legislature enacts appropriate regulation within the time frame established by
the EU, there may be significant resistance to the implementation of such
legislation from PTOs, regulators, trade unions and other sources. Further,
HER's provision of services in Europe may be materially adversely affected if
any EU member state imposes greater restrictions on non-EU international
services than on international services within the EU. These and other potential
obstacles to liberalization could have a material adverse effect on HER's
operations by preventing HER from establishing its network as currently
intended, as well as a material adverse effect on the Company.
 
                                       22
<PAGE>   26
 
COMPETITION
 
     GTS faces significant competition in all of its existing telecommunications
businesses and for the types of acquisition and development opportunities it
seeks in both emerging and Western European markets. GTS's competition in these
markets includes national PTOs, multinational telecommunications carriers, other
telecommunications developers and certain niche telecommunications providers. In
addition, certain of the Company's joint venture partners, including Rostelecom
and the regional telephone companies in Russia, certain of HER's rail-based
shareholders and other entities in the emerging markets in which the Company
operates, are also competitors of the Company. As a result of the recent
combination under Svyazinvest of the government's majority interest in
Rostelecom and 85 of the regional telephone companies, the Company may in the
future be subject to more coordinated competition from its partners in the
Russian telecommunications market. Although the Company believes it has a
favorable and cooperative relationship with its joint venture partners, there
can be no assurance that these partners will continue to cooperate with the
Company in the future or that they will not increase competitive pressures on
the Company. Any measures taken by the partners that reduce the level of
cooperation with the Company could jeopardize the Company's ability to
participate in the management and operation of its joint ventures and could have
a material adverse effect on the Company.
 
     WorldCom, Inc. ("WorldCom") recently announced the construction of a
pan-European fiber network, the first phase of which is expected to connect
London, Amsterdam, Brussels, Frankfurt and Paris by early 1998. Although the
Company believes that the proposed WorldCom pan-European network is primarily
intended to carry WorldCom traffic, WorldCom has stated that any excess capacity
on such network will be used to provide a competitive "carriers' carrier"
service.
 
     Viatel, Inc. ("Viatel") also recently announced its intention to build a
pan-European fiber optic network connecting select cities in Belgium, France,
the Netherlands and the United Kingdom. Excess capacity would be available for
other carriers. Viatel has stated that, assuming that it obtains necessary
financing, construction would begin in spring 1998 and the network would become
operational in 1999.
 
     HER also competes with respect to its "point-to-point" transborder service
offering against circuits currently provided by PTOs through International
Private Leased Circuits. In addition, the liberalization of the European
telecommunications market is likely to attract additional entrants to both the
"point-to-point" and other telecommunications markets. There can be no assurance
that HER will compete effectively against its current or future competitors.
 
     Many of the Company's competitors have technical, financial, marketing and
other resources substantially greater than those of GTS. There can be no
assurance that the Company will be able to overcome successfully the competitive
pressures to which it is subject, both in the markets in which it currently
operates and in markets into which it might expand. See each section under
"Business" entitled "Competition." In addition, many of the Company's current
and potential competitors are not subject to, or constrained by the prohibitions
of, the FCPA, including the prohibition against making payments to government
officials in order to obtain commercial benefits. The Company is subject to and
seeks to comply with the limitations and prohibitions of such law, and
accordingly may be subject to competitive disadvantages to the extent that its
competitors are able to secure business, licenses or other preferential
treatment through the making of such payments. Accordingly, there can be no
assurances that the Company will be able to compete effectively against
companies free from such limitations in the emerging markets where such
commercial practices are commonplace. See "-- Adequacy of Management, Legal and
Financial Controls in Emerging Markets."
 
CONTROL BY CERTAIN STOCKHOLDERS
 
     Certain persons control substantial portions of the Company's voting stock.
At December 31, 1997, after giving effect to the Stock Offerings, Soros
Foundation-Hungary and certain of its affiliates (collectively the "Soros
Foundations"), Alan B. Slifka and certain of his affiliates, and affiliates of
Capital Research International beneficially owned approximately 20.4%, 11.2% and
10.3%, respectively, of the Common Stock (including rights to acquire Common
Stock). See "Principal Stockholders." In addition, three persons affiliated with
the Soros Foundations currently serve on the Company's Board of Directors (the
"Board of
 
                                       23
<PAGE>   27
 
Directors"). Consequently, these entities are in a position to exercise control
over the outcome of matters submitted for stockholder actions, including the
election of members to the Board of Directors, and are able to influence the
management and affairs of the Company. Additionally, affiliates of the Soros
Foundations and of Capital International, Inc. have purchased debt securities of
the Company that include covenants that restrict the operating and financing
activities of the Company. In certain situations, the interests of holders of
the Company's equity securities may diverge from the interests of the holders of
the Company's debt securities, and holders of both equity and debt securities of
the Company may be in a position to require GTS to act in a way that is not
consistent with the general interests of the holders of the Common Stock. See
"-- Additional Capital Requirements," "Management," "Principal Stockholders" and
"Certain Related Party Transactions."
 
CURRENCY AND EXCHANGE RISKS
 
     All of GTS's operations are conducted outside the United States. A
substantial portion of the Company's anticipated revenues (as well as the
majority of its operating expenses) will be in foreign currency. As a result,
the Company will be subject to significant foreign exchange risks. In
particular, GTS's ventures in countries whose currencies are considered "soft
currencies" subject the Company to the risk that it will accumulate currencies
which may not be readily convertible into hard currency and which may be subject
to significant limitations on repatriation. The Company does not enter into
hedging transactions to limit its foreign currency risk exposure, although the
Company may implement such practices in the future. There can be no assurance
that GTS's operations will not be adversely affected by such factors. In
addition, these factors may limit the ability of the Company to reinvest
earnings from ventures in one country to fund the capital requirements of
ventures in other countries.
 
     In Russia, where the Company derives most of its revenue, the ruble has
generally experienced a steady depreciation relative to the U.S. Dollar over the
past three years, although there has been some instability in the ruble exchange
rate over this period of time. The Company's tariffs are denominated in U.S.
Dollars but charges are invoiced and collected in rubles, while the Company's
major capital expenditures are generally denominated and payable in various
foreign currencies. To the extent such major capital expenditures involve
importation of equipment and the like, current law permits the Company to
convert its ruble revenues into foreign currency to make such payments. The
ruble is generally not convertible outside Russia. A market exists within Russia
for the conversion of rubles into other currencies, but it is limited in size
and is subject to rules limiting the purposes for which conversion and payment
may be effected. The limited availability of other currencies may tend to
inflate their values relative to the ruble and there can be no assurance that
such a market will continue to exist indefinitely. Moreover, the banking system
in Russia is not yet as developed as its Western counterparts and considerable
delays may occur in the transfer of funds within, and the remittance of funds
out of, Russia. Any delay in converting rubles into a foreign currency in order
to make a payment or delay in the transfer of such foreign currency could have a
material adverse effect on the Company.
 
EXCHANGE CONTROLS AND REPATRIATION RISKS RELATING TO RUSSIAN SECURITIES
 
     Russia has adopted currency and capital transfer regulations designed to
prevent the flight of capital from its borders. These regulations require
certain licenses for the movement of capital, which includes the incurrence and
repayment of indebtedness and the payment of capital contributions in foreign
exchange to Russian entities. The Company is resolving licensing issues with
respect to certain intercompany loans and capital contributions with the
applicable government agencies and believes that any licensing irregularities
that may arise will not have a material adverse effect on its financial
condition or results of operations. There can be no assurance, however, that
Russian government authorities will not take an unexpected adverse position
which could materially affect the Company's business.
 
     No assurance can be given that Russian foreign investment and currency
legislation will continue to permit repatriation of the proceeds from
investments. Furthermore, no assurance can be given that further restrictions
will not be imposed on the conversion of ruble earnings into foreign currency
for purposes of making dividend payments or on the repatriation of profits. If
any such further restrictions were imposed, they would have a material adverse
effect on the Company's interests in Russia.
 
                                       24
<PAGE>   28
 
TRANSACTIONS WITH AFFILIATES
 
     The Company has entered into financing agreements with certain of its
affiliates. It is the Company's view that each such transaction has been on
terms no less favorable to the Company than other similar transactions available
to the Company with unaffiliated parties, if available at all. Generally, such
transactions have been the Company's only recourse to meet financing needs
and/or business goals. Despite the foregoing, prospective purchasers may wish to
consider the circumstances in which such transactions were made, the terms of
such transactions and the Company's possible alternative courses of action. The
Company may enter into transactions in the future with affiliates in order to
meet its financing needs and/or business goals. See "Certain Related Party
Transactions" and "Description of Certain Indebtedness."
 
DEPENDENCE ON KEY PERSONNEL
 
     The Company believes that its growth and future success will depend in
large part upon the efforts of a small number of key executive officers, as well
as on its ability to attract and retain highly skilled and qualified personnel
to work in the emerging markets in which it operates. Henry Radzikowski, who
served as Chief Executive Officer -- CIS and Eastern Europe Operations from
February 1994 until January 1997 and who has extensive experience in the
telecommunications industry in Russia, resigned in 1997. Stewart Reich became
Senior Vice President-Russia effective September 1, 1997. The Company has also
replaced or reassigned executive officers and senior personnel. The competition
for qualified personnel in the telecommunications industry is intense,
particularly in emerging markets where the Company operates and, accordingly,
there can be no assurance that the Company will be able to hire and retain
qualified personnel. Although the Company believes it has maintained a strong
management team, despite the change of personnel in Russia and the CIS, there
can be no assurance as to what effect such personnel changes will have on the
Company's operations in Russia and the CIS.
 
DEPENDENCE ON EFFECTIVE INFORMATION SYSTEMS
 
     To complete its billing, the Company must record and process massive
amounts of data quickly and accurately. While the Company believes its ventures'
management information systems are currently adequate, certain of such systems
will have to grow as the ventures' businesses expand. The Company believes that
the successful expansion of its information systems and administrative support
will be important to its continued growth, its ability to monitor and control
costs, to bill customers accurately and in a timely fashion and to achieve
operating efficiencies. There can be no assurance that the Company will not
encounter delays or cost-overruns or suffer adverse consequences in implementing
these systems. Any such delay or other malfunction of the Company's management
information systems could have a material adverse effect on the Company's
business, financial condition and results of operations.
 
TAXES; AVAILABILITY OF NET OPERATING LOSS CARRYFORWARDS
 
     The tax rules and regimes prevailing in certain emerging market countries
in which the Company operates or plans to operate are, in many cases, new and
rapidly changing. Repatriation of profits may result in additional taxes. In
addition, other forms of taxation, including VAT, excise taxes and import
duties, change at an unpredictable pace and may have an adverse effect on the
Company's operations.
 
     Availability of tax holidays and provisions of tax treaties with the United
States are subject to changes which may affect GTS's utilization of certain tax
benefits in the countries in which it operates as well as in the United States.
Certain ventures in the CIS and Hungary are operating under tax holidays granted
by local governments. Tax holidays are for periods ranging from five to several
years after achieving profitability under local tax regulations. In addition to
these holidays, certain of the Company's foreign ventures have foreign tax loss
carryforwards in excess of $50.0 million.
 
     As of September 30, 1997, the Company had net operating loss carryforwards
for U.S. federal income tax purposes of approximately $92.5 million expiring in
fiscal years 2003 through 2012. Because of the "change in ownership" provisions
of the Tax Reform Act of 1986, the utilization of the Company's net operating
loss carryforwards will be subject to an annual limitation as a result of the
consummation of the Offerings.
 
                                       25
<PAGE>   29
 
     The Company's financial statements do not reflect any provision for
benefits that might be associated with the U.S. and non-U.S. loss carryforwards.
There can be no assurance that such loss carryforwards will be allowed, in part
or full, by local tax authorities against future income.
 
TECHNOLOGY
 
     The telecommunications industry is subject to rapid and significant changes
in technology and such technological advances may reduce the relative
effectiveness of existing technology and equipment. The Company obtains
telecommunications equipment from a number of vendors, upon whom it is dependent
for the adaptation of such equipment to meet varying local telecommunications
standards. The cost of implementation of emerging and future technologies could
be significant. There can be no assurance that the Company will maintain
competitive services or that the Company will obtain appropriate new technology
on a timely basis or on satisfactory terms. Any failure by the Company to
maintain competitive services or obtain new technologies could have a material
adverse effect on the Company's business, financial condition and results of
operations.
 
     Development and operation of the HER network are also subject to certain
technological risks. The network has been designed to utilize SDH technology.
While SDH represents an advanced, new transmission technology, HER's ability to
upgrade technology from this platform may be important in establishing and/or
maintaining a cost advantage over competitive carriers. There can be no
assurance that the HER network will achieve the technical specifications for
which it was designed or that HER will be able to upgrade the network as
technological improvements in telecommunications equipment are introduced.
Failure to achieve current specifications for, or future upgrades of, the
network may materially and adversely affect the viability of the HER network and
could have a material adverse effect on the business and prospects of GTS.
 
DIFFICULTY IN OBTAINING RELIABLE MARKET INFORMATION
 
     The Company operates in markets in which it is difficult to obtain reliable
market information. The Company's business planning has been based on certain
assumptions concerning subscriber base, usage levels, pricing and operating
expenses based on the Company's experience and the Company's own investigation
of market conditions in the emerging market countries in which it operates. No
assurances can be given as to the accuracy of such assumptions, and such
assumptions may not be indicative of the actual performance of the Company's
operations.
 
ENFORCEABILITY OF JUDGMENTS
 
     Substantially all of the assets of the Company (including all of the assets
of the Company's operating ventures) are located outside the United States. As a
result, it will be necessary for investors to comply with foreign laws in order
to enforce judgments obtained in a United States court (including those with
respect to federal securities law claims) against the assets of the operating
ventures, including foreclosure upon such assets, and there can be no assurance
that any U.S. judgments would be enforced under any such foreign laws.
 
NO PRIOR PUBLIC MARKET
 
     The Company does not intend to apply for a listing of the Notes on any
national securities exchange or for quotation of the Notes through the Nasdaq
National Market in the United States. The Company has been advised by the
Underwriters that, following completion of the initial offering of the Notes,
the Underwriters intend to make a market in the Notes, although they are under
no obligation to do so and may discontinue any market-making activities at any
time without notice. No assurances can be given as to the liquidity of the
trading market for the Notes or that an active public market for the Notes will
develop. If an active public market does not develop, the market price and
liquidity of the Notes may be adversely affected.
 
                                       26
<PAGE>   30
 
                                USE OF PROCEEDS
 
     The aggregate net proceeds of the Notes Offering are estimated to be
approximately $100.5 million after deducting estimated expenses of the Notes
Offering payable by the Company. Concurrently with the sale of the Notes, the
Company intends to complete the Stock Offerings, the net proceeds of which is
expected to be approximately $205.2 million after deducting estimated expenses
of the Stock Offerings payable by the Company.
 
     The Company primarily intends to use the net proceeds from the Offerings to
provide working capital for existing telecommunications ventures, particularly
in Russia and the CIS, to expand the Company's operations, and for general
corporate purposes. The Company also intends to use a portion of the net
proceeds to repay the Chatterjee Notes (as defined herein) and the Capital
Research Notes (as defined herein) in an aggregate principal amount of $70
million (plus accrued interest), which bear interest at 10% per annum and mature
on January 19, 2001 and February 2, 2001, respectively. Also, as part of its
business strategy, the Company regularly evaluates potential acquisitions and
joint ventures, including the acquisition of minority interests in existing
joint ventures. The Company has no definitive agreement with respect to any
material acquisition or joint venture, although from time to time it has
discussions with other companies and assesses opportunities on an on-going
basis. A portion of the net proceeds from the Offerings may be used to fund such
acquisitions. In addition, approximately $19.6 million of the net proceeds of
the Notes Offering will be placed in the Escrow Account. Pending any use of its
net proceeds from the Offerings in the manner described above, the Company
intends to invest the proceeds in short-term investment grade obligations, bank
deposits, U.S. government securities or similar instruments.
 
                                       27
<PAGE>   31
 
                                 CAPITALIZATION
 
     The following table sets forth the consolidated capitalization of the
Company as of September 30, 1997 and as adjusted to give effect to the Offerings
and the application of the net proceeds thereof.
 
<TABLE>
<CAPTION>
                                                        ACTUAL(2)         AS ADJUSTED(3)
                                                        ----------        ---------------
                                                        (IN THOUSANDS, EXCEPT SHARE DATA)
<S>                                                     <C>               <C>
Related party debt maturing within one year.........     $  11,760           $      --
Debt maturing within one year.......................        14,815              14,815
                                                         ---------           ---------
          Current debt..............................        26,575              14,815
Long-term obligations (net of current portion)
  Related party debt, less current portion..........        64,715               7,656
  Senior Notes due 2005.............................            --             105,000
  HER Senior Notes due 2007.........................       265,000             265,000
  Convertible subordinated notes....................       141,256             141,256
  Capital Leases....................................         1,452               1,452
  Other long-term debt, less current portion........         3,484               3,484
                                                         ---------           ---------
          Long-term debt............................       475,907             523,848
                                                         ---------           ---------
          Total debt................................       502,482             538,663
                                                         ---------           ---------
Minority interest...................................        20,275              20,275
Common stock subject to repurchase..................        12,489              15,940
Shareholders' equity(1):
  Common stock, $0.10 par value (135,000,000 shares
     authorized; 37,606,814 shares issued and
     outstanding, actual; 48,706,814 shares issued
     and outstanding, as adjusted)..................         3,761               4,871
Additional paid-in capital..........................       274,433             475,028
Accumulated deficit.................................      (213,770)           (229,064)
Other...............................................        (7,021)             (7,021)
                                                         ---------           ---------
          Total shareholders' equity................        57,403             243,814
                                                         ---------           ---------
Total capitalization................................     $ 592,649           $ 818,692
                                                         =========           =========
</TABLE>
 
- ---------------
 
(1) Excludes at December 31, 1997 (i) 7,777,776 shares of Common Stock reserved
    for issuance upon exercise of outstanding warrants at an exercise price of
    $9.33 per share, (ii) 7,081,173 shares of Common Stock reserved for issuance
    upon exercise of outstanding stock options at a weighted average exercise
    price of $9.08 per share, (iii) 713,311 shares of Common Stock reserved for
    issuance upon exercise of a put right associated with a 1996 financing
    agreement, as amended, (iv) 7,240,000 shares issuable upon conversion of the
    Convertible Bonds and (v) 560,820 shares of Common Stock reserved for
    issuance pursuant to the TCM business partnership agreement as deferred
    consideration to TCM's partners. See "Certain Related Party Transactions."
 
(2) As a result of the Company's increase in ownership interest and amendment to
    the HER shareholders agreement that was completed as of July 16, 1997, the
    Company accounts for its ownership interest in HER under the consolidation
    method of accounting. Prior to this date, the Company accounted for HER
    using the equity method of accounting.
 
(3) Reflects the repayment of $70.0 million, plus accrued interest of $12.3
    million and the write-off of unamortized debt discount and issuance costs of
    $15.3 million, of loans from shareholders which bear interest at 10% per
    annum and mature on January 19, 2001 and February 2, 2001. Further, amount
    also recognizes the accretion of the outstanding common stock that is
    subject to repurchase (797,100 shares at September 30, 1997) for the fair
    value of the Company's Common Stock at September 30, 1997, from $15.67 per
    share, to the $20.00 per share offering price in the Stock Offerings.
 
                                       28
<PAGE>   32
 
                SELECTED HISTORICAL CONSOLIDATED FINANCIAL DATA
 
     The following selected historical consolidated financial data as of and for
the years ended December 31, 1992, 1993, 1994, 1995 and 1996 and as of and for
the nine months ended September 30, 1997 are derived from the Company's audited
Consolidated Financial Statements. The following unaudited selected historical
consolidated financial data as of and for the nine months ended September 30,
1996 are derived from the Company's unaudited Consolidated Financial Statements.
The selected financial data presented below should be read in conjunction with
"Management's Discussion and Analysis of Financial Condition and Results of
Operations" and the audited Consolidated Financial Statements and related notes
thereto appearing elsewhere in this Prospectus.
 
     Under generally accepted accounting principles, most of the Company's
ventures are accounted for by the equity method of accounting. Under this
method, the operating results of the ventures are included in the Company's
Consolidated Statement of Operations as a single line item, "Equity in (losses)
earnings of ventures." The Company recognizes 100% of the losses in ventures
where the Company bears all of the financial risk (which includes all of the
Company's significant ventures except for Sovintel and, historically, HER).
Also, the assets, liabilities and equity of the ventures are included in the
Company's Consolidated Balance Sheets as a single line item "Investments in and
advances to ventures." See Note 2 to the Company's audited Consolidated
Financial Statements and "Management's Discussion and Analysis of Financial
Condition and Results of Operations -- Overview." Financial information about
the Company's equity ventures is included below under "Supplemental
Information -- Selected Historical Financial Data -- Equity Investments."
 
<TABLE>
<CAPTION>
                                                                                           NINE MONTHS ENDED
                                                    YEARS ENDED DECEMBER 31,                 SEPTEMBER 30,
                                          ---------------------------------------------   -------------------
                                           1992     1993     1994      1995      1996       1996     1997(1)
                                          ------   ------   -------   -------   -------   --------   --------
                                                         (IN THOUSANDS, EXCEPT PER SHARE DATA)
<S>                                       <C>      <C>      <C>       <C>       <C>       <C>        <C>
STATEMENT OF OPERATIONS DATA:
  Revenues, net.........................  $1,690   $  328   $ 2,468   $ 8,412   $24,117   $ 14,639   $ 30,216
  Gross margin..........................   1,690      328        23        16     5,176      1,758      1,864
  Operating expenses....................   1,992    3,340    12,863    41,014    52,928     35,725     52,059
  Equity in (losses) earnings of
     ventures...........................    (134)     472      (135)   (7,871)  (10,150)    (6,999)   (18,234)
  Other (expense) income................      (2)     100       990    11,034    (8,729)    (6,535)   (16,902)
  Net loss..............................    (437)  (2,440)  (11,985)  (40,400)  (67,991)   (48,473)   (87,872)
  Loss per share........................   (0.06)   (0.26)    (0.69)    (1.61)    (2.22)     (1.69)     (2.37)
  Deficiencies of earnings available to
     cover fixed charges(2).............    (437)  (2,440)  (11,985)  (37,835)  (66,631)   (47,496)   (86,034)
BALANCE SHEET DATA (AT END OF PERIOD):
  Cash and cash equivalents.............  $1,597   $3,641   $29,635   $ 9,044   $57,874   $ 86,504   $366,841
  Property and equipment,
     net................................      41      829     8,393    29,523    35,463     34,599     69,051
  Investments in and advances to
     ventures...........................     270      794    13,841    56,153   104,459     83,341     84,068
  Total assets..........................   2,051    5,968    61,957   115,621   237,378    233,879    647,788
  Total debt............................      --      725     2,152    27,454    85,547     76,518    502,482
  Minority interest and stock subject to
     repurchase.........................      --       --         8     5,273     6,248      6,271     32,764
  Shareholders' equity..................   1,659    4,685    54,684    55,322   113,668    120,979     57,403
</TABLE>
 
- ---------------
 
(1) As a result of the Company's increase in ownership interest and amendment to
    the HER Shareholders Agreement that was completed on July 16, 1997, the
    Company accounts for its ownership interest in HER under the consolidation
    method of accounting. Prior to this date, the Company accounted for HER
    under the equity method of accounting.
 
(2) Because of the Company's historic losses, the Company has experienced a
    deficiency of earnings available to cover fixed charges throughout its
    existence. The deficiency of earnings available to cover fixed charges has
    been computed by adding loss from continuing operations before income taxes
    minus fixed charges. Fixed charges consist of interest on all indebtedness
    and amortization of discount on all indebtedness.
 
                                       29
<PAGE>   33
 
                SUPPLEMENTAL INFORMATION -- SELECTED HISTORICAL
                 FINANCIAL DATA -- COMBINED EQUITY INVESTMENTS
 
     The following unaudited selected historical financial data -- equity
investments for the years ended December 31, 1995 and 1996 and for the nine
months ended September 30, 1996 and 1997, are derived from the Company's
financial records. It is intended to supplement the aforementioned selected
historical consolidated financial data. The financial data set forth below
represents 100% of the results of operations for each of the entities.
 
     The Company believes that this information provides additional insight on
the Company's unconsolidated equity method investments. Generally accepted
accounting principles prescribe inclusion of revenues and expenses for
consolidated interests (generally interests of more than 50%, absent some other
factors), but not for equity interests (generally interests of 20% to 50%) or
cost interests (generally interests of less than 20%). Equity accounting
ordinarily results in the same net income as consolidation; however, the net
operating results are reflected on one line within the income statement.
 
<TABLE>
<CAPTION>
                                                               OWNERSHIP                 COST OF     OPERATING         NET
                                                              INTEREST(2)    REVENUES    REVENUES     EXPENSES    INCOME/(LOSS)
                                                              -----------    --------    --------    ----------   -------------
                                                                          (IN THOUSANDS, EXCEPT OWNERSHIP INTEREST)
<S>                                                           <C>            <C>         <C>         <C>          <C>
YEAR ENDED DECEMBER 31, 1995
  Sovintel..................................................        50%      $44,292     $26,247     $   7,047      $  7,648
  TCM.......................................................        50%           49          --            57            (7)
  TeleRoss..................................................        50%          176          59           242          (193)
  Sovam.....................................................      66.7%        4,434       2,914         3,273        (1,789)
  GTS Cellular Companies....................................        50%(3)     4,574       2,834         2,960        (2,165)
  Other.....................................................        50%(3)       526         957         9,379        (9,874)
                                                                   ---       --------    --------    ---------      --------
        Total...............................................                  54,051      33,011        22,958        (6,380)
  ADJUSTMENTS FOR INTER-AFFILIATE TRANSACTIONS(1)...........                  (2,270)     (2,215)       (6,967)
YEAR ENDED DECEMBER 31, 1996
  Sovintel..................................................        50%      $75,040     $43,910     $  10,411      $ 14,762
  TCM.......................................................        50%       16,507       3,330         1,854         8,874
  TeleRoss..................................................        50%        2,413         832         2,293          (841)
  Sovam.....................................................      66.7%       11,671       8,236         5,714        (2,138)
  GTS Cellular Companies....................................        50%(3)    25,778      11,883        13,614        (3,406)
  Other.....................................................        50%(3)    12,063      12,235        21,132       (22,471)
                                                                   ---       --------    --------    ---------      --------
        Total...............................................                 143,472      80,426        55,018        (5,220)
  ADJUSTMENTS FOR INTER-AFFILIATE TRANSACTIONS(1)...........                 (15,385)    (13,562)       (8,083)
NINE MONTHS ENDED SEPTEMBER 30, 1996
  Sovintel..................................................        50%      $51,977     $30,613     $   7,311      $  9,522
  TCM.......................................................        50%       12,559       2,267         1,197         6,998
  TeleRoss..................................................        50%        1,265         485         1,527          (753)
  Sovam.....................................................      66.7%        8,007       5,895         4,169        (2,048)
  GTS Cellular Companies....................................        50%(3)    16,544       8,216         5,871        (1,362)
  Other.....................................................        50%(3)     2,918       3,378        14,099       (18,507)
                                                                   ---       --------    --------    ---------      --------
        Total...............................................                  93,270      50,854        34,174        (6,150)
  ADJUSTMENTS FOR INTER-AFFILIATE TRANSACTIONS(1)...........                  (9,675)     (7,596)       (7,134)
NINE MONTHS ENDED SEPTEMBER 30, 1997
  Sovintel..................................................        50%      $82,029     $51,048     $  12,324      $ 14,215
  TCM.......................................................        50%       20,715       4,733         2,270         9,653
  TeleRoss..................................................        50%        5,113       1,419         2,460           512
  Sovam.....................................................      66.7%       12,877       7,867         4,635          (168)
  GTS Cellular Companies....................................        50%(3)    29,412      14,227        13,022        (2,746)
  Other.....................................................        50%(3)     8,860       8,400        25,736       (25,146)
                                                                   ---       --------    --------    ---------      --------
        Total...............................................                 159,006      87,694        60,447        (3,680)
  ADJUSTMENTS FOR INTER-AFFILIATE TRANSACTIONS(1)...........                 (17,049)    (15,853)      (11,105)
</TABLE>
 
- ---------------
 
(1) The adjustment amounts represent the effect of inter-affiliate transactions
    between the Company's consolidated and equity method ventures. More detailed
    information about inter-affiliate transactions is included under
    "Management's Discussion and Analysis of Financial Condition and Results of
    Operations -- Accounting Methodology."
 
(2) The ownership interest column indicates the Company's legal ownership
    percentage for the respective equity investments. The information is being
    provided to assist an investor or analyst in determining the Company's legal
    rights associated with the presented financial data. See Note 3 in the
    Company's audited Consolidated Financial Statements for additional
    disclosures related to the Company's equity investments.
 
(3) The Company generally maintains a 50% ownership interest in these equity
    investments. See Note 3 in the Company's audited Consolidated Financial
    Statements for additional disclosures related to the Company's equity
    investments.
 
                                       30
<PAGE>   34
 
          MANAGEMENT'S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION
                           AND RESULTS OF OPERATIONS
 
     The following is a discussion of the financial condition and results of
operations of the Company as of September 30, 1997 and 1996, December 31, 1996
and 1995 and for the nine months ended September 30, 1997 and 1996 and for the
years ended December 31, 1996, 1995 and 1994. The following discussion should be
read in conjunction with the Company's Consolidated Financial Statements and the
notes related thereto. Certain statements contained in "Management's Discussion
and Analysis of Financial Condition and Results of Operations" including,
without limitation, those concerning (i) projected traffic volume, (ii) future
revenues and costs, (iii) changes in the Company's competitive environment and
(iv) the performance of future equity-method investments, contain
forward-looking statements concerning the Company's operations, economic
performance and financial condition. Because such statements involve risks and
uncertainties, actual results may differ materially from those expressed or
implied by such forward-looking statements.
 
OVERVIEW
 
     Business. GTS is a provider of a broad range of telecommunications services
to businesses, other telecommunications service providers and consumers in
Russia and the CIS and Central Europe. Through HER, GTS is developing, and
operating the initial segments of, a pan-European high capacity fiber optic
network which is designed to interconnect a majority of the largest Western and
Central European cities and to transport international voice, data and
multimedia/image traffic for other carriers throughout Western and Central
Europe. GTS's strategy to develop its businesses generally has been to establish
joint ventures with a strong local partner or partners while maintaining a
significant degree of operational control. The Company's business activities
consist of the ownership and operation of (i) international long distance
businesses, which operate through international gateways that provide
international switching services and transmission capacity, (ii) local access
networks, which provide local telephone service, (iii) cellular networks, which
provide wireless telecommunications services, (iv) a domestic long distance
business, (v) data networks and (vi) carriers' carrier networks, which provide
high volume transmission capacity to other carriers.
 
     The Company began to acquire interests in numerous telecommunications
ventures beginning in 1994 and continued to acquire such interests throughout
1995 and 1996. Ventures with significant financial results in 1994 included
Sovintel (an international long distance and domestic and local access
telecommunications service provider) and GTS-Hungary (a VSAT network
telecommunications service provider); ventures that incurred start-up costs
associated with building out their business infrastructure in 1994 included
Sovam (a data and internet telecommunications service provider) and EuroHivo (a
paging telecommunications service provider). In 1995, TeleRoss (a domestic long
distance telecommunications service provider) and GTS Cellular (a basic cellular
telecommunications service provider) began operations and expanded into numerous
regions within the CIS by the end of 1996. Telecommunications of Moscow ("TCM")
(a local access telecommunications service provider) began operations in 1996.
HER (a carriers' carrier telecommunications service provider) began its network
build-out in 1995, began limited operations at the end of 1996 and expects to
continue to develop its network during 1998 and beyond. The fact that these
ventures are in various stages of development affects the discussion of
comparative results below.
 
     GTS has invested significantly in its ventures through capital
contributions and loans. In addition, the Company has made a significant
commitment to its businesses and ventures through the provision of management
assistance and training. GTS has also incurred significant expenses in
identifying, negotiating and pursuing new telecommunications opportunities. GTS
and certain of its ventures are experiencing continuing losses and negative
operating cash flow primarily because the businesses are in the developmental
and start-up phases of operations. Management recognizes that the Company must
generate additional capital resources in order to continue its operations and
meet its new development initiatives. The ultimate recoverability of the
Company's investments in and advances to ventures is dependent on many factors
including, but not limited to, the ability of the Company to obtain sufficient
financing to continue to meet its capital and operational commitments, the
economies of the countries in which it does business and the ability of the
Company to maintain the necessary telecommunications licenses.
 
                                       31
<PAGE>   35
 
     The Company's businesses are developing rapidly. Some of the businesses
operate in countries with emerging economies which have uncertain economic,
political and regulatory environments. The general risks of operating businesses
in the CIS and other developing countries include the possibility for rapid
change in government policies including telecommunications regulations, economic
conditions, the tax regime and foreign currency regulations.
 
ACCOUNTING METHODOLOGY
 
     Accounting for Business Ventures. Wholly owned subsidiaries and majority
owned ventures where the Company has unilateral operating and financial control
are consolidated. Those ventures where the Company exercises significant
influence, but does not exercise unilateral operating and financial control, are
accounted for by the equity method. The Company has certain majority owned
ventures that are accounted for by the equity method as a result of
super-majority voting conditions or other governmentally imposed uncertainties
so severe that they prevent the Company from obtaining unilateral control of the
venture.
 
     Profit and Loss Accounting. The Company recognizes profits and losses in
accordance with its underlying ownership percentage or allocation percentage as
specified in the agreements with its partners; however, the Company recognizes
100% of the losses in ventures where the Company bears all of the financial risk
(which includes all of the Company's significant ventures except for Sovintel
and, historically, HER). Accordingly, the portion of the losses that would
normally be assigned to the minority interest partner ("Excess Losses") is
recognized by the Company. When such ventures become profitable, the Company
recognizes 100% of the profits until such time as the Excess Losses previously
recognized by the Company have been recovered. As of September 30, 1997, $5.3
million and $9.7 million represents the net unrecovered Excess Losses for the
Company's consolidated and equity method investments, respectively, that is
expected to favorably benefit future period results from operations upon the
Company's existing business ventures becoming profitable. This accounting policy
was adopted prior to 1995; however, 1995 was the first year that the excess loss
amount was deemed material for recognition within the Company's accounting
records. For the period from January 1, 1997, through August 31, 1997, the
Company recognized 100% of HER's losses due to GTS being the financing partner
during this period. As a result of HER's completion of a private placement of
$265.0 million of senior notes (of which $56.6 million was placed in escrow for
the first two years' interest payments) in August 1997, management no longer
considers itself as the financing partner.
 
     Inter-Affiliate Transactions. Several of the Company's ventures have
entered into business arrangements through which they provide integrated
solutions for their customers by leveraging each others' telecommunications
infrastructure. These arrangements have historically been focused primarily
within a region; however, as GTS has increased its geographic coverage and
telecommunication capabilities, these arrangements have expanded between
regions. In accordance with generally accepted accounting principles, all
significant intercompany accounts and transactions are eliminated upon
consolidation.
 
     Turnover Taxes. The Company's ventures within the CIS region incur a 4%
turnover tax that is based on the revenues earned. The Company includes these
taxes as a component of its operating expenses, since these taxes are incidental
to the revenue cycle.
 
                                       32
<PAGE>   36
 
     The following table summarizes the accounting methodology for the principal
business ventures through which the Company conducts its business.
 
<TABLE>
<CAPTION>
                                                  EFFECTIVE
                                COUNTRY/REGION       GTS          ACCOUNTING
        COMPANY NAME            OF OPERATIONS     OWNERSHIP       METHODOLOGY
        ------------            --------------    ---------       -----------
<S>                            <C>               <C>           <C>
RUSSIA/CIS
  Sovintel                          Russia           50%            Equity
  TCM                               Russia           50%            Equity
  TeleRoss Operating Company        Russia         100%(1)       Consolidated
  TeleRoss Ventures                 Russia          50%(2)          Equity
  Sovam                             Russia          67%(3)          Equity
  GTS Cellular                       CIS          25%-70%(4)        Equity
WESTERN EUROPE
  HER                           Western Europe       79%        Consolidated(5)
  GTS-Monaco Access                 Monaco           50%            Equity
CENTRAL EUROPE
  GTS-Hungary                      Hungary           99%         Consolidated
  EuroHivo                         Hungary           70%            Equity
  CzechNet                      Czech Republic       100%        Consolidated
  CzechCom                      Czech Republic       100%        Consolidated
ASIA
  V-Tech                            China            75%            Equity
  Beijing Tianmu                    China            47%            Equity
  CDI                               India            100%        Consolidated
</TABLE>
 
- ---------------
 
(1) The TeleRoss Operating Company is comprised of two wholly owned holding
    companies and a 99% owned subsidiary that operates a domestic long distance
    network and holds the applicable operating license for TeleRoss and performs
    the customer invoicing and collection functions for telecommunications
    services. TeleRoss Operating Company is accounted for under the
    consolidation method of accounting because GTS has unilateral control over
    the operations and management decisions. TeleRoss Operating Company's
    operations are further discussed in "-- Results of
    Operations -- Consolidated Ventures." A significant portion of TeleRoss
    Operating Company's costs of revenue consists of settlement fees paid to the
    TeleRoss Ventures, with such fees being recorded as revenue by the TeleRoss
    Ventures. In 1996 and for the nine months ended September 30, 1997, all of
    the TeleRoss Ventures' revenue was derived from such fees. Any decline in
    the business or operations of the TeleRoss Ventures would have a material
    adverse effect on the results of TeleRoss Operating Company.
 
(2) TeleRoss Ventures is comprised of thirteen joint ventures that are 50%
    beneficially owned by GTS, which originate traffic and provide local
    termination of calls through agency arrangements with TeleRoss Operating
    Company. GTS does not exercise unilateral control over the TeleRoss Ventures
    and therefore, they are appropriately accounted for under the equity method
    of accounting. TeleRoss Ventures' operations are further discussed in
    "-- Results of Operations -- Non-Consolidated Ventures (Equity Investees)."
 
(3) GTS has reached an agreement in principle to purchase its minority partner's
    33% interest in Sovam and expects to close the transaction in February 1998,
    thereby making Sovam a wholly owned subsidiary of GTS.
 
(4) GTS conducts its cellular operations through (i) Vostok Mobile, a wholly
    owned GTS venture which owns between 50% and 70% of a series of 11 cellular
    joint ventures in various regions in Russia, (ii) PrimTelefone, a 50% owned
    venture in Vladivostok, Russia and (iii) Bancomsvyaz, an approximately 25%
    beneficially owned venture in Kiev, Ukraine.
 
(5) As of July 16, 1997, HER is accounted for by the consolidation as opposed to
    the equity method of accounting.
 
                                       33
<PAGE>   37
 
RESULTS OF OPERATIONS -- CONSOLIDATED VENTURES
 
     Management's discussion included within "-- Results of
Operations -- Consolidated Ventures" reflects the following significant
operating ventures: TeleRoss Operating Company, GTS-Hungary, CzechNet and
CzechCom (collectively the "Czech Companies") and HER (for fiscal 1997). See
"Results of Operations -- Non-Consolidated Ventures (Equity Investees)" for a
discussion of the operating results of Sovintel, TCM, Sovam, TeleRoss Ventures,
GTS Cellular, HER (prior to fiscal 1997), GTS-Monaco Access, EuroHivo and the
Asia business ventures.
 
  Nine Months Ended September 30, 1997 compared to Nine Months Ended September
30, 1996
 
     Revenue. The Company's consolidated revenue for the nine months ended
September 30, 1997 increased by $15.6 million to $30.2 million, an increase of
over 100% from the comparable period in 1996. TeleRoss Operating Company's
growth accounted for approximately 54.3% of the Company's total revenue over the
nine months ended September 30, 1997.
 
     The CIS region's consolidated revenue was $17.8 million for the nine months
ended September 30, 1997, of which TeleRoss' revenue comprised 92.1%. TeleRoss
Operating Company's revenue increased by $10.3 million to $16.4 million for the
nine months ended September 30, 1997, from the comparable period in 1996.
Service revenue represented approximately 69.5% of the total TeleRoss Operating
Company revenue for the nine months ended September 30, 1997. The remaining
revenue generated by TeleRoss Operating Company was primarily related to
equipment sales and installation revenue of $2.9 million and $1.8 million for
the nine months ended September 30, 1997 and 1996, respectively.
 
     Within the Central Europe region, GTS-Hungary and the Czech Companies
accounted for 100% of the $9.5 million in revenue earned for the nine months
ended September 30, 1997. GTS-Hungary's revenue increased by $1.4 million to
$5.9 million for the nine months ended September 30, 1997, from the comparable
period in 1996, largely due to a 25.0% increase in the number of VSATs installed
since September 1996. Revenue of the Czech Companies, which provide a range of
international telephone, private data and internet access services, increased by
$2.4 million to $3.6 million, for the nine months ended September 30, 1997, from
the comparable period in 1996, primarily due to increased voice and internet
traffic and lease line services.
 
     All of Western Europe's consolidated revenue of $2.3 million for the nine
months ended September 30, 1997 was derived from HER's initial Amsterdam to
Brussels route.
 
     Gross Margin. GTS's consolidated gross margin was $1.9 million and $1.8
million, or 6.3% and 12.3% of total revenue, for the nine months ended September
30, 1997 and 1996, respectively. The decrease in consolidated gross margin as a
percentage of revenue was attributable to the consolidation of HER in fiscal
1997.
 
     TeleRoss Operating Company had a gross margin of $1.0 million and $(1.0)
million for the nine months ended September 30, 1997 and 1996, respectively.
GTS-Hungary had gross margins of $2.7 million and $1.9 million for the nine
months ended September 30, 1997 and 1996, respectively (representing 45.8% and
42.2% of GTS-Hungary's revenue during these periods). The remaining consolidated
gross margin of $(1.8) million and $0.9 million for the nine months ended
September 30, 1997 and 1996, respectively, was primarily attributable to HER,
which generated a negative gross margin of $(3.2) million for the nine months
ended September 30, 1997, and to the Czech Companies, which generated gross
margin of $0.9 million and $0.2 million for the nine months ended September 30,
1997 and 1996, respectively.
 
     Operating Expenses. Consolidated operating costs were $52.1 million and
$35.7 million for the nine months ended September 30, 1997 and 1996,
respectively. The increase in operating costs reflected the growth in
expenditures associated with building business infrastructure, the inclusion of
HER's operating expenses and increasing corporate staff.
 
     Equity in (Losses)/Earnings of Ventures. GTS recognized losses from its
investments in non-consolidated ventures of $18.2 million and $7.0 million for
the nine months ended September 30, 1997 and 1996, respectively. Included in
these losses were $7.3 million and $5.1 million for the nine months ended
September 30, 1997 and 1996, respectively, that related to GTS's ownership share
of the losses incurred. Also
 
                                       34
<PAGE>   38
 
included in the losses for the nine months ended September 30, 1997 was a
write-off of approximately $5.4 million, which represented the net balance of
certain investments in and advances to ventures in Asia (primarily Beijing
Tianmu and V-Tech) and Central Europe (Eurohivo) which were stated in excess of
their net realizable value. The Company followed the authoritative guidance as
prescribed by APB No. 18. "The Equity Method of Accounting for Investments in
Common Stock" ("APB No. 18") for its determination of the $5.4 million charge.
The Company's recoverability analysis was based on its projected undiscounted
cash flows of their equity investees since this is the lowest level of cash flow
information available. The underlying reasons for the write-down of the
Company's investments were the result of the problems that are more specifically
addressed in Results of Operations -- Non-Consolidated Ventures (Equity
Investees) -- Asia. Additionally, included within GTS's ownership share of the
losses (of the $14.4 million, approximately $13.5 million related to the
write-off of advances to several Chinese owned operating telecommunications
companies to which the Company provides technical and financial assistance and
$0.9 million related to the write-off of inventories, receivables, and other
assets) incurred and the Excess Losses for the nine months ended September 30,
1997 is approximately $14.4 million of losses which represented the Company's
share of asset write-offs recorded by certain of the ventures in Asia (Beijing
Tianmu and V-Tech). See "-- Results of Operations -- Non-Consolidated Ventures
(Equity Investees) -- Asia." The Company would have recognized earnings from its
investments in non-consolidated ventures of $1.6 million for the nine months
ended September 30, 1997, had the Company not recognized the write-downs of
investments and assets of approximately $5.4 million and $14.4 million,
respectively. The write-down of Central Europe's investment in EuroHivo was a
result of the Company's decision in the third quarter to recognize the
contingent liabilities associated with the expected liquidation and
discontinuation of EuroHivo's operations as of September 30, 1997. In addition,
the Company's results were negatively affected by the recognition of Excess
Losses of $5.5 million and $1.9 million for the nine months ended September 30,
1997 and 1996, respectively. As of September 30, 1997, $9.7 million represents
the net unrecovered Excess Losses for the Company's equity method investments,
respectively, that is expected to favorably benefit future period results from
operations upon the Company's existing equity method business ventures becoming
profitable. CIS' ventures, primarily Sovintel and TCM (with combined earnings to
the Company of $11.6 million and $8.3 million for the nine months ended
September 30, 1997 and 1996, respectively), generated earnings for the Company
of approximately $8.2 million and $5.0 million for the nine months ended
September 30, 1997 and 1996, respectively, which partially offset losses
generated by other ventures. See "-- Results of Operations -- Non-Consolidated
Ventures (Equity Investees)." See Footnote 3 in the Company's Consolidated
Financial Statements.
 
     Interest, Net. GTS incurred interest expenses of $21.1 million and $7.3
million for the nine months ended September 30, 1997 and 1996, respectively.
Interest expense is comprised of interest accrued from debt maturing within one
year, long-term debt obligations, amortization of debt discount on the long-term
debt obligations and various other debt instruments. The increase in interest
expense was primarily related to the issuance of $144.8 million in Convertible
Bonds in July 1997 and $265.0 million in senior notes raised in August 1997 by
HER. See "-- Liquidity and Capital Resources."
 
     GTS earned interest income of $5.3 million and $1.5 million for the nine
months ended September 30, 1997 and 1996, respectively, primarily as a result of
investing the proceeds from equity and debt offerings in various highly liquid
investments.
 
     Provision for Income Taxes. The Company's consolidated tax provision was
$1.8 million and $1.0 million for the nine months ended September 30, 1997 and
1996, respectively. The Company's income tax rates are significantly affected by
foreign taxes and the utilization of net operating losses. In addition, the
Company operates worldwide in numerous tax jurisdictions. As a result, losses
incurred in one jurisdiction may not be available to offset income in another.
 
  Year Ended December 31, 1996 compared to Year Ended December 31, 1995 and
  compared to Year Ended December 31, 1994
 
     Revenue. The Company's consolidated revenue was $24.1 million, $8.4 million
and $2.5 million for the years ended December 31, 1996, 1995 and 1994,
respectively. The growth in revenue was attributable to the commencement in 1995
of commercial operations by TeleRoss Operating Company, as well as the continued
expansion of services and customer base in Central Europe.
 
     TeleRoss Operating Company generated revenue of $9.2 million and $3.8
million, representing 38.2% and 45.2% of the Company's consolidated revenue for
the years ended December 31, 1996 and 1995, respectively.
 
                                       35
<PAGE>   39
 
Service revenue represented 64.1% and 21.1% of TeleRoss Operating Company's
revenue for the years ended December 31, 1996 and 1995, respectively, with the
balance of its revenue in such periods principally represented by equipment
sales. The growth in revenue was a result of increased traffic volume generated
by the TeleRoss Ventures as they expanded to seven new cities during the year
ended December 31, 1996, added customers in existing cities and installed
several VSATs at customer locations outside of cities in which they have a
presence.
 
     GTS-Hungary and the Czech Companies accounted for $6.9 million and $2.3
million of the Company's consolidated revenue in 1996, respectively, compared to
$4.2 million and $0.3 million in 1995, respectively, and $1.3 million and none
in 1994, respectively. The growth in revenue of GTS-Hungary from 1994 to 1996
was due to the expansion of its customer base and the introduction of microwave
technology services. The Hungary state lottery accounted for 55.3%, 65.0% and
67.2% of GTS-Hungary's revenue in 1996, 1995 and 1994, respectively. The growth
in revenue of the Czech Companies was generated through increases in voice
traffic carried from sixteen buildings at December 31, 1996 as compared to eight
buildings at December 31, 1995.
 
     Gross Margin. GTS's consolidated gross margin was $5.2 million, or 21.6% of
revenue, for the year ended December 31, 1996 and $0.02 million, or 0.0% of
revenue, for the years ended December 31, 1995 and 1994.
 
     TeleRoss Operating Company incurred a negative gross margin of $1.0 million
for both the years ended December 31, 1996 and 1995 which was the result of the
high fixed cost component of its network hub in Moscow. GTS-Hungary had a gross
margin of $3.0 million, $1.7 million and $(0.3) million, representing 43.5%,
40.5% and (23.1)% of GTS-Hungary's revenue for the years ended December 31,
1996, 1995 and 1994, respectively. The favorable gross margin trend reflected
the increased utilization of GTS-Hungary's 1,000 VSAT capacity hub located in
Budapest. The remaining gross margin of $3.2 million for the year ended December
31, 1996 was attributable to the higher margin sales of equipment and consulting
services.
 
     Operating Expenses. Consolidated operating costs were $52.9 million, $41.0
million and $12.9 million for the years ended December 31, 1996, 1995 and 1994,
respectively. The increase in operating costs reflected the growth in
expenditures associated with building business infrastructure for primarily the
TeleRoss Operating Company and GTS-Hungary and increasing corporate staff.
 
     Equity in (Losses)/Earnings of Ventures. GTS recognized losses from its
investments in non-consolidated ventures of $10.2 million, $7.9 million and $0.1
million for the years ended December 31, 1996, 1995 and 1994, respectively.
Included in these losses were $5.7 million, $5.2 million and $0.1 million for
the years ended December 31, 1996, 1995 and 1994, respectively, that related to
GTS's ownership share of the losses. In addition, the Company's results were
negatively affected due to the recognition of Excess Losses of $4.5 million and
$2.7 million for the years ended December 31, 1996 and 1995, respectively. See
"--Overview." The Company would have recognized additional losses of $8.2
million and $3.3 million for the years ended December 31, 1996 and 1995,
respectively, had the Company been considered the financing partner of HER
during those time periods. The Company's losses from its ventures were primarily
the result of most of its ventures being in the early stages of operations.
Sovintel and TCM, however, generated combined earnings of $11.8 million and $3.8
million for the years ended December 31, 1996 and 1995, respectively, which
partially offset losses generated by other ventures.
 
     Other Non-Operating Income. Favorably affecting the 1995 results was the
non-recurring $10.3 million gain the Company recognized as a result of its cash
settlement of certain claims with a third party in 1995.
 
     Interest, Net. GTS incurred interest expense of $11.1 million, $0.7 million
and $0.1 million for the years ended December 31, 1996, 1995 and 1994,
respectively. The increase in interest expense was due to the $60.0 million
increase in debt during 1996. See "--Liquidity and Capital Resources."
 
     GTS earned interest income of $3.6 million, $2.2 million and $1.2 million
for the years ended December 31, 1996, 1995 and 1994, respectively, primarily as
a result of investing the proceeds from private placements of common stock in
various highly liquid investments.
 
     Provision for Income Taxes. The Company's consolidated tax provision was
$1.4 million and $2.6 million for the years ended December 31, 1996 and 1995,
respectively. These rates were significantly affected by foreign taxes and the
utilization of net operating losses. In addition, the Company operates
world-wide in
 
                                       36
<PAGE>   40
 
numerous tax jurisdictions. As a result, losses incurred in one jurisdiction may
not be available to offset income in another. The Company had no income tax
expense for the year ended December 31, 1994.
 
RESULTS OF OPERATIONS -- NON-CONSOLIDATED VENTURES (EQUITY INVESTEES)
 
  Nine Months Ended September 30, 1997 compared to Nine Months Ended September
  30, 1996
 
     RUSSIA -- CIS
 
     Sovintel. Sovintel's revenue increased by 57.7% to $82.0 million for the
nine months ended September 30, 1997, from $52.0 million for the comparable
period in 1996. The increase in revenue was primarily the result of
telecommunications services revenue, which increased to $61.5 million for the
nine months ended September 30, 1997, from $34.9 million for the nine months
ended September 30, 1996, due to the Moscow customer base growth and traffic
from other GTS ventures that generated increased volume of outgoing
international and domestic minutes carried by Sovintel. Incoming international
revenue grew significantly by $3.6 million to $9.9 million for the nine months
ended September 30, 1997, from the comparable period in 1996. Included in
Sovintel's 1997 traffic revenue was $8.7 million for the nine months ended
September 30, 1997, that was related to customers using phone numbers provided
by TCM. This revenue was derived primarily from international/long distance
traffic and local traffic. Sovintel and TCM have an arrangement whereby Sovintel
reimburses TCM 50% of installation charges, monthly fees and local traffic
revenues and approximately 33% of the international/long distance billings from
TCM-supplied phone numbers.
 
     Sovintel's non-traffic related revenue increased to $20.6 million for the
nine months ended September 30, 1997, from $16.7 million for the comparable
period in 1996. In March 1997, Sovintel's historically largest customer for port
sales revenue, MTS, received its own numbering plan. Accordingly, management
expects revenue from port sales to continue to decline.
 
     Sovintel's gross margin percentage decreased to 37.8% for the nine months
ended September 30, 1997, as compared to 41.1% for the comparable period in
1996, in part due to a general price decrease implemented in April 1997.
 
     Operating expenses were $12.3 million and $7.3 million, or 15.0% and 14.0%
of total revenue, for the nine months ended September 30, 1997 and 1996,
respectively. The increase in operating expenses for the nine months ended
September 30, 1997 was related to an increase in turnover taxes associated with
revenues, and also increased personnel, advertising and sales force costs
required to support Sovintel's growth.
 
     Income tax expense was $4.1 million and $3.9 million for the nine months
ended September 30, 1997 and 1996, respectively.
 
     TCM. TCM's revenue grew 64.9% to $20.7 million for the nine months ended
September 30, 1997, from the comparable period in 1996. TCM's gross margin was
$16.0 million and $10.3 million, or 77.3% and 81.7% of total revenue, for the
nine months ended September 30, 1997 and 1996, respectively. The decrease in
gross margin as a percentage of revenue was attributable to higher
infrastructure and settlement costs. Operating expenses were $2.0 million and
$1.2 million, or 9.7% and 9.5% of total revenue, for the nine months ended
September 30, 1997 and 1996, respectively.
 
     Sovam. Sovam's revenue increased by 61.3% to $12.9 million for the nine
months ended September 30, 1997, from the comparable period in 1996. Sovam's
revenue was derived primarily from data services, network capabilities and
application revenues. The increase in revenue is primarily attributable to the
expansion of Sovam's network throughout Russia and the CIS and the improvement
in the quality of Internet services due to increased international bandwidth.
 
     Sovam's gross margin was $5.0 million, or 38.8% of total revenue, for the
nine months ended September 30, 1997, up from $2.1 million, or 26.3%, for the
nine months ended September 30, 1996. Operating expenses were $4.6 million and
$4.2 million, or 35.7% and 52.5% of total revenue, for the nine months ended
September 30, 1997 and 1996, respectively.
 
     TeleRoss Ventures. Revenue for the TeleRoss Ventures for the nine months
ended September 30, 1997 and 1996 was $5.1 million and $1.3 million,
respectively. The increase in revenues reflected growth in settlement fees
charged to the TeleRoss Operating Company. The settlement fees are based on
minutes of use by regional customers in the core switched voice services, as
well as installation work and equipment sales.
                                       37
<PAGE>   41
 
     Gross margin was $3.7 million and $0.8 million, or 72.5% and 61.5% of total
revenue, for the nine months ended September 30, 1997 and 1996, respectively.
Operating expenses of $2.5 million and $1.5 million were incurred for the nine
months ended September 30, 1997 and 1996, respectively.
 
     GTS Cellular. The Company operates three cellular networks through
differing ownership structures; Vostok Mobile, Prim Telefone and Bancomsvyaz.
 
     Revenue for Vostok Mobile increased by 41.5% from $10.6 million to $15.0
million for the nine months ended September 30, 1997, from the comparable period
in 1996, as a result of increased subscribership to approximately 11,000 at
September 30, 1997. Vostok Mobile's gross margin was $7.6 million and $5.3
million, or 50.7% and 50.0% of total revenue, for the nine months ended
September 30, 1997 and 1996, respectively. Operating expenses were $4.8 million
and $5.4 million for the nine months ended September 30, 1997 and 1996,
respectively. The higher operating costs in 1996 was attributed to development
and start-up expenses related to new business ventures.
 
     Revenue for PrimTelefone increased by 43.9% to $8.2 million for the nine
months ended September 30, 1997, from the comparable period in 1996, due to an
increase in subscribership to approximately 4,600 as of September 30, 1997.
 
     PrimTelefone's gross margin was $4.7 million and $3.0 million, or 57.3% and
52.6% of total revenue, for the nine months ended September 30, 1997 and 1996,
respectively. Operating expenses were $2.7 million and $1.5 million, or 32.9%
and 26.3% of total revenue, for the nine months ended September 30, 1997 and
1996, respectively.
 
     Revenues for Bancomsvyaz was $4.0 million for the nine months ended
September 30, 1997, with a gross margin of $1.5 million and operating expenses
of $3.4 million for the nine months ended September 30, 1997, respectively.
 
     WESTERN EUROPE
 
     GTS-Monaco Access. In 1997, GTS-Monaco Access revenue increased
significantly to $7.9 million for the nine months ended September 30, 1997, from
$2.2 million for the same period in 1996. The increase was the result of a
substantially larger traffic base and number of countries covered under the
network. Gross margin for the nine months ended September 30, 1997 and 1996 was
$0.4 million and $(0.3) million, respectively. In January 1998 GTS-Monaco Access
terminated its relationship with a major traffic partner which is expected to
result in a loss of approximately $6.0 million of revenues and a reduction to
gross margin of less than $0.1 million in 1998. See "Business -- Western
Europe -- GTS-Monaco Access."
 
     CENTRAL EUROPE
 
     Eurohivo. Eurohivo's operating results were minimal for the nine months
ended September 30, 1997 and 1996. In September 1997, the Company recorded a
$2.4 million charge in the third quarter to recognize the contingent liabilities
associated with the planned liquidation and discontinuance of Eurohivo's
operations. See Footnote 2 in the Company's condensed consolidated financial
statements for additional disclosures related to Eurohivo.
 
     ASIA
 
     Most of the Company's ventures within the Asia region were in the start-up
phase and had not commenced operations in 1996. The non-consolidated ventures in
the Asia region had no revenue for the nine months ended September 30, 1997, and
had minimal revenue of $0.5 million for the nine months ended September 30,
1996. During the nine months ended September 30, 1997, the V-Tech and Beijing
Tianmu business ventures (the "Asia Ventures") determined that a charge of $14.4
million (GTS's portion) was appropriate in the quarter as a result of the
write-off of $13.5 million of advances to several Chinese owned operating
telecommunications companies to which the Asia Ventures provide technical and
financial assistance and $0.9 million related to the write-off of inventories,
receivables and other assets. The Asia Ventures followed the authoritative
guidance as prescribed by SFAS No. 121, "Accounting for the Impairment of
Long-Lived Assets and for Long-Lived Assets to Be Disposed Of " for their
determination of the $13.5 million charge as they believed that the advances, as
evidenced by legal agreements between the
                                       38
<PAGE>   42
 
Asia Ventures and the underlying operating telecommunications companies,
represents long-lived assets. (The Asia Ventures would have reflected the same
charge had they followed the authoritative accounting guidance as prescribed by
APB No. 18 or SFAS No. 5, "Accounting for Contingencies"). The Asia Ventures
recoverability analysis was based on their projected undiscounted cash flows of
their respective operations since this is the lowest level of cash flow
information available. The underlying reasons for the write-offs were the result
of problems dealing with one of the Asian partners; the inability of the Chinese
operating telecommunications companies to develop markets for their services;
and technical problems, all of which surfaced during the third quarter 1997. See
Footnote 2 in the Company's condensed consolidated financial statements for
additional disclosures related to the Company's Asia operations.
 
 Year Ended December 31, 1996 compared to Year Ended December 31, 1995 and
 compared to Year Ended December 31, 1994
 
     RUSSIA -- CIS
 
     Sovintel. Sovintel's revenue for the years ended December 31, 1996, 1995
and 1994 was $75.0 million, $44.3 million, and $20.7 million, respectively.
Sovintel's revenue was derived from telecommunications services, including
international, domestic and local traffic, and other non-traffic related revenue
associated with port and equipment sales, leased line installation and
maintenance. Telecommunications services traffic revenue was $50.8 million,
$26.8 million and $19.5 million, representing 67.7%, 60.5% and 94.2% of
Sovintel's total revenue, for the years ended December 31, 1996, 1995 and 1994,
respectively.
 
     Revenue from outgoing international, domestic long distance and Moscow
local traffic was $44.0 million, $24.6 million and $18.0 million for the years
ended December 31, 1996, 1995 and 1994, respectively. This growth was due to
Sovintel's increased customers in Moscow and traffic from other GTS ventures.
Sovintel began providing Moscow local access services in 1995. Revenue from
incoming international minutes was $6.8 million, $2.2 million and $1.5 million
for the years ended December 31, 1996, 1995 and 1994, respectively. Included in
Sovintel's 1996 traffic revenue was $5.0 million from customers using phone
numbers provided by TCM.
 
     Sovintel's non-traffic related revenue of $24.2 million, $17.5 million and
$1.2 million for the years ended December 31, 1996, 1995 and 1994, respectively,
was primarily attributable to non-recurring port sales revenues of $12.4 million
and $14.4 million for the years ended December 31, 1996 and 1995, respectively.
Included in 1996 non-traffic related revenue was $3.7 million from one-time
installation charges related to TCM-supplied phone numbers. There were no
significant port sales in 1994.
 
     Sovintel's gross margin was $31.1 million, $18.0 million and $8.2 million,
or 41.5%, 40.6% and 39.6% of revenue, for the years ended December 31, 1996,
1995 and 1994, respectively. The gross margin percentage remained relatively
unchanged over the past three years as the decrease in average revenue per
minute for international and intercity calls was partially offset by the
decrease in average settlement cost per minute.
 
     Operating expenses were $10.3 million, $7.1 million and $4.6 million, or
13.7%, 16.0% and 22.2% of total revenue, for the years ended December 31, 1996,
1995 and 1994, respectively. Turnover taxes and personnel related costs
comprised the majority of the increase in selling, general and administrative
costs. The increase in personnel related costs reflected the growth in sales and
general operations of Sovintel.
 
     Income tax expense was $5.2 million and $2.6 million for the years ended
December 31, 1996 and 1995, respectively. The increase in income tax expense was
attributable to Sovintel's profitable operations. According to Russian
Federation tax holiday provisions, Sovintel was exempt from income taxes for a
two-year period beginning with the first year of taxable income, which was in
1993.
 
     TCM. TCM's total revenue was $16.5 million for the year ended December 31,
1996 and had minimal activities in 1995. TCM had a gross margin of $13.2
million, or 80.0% of total revenue, and operating expenses of $1.9 million, or
11.5% of total revenue, for the year ended December 31, 1996.
 
                                       39
<PAGE>   43
 
     Sovam. Sovam's revenue was $11.7 million, $4.4 million and $3.3 million for
the years ended December 31, 1996, 1995 and 1994, respectively. The increase in
revenues is primarily attributable to the wider variety of service offerings,
including the introduction of Russia On Line services.
 
     Gross margin was $3.4 million, $1.5 million and $1.8 million, or 29.1%,
34.1% and 54.5% of total revenue for the years ended December 31 in 1996, 1995
and 1994, respectively. The decline in gross margin as a percentage of revenue
was reflective of the higher cost of sales component in Sovam's recently
introduced products. Operating expenses were $5.7 million, $3.3 million and $2.1
million, or 48.7%, 75.0% and 63.6% of total revenue, for the years ended
December 31, in 1996, 1995 and 1994, respectively.
 
     TeleRoss Ventures. Revenues for TeleRoss Ventures for the years ended
December 31, 1996 and 1995 were $2.4 million and $0.2 million, respectively.
Revenues resulted from settlement fees charged to TeleRoss Operating Company.
The growth in total revenue was the result of steady growth in sales of core
switched voice services in the five cities serviced in 1995 as well as the
addition of seven new cities to the network in 1996.
 
     Gross margin for the years ended December 31, 1996 and 1995 was $1.6
million and $0.1 million, respectively. Operating expenses of $2.3 million and
$0.2 million were incurred for the years ended December 31, 1996 and 1995,
respectively.
 
     GTS Cellular. The Company operates three cellular networks through
differing ownership structures: Vostok Mobile, PrimTelefone and Bancomsvyaz.
 
     Revenue for Vostok Mobile was $16.5 million and $2.0 million for the years
ended December 31, 1996 and 1995, respectively. Vostok Mobile's gross margin was
$9.3 million and $1.1 million, or 56.4% and 55.0% of total revenue, and
operating expenses were $9.2 million and $4.7 million for the year ended
December 31, 1996 and 1995, respectively.
 
     Revenue for PrimTelefone was $8.4 million and $2.2 million for the years
ended December 31, 1996 and 1995, respectively. PrimTelefone's gross margin was
$4.7 million and $0.6 million, or 56.0% and 27.3% of total revenue, and
operating expenses were $3.7 million and $0.7 million for the years ended
December 31, 1996 and 1995, respectively.
 
     Bancomsvyaz did not have significant operations until 1997.
 
     WESTERN EUROPE
 
     HER. HER represents substantially all of GTS's investment in the Western
Europe region. A small operational revenue stream was earned in 1996.
 
     Operating expenses were $16.0 million, $6.7 million and $0.2 million for
the years ended December 31, 1996, 1995 and 1994, respectively. The increase in
selling, general and administrative expenses reflected HER's continued
transition from the start-up phase to the operational phase.
 
     GTS-Monaco Access. Limited international traffic was carried from GTS
subsidiaries through GTS-Monaco Access for termination worldwide during 1995
which resulted in minimal revenues earned. Total revenue was $3.9 million and
gross margin was $(0.4) million for the year ended December 31, 1996.
 
     CENTRAL EUROPE
 
     EuroHivo. EuroHivo's revenue was $1.0 million and $0.5 million for the
years ended December 31, 1996 and 1995, respectively. Although revenue improved
significantly during 1996, EuroHivo continued to show negative gross margins of
$(0.2) million and $(0.5) million for the years ended December 31, 1996 and
1995, respectively. Furthermore, operating expenses decreased to $1.9 million
for the year ended December 31, 1996 from $2.4 million for the year ended
December 31, 1995 despite a 64.0% increase in personnel during 1996. This was
primarily attributable to management's decision to grow revenue through
alternative measures resulting in significant reductions to advertising
expenditures in 1996.
 
     ASIA
 
     Most of the Company's ventures within the Asia region were in the start-up
phase and had not commenced operations in 1996. The non-consolidated ventures in
the Asia region had revenue of $7.0 million
 
                                       40
<PAGE>   44
 
and $0.0 million for the years ended December 31, 1996 and 1995, respectively.
The revenue in 1996 consisted principally of equipment sales. The Company
believes that future revenue will be derived primarily from providing
telecommunications engineering and consulting services.
 
LIQUIDITY AND CAPITAL RESOURCES
 
     The telecommunications business is capital intensive. The Company generally
is the primary source of funding for its ventures, both for working capital and
capital expenditures. Under a typical arrangement, GTS's venture partner
contributes the necessary licenses or permits under which the venture will
conduct its business, office space and other equipment. GTS's contribution is
generally cash and equipment, but may consist of other specific assets as
required by the joint venture agreement.
 
     The Company has raised capital through the issuance of equity securities
and through various debt agreements. The issuance of equity securities has
raised $36.5 million, $107.7 million, $42.1 million and $62.1 million in 1997,
1996, 1995 and 1994, respectively, net of placement fees, for a total of $248.4
million. In addition, the Company and HER received $409.8 million, $60.0 million
and $23.3 million in 1997, 1996 and 1995, respectively, for a total of $493.1
million under various debt agreements. Included within the debt proceeds
identified above, the Company received $3.5 million, $60.0 million and $10.0
million in 1997, 1996 and 1995, respectively, from lenders who are affiliated
with, and are considered related parties to, the Company as a result of their
(or their affiliates) ownership of the Company's Common Stock.
 
     The Company had working capital of $353.4 million and $66.5 million as of
September 30, 1997 and 1996, respectively. Approximately $190.0 million of the
$353.4 million of working capital at September 30, 1997, is intended to be used
for the buildout of the HER Network. The Company had an accumulated deficit of
$213.8 million as of September 30, 1997, including a net loss of approximately
$87.9 million and $48.5 million for the nine months ended September 30, 1997 and
1996, respectively. During 1997, the Company has incurred and expects to
continue to incur substantial expenditures to fund the working capital
requirements of its ventures, to provide capital equipment for certain of its
ventures, and to engage in new development and acquisitions.
 
     GTS will require substantial capital investment to execute its business
plans and to fund expected operating losses. Management expects that GTS and its
ventures will incur over $515.0 million of capital expenditures during the next
three fiscal years, of which approximately $235.0 million will be incurred in
1998. The Company has obtained funds in 1997 through a variety of financing
arrangements, including (i) the issuance in September 1997 of $39.2 million of
Common Stock in a private placement of equity with a value of $15.67 per common
share, (ii) the issuance in August 1997 of $265.0 million in gross proceeds (of
which $56.6 million was placed into escrow to fund the first two years' interest
payments) of 11.5% Senior Notes by HER that may be redeemed upon the successful
completion of a complying equity offering or meeting other certain criteria, and
(iii) the issuance in July and August 1997 of $144.8 million in gross proceeds
of the Convertible Bonds by GTS, that are convertible into Common Stock upon the
Company's completion of a complying equity offering.
 
     The Company believes that the net proceeds from the Offerings, together
with existing cash, will be sufficient to fund its expected capital needs until
at least June 1999. The Company expects that it may require additional capital
to execute its current business plan and to fund expected operating losses, as
well as to consummate future acquisitions and exploit opportunities to expand
and develop its businesses. There can be no assurances that the Company will be
able to consummate additional financing on favorable terms. As a result, the
Company may be subject to additional or more restrictive financial covenants,
its interest obligations may increase significantly and its existing
shareholders may be adversely diluted. Failure to generate sufficient funds in
the future, whether from operations or by raising additional debt or equity
capital, may require the Company to delay or abandon some or all of its
anticipated expenditures, to sell assets, or both, either of which could have a
material adverse effect on the operations of the Company.
 
  HER
 
     Construction of the HER fiber optic network is one of the Company's most
significant business activities. The buildout of the network is expected to
require approximately $290.0 million of capital expenditures during fiscal year
1998 and thereafter, with approximately $35.0 million required for the initial
five country network.
 
                                       41
<PAGE>   45
 
As of September 30, 1997, approximately $27.6 million has been spent on network
capital expenditures. In August 1997, HER completed the issuance of $265.0
million in gross proceeds of 11.5% Senior Notes due in August 2007. The Senior
Notes are general unsecured obligations of HER. HER currently estimates that its
capital resources will be sufficient to fund operations and expected network
development through December 1998, at which time it may be required to obtain
additional funds. Sources of capital to fund network development after 1998 may
include internally generated funds, bank debt and vendor financing. HER is
currently in discussion with a number of financial institutions to obtain debt
financing and to negotiate vendor financing with key suppliers of network
equipment. Any failure to obtain necessary financing may require HER to delay or
abandon its plans for deploying the remainder of the network and would
jeopardize the viability of HER, or may require the Company to make additional
capital contributions to HER at the expense of the Company's other operations,
either of which could have a material adverse effect on the operations of the
Company. There can be no assurance that GTS or its partners in HER would have
sufficient capital to make contributions to HER, or that they would be willing
to do so.
 
     Pursuant to the Recapitalization, HER offered to GTS-Hermes, HIT Rail and
the eleven individual members of the HIT Rail consortium the right to subscribe
to additional common stock of the Company. GTS-Hermes and two of the members of
HIT Rail exercised their rights, while HIT Rail and the nine remaining members
of HIT Rail declined to participate.
 
     As a result of the finalization of the Recapitalization, total shareholder
loans of ECU 39.4 million (approximately $48.5 million) from, collectively,
GTS-Hermes, HIT Rail and two of the members of HIT Rail, were converted into
equity. Additionally, GTS-Hermes contributed ECU 46.0 million (approximately
$51.8 million) and one of the members of HIT Rail contributed a ten-year fiber
optic cable lease which was valued at ECU 1.8 million (approximately $2.0
million). The ownership of HER subsequent to the recapitalization was as
follows: GTS-Hermes, 79.08%; HIT Rail, 12.63%; and the two members of HIT Rail
combined, 8.29%. See "Business -- Western Europe -- HER -- HER
Recapitalization."
 
  Liquidity Analysis
 
     The Company had cash and cash equivalents of $366.8 million and $86.5
million as of September 30, 1997 and 1996, respectively. Approximately $190.0
million of the $366.8 million of cash and cash equivalents at September 30,
1997, is intended to be used for the build-out of the HER network. The Company
had restricted cash of $59.8 million and $3.9 million as of September 30, 1997
and 1996, respectively. Restricted cash included amounts held in escrow to pay
the first two years' interest payments on the Senior Notes of HER, amounts held
for equipment purchases under various debt agreements, and cash maintained in
foreign financial institutions that may not be readily convertible into dollars
or easily repatriated.
 
     During the nine months ended September 30, 1997 and 1996, the Company used
$38.9 million and $31.8 million, respectively, of cash for operating activities.
Cash used for investing activities was $73.0 million and $48.0 million for the
nine months ended September 30, 1997 and 1996, respectively. The use of cash in
operations and for investing activities reflected primarily the development and
buildout of existing telecommunications networks and the funding of fully
operational ventures.
 
     Substantially all of the Company's operations are in foreign countries and
therefore the Company's consolidated financial results are subject to
fluctuations in currency exchange rates. The Company's consolidated operations
transact their business in the following significant currencies: Russian Ruble,
Hungarian Forint, Belgian Franc and the European Currency Unit. For those
operating companies that transact their business in currencies that are not
readily convertible, the Company attempts to minimize its exposure by indexing
its invoices and collections to the applicable dollar/foreign currency exchange
rate to the extent its costs (including interest expense, capital expenditures
and equity) are incurred in U.S. dollars. Although the Company will continue to
attempt to match revenues, costs, borrowing and repayments in terms of their
respective currencies, the Company may experience economic loss and a negative
impact on earnings with respect to holdings solely as a result of foreign
currency exchange rate fluctuations, which include foreign currency devaluations
against the U.S. dollar. Furthermore, certain of the Company's operations have
notes payable and notes receivable which are denominated in a currency other
than their own functional currency or loans linked to the U.S. dollar. The
Company may also experience economic loss and a negative impact on earnings
related to these monetary assets and liabilities.
 
                                       42
<PAGE>   46
 
     The Company is in the process of developing risk management policies that
will establish guidelines for managing foreign exchange risk. The Company
expects that these policies will be implemented in the first quarter of 1998,
and anticipates that these policies will allow management to use financial
hedging instruments to manage foreign exchange exposure. Currently, the Company
is considering alternatives to hedge foreign exchange exposure resulting from
the issuance of $265 million in senior notes by HER.
 
YEAR 2000 COMPLIANCE
 
     The Company is currently in the process of assessing its year 2000
compliance costs and of converting its computer systems to year 2000 compliant
software. This process includes obtaining confirmations from the Company's
primary vendors that plans are being developed or are already in place to
address processing of transactions in the year 2000. The Company does not expect
that the cost of converting such systems will be material to its financial
condition or results of operations. The Company currently believes it will be
able to achieve year 2000 compliance by the end of 1999, and currently does not
anticipate any material disruption in its operations as the result of any
failure by the Company to be in compliance or that year 2000 compliance costs
will have a material effect on the Company's earnings.
 
                                       43
<PAGE>   47
 
                                    BUSINESS
 
INTRODUCTION
 
     GTS is a provider of a broad range of telecommunications services to
businesses, other telecommunications service providers and consumers in Russia,
the CIS and Central Europe. Through HER, GTS is developing, and operating the
initial segments of, a pan-European high capacity fiber optic network that is
designed to interconnect a majority of the largest Western and Central European
cities and to transport international voice, data and multimedia/image traffic
for other carriers throughout Western and Central Europe. GTS's strategy to
develop its businesses generally has been to establish joint ventures with a
strong local partner or partners while maintaining a significant degree of
operational control. The Company's business activities consist of the ownership
and operation of (i) international long distance businesses, which operate
through international gateways that provide international switching services and
transmission capacity, (ii) local access networks, which provide local telephone
service, (iii) cellular networks, which provide wireless telecommunications
services, (iv) a domestic long distance business, (v) data networks and (vi)
carriers' carrier networks, which provide high volume transmission capacity to
other carriers.
 
     In Russia and the CIS, GTS's objective is to become the premier alternative
telecommunications operator. To attain its objective, the Company has partnered
with regional telephone companies and with Rostelecom, the national long
distance carrier in Russia. The Company currently operates in 24 oblasts
(regions) and the city of Moscow in Russia, as well as in 11 additional cities
in the CIS, and believes it is well-positioned to become the leading independent
telecommunications service provider in Russia. These businesses include: (i)
Sovintel, which provides Moscow, and recently St. Petersburg, with international
long distance and local telephone services and access to the major domestic long
distance carriers; (ii) TCM, which provides local access services in Moscow;
(iii) TeleRoss, which provides domestic long distance services in fourteen
cities in Russia, including Moscow, as well as VSAT service to customers outside
its primary long distance satellite network; (iv) Sovam, which provides data
services, including high-speed data transmission, electronic mail, Internet
access services, as well as Russia On Line, the first Russian language Internet
service; and (v) GTS Cellular, which operates cellular networks in twelve
regions in Russia and also in Kiev, Ukraine, with licenses covering regions with
an aggregate population of approximately 25 million people at the end of 1996.
Whenever practical, GTS's businesses integrate and co-market their service
offerings in Russia and the CIS, utilizing TeleRoss as the domestic long
distance provider, Sovintel as the international gateway, TCM and GTS Cellular
for local access, and Sovam as the data communications and Internet access
network for business applications and on-line services. Together, GTS's Russian
and CIS ventures carried 202.5 million and 292.0 million minutes of traffic for
the year ended December 31, 1996 and the nine months ended September 30, 1997,
respectively, and had approximately 24,600 customers, including approximately
16,300 cellular subscribers, as of September 30, 1997. See "-- Russia and the
CIS."
 
     In Western Europe, GTS seeks to position itself as the leading independent
carriers' carrier through the development of two ventures, HER and GTS-Monaco
Access. HER's objective is to become the leading pan-European carriers' carrier
by providing centrally managed cross-border telecommunications transmission
capacity to telecommunications companies including traditional PTOs and New
Entrants on an approximately 18,000 kilometer pan-European high capacity fiber
optic network designed to interconnect a majority of the largest Western and
Central European cities. HER is currently operating over an approximately 1,700-
kilometer portion of the network linking Brussels, Antwerp, Rotterdam,
Amsterdam, London and Paris. HER expects the initial five country network to be
placed in operation in the second quarter of 1998. This segment of the network
is expected to deliver managed transport services over approximately 2,900
kilometers of fiber optic cable linking the cities of London, Rotterdam,
Amsterdam, Antwerp, Brussels, Paris, Dusseldorf and Frankfurt. The full 18,000
kilometer network is expected to become fully operational during the year 2000.
HER also plans to lease capacity on a transatlantic cable linking the European
network to North America and is exploring various interconnectivity options to
Russia and Asia. Such intercontinental interconnectivity will help HER to
satisfy the needs of its European customers with respect to outgoing traffic and
to attract additional non-European customers with traffic terminating in Europe.
HER commenced commercial service over the Brussels-Amsterdam portion of the
network in late 1996, and the London-Paris portion in November 1997. GTS-Monaco
Access operates an international gateway in Monaco in partnership with, and
 
                                       44
<PAGE>   48
 
utilizing the existing gateway infrastructure of, the Principality of Monaco and
provides transit and routing of international calls to other telecommunications
operators. Through its HER and GTS-Monaco Access ventures, GTS is building a new
network for transporting voice, data and multimedia/image traffic for other
carriers throughout Western and Central Europe and for worldwide international
voice, data and multimedia/image traffic that either originates or terminates
in, or transits through, Western and Central Europe. See " -- Western Europe."
 
     In Central Europe, GTS's objective is to become one of the leading
alternative telecommunications providers in the region. GTS currently provides
private data communications services to government and commercial customers in
Hungary and the Czech Republic. In the Czech Republic, the Company provides
outgoing voice services and operates an international gateway and a data
services network. In Hungary, GTS operates a VSAT network, which GTS believes is
the largest VSAT network in Central Europe as measured by number of VSAT sites.
The Company has also signed an agreement to provide international data services
in Poland, subject to the receipt of necessary governmental approvals. GTS's
strategy is to expand its service offerings as the regulatory environment
permits, leverage its existing VSAT and international gateway infrastructure
where possible and provide a broad range of services to its target markets. See
" -- Central Europe."
 
     Although GTS does not currently own or operate significant
telecommunication assets in Asia, GTS's objective is to become an established
and diversified telecommunications provider in China and India. GTS seeks to
leverage its position in these countries to capitalize on opportunities as they
arise. See "-- Asia."
 
BUSINESS STRATEGY
 
     GTS seeks to develop businesses to meet the rapidly expanding market demand
for telecommunications services. GTS's goal in emerging markets is to establish
itself as the leading alternative to the incumbent telecommunications service
providers and as a premier provider of value-added services. In addition, the
Company seeks to position itself as the leading independent carriers' carrier
within Western and Central Europe through the development of a pan-European
fiber optic network and an international gateway in Monaco.
 
     GTS believes that it will be able to successfully operate its businesses
and develop business opportunities by pursuing the following strategies:
 
     - Identify and Seize Early Market Opportunities. GTS's primary strategy is
       to identify less developed markets in which the incumbent operator offers
       inadequate service and where liberalization of telecommunications
       regulations may be pending. The Company believes entering these less
       developed markets quickly is a key competitive advantage in the global
       telecommunications market. GTS leverages its management's knowledge of
       the markets in which the Company operates to assess and react quickly
       when attractive business opportunities arise.
 
     - Establish Joint Ventures with Experienced Local Partners. GTS seeks to
       establish and maintain strategic partnerships and relationships with key
       telecommunications operators and service providers in the countries in
       which it operates. The Company believes that these relationships increase
       its ability to anticipate and respond to changes in the regulatory and
       legal environment and assist with license renewal and expansion of its
       operating companies.
 
     - Retain Significant Operational Control. In general, GTS actively
       participates in the management of its ventures by (i) providing most of
       the funding for the ventures' operations, (ii) selecting key members of
       the local management team, (iii) developing business plans and marketing
       strategies together with local management, (iv) monitoring operating
       functions, (v) maintaining close working relationships with local
       partners and (vi) integrating its networks and businesses in a manner
       which is consistent with the Company's overall strategic objectives.
 
     - Build Infrastructure to Provide High Quality Services. GTS continues to
       develop and expand its network infrastructure. The Company believes that
       its networks offer service, quality and cost advantages over incumbent
       providers as a result of the Company's customer support, network
       monitoring, management systems and its ability to integrate and co-market
       its service offerings.
                                       45
<PAGE>   49
 
     - Leverage Management Depth and Experience. GTS's management has
       significant experience in the development and operation of
       telecommunications businesses outside the United States. The Company
       believes that this experience, together with the Company's extensive
       operations, has provided its management with the ability to identify,
       evaluate and pursue international telecommunications business
       opportunities. Additionally, GTS has assembled a management team
       comprised of executives with extensive experience managing
       telecommunications companies in the respective local markets. GTS
       believes that its management team possesses a broad knowledge of relevant
       political and regulatory structures, as well as the cultural awareness
       and fluency with international and local business practices necessary to
       implement the Company's objectives.
 
     - Ability to Access Capital. In general, the Company's financing strategy
       is to establish parent level funding to meet general corporate needs and
       the costs of start-ups and acquisitions and, when it is possible and
       cost-effective, to finance ongoing operations at the venture level. Since
       1993, the Company has raised approximately $268 million in equity and
       approximately $215 million of debt (of which approximately $74 million
       was raised through shareholders). In addition, HER completed a $265
       million private placement of senior notes (of which $56.6 million was
       placed in escrow for the first two years' interest payments) in 1997. The
       Company's principal investors include affiliates of George Soros and Alan
       B. Slifka and certain of his affiliates.
 
     In addition to its overall business strategy, GTS has developed specific
market strategies to achieve its goals in emerging markets and Western Europe.
 
     Emerging Markets. The Company pursues its goals in emerging markets through
a three-stage approach of market entry, market expansion and market integration.
 
     - Market Entry. GTS identifies a market as a suitable target for entry
       based upon: (i) superior growth prospects for such market, demonstrated
       by growing demand for high quality telecommunications services; (ii) the
       provision of inadequate services by incumbent providers, typically
       resulting from the incumbents' unwillingness to offer high quality
       services with reliable customer support at attractive prices; and (iii)
       attractive regulatory environments in which emerging alternative
       telecommunications providers such as GTS have, or expect to have over a
       clearly defined time horizon, the ability to compete on a substantially
       equal basis with the incumbent providers in terms of certain services and
       the cost of providing those services. Once GTS has identified a market as
       suitable for entry, the Company seeks to establish its presence in that
       market by establishing a venture with a strong local partner or partners.
       In general, GTS maintains a significant degree of operational control in
       such ventures. Through such ventures, the Company benefits from its
       partners' ability to provide infrastructure, regulatory expertise and
       personnel that will provide GTS with a competitive advantage in entering
       that market. When entering a new market, GTS's strategy is to provide its
       customers with higher quality service as compared to the services offered
       by incumbent providers.
 
     - Market Expansion. Having entered a market successfully and established a
       limited service offering to its targeted customer base, GTS then seeks to
       expand the range of services it offers to existing and potential
       customers and to further develop its relationships with local partners.
       By broadening its service offerings, GTS anticipates achieving increased
       economies of scale through the common use of administrative and operating
       functions already in place, increasing the Company's share of its
       customers' telecommunications spending and expanding GTS's base of
       potential customers through the provision of a bundled service offering.
       The Company also seeks to expand its targeted geographic market by
       forming new partnerships, installing infrastructure and offering services
       in additional geographic regions, allowing the Company to further enhance
       its operating leverage and ability to service its customers'
       telecommunications needs.
 
     - Market Integration. GTS ultimately intends to integrate and co-market its
       service offerings in each of the markets in which it operates. The
       Company believes such integration enables it to enhance its operating
       efficiency by leveraging its distribution channels, infrastructure and
       networks, and management information systems. As customers develop a need
       for a broader variety of telecommunications
 
                                       46
<PAGE>   50
 
       services, the Company believes GTS's integrated operations will represent
       an attractive service alternative for customers seeking a single provider
       with the ability to meet all their telecommunications needs.
 
     Western Europe. The Company seeks to position itself as the leading
independent carriers' carrier within Western Europe through the development of
HER's pan-European fiber optic network and the operation of GTS-Monaco Access's
international gateway in partnership with, and utilizing the gateway
infrastructure of, the Principality of Monaco. The overall strategy of GTS in
Western Europe is to complement and enhance the services provided by PTOs and
New Entrants in a way that helps them to more successfully meet the needs of
their end-user customers. HER seeks to enter the market ahead of competition and
encourage a wide variety of carriers to use its network with service offerings
that meet their needs. To establish itself as the leading carriers' carrier for
international telecommunications within Europe, HER intends to provide its
customers with significantly higher quality transmission and advanced network
capabilities at a competitive price by utilizing advanced, uniform technology
across the region and providing redundant routing for higher levels of
reliability.
 
RUSSIA AND THE CIS
 
     OVERVIEW
 
     GTS is a leading provider of a broad range of telecommunications services
in Russia. GTS's services include international long distance services, domestic
long distance services, high speed data transmission and Internet access,
cellular services and local access services. GTS was among the first foreign
telecommunications operators in the CIS, where it began offering data links to
the United States in 1986, international long distance services in 1992, local
access to its networks in 1994 and cellular services in 1995. GTS has developed
these businesses into a leading provider of telecommunications service offerings
in Russia by building its own infrastructure, including a fully digital overlay
network and interconnections with its local Russian telecommunications partners.
 
     The Company believes that evolving changes in government policy over the
last several years and the overall inadequacy of basic telecommunications
services throughout Russia have created a significant opportunity. Before 1990,
all international, domestic long distance and local telecommunications in the
Soviet Union were provided by a monopoly state telecommunications company
managed by the Ministry of Posts and Communications. In 1990, the Council of
Ministers established a joint-stock company called Sovtelecom and transferred to
it all of the telecommunications assets and operations of the Soviet Ministry of
Posts and Communications. Following the dissolution of the Soviet Union in 1991,
the name of the company was changed to Intertelecom. In 1992, the Russian
government decided to split Intertelecom into several components to foster
privatization, competition and investment. The international and long-distance
assets and operations were combined into Rostelecom, creating a monopolistic
service provider. The local telecommunications assets and operations were broken
up into 88 independent regional joint-stock companies, seven of which serve
cities, including the Moscow City Telephone Network and the Petersburg Telephone
Network. Most of the regional companies have a telecommunications trunk operator
and provide a domestic long distance service within their service region.
Domestic long distance calls to and from areas outside the companies' service
area, as well as international calls, are switched to and from Rostelecom, which
forwards the calls to and from another regional company or a foreign carrier for
international calls. Exceptions to this rule include the seven city operators.
In Moscow and St. Petersburg, the trunk operators have been isolated into
separate, long distance companies called Moscow MMT and St. Petersburg MMT. All
domestic long distance and international calls originating from or terminating
in Moscow and St. Petersburg are switched through the MMTs, which forward the
calls to and from Rostelecom.
 
     Following the former Soviet Union's transformation from a centralized
economy to a more market-oriented economy, increased demand from emerging
private businesses and from individuals, together with the poor state of the
public telephone network, has led to rapid growth in the telecommunications
sector in Russia and the CIS. In 1991 the MOC was established as the Russian
successor to the Soviet Ministry of Posts and Communications to regulate and
improve the telecommunications industry and to be the government's
 
                                       47
<PAGE>   51
 
representative for its ownership share of the 88 regional operating companies,
the assets currently held by Svyazinvest (then the monopoly international and
domestic long distance service provider) and national radio, television and
satellite operating companies. This enabled the MOC and operating organizations
to begin the privatization process, attract foreign investment and initiate
joint ventures with foreign partners.
 
     Although it remains subject to certain restrictions, significant progress
in privatization of the telecommunications industry in Russia and the CIS has
occurred. Under Russian law, state-owned enterprises within the
telecommunications sector were subject to privatization but only pursuant to a
decision of the Russian government in each individual case and with the state
retaining a certain percentage of the stock of the privatized entity for three
years, subject to extension for national security reasons. At present, virtually
all of the former state telecommunications enterprises have been privatized and,
subject to the above restrictions, shares of the newly formed joint stock
companies have been sold to the public. Also, a significant number of private
operators provide a wide variety of telecommunications services pursuant to
licenses from the MOC to a growing number of customers throughout Russia.
According to the MOC, more than 6,000 licenses have been granted to
telecommunications operators in Russia, a large portion of which is assumed to
represent licenses reissued to the same operators as a result of their
reorganization or obligation to hold such licenses on counterfeit-proof paper.
 
     In October 1994, the President authorized the establishment of Svyazinvest
with the stated purpose of fostering greater efficiency and economies of scale
within the industry through competition. As a wholly government-owned company,
Svyazinvest was granted a controlling stake in approximately 85 regional
telecommunications companies in order to compete in these respective markets.
Svyazinvest was also given control of more than 20 million of the 25.5 million
telephone lines in Russia, except in Moscow and St. Petersburg.
 
     In April 1997, President Yeltsin approved the transfer of the federal
government's 51% stake in Rostelecom, as well as similar stakes in Central
Telegraph (the national PTO), the Ekaterinburg City Telephone Network and
Giprosvyaz (a telecommunications research institute), to Svyazinvest. On July
30, 1997, Mustcom Ltd., a Cyprus-based company that represents the interests of
a consortium which includes ICFI Cyprus, Renaissance International Ltd.,
Deutsche Morgan Grenfell, Morgan Stanley, and an affiliate of George Soros,
purchased a 25% stake in Svyazinvest for $1.87 billion. The President has also
authorized the sale of another 24% of Svyazinvest at a future date. This sale is
scheduled to occur in the first half of 1998 and is currently reserved solely
for Russian investors. The Russian government has announced that it will retain
a controlling 51% interest in Svyazinvest.
 
     The Russian government's interest in Svyazinvest is held by the MOC, which
was reclassified as the State Committee on Telecommunications and Informatics
during a recent government reorganization. The MOC remains the central body of
federal authority in the Russian Federation, having responsibility for state
management of the communications industry and supervisory responsibility for the
condition and development of all types of communications.
 
     Despite the recent changes in the Russian telecommunications industry, the
level of telecommunications service generally available from most public
operators in Moscow remains significantly below that available in cities of
Western Europe and the United States, although in recent years, the Moscow local
telephone infrastructure has benefitted from significant capital investment. By
1995, there were approximately 16 lines per 100 persons in Russia and 45 lines
per 100 persons in Moscow. In comparison, there were 60 and 58 lines per 100
persons in the United States and Western Europe, respectively. In addition, the
quality of services, reflected as the percentage of digital switching in local
telephone networks, currently is approximately 12% in Russia compared to 65% and
66% in the United States and Western Europe, respectively.
 
     Outside Moscow (and to a lesser extent St. Petersburg), most standard
Russian telecommunications equipment is obsolete. For example, many of the
telephone exchanges are electromechanical and most telephones still use pulse
dialing. The Russian population is over 145 million, of which approximately two-
thirds is concentrated in urban areas. The telecommunications market in Russia
currently includes a number of operators that compete in different service
offering segments -- local, inter-city, international, data and cellular
services. In large measure, the relative lack of economic development in the
regions accounts for the lack of improvement in local telecommunications
infrastructure. Although the regions still generally rely on an
 
                                       48
<PAGE>   52
 
outdated infrastructure inherited from the former Soviet Union, they are
starting to resort to sophisticated sources of finance, such as municipal bond
offerings, in order to upgrade it.
 
     Growth in the Russian telecommunications industry has been principally
driven by businesses in Moscow requiring international and domestic long
distance voice and data services and by consumers using mobile telephony. This
growth has been most significant as multinational corporations have established
a presence in Moscow and Russian businesses have begun to expand. The service
sector, which includes operations in distribution, financial services and
professional services and tends to be the most telecommunications-intensive
service sector of the economy, is growing rapidly in Moscow. Since moving to a
more market-oriented economy, the economic conditions in the outlying regions in
Russia have also generally improved. The telecommunications industry in the
outlying regions has experienced recent growth, principally as a result of
growth in the industrial sector as well as the establishment of satellite
offices in the regions by multinational corporations and growing Russian
businesses. The extent of overall market growth will depend in part on the rate
at which the Russian economy expands, although recent revenue growth in the
sector has been significant (in spite of a declining economy in certain regions)
because of increasing traffic from pre-existing customers and the normalization
of tariffs for business services.
 
     The Company believes it is well-positioned to take advantage of market
growth factors due to (i) its early market entry, (ii) its strong infrastructure
position in Moscow, by far the most important regional market, (iii) the local
market experience of its local partners, (iv) the extent of its existing
customer base and (v) its extensive range of international and domestic
telecommunications services. GTS believes it is the only operator in Russia
currently capable of providing a broad range of service offerings and marketing
them as a single end-to-end service offering for its customers.
 
     STRATEGY
 
     GTS's objective is to become the premier alternative carrier in Russia and
other key growth markets of the CIS. To attain this objective, the Company has
developed and implemented the following strategy:
 
     - Develop Strong Local Partnerships. The Company has and continues to
       develop its Russian and CIS business through alliances with experienced
       local partners, which to date have been primarily regional telephone
       companies and Rostelecom. These ventures combine the management,
       financial and marketing expertise of GTS together with its partner's
       ability to provide infrastructure and local regulatory experience. GTS
       believes that these relationships lend it credibility and increase its
       ability to anticipate and respond to the evolving regulatory and legal
       environment. GTS maintains a significant degree of managerial and
       operational control in its joint ventures through its foundation
       documents, which enable GTS to develop them in a manner consistent with
       its overall strategic objectives.
 
     - Expand Customer Base. The Company continues to expand its customer base
       through the provision of basic telephone and digital services in markets
       where such services are not currently provided. Once they have
       established a presence in a market, the Company's ventures seek for
       opportunities to expand further into neighboring regions and cities.
 
     - Increase Range of Digital Services. As its business customers expand
       their operations throughout Russia and the CIS and as their
       telecommunications needs become more sophisticated, the Company seeks to
       increase its revenues by expanding the range of integrated digital
       services offered to its customers.
 
     - Offer High Quality Telecommunications Service and Customer Service. The
       Company continues to invest in and build sophisticated high-speed digital
       networks and other infrastructure through which customers can gain local
       access to the Company's services. In addition to providing advanced, high
       quality network infrastructure, the Company emphasizes and offers its
       customers a level of customer service which the Company believes cannot
       be found elsewhere in the market.
 
     To date, GTS has made substantial progress employing this strategy. The
Company provides digital voice, data and local services in Moscow through its
Sovintel, Sovam and TCM ventures and provides these same services to thirteen
additional Russian cities through its TeleRoss long distance network.
 
                                       49
<PAGE>   53
 
     OPERATIONS
 
     GTS provides a broad range of telecommunications services in Russia,
including international long distance services, domestic long distance services,
cellular services, high speed data transmission, Internet access and local
access services. These services are supported by operator assistance, itemized
call reporting and billing, and other value-added capabilities that leverage
GTS's investment in advanced switching, data collection and processing
equipment. GTS also provides customized systems integration, including PABXs,
key systems, wiring and interconnectivity. GTS's own infrastructure is
supplemented with dedicated and leased capacity to allow GTS to bypass the
severely congested and poorly maintained local, domestic and long distance
circuits of the Russian carriers.
 
     Whenever practical, GTS's business units integrate and co-market their
service offerings, utilizing TeleRoss as the long distance provider, Sovintel as
the international gateway, TCM and GTS Cellular for local access, and Sovam as
the data communications and Internet access network for business applications
and on-line services. Through this integrated marketing approach, GTS is able to
provide comprehensive telecommunications solutions to multinational corporations
operating throughout Russia and the CIS.
 
     The following table sets forth certain operating data related to the
Company's operating ventures in Russia and the CIS.
 
<TABLE>
<CAPTION>
                                                      AT AND FOR THE YEAR
                                                       ENDED DECEMBER 31,       AT AND FOR THE NINE
                                                    ------------------------        MONTHS ENDED
                                                    1994(1)    1995    1996      SEPTEMBER 30, 1997
                                                    -------    ----    -----    --------------------
<S>                                                 <C>        <C>     <C>      <C>
Cities In Service.................................    5        24       33              40
Total Voice Minutes (millions)(2)
  Inter-city......................................   --  (3)    2.3     15.8            35.8
  Local...........................................    0.0      22.1    133.0           174.4
  International Outgoing..........................    7.7(3)   10.5     20.5            31.8
  Incoming........................................    2.0       4.5     33.2            50.0
Total Data Customers (thousands)..................    1.9       2.9      6.2             8.3
Total Cellular Subscribers (thousands)............    0.0       1.6      9.8            16.3
</TABLE>
 
- ---------------
 
(1) In 1994, the Company's interest in ventures operating in Russia consisted of
    a ten-percent interest in Baltic Communications Limited, a one-third
    interest in Sovam, and Sovintel, in which the Company owned a 12.5% interest
    through May 1994 and a 50% interest thereafter.
 
(2) Amounts include minutes between Company affiliates.
 
(3) International and inter-city long distance outgoing minutes not segregated
    in 1994.
 
     SOVINTEL
 
     GTS owns 50% of Sovintel, a joint venture with Rostelecom, the national
long distance carrier. Sovintel was founded in 1990 by GTS, Rostelecom and GTE
Spacenet, with GTS acquiring GTE Spacenet's interest in 1994. Sovintel markets a
broad range of high quality telecommunications services by (i) directly
providing international direct dial access to over 170 countries and private
line dedicated voice channels and (ii) leveraging the infrastructure and
services of the other GTS ventures, including TeleRoss, TCM and Sovam. In
addition, Sovintel provides and installs for its customers equipment such as
PABXs, key systems and wiring and provides maintenance and other value-added
services. Sovintel customers, which primarily consist of businesses, hotels and
Moscow-based cellular operators, are able to access these telecommunications
services through Sovintel's fully-digital overlay network in Moscow. In
addition, Sovintel has recently commenced construction of a limited network in
St. Petersburg that is interconnected to Sovintel's Moscow network and is
intended to support Sovintel's Moscow clients which have a presence in St.
Petersburg. Sovintel serviced over 40,500 telephone numbers, or "ports," for
business customers and cellular providers and had over 240 employees as of
September 30, 1997.
 
                                       50
<PAGE>   54
 
     Sovintel has constructed and operates a fully-digital overlay network in
and around Moscow which consists of (i) an approximately 600-kilometer fiber
optic ring, (ii) over 250 PABXs linked to the fiber optic ring, (iii) a
fully-digital microwave network, (iv) a wireless local loop and (v) an
international gateway connected to the fiber optic ring. In addition, Sovintel
leases dedicated international long distance channels. Customers are connected
to the Sovintel network via last mile connections to over 250 PABXs that provide
"points-of-presence" in and around Moscow. The PABXs are connected to the
network through a direct fiber connection or a digital microwave network. Some
of Sovintel's new customers are temporarily connected to the network through a
wireless local loop. The wireless local loop provides a significant competitive
advantage because it allows Sovintel to connect customers to its network more
quickly than alternative methods. As these customers are provided permanent
connections to Sovintel's network through direct connections to the PABXs,
additional customers are rolled onto the wireless local loop.
 
                         [GTS SOVINTEL MOSCOW NETWORK]
 
     After a customer is connected to the Sovintel network, local telephone
services are provided through the Sovintel fiber optic ring's interconnection
with the switches of either TCM or MTU Inform. These switches provide access to
local telephone service in Moscow through interconnections with the Moscow city
telephone network ("MGTS") and the principal Moscow cellular providers. Sovintel
provides its customers access to domestic long distance service through the
TeleRoss long distance network, or through Rostelecom's network in cities not
currently served by TeleRoss. International service is provided primarily
through the Sovintel international gateway, which transmits international
traffic via dedicated international leased long distance channels. Sovintel's
customers also can receive high speed data services through Sovintel's
interconnection with the Sovam data network. Accordingly, from a customer's
perspective, Sovintel offers a broad range of telecommunication services.
 
                                       51
<PAGE>   55
 
     The following table sets forth certain operating data related to Sovintel's
operations:
 
<TABLE>
<CAPTION>
                                                                                        AT AND FOR THE
                                                                                          NINE MONTHS
                                            AT AND FOR THE YEAR ENDED DECEMBER 31,           ENDED
                                            --------------------------------------       SEPTEMBER 30,
                                              1994          1995           1996              1997
                                            --------      ---------      ---------      ---------------
<S>                                         <C>           <C>            <C>            <C>
MINUTES OF USE(1)
  International Minutes
     Number of Minutes....................     7,681(2)      10,516         20,839           30,628
     Average Rate Per Minute..............    $ 2.35        $  2.06        $  1.55          $  1.19
  Domestic Long Distance Minutes
     Number of Minutes....................        --(2)       2,047         10,098           16,946
     Average Rate Per Minute..............        --        $  0.86        $  0.65          $  0.55
  Moscow (Local) Fixed Line Minutes
     Number of Minutes....................        --             --             --            2,302
     Average Rate Per Minute..............        --             --             --          $  0.06
  Moscow (Local) Cellular Minutes
     Number of Minutes....................        --         21,478         83,673           82,333
     Average Rate Per Minute..............        --        $  0.06        $  0.08          $  0.08
  Incoming Minutes
     Number of Minutes....................     1,967          3,839         24,306           34,571
     Average Rate Per Minutes.............    $ 0.76        $  0.58        $  0.28          $  0.29
PORTS
  Number of Ports (cumulative)............        --          6,079         29,646           40,563
NUMBER OF PRIVATE LINE CHANNELS
  International...........................         1             26             89              162
  Inter- and Intra-City...................         1             26            103              184
APPROXIMATE EQUIPMENT SALES (THOUSANDS)...    $1,100        $ 1,400        $ 2,200          $ 2,500
</TABLE>
 
- ---------------
 
(1) Minutes in thousands. Amounts include minutes among affiliates.
 
(2) International and domestic long distance outgoing minutes not segregated in
    1994.
 
     Services. Sovintel markets a broad range of high quality telecommunications
services by (i) directly providing international direct dial access to over 170
countries and private line dedicated voice services and (ii) by leveraging the
infrastructure and services of the other GTS ventures. Sovintel's services
include:
 
     - Switched International, Domestic Long Distance and Local
       Services. Customers are provided switched international long distance
       services directly through Sovintel's international gateway in Moscow and
       its leased long distance channels. Domestic long distance services are
       marketed by Sovintel and provided either through the TeleRoss long
       distance network or, where the call destination is not served by
       TeleRoss, through Rostelecom's network. Local call service is provided by
       Sovintel indirectly as a result of its interconnection, through TCM or
       MTU Inform, with the Moscow city telephone network. Based on its
       familiarity with the market, the Company believes that Sovintel's
       services are distinguished by a higher level of quality than those of its
       competitors, particularly with respect to call completion rates for its
       domestic long distance and local call services. In addition, the Company
       trains its employees to provide customer service at a level which is
       comparable to that provided by Western telecommunications companies. As a
       result, the Company believes that customers choose Sovintel over its
       competitors because it has earned a reputation for providing high quality
       telecommunications services through an experienced and professional
       customer service staff.
 
     - Private Line Channels. Private line channels, which are provided over
       dedicated leased lines, are principally utilized by customers with
       high-volume data traffic needs, such as Sovam and large data providers.
       Private line customers have access to intra-city service in Moscow
       through Sovintel's fiber optic ring and to inter-city service between
       Moscow and St. Petersburg via fiber leased by Sovintel, in
 
                                       52
<PAGE>   56
 
       each case benefitting from Sovintel's high quality infrastructure.
       Private line domestic long distance service is provided through TeleRoss
       and, for cities not served by TeleRoss, through Rostelecom. International
       private line service is provided through dedicated leased fiber channels
       from Rostelecom.
 
     - Equipment Sales, Installation Services and Project Planning and
       Management Services. In providing the above services to its customers,
       Sovintel installs and maintains equipment on its customers' premises,
       including PABXs, key systems and wiring. Sovintel also provides project
       planning and management services, including system design and management,
       to its customers.
 
     - World Access Service. Customers are able to access Sovintel's
       international long distance services through the World Access Card, which
       provides customers either direct or calling-card-based portable access to
       domestic and international long distance service. The calling card can be
       used in 15 Russian cities, including Moscow and St. Petersburg, and 23
       countries.
 
     Sovintel complements its service offerings by providing a wide range of
value-added services including operator assistance, maintenance and customer
support and itemized call reporting and billing.
 
     Customers and Pricing. Sovintel's customers consist primarily of
high-volume business and professional customers, such as IBM, Credit Suisse
Group and Reuters, other multinational corporations and Russian enterprises, a
number of premium Moscow hotels and other telecommunications carriers. In
addition, Sovintel is one of the primary providers of domestic and international
long distance service for the major cellular service providers in Moscow,
including VimpelCom, MTS and Moscow Cellular. Sovintel's customers typically
demand a higher level of service than generally available in the market.
Sovintel further provides to its large corporate customers data services such as
frame relay and Internet access contracted from Sovam in order to offer
"one-stop shopping" telecommunications solution to these customers, who
increasingly require this type of service.
 
     The pricing structure for international and domestic long distance calls is
based upon traffic volume and overall market rates, with Sovintel's rates
varying depending on the time and destination of the call. Local calls, other
than calls placed to cellular phones, are completed without charge. Sovintel
expects to continue its practice of not charging to complete local calls unless
and until the MGTS begins to charge for completion of such calls. Sovintel
prices its international long distance services slightly below those of its
principal competitors, and has recently reduced its rates in anticipation of
increased competitive pricing pressures. Sovintel's average revenue per minute
for outgoing international long distance calls has declined from approximately
$2.35 per minute for the year ended December 31, 1994 to approximately $1.19 per
minute for the nine months ended September 30, 1997. Sovintel expects increased
pricing pressure from competitors over time. Sovintel prices domestic long
distance services in line with those of its principal competitors. Prices for
domestic long distance services have increased significantly over the last
several years, although such prices stabilized in the second half of 1996.
Sovintel's private line services are priced competitively. Sovintel provides
private line channels by releasing lines it leases from Rostelecom. The lines
are leased by Sovintel from Rostelecom at wholesale rates and leased by Sovintel
to its customers at prices in line with Rostelecom's retail rate.
 
     Customers are billed monthly with larger-volume customers receiving
discounts of up to 25%. Customers using international services, domestic long
distance or data services are billed in U.S. dollars. To the extent permitted by
law, payment is made either in U.S. dollars or in rubles at the ruble/dollar
exchange rate at the time of payment, plus a conversion charge in order to
minimize the impact of currency fluctuations. Sovintel currently bills on an
invoicing system that was internally developed. Currently, the system is
adequate for Sovintel's present customer base; however, the Company is
evaluating alternatives for upgrading the system in anticipation of future
growth.
 
     Sales and Marketing. Sovintel's sales and marketing strategy targets large
multinational and Russian businesses both directly and through contacts with
real estate developers and business center managers in the greater Moscow area.
These developers and managers typically determine which telecommunications
service provider will service their respective properties. By identifying and
building relationships with these developers and managers at an early stage
(typically up to one year prior to the completion of a new building project),
                                       53
<PAGE>   57
 
Sovintel seeks to enhance the likelihood of winning the service contract. In
addition to its traditional target market, Sovintel has recently begun to market
its services to smaller businesses. Sovintel utilizes a departmentalized sales
force in order to focus its sale efforts on the different segments within its
target market. The sales force is comprised of 40 sales personnel, including 15
account managers, all of whom specialize in serving specific targeted
industries. Dedicated marketing and customer support personnel provide technical
support, customer service, training, market monitoring and promotional functions
for Sovintel. Sovintel's sales and marketing personnel are paid through a
combination of salary, commissions and incentive bonuses.
 
     Ownership and Control. Sovintel is a joint venture between a wholly-owned
entity of GTS and Rostelecom with each having a 50% ownership interest. Under
Sovintel's charter, GTS and Rostelecom each have the right to appoint three of
the six members of Sovintel's managing board. Rostelecom has the right to
nominate the Director General (the highest ranking executive officer at
Sovintel), while GTS has the right to nominate the First Deputy Director General
(the next-highest ranking executive officer at Sovintel). In practice, the
Director General and the First Deputy Director General together perform the role
of a chief executive officer. Certain business decisions, including the adoption
of Sovintel's annual budget and business plan as well as the distribution of
profits and losses require the approval of both GTS and Rostelecom. Neither GTS
nor Rostelecom are obligated to fund Sovintel's operations or capital
expenditures. Losses and profits of Sovintel are allocated to the partners in
accordance with their ownership percentages, in consideration of funds at risk.
As of September 30, 1997, GTS and Rostelecom have each made equity contributions
of $1.0 million to Sovintel. In addition, Sovintel had outstanding loans of $9.0
million to GTS as of September 30, 1997. See "Management's Discussion and
Analysis -- Accounting Methodology -- Profit and Loss Accounting." The Sovintel
joint venture agreement does not have an expiration date. See "Risk
Factors -- Dependence on Certain Local Parties; Absence of Control."
 
     TCM
 
     GTS beneficially owns approximately 50% of TCM, a joint venture founded in
1994 that provides a licensed numbering plan and interconnection to the Moscow
city telephone network for carriers needing basic local access service in
Moscow. GTS's partners in TCM are MTU-Inform and a group of entrepreneurs with
extensive telecommunications experience. TCM is currently licensed to provide
100,000 numbers in Moscow, of which approximately 44,000 have been leased. TCM
has contracted with MGTS to construct up to an additional 100,000 numbers in
several stages over the next five years, and currently plans to construct 10,000
numbers in each of 2000, 2001 and 2002. Any such construction, however, is
subject to TCM obtaining a license covering the additional numbers and the
availability of such numbers in the portion of the MGTS numbering plan in which
TCM plans to construct such numbers. TCM's switching facilities are fully
integrated with the networks of Rostelecom, Sovintel, and MGTS, allowing it to
provide high quality digital service to its customers.
 
     Services. TCM acts as a local gateway by providing numbers and ports to
carriers in Moscow, including Sovintel, VimpelCom, MTS and Moscow Cellular, and
thus providing interconnectivity to the Moscow city telephone network. Access to
the Moscow city telephone network provides customers with the higher quality and
broader range of services available in Moscow, such as the services provided by
Sovintel. Access from outlying regions is typically obtained through a domestic
long distance service provider such as TeleRoss. See "-- Sovintel" and
"-- TeleRoss."
 
     Customers and Pricing. TCM provides its services on the wholesale level to
primary carriers. VimpelCom is TCM's primary customer and accounts for
substantially all of TCM's revenues, hence the loss of VimpelCom as a customer
would have a material adverse effect on the Company. TCM also provides ports to
Sovintel and to other network operators including MTS and Moscow Cellular. TCM's
ports are leased principally to carriers in Moscow. Although local access
services are priced upon the basis of supply and demand factors in the local
market, in general, for each port cellular operators pay an approximately $300
installation fee and a $16 flat monthly fee plus a per minute charge for traffic
while other carriers pay a larger initial fee of approximately $500 and a
monthly fee of approximately $25. Local access services are typically provided
pursuant to five-year contracts that may be renewed upon expiration for
additional one-year periods. TCM has entered into an agreement with Sovintel
pursuant to which billing and collecting functions
                                       54
<PAGE>   58
 
for TCM-Sovintel joint customers are performed by Sovintel, with Sovintel
remitting such amounts (less applicable settlement charges and administrative
costs) to TCM. The rapid growth of cellular services in markets like Moscow has
placed a premium on new numbers, which has translated into attractive prices for
these numbers. TCM, however, believes these prices will decline over time.
 
     Ownership and Control. GTS's indirect interest in TCM is represented by its
approximately 52% interest in a holding company, which owns 95% of TCM. This
structure provides GTS with 50% beneficial ownership interest in TCM. Decisions
of the holding company regarding TCM require unanimous board approval and
neither GTS nor its partner in the holding company is obligated to fund
operations or capital expenditures of the holding company. In addition, neither
the holding company nor the TCM shareholders are obligated to fund operations or
capital expenditures of TCM. At both the holding company and TCM level, losses
and profits are allocated to the partners in accordance with their ownership
percentages, in consideration of funds at risk. GTS acquired its indirect, 50%
beneficial interest in TCM for approximately $700,000 and certain additional
consideration. As of September 30, 1997, GTS had no outstanding loans relating
to TCM. See "Management's Discussion and Analysis -- Accounting
Methodology -- Profit and Loss Accounting." None of the operative charters and
agreements relating to the holding company or TCM have expiration dates. See
"Risk Factors -- Dependence on Certain Local Parties; Absence of Control."
 
     TELEROSS
 
     TeleRoss, which began operations in 1995, consists of (i) two wholly owned
holding companies and a 99% owned subsidiary of GTS that operates a domestic
long distance network (collectively, the "TeleRoss Operating Company") and (ii)
thirteen joint ventures that are 50% beneficially-owned by GTS that originate
traffic and provide local termination of calls (the "TeleRoss Ventures" and,
together with TeleRoss Operating Company, "TeleRoss"). The TeleRoss domestic
long distance network serves fourteen major Russian cities, including Moscow
and, through VSAT technology, 19 customers located outside these cities.
TeleRoss provides digital domestic long distance services and other value-added
services through its own infrastructure as well as access to Sovintel's
international gateway services and access to the Moscow city telephone network
through TCM's switching facilities. Sovam uses the TeleRoss digital channels to
provide regional data service and has co-located its access facilities with
TeleRoss. As of September 30, 1997, TeleRoss employed approximately 188 persons
of which approximately 90 people were based in Moscow and approximately 98
people were deployed in the regions in which TeleRoss operates.
 
                                       55
<PAGE>   59
 
     TeleRoss's licenses cover the city of Moscow and a total of 39 regions
throughout Russia. Most of the thirteen cities in which TeleRoss primarily
operates are regional capitals, with an aggregate population of approximately
11.5 million. TeleRoss's licenses cover the entire oblast surrounding these
cities, with populations totalling approximately 38.1 million persons, and GTS
intends eventually to extend the reach of the TeleRoss network beyond the
regional capitals to the surrounding areas. The cities in which TeleRoss
currently offers its services are:
 
<TABLE>
<CAPTION>
                                                                1995 POPULATION
                                                    ---------------------------------------
                                                                 (IN MILLIONS)
                                                                 URBAN
                     CITY(4)                        CITY(1)    OBLAST(2)    TOTAL OBLAST(3)
                     -------                        -------    ---------    ---------------
<S>                                                 <C>        <C>          <C>
Arkhangelsk.......................................    0.6         1.2             1.6
Ekaterinburg......................................    1.4         4.1             4.7
Irkutsk...........................................    0.6         2.3             2.9
Khabarovsk........................................    0.6         1.5             1.9
Krasnodar.........................................    0.6         2.6             4.8
Nizhni Novgorod...................................    1.4         2.9             3.7
Novosibirsk.......................................    1.4         2.1             2.8
Syktyvkar.........................................    0.3         0.9             1.3
Tyumen............................................    0.5         2.4             3.1
Ufa...............................................    1.0         2.6             4.0
Vladivostok.......................................    1.2         1.8             2.2
Volgograd.........................................    0.9         2.0             2.6
Voronezh..........................................    1.0         1.5             2.5
                                                     ----        ----            ----
          Total...................................   11.5        27.9            38.1
                                                     ----        ----            ----
</TABLE>
 
- ---------------
 
(1) This column reflects the population residing in cities. Source: GTS estimate
 
(2) This column reflects the urban population in oblast. Source: Rusline
 
(3) This column reflects the total population residing in the oblast, including
    rural population. Source: Rusline
 
(4) TeleRoss plans to expand to the city of Samara in February, 1998. The 1995
    city population, urban oblast population and total oblast population for
    Samara was 1.2 million, 2.7 million and 3.3 million, respectively.
 
     The TeleRoss network architecture involves local city switches connected to
remote earth stations which communicate via satellite to a Moscow-based hub.
This hub consists of the network control center, earth station equipment,
multiplexing equipment and a switch. The earth stations, hub and related
equipment are owned by TeleRoss, which gives TeleRoss the flexibility to
redeploy network assets to other locations as necessary. The hub interconnects
to Sovintel's network providing access to Sovam's data networks, TCM's switching
facilities and Sovintel's international gateway, which transports international
traffic via dedicated international leased satellites and fiber channels and
provides access to Rostelecom's long distance networks. Outside of Moscow,
TeleRoss's local joint venture partners provide interconnection to the local
public telephone networks in each of the cities it serves. In addition to
providing services through its network, TeleRoss currently serves 19 customers
in 18 additional cities through VSAT technology which links the customers via
satellite to the Moscow hub.
 
                                       56
<PAGE>   60
 
     The following table sets forth certain operating data related to TeleRoss's
operations:
 
<TABLE>
<CAPTION>
                                                                                 AT AND FOR
                                                               AT AND FOR         THE NINE
                                                                THE YEAR           MONTHS
                                                                 ENDED              ENDED
                                                              DECEMBER 31,      SEPTEMBER 30,
                                                                  1996              1997
                                                              ------------      -------------
<S>                                                           <C>               <C>
MINUTES OF USE(1)
  Domestic Minutes (thousands)..............................      3,478             14,440
  Average Rate Per Domestic Minute..........................     $ 0.99            $  0.66
  International Minutes (thousands).........................        189                486
  Average Rate Per International Minute.....................     $ 2.76            $  2.56
NUMBER OF CITIES SERVED.....................................         13                 14
WORLD CONNECT DIAL/RUSSIA
  Number of Connect Dial Ports..............................        472                961
  Average Revenue Per Port Per Month........................     $  767            $   378
MOSCOW CONNECT
  Number of Ports...........................................         49                 56
  Average Revenue Per Port Per Month........................     $1,165            $ 1,513
DEDICATED CIRCUITS
  Number of Dedicated Channels..............................         33                 43
  Average Price Per Channel.................................     $4,553            $ 4,264
WORLD ACCESS SERVICE
  Number of World Access Card Users.........................      3,929              4,360
  Average Revenue Per Card Per Month........................     $   52            $    45
VSAT SERVICES
  Number of VSATs...........................................         12                 20
</TABLE>
 
- ---------------
 
(1) Includes minutes among affiliates.
 
     Services. Through its network and VSAT offerings, TeleRoss offers the
following services:
 
     - Carriers' Carrier Services. TeleRoss provides services as a "carriers'
       carrier," providing domestic long distance carrier services to cellular
       operators, Sovintel, the TeleRoss Ventures' regional partners and
       competitive bypass operators from the cities in which the TeleRoss
       Ventures operate, and to customers in remote cities using VSAT stations.
       These services are provided to and from Moscow, and are provided by
       TeleRoss at wholesale rates competitive with those offered by Rostelecom.
       TeleRoss also provides private line channels to Sovam in cities where the
       TeleRoss Ventures operate. In addition, TeleRoss has recently received a
       license to provide international private line service.
 
     - World Connect Dial/Russia Connect Dial. Customers in TeleRoss's cities
       are provided dedicated local access to the regional TeleRoss switch
       through lines leased from the TeleRoss Venture's regional joint venture
       partner. These customers then have access to the domestic long distance
       service provided by TeleRoss, international long distance service
       provided by Sovintel and are fully integrated into the local phone
       networks operated by the applicable TeleRoss Venture's partner and to the
       Moscow city telephone network through TCM.
 
     - Moscow Connect. Customers are provided with dedicated last mile
       connection over lines leased from the regional joint venture partner
       which lines are connected to a local TeleRoss switch. The TeleRoss
       network and its interconnection to TCM provide customers with a Moscow
       dial tone which allows users in remote locations better access to
       Moscow's advanced telecommunications infrastructure. In addition, Moscow
       Connect service provides better call quality at lower rates for domestic
       and international long distance. Moscow Connect also facilitates
       communications between users and their
 
                                       57
<PAGE>   61
 
       Moscow-based associates as calls can be made to and from Moscow without
       the use of prefixes and without long distance charges accruing to the
       Moscow-based parties.
 
     - Dedicated Circuits. Customers are provided with point-to-point clear
       channel circuits within Russia and internationally through the TeleRoss
       backbone and its interconnection with Sovintel's international gateway in
       Moscow. Dedicated circuits are generally used by news services, banks and
       other commercial customers who require high capacity and high quality
       service. This service can be used for voice or data, depending on the
       user's needs. In providing dedicated circuits, TeleRoss competes against
       other alternative communications providers, however, TeleRoss believes
       that it has a distinct price advantage over its competitors because of
       the use of its own infrastructure and the bulk purchase of satellite
       capacity.
 
     - World Access Service. TeleRoss and Sovintel co-market World Access
       Service to their customers in each of the cities they serve through two
       products: World Access Direct and World Access Card. Through World Access
       Direct, TeleRoss customers can access domestic long distance and
       international service anywhere within the customer's city through the
       local telephone network. The World Access Card is a calling card which
       allows TeleRoss customers portable access to domestic long distance and
       international service from 15 Russian cities, including Moscow and St.
       Petersburg, and 23 countries. This service is provided through Sovintel's
       infrastructure.
 
     - VSAT Services. For customers that are located outside the cities serviced
       by TeleRoss or that cannot be physically linked to TeleRoss's regional
       switches, TeleRoss offers VSAT service which connects these customers
       directly to TeleRoss's Moscow-based hub through a VSAT antenna installed
       at the customer's location. Both dedicated and switched services are
       provided through these VSAT arrangements.
 
     In addition to continuing the development of its core domestic long
distance business, TeleRoss's strategy includes the development of local access
networks to capitalize on demand for local phone service and to capture
additional customers for its long distance and value-added service offerings.
Outside Moscow, TeleRoss has primarily pursued a strategy whereby it develops
its own intra-city trunking network with copper based or fiber optic facilities
leased from the regional joint venture partners. As of September 30, 1997,
TeleRoss, in conjunction with regional joint venture partners, has installed
approximately 25 kilometers of fiber optic cable in 3 cities and plans to
install an aggregate of approximately 100 kilometers of additional fiber optic
cable in up to an additional 6 cities over the next 24 to 30 months. Customers
who obtain local phone numbers from TeleRoss's venture partners are directly
interconnected to the local telephone company and to the Company's long distance
network and Sovintel's international gateway and may obtain a broad range of
value-added services offered by the Company.
 
     Customers and Pricing. TeleRoss's customers include businesses and other
telecommunications service providers such as carriers, PTOs, cellular operators,
Sovintel and Sovam. TeleRoss's business customers consist of large multinational
and Russian businesses in each of the regions it services, as well as medium and
small-sized businesses. Between 1993 and mid-1996, consumer prices in TeleRoss's
industry increased significantly as a result of Rostelecom raising its prices in
an effort to raise capital for investment and development of its network
infrastructure, although prices have stabilized over the past six months. In the
first nine months of 1997, TeleRoss increased sales to carriers, which sales
were made at wholesale rates, resulting in a decrease in the average rate per
minute for TeleRoss. TeleRoss strategically prices its domestic long distance
services at a slight premium over similar services offered by Rostelecom to
account for a higher quality of service, but in line with the prices offered by
regional competitors.
 
     Sales and Marketing. TeleRoss markets its services to carriers and
businesses through direct sales channels. As of September 30, 1997, TeleRoss
employed 27 sales and marketing personnel, approximately half of which are based
in Moscow with the other half deployed regionally to identify and contact
prospective customers. The Moscow-based sales and marketing personnel are
organized into industry groups in order to better identify and serve customer
needs. Each region is typically served by one or two sales representatives.
TeleRoss's sales efforts are supported by market research and promotional
activities carried out at the joint
 
                                       58
<PAGE>   62
 
venture level and tailored to the specific market base of each region.
TeleRoss's marketing strategy is to attract carrier customers by focusing on
those carriers with high volume minutes operating in regions where TeleRoss has
a competitive advantage. Through cross-marketing agreements with Sovintel and
Sovam, TeleRoss markets many of the other service offerings of GTS's Russian
businesses to customers throughout its service regions. Billing functions and
the monitoring of quality control and technical issues are performed centrally
through the Moscow-based hub.
 
     Ownership and Control. TeleRoss consists of the TeleRoss Operating Company,
and the 50% beneficially-owned TeleRoss Ventures. GTS controls TeleRoss
Operating Company (which holds the network license) and co-manages the TeleRoss
Ventures under the terms of the applicable TeleRoss Ventures' foundation
agreements and charters. Under some of these charters, GTS generally has the
right to designate the Chairman of the board of directors, and GTS's local
partner has the right to designate the Deputy Chairman, for the first two-year
term (and thereafter GTS and the local partner nominate the Chairman and Deputy
Chairman for approval by the entire board on a rotating basis). The foundation
agreements and charters do not have expiration dates. While GTS has significant
influence within these ventures, decisions, including the decision to declare
and pay dividends, are generally subject to GTS's partner's approval. See "Risk
Factors -- Dependence on Certain Local Parties; Absence of Control." Neither GTS
nor its respective joint venture partners are obligated to fund operations or
capital expenditures of the TeleRoss Ventures. Losses and profits are allocated
to the partners in accordance with their ownership percentages, in consideration
of funds at risk. As of September 30, 1997, GTS and its partners had each made
equity contributions aggregating $1.7 million to the various TeleRoss Ventures.
Contributions made by the partners include contributions of cash and intangible
assets, such as licenses. In addition, the various TeleRoss Ventures had
outstanding loans of $3.3 million to GTS as of September 30, 1997. See
"Management's Discussion and Analysis -- Accounting Methodology -- Profit and
Loss Accounting."
 
     SOVAM
 
     Sovam is a venture owned 66.7% by GTS and 33.3% by the Institute for
Automated Systems ("IAS"). Sovam was founded in 1990 as a venture equally owned
by GTS and IAS. In 1992, Cable & Wireless acquired a 33% ownership interest in
Sovam, which interest was subsequently acquired by GTS in 1994, bringing GTS's
ownership interest to its current 66.7%. GTS has entered into an agreement to
purchase IAS's interest in Sovam and expects to close the transaction in
February 1998, thereby making Sovam a wholly owned subsidiary of GTS. Sovam
provides high-speed data communications services, electronic mail and database
access over a high-speed packet/frame relay network in 30 major Russian and CIS
cities. Sovam also offers Russia On Line, the first Russian language Internet
service, which provides direct access to the Internet as well as access to a
wide range of local and international information services and databases. As of
September 30, 1997, Sovam had approximately 1,667 data service customers and
approximately 3,272 Russia On Line customers. Sovam employed over 100 persons in
Moscow and other regions of the CIS as of September 30, 1997. Sovam provides
equipment and maintains marketing and technical support personnel at each
location either through its own infrastructure or through the infrastructure of
TeleRoss.
 
     In addition to serving the Moscow and St. Petersburg markets, Sovam
co-locates its operations with the TeleRoss Ventures, offering its services in
all TeleRoss cities, and also serves 15 additional cities in Russia and the CIS.
Sovam operates under its own license within Russia while services elsewhere in
the CIS are provided through applicable joint venture or local partner licenses.
The local partners of the TeleRoss Ventures provide facilities, assist in the
provision of leased lines to Sovam customers that allow them to connect with
Sovam's local data switches and also provide technical support. Sovam utilizes
Sovintel's international capabilities and, in TeleRoss-served locations,
TeleRoss's satellite overlay network, to take data through its local data
switches and over the leased lines to its customers. Customers may obtain
virtual private data networks without investing in, acquiring, installing and
maintaining their own network nodes and switches.
 
                                       59
<PAGE>   63
 
     The following table sets forth certain operating data related to Sovam's
operations:
 
<TABLE>
<CAPTION>
                                                                         AT AND FOR THE
                                           AT AND FOR THE YEAR ENDED      NINE MONTHS
                                                 DECEMBER 31,                ENDED
                                          ---------------------------    SEPTEMBER 30,
                                           1994      1995      1996           1997
                                          -------   -------   -------   ----------------
<S>                                       <C>       <C>       <C>       <C>
BASIC DATA SERVICE
  Percentage of Total Sovam Revenue.....       96%       91%       79%           80%
  Number of Customers...................    1,335     1,587     1,726         1,667
  Average Revenue Per Month Per
     Customer...........................   $  180    $  201    $  446        $  675
  Number of Cities in Service...........        2        11        25            30
EQUIPMENT AND HARDWARE SALES
  Percentage of Total Sovam Revenue.....        4%        8%       14%           10%
RUSSIA ON LINE SERVICE
  Percentage of Total Sovam Revenue.....       --         1%        7%           10%
  Number of Subscribers(1)..............       --       407     1,854         2,606
  Average Revenue Per Month Per
     Subscriber.........................       --    $   49    $   52        $   67
</TABLE>
 
- ---------------
 
(1) In addition to the subscribers included above, Sovam frequently connects
    potential Russia On Line subscribers on a complimentary one-month trial
    basis. As of September 30, 1997, there were approximately 600 such potential
    subscribers.
 
     Services. Sovam's service offerings are comprised of data services,
equipment and hardware sales and its Russia On Line services.
 
     - Data Services. Sovam provided high speed connectivity, electronic mail,
       database access and fax services to approximately 1,667 customers as of
       September 30, 1997, in Russia and the CIS. Sovam customers can use
       electronic mail systems to send and receive messages and data and to
       access public and private data networks (including the Internet)
       worldwide. Customers may obtain virtual private data networks without
       investing in, acquiring, installing and maintaining their own network
       nodes and switches. In addition, Sovam offers its customers value-added
       data services. For example, Sovam offers "one-stop shopping" for
       hardware, software, installation and maintenance support and products
       such as "SovamMail," an e-mail service which allows customers to use
       Sovam's data network to send telex or facsimile messages to overseas
       recipients worldwide. Data services are currently available in 30 cities
       throughout Russia and the CIS, including Moscow, St. Petersburg, each of
       the cities served by TeleRoss and some cities outside of the TeleRoss
       network.
 
     - Equipment and Hardware Sales. Sovam sells communications equipment and
       hardware, and provides related installation, maintenance and support
       functions, to its customers. Sovam's primary customers in the equipment
       and hardware market are banking clients who use the equipment to
       interface with Sovam's network.
 
     - Russia On Line. Russia On Line is the first Russian language, as well as
       the first dual language, graphical user interface online service for
       accessing domestic and international information sources designed to
       appeal to a wide commercial audience. This service, which is distributed
       via GTS's domestic long distance infrastructure, provides customers with
       access to international databases (including the Internet), as well as an
       array of proprietary Russian and English language information services,
       such as news stories and market updates. Sovam had 2,606 Russia On Line
       subscribers as of September 30, 1997. Sovam has developed a modified
       version of Netscape's Internet browser, which utilizes the Cyrillic
       alphabet, as part of its Russia On Line package. Sovam's enhanced Russian
       version of Netscape's browser is provided by Sovam to its customers under
       a distribution agreement with Netscape. In addition, Sovam has signed a
       letter of intent with Microsoft whereby Microsoft has agreed to include
       software access to Russia On Line in its Russian version of Windows 97,
       which had not been released as of September 1997. Sovam has also entered
       into agreements with equipment
 
                                       60
<PAGE>   64
 
       manufacturers, including Dell, Hewlett-Packard and U.S. Robotics, to
       include Russia On Line software with their products.
 
     Customers and Pricing. Sovam's data communications customers consist
primarily of banking and financial services organizations and large
multinational companies, while Sovam's Russia On Line customers consist of a
wide variety of commercial enterprises. Sovam charges customers an installation
fee when service is commenced and a charge for any equipment which is installed.
Thereafter, customers are billed on a monthly basis for leased line fees, port
access charges and charges for data and Russia On Line services rendered during
the month. Data services are priced on a two-tier structure with high volume
users generally negotiating a flat-rate fee and lower volume uses paying a
volume-based fee which on average was $446 and $675 per subscriber in 1996 and
for the nine months ended September 30, 1997, respectively. Russia On Line
customers pay a fixed monthly access charge plus an additional volume-based fee.
Customers are billed in dollars and payment is remitted in rubles and, to the
extent permitted by law, in dollars, with a 5% conversion fee added to
ruble-denominated payments.
 
     Sales and Marketing. Sovam employs a dedicated sales and marketing force
comprised of 23 Russian nationals, 18 of which are based in Moscow with the
remainder deployed in the other Russian and CIS regions. Salespersons are paid a
fixed salary supplemented by sales commissions and performance-based bonuses.
Sovam's sale efforts are focused primarily on the banking and financial
communities and large multinational companies, although small and medium sized
entities are also emerging as potential Sovam customers. Bundled service
packages, which include Sovam's data and Internet service, Sovintel's
international service and TeleRoss's long distance service, are frequently
marketed together in order to offer customers a comprehensive telecommunications
solution. In addition to data communications services, Sovam offers its
customers hardware, installation and maintenance service and is a distributor of
Northern Telecom equipment.
 
     Ownership and Control. GTS owns 66.7% of Sovam and IAS owns the remaining
33.3%. GTS has entered into an agreement to purchase IAS's interest in Sovam and
expects to close the transaction in February 1998, thereby making Sovam a wholly
owned subsidiary of GTS. The Sovam managing board is comprised of three GTS
representatives and two IAS representatives. Decisions of the managing board are
adopted by a majority vote. Changes to the charter and certain business
decisions, including decisions on distribution of profits and losses, obtaining
loans and approving major transactions, require unanimous approval. See "Risk
Factors -- Dependence on Certain Local Parties; Absence of Control." The Sovam
charter does not have an expiration date. Neither GTS nor IAS are obligated to
fund Sovam's operations or capital expenditures. Losses and profits of Sovam are
allocated to the partners in accordance with their ownership percentages, in
consideration of funds at risk. As of September 30, 1997, GTS and its partner
had made equity contributions of $1.3 million and $0.7 million, respectively, to
Sovam. In addition, Sovam had outstanding loans of $10.4 million to GTS as of
September 30, 1997. See "Management's Discussion and Analysis -- Accounting
Methodology -- Profit and Loss Accounting."
 
    GTS CELLULAR
 
     GTS Cellular operates three cellular businesses in Russia and Ukraine. In
Russia, GTS has a wholly owned subsidiary Vostok Mobile, which operates eleven
AMPS cellular companies in Russian regions west of the Urals under the trade
name Unicel. Vostok Mobile owns between 50% and 70% of these cellular joint
ventures (the "Unicel Ventures") in Russia. In addition, GTS intends to enter
into the cellular markets of additional Russian regions through its Vostok
Mobile venture. GTS also participates in PrimTelefone, a 50% owned joint venture
that operates an NMT-450 network in Vladivostok and four other cities in the
Primorsky region of Russia. In Ukraine, GTS has an approximately 25% beneficial
interest in Bancomsvyaz which operates a DCS-1800 cellular network in Kiev, and
an international overlay network in Ukraine. GTS Cellular entities possess
licenses covering major Russian and Ukrainian markets (excluding Moscow and St.
Petersburg) with an aggregate 1995 population of approximately 25 million
people.
 
                                       61
<PAGE>   65
 
     GTS currently offers cellular services in the following regions as of
September 30, 1997:
 
<TABLE>
<CAPTION>
                                                                                   URBAN
                                     GTS'S                                       POPULATION       TOTAL
           OPERATING                ECONOMIC                         CITY            IN          OBLAST        NUMBER OF
            COMPANY              INTEREST(1)(4)       CITY       POPULATION(3)   OBLAST(2)    POPULATION(2)   SUBSCRIBERS
           ---------             --------------       ----       -------------   ----------   -------------   -----------
                                                                  (MILLIONS)     (MILLIONS)    (MILLIONS)
<S>                              <C>              <C>            <C>             <C>          <C>             <C>
RUSSIA
  Vostok Mobile(4)
     Arkhangelsk Mobile
       Networks................       50.0%       Arkhangelsk         0.6            1.2           1.6             499
     Astrakhan Mobile..........       50.0%       Astrakhan           0.6            0.7           1.0           1,116
     Chuvashi Mobile...........       70.0%       Cheboksary          0.5            0.8           1.4           1,052
     Lipetsk Mobile............       70.0%       Lipetsk             0.5            0.8           1.2           1,237
     Murmanskaya Mobilnaya
       Set.....................       50.0%       Murmansk            0.6            1.1           1.8           1,170
     Penza Mobile..............       60.0%       Penza               0.6            1.0           1.5             603
     Saratov Mobile............       50.0%       Saratov             0.2            2.0           2.7           1,599
     Parma Mobile..............       50.0%       Syktyvkar           0.3            0.9           1.3             360
     Volgograd Mobile..........       50.0%       Volgograd           0.9            2.0           2.6           1,309
     Votec Mobile..............       50.0%       Voronezh            1.0            1.5           2.5           1,631
     Mar Mobile................       50.0%       Yoshkar-ola         0.4            0.5           0.8             415
  PrimTelefone.................       50.0%       Vladivostok(5)      1.2            1.8           2.2           3,907
UKRAINE
  Bancomsvyaz..................       24.9%       Kiev                2.6            3.7           4.5           1,438
                                                                     ----           ----          ----          ------
          Total................                                      10.0           18.0          25.1          16,336
                                                                     ----           ----          ----          ------
</TABLE>
 
- ---------------
(1) Represents the indirect economic interest of GTS in each entity.
 
(2) Source: Rusline (1995), except Kiev (from Ukraine Ministry of Statistics
    (1995)).
 
(3) Source: GTS estimate (1995).
 
(4) Prior to September 26, 1997, GTS owned 62% of Vostok Mobile. On September
    26, 1997, GTS acquired the minority interest in Vostok Mobile, making Vostok
    Mobile a wholly owned subsidiary of GTS. Vostok Mobile owns between 50% and
    70% of a series of 11 cellular joint ventures in various regions in Russia.
    In addition, Vostok Mobile has acquired a 50% interest in a cellular joint
    venture in the city of Barnaul, is expected to begin commercial service in
    February 1998. GTS intends to enter into the cellular markets of additional
    Russian regions through its Vostok Mobile venture.
 
(5) Includes Vladivostok and four other cities in the Primorsky region.
 
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<PAGE>   66
 
     The following table sets forth certain operating data related to GTS
Cellular's operations:
 
<TABLE>
<CAPTION>
                                                            AT AND FOR THE       AT AND FOR THE
                                                              YEAR ENDED          NINE MONTHS
                                                             DECEMBER 31,            ENDED
                                                           -----------------     SEPTEMBER 30,
                                                            1995      1996            1997
                                                           ------    -------    ----------------
<S>                                                        <C>       <C>        <C>
  Vostok Mobile
     Total Subscribers...................................     850      6,884         10,991
     Average Revenue Per Subscriber Per Month............      --    $   128        $   138
     Minutes of Use(1)(thousands)........................      --     10,561         18,800
     Population Covered by Licenses (thousands)..........  18,400     18,400         18,400
     Population Covered by Networks (thousands)..........   4,000      6,500          6,500
     Subscriber Penetration of Population Covered by
       Networks..........................................      --       0.11%          0.17%
  PrimTelefone
     Total Subscribers(2)................................     792      2,822          3,907
     Average Revenue Per Subscriber Per Month............  $  282    $   236        $   230
     Minutes of Use(1)(thousands)........................     725      6,919          9,108
     Population Covered by Licenses (thousands)..........   2,200      2,200          2,200
     Population Covered by Networks (thousands)..........     500      1,175          1,175
     Subscriber Penetration of Population Covered by
       Networks..........................................    0.16%      0.24%          0.39%
  Bancomsvyaz
     Cellular Network
     Total Subscribers...................................      --        121          1,438
     Average Revenue Per Subscriber Per Month............      --    $    62        $   185
     Minutes of Use(1)(thousands)........................      --          9          2,261
     Population Covered by Licenses (thousands)..........      --      4,500          4,500
     Population Covered by Networks (thousands)..........      --      1,669          1,669
     Subscriber Penetration of Population Covered by
       Networks..........................................      --       0.01%          0.09%
     Overlay Network
     Minutes of Use(1)(thousands)........................      --         --          2,232
     Number of Ports.....................................      --         --            555
     Average Revenue Per Minute..........................      --         --        $  0.36
</TABLE>
 
- ---------------
 
(1) Includes minutes among affiliates.
 
(2) Includes active subscribers only.
 
Vostok Mobile. Through Vostok Mobile, GTS participates in eleven cellular joint
ventures in Russia. Vostok Mobile owns between 50% and 70% interests in each of
the eleven Unicel Ventures with regional telephone companies and, in one
instance, a private Russian company, owning the remaining ownership interest.
The Unicel Ventures each operate an AMPS-based cellular network, which was
chosen principally because of the lower licensing fees and equipment costs
associated with AMPS operations. The Company believes that the Unicel Ventures'
AMPS-based networks can be upgraded to digital AMPS ("D-AMPS") for an
incremental capital investment. Cellular networks which utilize digital
technology, such as D-AMPS, DCS and GSM offer several advantages over analog
technology including improved overall signal and sound quality, improved call
security, potentially lower incremental infrastructure costs for additional
subscribers and the ability to provide enhanced data transmission services, such
as facsimile and e-mail. Digital technology also provides increased system
capacity. The ventures intend to convert to D-AMPS at such time as there exists
sufficient competitive pressures and/or market demand for digital services to
merit the additional investment.
 
     AMPS technology is widely used by other cellular networks throughout
Russia, making roaming commercially feasible. The Unicel Ventures have entered
into roaming agreements with other AMPS-based cellular providers, which allow
their subscribers to manually roam throughout Russia. Manual roaming, as opposed
to automated roaming, requires subscribers to notify their local cellular
providers of their travel plans
 
                                       63
<PAGE>   67
 
in order to receive roaming capability. Vostok Mobile is currently working with
VimpelCom to develop automated roaming standards which will provide subscribers
with automated roaming capability.
 
     The Unicel Ventures, collectively, are licensed to provide cellular service
to regions with an aggregate population of approximately 18.4 million people and
the cellular networks of these ventures cover populations of approximately 6.5
million people. Over the next five years, Vostok Mobile plans to expand the
coverage of the cellular networks to approximately 9.8 million people.
 
     The Unicel Ventures are the only cellular operators in many of their
respective regions. Each region, however, has the potential for three licensed
operators, including one operator for each of the AMPS, NMT and GSM cellular
standards, and the Company expects competition to increase in the future as the
Russian economy develops and telephony demands increase. Each of the Unicel
Ventures operates independently within uniform guidelines established by Vostok
Mobile. The Unicel Ventures employ local engineering and marketing personnel,
which helps the ventures maximize their presence in their respective markets and
maintain quality control. Vostok Mobile and its ventures employed over 279
persons as of September 30, 1997, with over 240 persons employed regionally.
 
     PrimTelefone. GTS's cellular operations in Vladivostok are conducted
through PrimTelefone, a 50% owned GTS subsidiary, with the local electrosviaz
owning the remaining 50%. PrimTelefone began operations in 1995 and operates an
NMT-450 network in Vladivostok and four other cities in the Primorsky region.
PrimTelefone entered and penetrated the Vladivostok market by leveraging its
network design and full interconnection with the city telephone network. As a
result, PrimTelefone's subscriber base has grown to 3,907 as of September 30,
1997 and PrimTelefone has been able to capture approximately half of the
Vladivostok cellular market. PrimTelefone has also updated its billing system,
which allows it to offer automated roaming. Although PrimTelefone has
experienced significant growth, it does face competition. PrimTelefone's only
current competitor has recently upgraded its network for more complete coverage
and has been fully interconnected to the city telephone network and may prove to
be more competitive in the future. PrimTelefone employs approximately 60 persons
which include dedicated sales, marketing and customer service personnel.
 
     PrimTelefone holds a license to provide cellular service to a region having
a population of approximately 2.2 million people and, as of September 30, 1997,
its cellular network covered an area with a population of approximately 1.2
million people. PrimTelefone plans to expand its network's coverage to
approximately 1.7 million people over the next five years.
 
     Bancomsvyaz. GTS operates in Ukraine through a 60% owned intermediate
holding company which holds an approximately 49% interest in Bancomsvyaz, giving
GTS an indirect approximately 25% economic interest in Bancomsvyaz. The
remaining approximately 51% interest in Bancomsvyaz is owned by Bancomservice, a
private company whose principals include telecommunications industry
participants in Ukraine, and a Ukranian national. Bancomsvyaz is co-managed by
GTS and Bancomservice, with Bancomservice appointing the General Director and
GTS appointing the Chief Operating Officer, Chief Financial Officer and two
Business Line directors. The current General Director has been active in the
development of the telecommunications industry in Ukraine. Through Bancomsvyaz,
GTS participates in the operation of a cellular network and an international
overlay network. With over 85 employees, Bancomsvyaz markets its services and
closely monitors technical and quality-related issues.
 
     Cellular network. Bancomsvyaz operates a cellular network in Kiev utilizing
DCS-1800 cellular technology, and operates under a cellular license that covers
the Kiev oblast. Bancomsvyaz began cellular operations in 1996 by covering the
city center of Kiev and expanded its coverage to include the entire city in
1997. Bancomsvyaz currently provides automated roaming capability in the U.K.
and has entered into a clearinghouse agreement with a European PTO which
provides Bancomsvyaz customers with automated roaming capability with all GSM
signatories with a roaming agreement with this PTO.
 
     Bancomsvyaz holds a license to provide cellular service to a region having
a population of approximately 4.5 million people and, as of September 30, 1997,
its cellular network covered an area with approximately 1.7 million people.
Bancomsvyaz plans to expand its network's coverage to approximately 3.2 million
people over the next five years.
 
                                       64
<PAGE>   68
 
     Overlay network. Bancomsvyaz provides switched traffic service through its
overlay network in Kiev. Bancomsvyaz owns and operates a partitioned mobile
switch for both its overlay and cellular businesses. Bancomsvyaz has seven
central offices in the city and also provides last mile connections (which are
primarily copper) from the central offices to customers. Local traffic is routed
to the local telephone network through the mobile switch. International traffic
is routed through a government-owned satellite dish to the GTS-Monaco Access
international gateway. Bancomsvyaz emphasizes its high quality service and
markets primarily to multinational companies, real estate developers and hotels.
Bancomsvyaz is also negotiating with Sovintel to provide a link to Moscow and
plans to offer VSAT-based connections to its network in the future.
 
     Sales and Marketing. The GTS Cellular entities have entered into agreements
with local distributors to more effectively reach their target markets.
Particular emphasis is placed on product branding. Vostok Mobile's sales and
marketing efforts are focused on the branding of its trade name, Unicel, which
is marketed and promoted at the local level by each of the Unicel Ventures. By
promoting the Unicel trade name, local ventures can emphasize their
relationships with Vostok Mobile and the other Unicel Ventures, allowing
customers to view the Unicel Ventures as integrated parts of a large cellular
organization rather than as lone, independent operators. Bancomsvyaz operates
under the trade name Golden Telecom.
 
     Customers and Pricing. GTS Cellular's customers are primarily large,
mid-sized and start-up businesses and wealthy individuals. Increases in the
number of customers for GTS Cellular's ventures is typically linked to the
economic health of the region in which such venture operates. Cellular service
is generally a premium service in the cities in which GTS Cellular operates and
is priced as such. Each venture begins with two tariff plans, a "standard"
tariff plan and a "premium" tariff plan, which includes a fixed amount of
airtime at a discounted per-minute rate. Each plan prices late night and weekend
calls at off-peak rates. The Company expects that prices will decrease as
competition increases. Connection fees are minimized in order to reduce license
fees in AMPS regions (which are partially calculated by reference to connection
fees), as well as to keep market entry costs low. GTS Cellular has benefited
from high margins generated by the sale of handsets, which are marked up in line
with other cellular operators in Russia and the CIS. Value-added services, such
as call forwarding and conference calling, when available, are priced nominally
and discounted when sold in packages. Cellular accounts are recorded in dollars
and customers remit payment in rubles at the exchange rate on the date of the
bill and, in instances permitted by law, in dollars. Ruble accounts generally
are charged a two percent conversion fee and payments in rubles are applied at
the rate of exchange on the date of payment. In order to lessen risks to its
receivables, the Company and its cellular ventures require advance payment from
all customers with prepayments averaging approximately $250 per customer for six
to eight weeks of service.
 
     Ownership and Control. GTS Cellular's Russian operations (except for the
Vladivostok operations) are conducted through ventures that are owned between
50% and 70% by Vostok Mobile, a wholly owned subsidiary of GTS. GTS Cellular's
Vladivostok and Ukrainian operations are conducted through ventures which
require partner approval for most decisions. The applicable foundation
agreements and charters do not have expiration dates. See "Risk
Factors -- Dependence on Certain Local Parties; Absence of Control." Neither GTS
nor any of its respective partners in its Vladivostok or Ukrainian operations
are obligated to fund operations or capital expenditures. Losses and profits of
all such ventures are allocated to the partners in accordance with their
ownership percentages, in consideration of funds at risk. As of September 30,
1997, GTS and its partners had made equity contributions aggregating $15.8
million and $15.3 million, respectively, to the various GTS Cellular Ventures.
Contributions made by the partners include contributions of cash and intangible
assets, such as licenses. In addition, the various GTS Cellular Ventures had
outstanding loans of $28.0 million to GTS as of September 30, 1997. See
"Management's Discussion and Analysis -- Accounting Methodology -- Profit and
Loss Accounting."
 
    LICENSES AND REGULATORY ISSUES
 
     Telecommunications operators in Russia are nominally subject to the
regulations of the Regional Communications Committee (the "RCC"). As a practical
matter, national telecommunications authorities of the individual CIS countries
and certain regional and local authorities generally regulate telecommunications
operators in their markets through their power to issue licenses and permits.
                                       65
<PAGE>   69
 
     The Communications Law sets out a comprehensive legal and regulatory
framework for the sector. It also sets forth general principles for the right to
carry on telecommunications activities, describes government involvement in
telecommunications regulation and operation, establishes the institutional
framework involved in regulation and administration of telecommunications, and
deals with various operational matters, such as ownership of networks,
protection of fair competition, interconnection, privacy and liability. This
institutional framework is implemented by separate legislation.
 
     Licenses to provide telecommunications services are issued by the MOC on
the basis of a decision by the Licensing Commission at the MOC. No new licensing
regulations have been issued since the enactment of the Communications Law and
in practice the MOC continues to issue licenses based on the Licensing
Regulations. Under the Licensing Regulations, licenses for rendering
telecommunications services may be issued and renewed for periods ranging from 3
to 10 years and several different licenses may be issued to one person. Once the
licenses are received, the licensee is required to register its right to hold
and operate under the license with Gossvyaznadzor, the national authority
responsible for monitoring compliance with regulatory and technical norms.
Renewals may be obtained upon application to the MOC and verification by
appropriate government authorities that the licensee has conducted its
activities in accordance with the licenses. Officials of the MOC have fairly
broad discretion with respect to both the issuance and renewal procedures. Both
the Communications Law and the Licensing Regulations provide that a license may
not be transferred. However, regional authorities are sometimes in a practical
position to limit these national authorities. In August 1995, the Russian
government created Svyazinvest, a holding company, to hold the federal
government's interests in the majority of Russian local telecommunications
operators. Such entities at the oblast and krai levels (administrative regions
within Russia) and two cities -- Moscow and St. Petersburg -- exercise
significant control over their respective local telephone networks.
 
     License procedures for the Company's cellular services include frequency
licensing from the MOC through a two step process. A license must first be
obtained from the MOC for permission to operate mobile cellular services on a
commercial basis in a specific standard and frequency bandwidth. Thereafter, an
approval to use specific frequencies within the band must be received from the
State Radio Frequencies Commission. Once the licenses are received,
Gossvyaznadzor confirms the rights of an operator to offer radio frequency
transmissions on specific frequencies, administers type acceptance procedures
for radio communications equipment and monitors compliance with licensing
constraints. In each instance, the Company is required to obtain additional
licenses and permits with respect to the use of equipment and the provision of
services.
 
     Telecommunications laws and regulations in Ukraine are similar in many
respects to those of Russia but are subject to greater risks and uncertainties.
Regulations currently prohibit foreign entities from owning more than 49% of any
telecommunications operating company. GTS's Ukrainian joint venture agreements
provide it with the option of purchasing an additional one percent of the
cellular network if these rules are liberalized. The Ukrainian government has
proposed substantial frequency permit fees in connection with providing GSM
service in Ukraine. Although the government has not imposed additional fees on
Bancomsvyaz's existing DCS-1800 service, there can be no assurance that such
fees will not be imposed in the future.
 
     GTS's subsidiaries and ventures hold the following licenses in Russia and
Ukraine:
 
     Switched Services. In Russia, the Company holds two licenses. The first
license was reissued to Sovintel in November 1996 and authorizes Sovintel to
operate as an international overlay network with the ability to interconnect
with the Moscow region and St. Petersburg public switched telecommunications
network ("PSTN"). This license ultimately requires Sovintel to provide service
to at least 50,000 subscribers and expires in May 2000. It was amended in
February 1997 to cover the Leningrad region. The second license was reissued to
SFIT, Ltd., a wholly-owned subsidiary of GTS in February 1997, for provision of
intercity services in 39 regions and in Moscow with ability to interconnect with
the PSTN. In Kiev, Ukraine, the company holds a license for provision of overlay
network services, including international services, in the name of its
affiliate, Bancomsvyaz. In addition, Sovintel is an ITU recognized private
operating agency ("RPOA"), which enables it to maintain a separate dialing code
(7-501) that can be directly dialed from over 170 countries. Sovintel's status
as an RPOA also enables it to terminate calls directly with other operators.
 
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<PAGE>   70
 
     Leased Circuits. In September 1996 the MOC issued to Sovintel a five-year
license to lease local, intercity and international circuits in the territory of
Moscow, Moscow region and St. Petersburg, valid until September 2001. The total
amount of circuits leased is approximately 300 and may be increased up to a
total authorized capacity of 2,500.
 
     Data Services. In August 1996, the MOC reissued to Sovam a 2 1/2-year
license, effective July 1996, to provide data transmission services via a
dedicated network to a number of oblasts and other regions covering a large
portion of Russia. The license permits a network capacity of not less than 5,000
customers, allows it to interconnect with other data transfer networks in
Russia, and expires January 1, 1999.
 
     Local Access Services. In January 1997, the MOC has licensed TCM to provide
local telephone service in Moscow to not less than 100,000 subscriber local
access lines. The license expires in May 2006. TCM has an agreement with MGTS to
provide up to 200,000 lines, which would require an extension to its license,
when its current capacity is reached.
 
     Cellular Services. In connection with cellular operations, Russian law
apportions the responsibility for regulating and licensing cellular businesses
between national and regional regulators. National telecommunications regulators
have been assigned the responsibility of regulating and licensing cellular
businesses utilizing the GSM and NMT-450 cellular standards prevalent in Europe.
These regulators have auctioned licenses to provide these services to a number
of ventures that have included large, well capitalized western
telecommunications providers such as U S WEST and Nokia during the last four
years. Regional telecommunications authorities have been given the rights to
supervise the observance of licenses by cellular businesses utilizing AMPS
cellular standard service, which is prevalent in the United States. However,
AMPS licenses are issued by the MOC. GTS believes that, in many instances,
cellular operators obtaining AMPS standard licenses, particularly those in
second tier cities, pay license fees that are lower than those paid for the GSM
and NMT-450 "national standards". Licenses for cellular providers have a term of
approximately 10 years.
 
     The Company's twelve Russian cellular companies have licenses which expire
between 2005 and 2007. One of the companies initially received an operating
license in 1994, six companies initially received an operating license in 1995
and five companies initially received an operating license in 1996.
 
     Bancomsvyaz holds a license for provision of DCS-1800 mobile services in
the Kiev oblast.
 
     COMPETITION
 
     Overview. GTS faces significant competition in virtually all of its
existing telecommunications businesses in the CIS. Many of the Company's
competitors and potential competitors, which include large multinational
telecommunications companies, have substantially greater financial and technical
resources than the Company and have the ability to operate independently or with
global or local partners and to obtain a dominant position in these markets. The
Company believes that it has a competitive advantage in each of these markets
because of its operating history, its ability to bundle a broad range of
telecommunications services in the region and its ability to make rapid
decisions in pursuing new business opportunities and addressing customer service
needs. The Company also believes that its local partnerships and reliance on
nationals in the management of its businesses and joint ventures provide it with
better knowledge of local political and regulatory structures, cultural
awareness and access to customers.
 
     International Services. Sovintel faces significant competition from more
than ten other existing service providers in Moscow, including Rostelecom and
joint ventures between local parties and multinational telecommunications
providers. Large competitors include the "Combelga" joint venture, an RPOA
operator in which Alcatel and the Belgian PTO participate as foreign investors,
"Comstar", a joint venture between GPT Plessey and MGTS, providing services
similar to those provided by the Company, TelMos, a joint venture between AT&T,
MGTS, Global One, through its Moscow based ventures, and Peterstar, in
Petersburg, which is part of the PLD Telekom group. Several smaller companies,
such as DirectNet, and Aerocom provide high-volume and carrier's carrier
services in Moscow. Bancomsvyaz competes in the switched international traffic
market with the Kiev electrosviaz and UTel, a joint venture that includes
Western partners with substantial capital and technical resources who together
hold a dominant share of the
 
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<PAGE>   71
 
Kiev market. The Company expects that market consolidation will take place among
the competitive field in international services.
 
     Domestic Long Distance Services. The Company believes its major competitors
in the Russian domestic long distance market consist of Rostelecom, the
electrosviazs, including those which are partners in the Company's TeleRoss
Ventures, and a variety of ventures that include foreign partners with
substantial financial resources. The most significant of such competitors
include: Global One, through its regional operations; Rustel, a venture that
includes Rostelecom, other Russian partners and International Business
Communication Systems, a Massachusetts telecommunications firm; Belcom, a
private company in which Comsat has a majority interest and which provides VSAT
services primarily to the energy sector; Satcom, a Russian joint venture
licensed to provide local, long distance and international service over private
and public switched networks; Teleport TP, a satellite overlay company jointly
owned by Rostelecom and Petersburg Long Distance that provides satellite
teleports in cities throughout Russia; and Comincom, a Russian private venture.
In the Russian far east, TeleRoss competes with Vostok Telecom, which is owned
by the Japanese companies KDD and NIC and certain Russian partners; and Nakhodka
Telecom, which is owned by Cable & Wireless and certain Russian partners.
 
     GTS both cooperates and competes with Rostelecom. Rostelecom provides only
international and long distance services to international carriers and regional
electrosviazs, and does not provide end-to-end customer services. GTS provides
last mile, account management, and transit services for Rostelecom in Moscow,
and uses Rostelecom channels and switches for both international and long
distance services. GTS provides long distance and international services on an
end-to-end basis, using service elements of Rostelecom, the electrosviazs and
its own resources. However, Rostelecom does compete with Teleross, in that
Teleross provides intercity services to customers, using satellite channels
provided by other state agencies (Intersputnik), and provides transit services
to various electrosviazs, on a traffic overflow basis.
 
     GTS believes that it enjoys a number of competitive advantages in the
Russian domestic long distance market, the most important being the maturity of
its international and data service businesses in Russia. This provides GTS with
access to the services, customers, products, licenses and facilities of its
other businesses. The Company also believes that it has more experienced
management, a more comprehensive strategy to build out a nationwide long
distance network and stronger relationships with many regional telephone
companies and with satellite capacity providers, such as Intersputnik, than most
of its competitors. In addition, the Company believes that it does not have any
significant competitor in the regional inter-city market (i.e., calls between
Russian cities other than Moscow or St. Petersburg).
 
     Data Services. Sovam has several primary competitors in the market for data
services: Global One, which began packet-switched service in Moscow and St.
Petersburg in June 1992, under the Sprint Networks venture; Demos, an Internet
service provider; and Relcom, a cooperative affiliation of computer users that
relies on an older generation of technology that supplies slower and lower-cost
messaging facilities to customers (primarily domestic commodities traders) that
do not require higher levels of service. In addition MCI and Rostelecom have
recently announced their agreement to create a national Internet access network
utilizing Rostelecom's domestic network and MCI's international infrastructure.
Rostelecom has also announced the formation of a new Internet services company
called RTK Internet, with Relcom as its partner. Although Sovam's business has
grown quickly, the Company believes that Global One is the market leader. GTS
believes that other potential competitors, including foreign PSTNs, Infotel,
Infocom and Glasnet, are also active in this market.
 
     Although the Company faces significant competition in this market, it
believes that it enjoys certain competitive advantages, including the ability to
reach a wide area throughout Russia through TeleRoss, innovative service
offerings such as Russia On Line, the maturity of its business in the key
banking services segment, high levels of customer service and support, and high
speed digital channels through TeleRoss.
 
     Local Access Services. The Company believes that its major competition in
the Moscow local access market consists of a number of ventures with Western
partners, including Telmos (which includes AT&T), Comstar (which includes GPT
Plessey), and Combelga. However, since TCM has obtained an allocation of
 
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<PAGE>   72
 
up to 100,000 numbers, the Company believes that TCM will account for a
substantial proportion of the new capacity to come onto the market within the
next five years.
 
     Cellular Services. Most Russian cellular markets have the potential for
three licensed operators, including one operator for each of the GSM and NMT-450
cellular standards, which Russia has adopted as national standards, and one
operator using the AMPS cellular standard, which has been set as a regional
standard. Many large Western telecommunications operators, including U S WEST,
Deutsche Telekom, STET, Midcom and Millicom, have participated in auctions for
licenses to provide GSM and NMT-450 cellular service to certain significant
Russian urban centers. In addition, a CDMA auction is likely to occur in the
future which could result in one or more CDMA operators entering the market. In
Ukraine, Bancomsvyaz competes primarily with an NMT operator and a GSM operator
in Kiev. Additional GSM licenses were auctioned off in early 1997 and other GSM
operators may enter other markets in 1998.
 
                                       69
<PAGE>   73
 
WESTERN EUROPE
 
     OVERVIEW
 
     GTS seeks to position itself as the leading independent carriers' carrier
within Western Europe through the development of two ventures, HER and
GTS-Monaco Access. HER's objective is to become the leading pan-European
carriers' carrier by providing centrally managed cross-border telecommunications
transmission capacity to telecommunications companies including traditional PTOs
and New Entrants on an approximately 18,000 kilometer high capacity fiber optic
network designed to interconnect a majority of the largest Western and Central
European cities. HER is currently operating over an approximately
1,700-kilometer portion of the network linking Brussels, Antwerp, Rotterdam,
Amsterdam, London and Paris. HER expects the initial five country network to be
placed in operation in the second quarter of 1998. This segment of the network
is expected to deliver managed transport services over approximately 2,900
kilometers of fiber optic cable linking the cities of London, Rotterdam,
Amsterdam, Antwerp, Brussels, Paris, Dusseldorf and Frankfurt. The full 18,000
kilometer network is expected to become fully operational during the year 2000.
HER also plans to lease capacity on a transatlantic cable linking the European
network with North America and is exploring various interconnectivity options to
Russia and Asia. Such intercontinental interconnectivity will help HER satisfy
the needs of its European customers with respect to outgoing traffic and attract
additional non-European customers with traffic terminating in Europe. HER
commenced commercial service over the Brussels-Amsterdam portion of the network
in late 1996, and the London-Paris portion in November 1997. GTS-Monaco Access
operates an international gateway in Monaco in partnership with, and utilizing
the existing gateway infrastructure of, the Principality of Monaco and provides
transit and routing of international calls to other telecommunications
operators. Through its HER and GTS-Monaco Access ventures, GTS is building a new
network for transporting voice, data and multimedia/image traffic for other
carriers throughout Western and Central Europe and for worldwide international
voice, data and multimedia/image traffic that either originates or terminates
in, or transits through, Western and Central Europe.
 
     The Company believes that the international segment of the Western and
Central European telecommunications market will be an attractive market for new
telecommunications entrants because of its large size, the high operating costs
and low productivity of current providers, and the barriers to entry created by
the need to control a network and its rights-of-way.
 
     The European telecommunications market has historically been dominated by
monopoly PTOs. This system has ensured the development of broad access to
telecommunications services in Europe, but it has also restricted the growth of
high quality and competitively priced pan-European voice and data services. The
current liberalization occurring in Europe is intended to address these
structural deficiencies by breaking down PTO monopolies, allowing new
telecommunications operators to enter the market and increasing the competition
within the European telecommunications market. In March 1996, the European
Commission adopted a directive (the "Full Competition Directive") requiring the
full liberalization of all telecommunications services in most EU member states
by January 1, 1998. The Company expects that full liberalization in these
European countries will lead to the emergence of New Entrants with new and
competitive service offerings. HER expects this increase in competition will
result in lower prices and a substantial increase in the volume of traffic and
range of telecommunication services provided. HER believes that as a result of
the increased call volume and growth in value added services, participants in
these markets will require significant amounts of new cross-border
telecommunications transport capacity to provide their services.
 
     The Hermes network will offer PTOs and New Entrants an attractive
alternative for the transport of cross-border European telecommunications
traffic. In the traditional system, PTOs own and control circuits only within
their national borders, and as a result, cross-border traffic must be passed
from one PTO to another PTO at the national boundary. No single PTO therefore
owns or controls end-to-end circuits for cross-border calls. The alternative for
carriers of this traffic will be to build their own transport capacity or use
International Private Leased Circuits ("IPLCs") which are provisioned by
combining half-circuits on the networks of two or more PTOs. The Company
believes that there are a number of problems with these options that result in
HER being well-positioned to become the leading independent carriers' carrier in
Western and Central Europe. In particular, building their own transport capacity
is unlikely to be an attractive option for most
 
                                       70
<PAGE>   74
 
carriers because of the high traffic volumes required to justify the expense,
the need to focus resources on marketing and customer service, the time
commitment and the regulatory and administrative complexities involved,
particularly in obtaining the rights of way across national borders. Likewise,
IPLCs provided by the PTOs also have a number of disadvantages, including high
prices, lack of end-to-end quality control, lack of redundancy, low quality due
to diversity of network systems and equipment, limited availability of bandwidth
and long lead times for provisioning.
 
     HER
 
     HER's objective is to become the leading pan-European carriers' carrier by
providing centrally managed cross-border telecommunications transmission
capacity to telecommunications companies including PTOs and New Entrants. HER
intends to offer these target customers a better transport system than is
currently available in Europe with a higher and more consistent level of
transmission quality, redundancy, network functionality and service across
Europe at lower prices. Development of the HER network is dependent upon, among
other things, HER's continuing ability to obtain the necessary financing,
rights-of-way, licenses and other regulatory approvals in a timely and
cost-effective manner. See "Risk Factors -- HER Network Roll-out."
 
     HER is developing an approximately 18,000 kilometer, pan-European high
capacity fiber optic network designed to interconnect a majority of the largest
Western and Central European cities. Each access point of the network will be
placed in operation as it is linked to the network. HER intends to build the
network using the most accessible and cost-efficient infrastructure base in each
of the regions served, including using rights-of-way and existing infrastructure
of railways, motorways, pipeline companies, waterways and power companies. HER
plans a flexible approach to the network build-out plan and intends to fine-tune
the scope, route and design of the network based upon the evaluation of customer
demand.
 
     HER began initial trials of the Brussels-Amsterdam portion of the network
in the third quarter of 1996 and commenced commercial service in November 1996.
Commercial service connecting Paris to Amsterdam, Brussels and London started in
November 1997.
 
     HER expects to continue to roll-out full telecommunications transport
service on the initial network in the first five countries linking the
additional cities of Dusseldorf and Frankfurt in the second quarter of 1998.
This initial network in the first five countries is expected to consist of 2,900
kilometers of fiber optic cable covering countries which, in 1995, originated
over 60% of all outgoing calls and terminated over 60% of all incoming calls in
the countries to be served by the full network. Network coverage is planned to
be expanded to include Munich, Berlin, Geneva, Zurich, Stockholm, Copenhagen,
and Milan in the third quarter of 1998. By the year 2000, the 18,000 kilometer
HER network is expected to have points of presence in at least 32 cities in 15
European countries, including Southern and Central Europe. HER also plans to
lease capacity on a transatlantic cable linking the European network with North
America and is exploring various interconnectivity options to Russia and Asia.
 
     HER has entered into agreements for the construction and/or lease of fiber
optic routes for the initial network in the first five countries. Contracts have
been concluded with respect to the portion of the network connecting Germany
with each of France, the Netherlands and Switzerland and HER continues to
negotiate rights-of-way and other infrastructure arrangements in five other
Western European countries representing the remainder of the Western European
portion of the rollout. HER will need to negotiate similar agreements to
complete the network in four Central European countries. Buildout of the HER
network is subject to numerous risks and uncertainties that could delay
deployment or increase the costs of the network, or make the network
commercially unfeasible. See "Risk Factors -- HER Network Roll-out."
 
     HER was formed on July 6, 1993 by HIT Rail. HIT Rail was incorporated in
1990 by eleven national railways to carry out telecommunications engineering
activities in order to construct and exploit a data communications network for
railway traffic. GTS-Hermes purchased a 34.4% interest in HER in 1994 and has
increased its interest to 50% in 1995 and to 79% in 1997. GTS-Hermes is a wholly
owned subsidiary of GTS.
 
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<PAGE>   75
 
     Business and Marketing Strategy
 
     The overall strategy of HER is to offer PTOs and New Entrants pan-European
cross-border telecommunications transport services to help them, in turn, more
successfully meet the needs of their end-user customers. The HER network also
provides a vehicle through which a carrier can compete in markets where it does
not own infrastructure. HER expects to enter the market ahead of similar
competition and encourage a wide variety of carriers to use its network with
service offerings that meet their needs. HER's primary service offerings are
large-capacity circuits for "wholesale" customers such as PTOs and New Entrants.
HER's focus on carriers is designed to complement and not compete with carriers'
own business objectives in providing services to end-users.
 
     To establish HER as the leading carriers' carrier for international
telecommunications within Europe, HER intends to offer its customers
significantly higher quality transmission and extended/advanced network
capabilities at a competitive price by focusing on the following:
 
          High Capacity International Network Facilities.  The HER network is
     designed to offer its customers access to high capacity network facilities
     outside their domestic markets, providing cross-border capabilities without
     requiring customers to invest in network infrastructure or being
     constrained by a narrow range of capacity offerings. With STM-64 technology
     and Wavelength Division Multiplexing ("WDM") upgrades, HER's fiber
     deployment plan provides for the equivalent of 128 fiber pairs of capacity
     across Europe.
 
          Uniform Network Architecture.  The HER network is designed to offer
     managed transport services from country to country and across multiple
     countries utilizing a single uniform network, in contrast to services
     currently available that use multiple providers over several networks with
     varying technologies and each under the control of separate, not
     necessarily compatible, network control systems. The HER network's uniform
     technology enhances service by providing quality and reliability as well as
     uniformity of features throughout the network.
 
          Diverse Routing.  The HER network architecture includes diverse,
     redundant routes that are designed to provide high levels of reliability.
     The network is designed to provide availability of over 99.98% for most
     routes and to provide customers with a wide range of telecommunications
     transmission capacity. To achieve this level of reliability without the use
     of a network similar to the HER network, HER believes that carrier
     customers would need to purchase additional dedicated circuits to provide
     for redundancy.
 
          Rapid Provisioning.  HER services provide access to the network, such
     that additional capacity can be provided to customers on the HER network on
     a rapid basis. This access provides a level of capabilities that HER
     believes is unavailable in Europe today. This ability to rapidly provide
     service is largely due to HER's development of capacity substantially in
     excess of HER's forecasted requirements.
 
     - Flexibility.  HER services are focused on providing customers flexibility
       across the network through which the customer may minimize risk by
       enabling network rerouting, eventually even under customer direct
       control.
 
     - Advanced Technology.  HER is deploying SDH technology which, by using WDM
       techniques and hardware, is upgradeable and will permit significant
       expansion of transmission capacity without increasing the number of fiber
       pairs in the network. This technology also provides the basis for
       structuring advanced operating features, such as virtual private network
       service and ATM-based services. Additionally, the SDH technology deployed
       by HER may be upgraded.
 
     - Innovative Pricing.  Currently the price of E1 equivalent circuits on
       transborder European routes is artificially high and not necessarily
       related to the cost of such circuits. HER intends to offer competitive
       pricing. HER will also offer highly tailored contract terms and volume
       discounts, which allow carrier customers to plan more efficiently the
       fixed costs of their service portfolio. Customers can select varying
       capacity, access, guaranteed availability and contract terms at
       competitive prices. Customers sourcing from PTOs are generally limited to
       order from a very narrow set of capabilities offered under inflexible
       pricing plans.
 
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<PAGE>   76
 
     Although HER and GTS have relationships with certain PTOs or other access
providers for specific projects, they do not have wide-ranging alliances with
any of the major consortia or large Western telecommunications companies.
Additionally, HER's strategy calls for it to focus on carriers' carrier
services, so that it will limit overlap of target markets with its carrier
customers in end user markets. HER believes that this independence will make it
an attractive service provider for carriers who may otherwise be reluctant to
obtain services from other providers of intra-European transport that also may
be their competitors in the retail market.
 
     SERVICES
 
     HER's primary service is large capacity cross-border European circuits
provided to carriers and service providers over an integrated, managed
pan-European network structure thus providing a service for wholesale customers
such as PTOs and New Entrants. The HER network will be based on SDH technology,
which provides for digital transmission capability upon which a broad range of
advanced functionality may be built and which offers network availability,
flexibility, bandwidth speeds and error performance not otherwise available to
carriers for transport of telecommunications traffic across national borders in
Western and Central Europe. The network is designed to provide customers with a
wide variety of bandwidth speeds, ranging from VC12/E1 Standard (equivalent to
2.048 Mbps) to STM-1/E4 Standard (equivalent to 155 Mbps) and beyond.
 
     HER will provide high quality cross-border transmission services for
licensed or otherwise authorized telecommunications providers. Services are
based on the principle of adding greater value than currently available in the
market while retaining competitive prices.
 
     Point-to-Point Transport Service.  The current market for cross-border
transport is served by IPLCs provided by PTOs. IPLCs are formed by combining
half-circuits from two PTOs between customer locations, often with additional
PTOs providing transit segments. Under the IPLC service, overall service quality
guarantees generally are not provided and only a limited range of bandwidth is
available, usually only E1 and in certain instances, E3. The Company believes
that HER's Point-to-Point Transport Service will be a major improvement to the
PTO-based approach because it provides a greater range of bandwidths (from 2
Mbps (E1 or VC-12) to 140/155 Mbps (E4 or VC-4)) and allows customers to choose
a service level agreement with guarantees appropriate for their applications,
including guarantees for on-time service delivery and service availability.
 
     Point-to-Point Transport Service consists of two services, "Integrated" and
"Node-to-Node." The HER "Integrated" service provides an end-to-end service
between customer-specified locations where the customer can request for HER to
arrange for "last mile" services from the HER node location to the customer's
location. The HER "Node-to-Node" service can be selected when the customer
prefers to provides its own services to reach the local HER node location. In
Node-to-Node Service, HER guarantees service only on its portion of the network
between HER nodes. Both services are competitively priced relative to current
service offerings. A premium is charged for the highest guaranteed level of
service which incorporates an end-to-end, fully diverse, protected, "Integrated"
service. The customer can choose flexible contract terms from one to five or
more years' duration, with volume discount schemes designed to ensure that HER
remains a cost-effective solution.
 
     Virtual Infrastructure Service.  Carriers and operators that plan to expand
their operations to become pan-European service providers as the European
marketplace is liberalized require a flexible and cost-effective means of
telecommunications transport. To date such service providers obtain
international transport service by leasing IPLCs. Leasing IPLCs requires a
carrier to lease channels on a segment-by-segment basis from multiple PTOs,
linking the target cities under arrangements having fixed capacity and pricing
structure for each segment of the carrier's network. Leasing IPLCs has several
disadvantages, including (i) difficulty in obtaining discount/volume pricing
schemes since there is no single provider of pan-European coverage, (ii) delays
in implementation due to numerous contractual negotiations and having to
interconnect numerous IPLCs, (iii) limited availability of pan-European leased
capacity at high bandwidth and (iv) variability of quality due to multiple
operators and the absence of a single uniform network. Operators could also
construct
 
                                       73
<PAGE>   77
 
their own network, which is expensive, time-consuming and complex and which may
not be justified by such operators' traffic volume.
 
     HER's Virtual Infrastructure Service will offer a new solution and an
attractive alternative to leasing IPLCs or building infrastructure. This service
will enable HER's customers to obtain a uniform pan-European or cross-border
network under one service agreement by allowing the customer to select any
number of cities along the HER network at a pricing structure based on the
overall amount of leased capacity for the customer's entire network. The key
feature behind Virtual Infrastructure Service is that it gives the customer the
ability to add or reconfigure capacity in 24 hours between locations connected
in the Virtual Infrastructure Service, thereby enabling the customers to respond
almost immediately to changes in traffic. By being able to transfer capacity
among the network routes, HER's customers are able to avoid over- and
under-utilization of leased channels. This service offering provides a customer
with the benefits of ownership (rapid provisioning, freedom to rearrange and
control) with a "pay-as-you-go" managed service offering, without the burdens of
up-front investment and costs required to build a network, and without having to
manage the on-going maintenance and operation of the network.
 
     The service would be delivered through pre-installed physical facilities at
each of the customer locations. These facilities are designed to ensure that
most growth or changes in customer requirements can be addressed purely by
remote logical reconfiguration from the HER Network Operations Center. This
remote network management ability is inherent in SDH technology and allows rapid
provisioning and high quality of service.
 
     Ring Service.  Most medium to large carriers and operators purchase network
capacity in excess of actual requirements, and prefer to have physical
configuration control over their networks. The HER Ring Service connects
multiple customer locations with multiple VC-4 paths in a ring configuration.
The customer has direct control over the configuration of the VC-3 and VC-12
paths within the ring, and has exclusive control over the routing. Additional
ring capacity can be added with no service interruption and additional customer
locations may be added to the ring with minimal service interruption. Because
HER is not required to configure 'idle' bandwidth or to manage the 'SDH subnet'
this service can be provided at a very competitive rate vis-a-vis other
point-to-point services.
 
     Sales and marketing of HER's services are conducted through its sales and
marketing department, which includes a director and senior sales managers
responsible for various regions and customer segments. Additionally, HER expects
that its railway shareholders that develop domestic telecommunications
businesses, or other local network access providers, can provide an effective
distribution channel to smaller carrier customers.
 
     PRICING
 
     Currently the price of cross-border pan-European calls are often
significantly higher than the underlying cost of transport and terminating such
calls and higher than the price of intra-country calls or transborder calls to
and from liberalized markets. The low cost of operating the network enables HER
to attractively and competitively price services in the face of declining
overall tariffs for telecommunication services. HER's low-cost basis is due to,
among other things, its use of up-to-date technology without the burden of
legacy networks, which requires fewer employees to operate.
 
     The term of a typical customer agreement currently ranges from 1 to 3
years. The customer agrees to purchase, and HER agrees to provide, cross-border
transmission services. In general the customer agrees to pay certain
non-recurring charges and recurring charges on an annual basis, payable in
twelve monthly installments. If the customer terminates the service order prior
to the end of the contract term, it is generally required to pay HER a
cancellation charge equal to three months service for each of the twelve months
remaining in the contract term. HER guarantees transmission services to a
certain service level. If such levels are not met or HER fails to deliver
service by the committed delivery date, the customer is eligible for a credit
against charges otherwise payable in respect of the relevant link.
 
                                       74
<PAGE>   78
 
     CUSTOMERS
 
     HER's high capacity, SDH-based fiber optic network is designed to enable
PTOs and New Entrants to integrate high quality, cross-border capacity into
their end user offerings. As of November 30, 1997, fifteen customers were under
contract for service on the HER network, including PTOs, a global consortium of
PTOs, Internet service providers, an international carrier, VANs and resellers.
HER provided capacity of approximately 180 E1 equivalent circuits as of November
30, 1997. The type and quality of HER's customers validates the concept of the
HER network, and illustrates the type of customers who will be attracted to the
full network. The success of this limited network also demonstrates the demand
for cross-border transport services. In total, HER is targeting seven major
market segments or customer groups which can be characterized as follows:
 
        -  Existing PTOs.  This customer segment consists of the traditional
           European PTOs that generally participate in the standard bilateral
           agreements for cross-border connectivity. Hermes provides a vehicle
           for PTOs to compete in non-domestic markets both before and after
           January 1, 1998. As of January 1, 1998, both reserved and
           non-reserved traffic can be transported by alternative infrastructure
           providers, thus vastly expanding the available PTO market for HER.
 
        -  Global Consortia of Telecommunications Operators.  Many of the
           largest PTOs and international carriers have pooled resources and
           formed consortia in order to compete more effectively in important
           telecommunications markets such as those in Western Europe
           particularly outside their home markets. Prior to liberalization of
           the provision of switched voice services in Western European markets,
           one of the primary objectives of these consortia is to provide
           non-reserved pan-European services to multinational business
           customers, including X.25/frame relay (high speed data network)
           service and closed-user group voice services. Under the current
           regulatory framework, consortia would otherwise be required to
           purchase leased lines at negotiated retail rates, even within their
           home countries. HER believes that it provides an attractive
           alternative at better pricing in those environments where such a
           consortium does not already own its infrastructure. Furthermore, HER
           believes that it is well positioned to provide cross-border
           connectivity between different domestic infrastructures of these
           alliances.
 
        -  International Carriers.  This customer segment consists of
           non-European carriers with traffic between European and other
           international gateways. Such carriers include Teleglobe, GTS-Monaco
           Access and eventually the U.S. Regional Bell Operating Companies. HER
           can provide these customers a pan-European distribution network to
           gather and deliver traffic to and from their own and other hubs.
 
        -  Alternative Carriers.  This segment consists of second carriers,
           cable TV and mobile carriers and competitive access providers. These
           new carriers have chosen to compete with the incumbent PTOs in their
           respective countries, and the Company believes that they would look
           favorably to an alternative such as HER. HER believes that this
           segment will sustain the largest growth as competition emerges in
           Europe. HER also believes that non-PTO competitors in Europe will
           prefer to use a non-PTO alternative like HER to meet their
           cross-border telecommunication transport needs.
 
        -  Internet Backbone Networks.  Internet backbone networks are a fast
           emerging segment and are expected to generate significant
           requirements for the services HER offers. These require large
           capacity international connectivity services between Internet nodes
           (point of interconnection between local Internet service providers)
           in all local European markets. The Internet segment is experiencing
           significant growth in demand for transmission capacity.
 
        -  Resellers.  Resellers are carriers that do not own transmission
           facilities, but obtain communications services from another carrier
           for resale to the public. Resellers are also a growing segment of the
           market and are expected to increase in conjunction with the
           liberalization of the European telecommunications market. In the
           U.S., for example, resellers were a significant factor in the
           expansion of competition.
 
                                       75
<PAGE>   79
 
        -  Value Added Networks ("VANs") and other Service Providers.  VANs are
           data communications systems in which special service features enhance
           the basic data transmission facilities offered to customers. Many of
           these networks are targeted to the data transfer requirements of
           specific international customer segments such as airlines and
           financial institutions. VANs' basic network transmission requirement
           is to connect data switches or processors. VANs currently purchase
           their own international circuits and build additional resiliency into
           their network infrastructure. HER will allow them to meet these needs
           cost-effectively, and to extend their services to new markets or
           customers without substantial capital investment.
 
     HER expects that additional demand for alternative service providers will
come from increased usage of dedicated circuits for Internet access, private
lines for the deployment of wide-area networks by large corporations, "single
source" local and long distance services by small and medium-sized businesses
and emerging broad band applications such as cable TV programming distribution
(other than broadcast) to the end user.
 
     CURRENT OPERATIONS
 
     HER currently operates an approximately 1,700 kilometer network connecting
the cities of Brussels, Antwerp, Rotterdam, Amsterdam, London and Paris. HER
began initial trials of a 244 kilometer portion of the network between Brussels
and Amsterdam in the third quarter of 1996 and commenced commercial service in
November 1996. Commercial service connecting Paris to Amsterdam, Brussels and
London started in November 1997. HER's Network Operations Center located in
Brussels, Belgium and its backup center located in Antwerp, Belgium are fully
operational and house network management and customer support services which
operate 24 hours a day, seven days a week. Billing and customer service
functions are also operational.
 
     NETWORK DESIGN
 
     Network Architecture.  The network architecture is based on a highly meshed
flat topology which covers a wide geographical area with large distances between
individual network nodes. This architecture allows rerouting of traffic at
electronic speeds in the event of a network failure. This approach also lowers
network cost by allowing each node to be sized to match anticipated traffic
volumes rather than to a standard capacity. Individual nodes can be configured
to connect any trunk to any other in the nodes, thus allowing efficient
transmission of traffic. Each node will be connected to at least two other nodes
allowing rerouting of traffic in the event of a network failure. HER believes
that its network will be the first cross border pan-European network with such
redundancy.
 
     The HER network has been designed to be controlled by a single network
management center and supported by advanced operational support systems. A
centralized network center can pinpoint overloaded pathways or malfunctioning
circuitry and reroute traffic much more quickly than networks controlled by
separate network centers operated by PTOs in different countries. HER primarily
uses Alcatel for the supply of transmission equipment and network management
systems. HER's advanced operational support systems allow it to correct network
failures and isolate equipment faults with greater speed and at a lower cost
than is the case with heterogeneous multi-operator networks. Critical elements
of the network, including network maintenance and control systems, are designed
with redundancy in order to ensure a high quality of service. The network design
has several important resilience features including: multiple paths to each
node, built-in hardware redundancy and redundant power supplies. For all network
routings, there will be at least two paths. Should service failure occur on one
route, the network is designed to automatically re-route traffic to another
route. HER believes that these techniques will result in performance of 99.98
percent or better for premium service customers for most routes.
 
     HER expects to operate the entire network and to own substantially all of
the network equipment as well as some segments of the fiber optic cable. A
substantial part of the fiber is leased on a long-term basis. Long-term leases
for fiber are advantageous to HER because they reduce the capital expense burden
of building large quantities of capacity before they can be used. Where HER
leases dark fiber, the infrastructure provider
 
                                       76
<PAGE>   80
 
will generally be responsible for maintaining such fiber optic cable. HER will
enter into agreements with Alcatel and infrastructure providers and other third
parties to supply and/or maintain the equipment for the HER network. See "Risk
Factors -- HER Network Roll-out."
 
     Network Capacity.  The network will consist of Synchronous Digital
Hierarchy ("SDH") STM-16 links managed by equipment and operating centers owned
by HER and running on dark fiber leased from infrastructure providers or built
by HER on leased rights of way. Each line system and multiplexer works initially
at the 2.5 Gbps (STM-16) level. The most important types of equipment used or to
be used in this network are Add-Drop Multiplexors ("ADMs") and regulators and a
variety of optical amplifiers for boosting optical signals. The STM-16 links are
expected, where needed, to be upgraded to STM-64. Furthermore, fibers will be
multiplexed using WDM, also as required. Additional capacity can be achieved by
adding new fiber accesses to a given city over alternative routes, thereby
achieving more meshing and the resulting improved network availability.
 
     Network Agreements.  HER has entered into agreements and letters of intent
with various infrastructure providers for construction and/or dark fiber lease
of portions of the HER network. HER's agreements for leases of portions of the
network typically required the infrastructure provider to provide a certain
number of pairs of dark fiber and node and/or regenerator sites along the
network route commencing on certain dates provided by HER. The term of a lease
agreement typically ranges from 10 to 18 years. An agreement typically contains
optical specification standards for the fiber and methods of testing. HER is
allowed to use the cable for the transmission of messages and in other ways,
including increasing capacity. The infrastructure provider also provides space
for the location of equipment and spare parts and guarantees the provision of
power and other utilities together with environmental controls and security to
ensure the proper functioning of the equipment. The infrastructure provider is
typically responsible for maintenance of the cable and the provision of first
line maintenance to equipment and permits HER access to such facilities. Access
arrangements to the nodes are also provided so that connection may be made to
HER customers or to the rest of the network. An agreement also provides for an
annual price for the provision of fiber and for the facilities and maintenance.
The agreements typically provide for termination by the parties only for
material breach, with a 90 day minimum cure period. The agreements typically
contain a transition period after termination of the agreement to allow HER to
continue to serve its customers until it can reach agreement with an alternative
infrastructure provider.
 
     Local Access.  Access to the HER network will be provided to clients
through SDH access lines including at the STM-1 or STM-4 level. However,
customers who continue to use the older PDH technology may also access the HER
network. In each city, as a HER point of presence is deployed, HER may contract
with a local access network supplier for "last mile" services to customer
locations. HER will not invest in building local access infrastructure but such
connectivity can be supplied on a case-by-case basis via preferred local access
partner arrangements. Currently Telfort in the Netherlands and Belgacom in
Belgium are providing local access to the operating Amsterdam-Brussels route. In
London and Paris, HER has contracted with local access providers to connect the
HER network to intra-city networks in those cities. Pursuant to this agreement,
HER can offer its carrier customers local connectivity in those cities. Various
Local Access Network Suppliers may also be interested in HER for the purpose of
linking the business centers in which they are active. Therefore, the
 
                                       77
<PAGE>   81
 
Company believes that the relationships between HER and local access network
suppliers can benefit both parties. Set forth below is an illustration of the
connection between the HER network and local access providers.
 
                            [SDH/WDM NETWORK CHART]
 
     Network Routes.  The table below sets forth the current planning dates of
the development of routes in the initial network in the first five countries.
 
<TABLE>
<CAPTION>
                                   ESTIMATED
                                   COMMERCIAL
                                    SERVICE              TOTAL ROUTE
                                  AVAILABILITY          KILOMETERS OF
FROM              TO                  DATE                  FIBER
- ------------      ----------      ------------          --------------
<S>               <C>             <C>                   <C>
Amsterdam         Brussels        Operational                244
Amsterdam         London          Operational                458
Brussels          London          Operational                474
Paris             Brussels        Operational                514
Dusseldorf        Amsterdam       April 1998                 246
Paris             Frankfurt       June 1998                  574
Frankfurt         Dusseldorf      June 1998                  236
</TABLE>
 
     HER is currently operating on an approximately 1,700 kilometer portion of
the network. Under HER's current plan, HER expects to have an aggregate of
approximately 3,200 kilometers completed in the first half of 1998,
approximately 10,200 kilometers completed at the end of 1998 and the entire
18,000 kilometer network completed by the year 2000. Hermes also plans to lease
capacity on a transatlantic cable linking the European network with North
America in 1999.
 
     The Dusseldorf-Amsterdam, Frankfurt-Dusseldorf and Paris-Frankfurt fiber
optic routes are currently under construction. "Under construction" means that
with respect to each of the segments that make up each of these routes, one of
the following is occurring: (i) HER has contracted to build or is contracting to
build the
 
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<PAGE>   82
 
fiber optic cable segment, and (ii) HER has leased or will lease such segment of
dark fiber optic cable from a third party who has built or is currently building
such segment. The dates set forth above may be subject to delays due to a
variety of factors, many of which are beyond the control of the Company. See
"Risk Factors -- HER Network Roll-Out."
 
     HER is deploying the network along the rights-of-way of several
shareholders as well as the rights-of-way of a variety of alternative sources,
including motorways, waterways, pipelines and utilities. The rights-of-way of
HER-built portions of the network will be provided pursuant to long-term leases
or other arrangements entered into with railroads, highway commissions, pipeline
owners, utilities or others. HER generally prefers to use the infrastructure of
its rail-based shareholders when such infrastructure is available on a timely
and commercially reasonable basis. In certain cases, however, HER has not been
able to reach agreement with such shareholders for the provision of
rights-of-way along their railways, which has resulted in significant delays to
the network buildout. In all cases, it is the policy of HER to evaluate multiple
alternative infrastructure suppliers in order to maximize flexibility. As a
result of its network development activities to date, HER has gained access to
infrastructure for its network routes which, in certain cases, HER believes will
be difficult for its competitors to duplicate.
 
     Competition
 
     The European and international telecommunications industries are
competitive. HER's success depends upon its ability to compete with a variety of
other telecommunications providers offering or seeking to offer cross-border
services, including (i) the respective PTO in each country in which HER operates
and (ii) global alliances among some of the world's largest telecommunications
carriers. HER expects that some of these potential competitors may also become
its customers. HER believes that the ongoing liberalization of the European
telecommunications market will attract New Entrants to the market and increase
the intensity of competition. Competitors in the market compete primarily on the
basis of price and quality. HER intends to focus on these factors and on service
innovation as well. HER business plan anticipates substantial head-to-head
competition as well as indirect competition.
 
     WorldCom recently announced plans to construct a pan-European fiber
network, the first phase of which is expected to connect London, Amsterdam,
Frankfurt, Brussels and Paris by early 1998. Although the Company believes that
the proposed WorldCom pan-European network is primarily intended to carry
WorldCom traffic, WorldCom has stated that any excess capacity on such network
will be used to provide a competitive carrier's carrier service.
 
     Viatel, Inc. ("Viatel") also recently announced its intention to build a
pan-European fiber optic network connecting select cities in Belgium, France,
the Netherlands and the United Kingdom. Excess capacity would be available for
other carriers. Viatel has stated that, assuming that it obtains necessary
financing, construction would begin in spring 1998 and the network would become
operational in 1999.
 
     HER also competes with respect to its "point-to-point" transborder service
offering against circuits currently provided by PTOs through International
Private Leased Circuits. In addition, the liberalization of the European
telecommunications market is likely to attract additional entrants to both the
"point-to-point" and other telecommunications markets.
 
     If HER's competitors, many of whom possess greater technical, financial and
other resources than HER, devote significant resources to the provision of
pan-European, cross-border telecommunications transport services to carriers,
such action could have a material adverse effect on HER's business, financial
condition and results of operations. There can be no assurance that HER will be
able to compete successfully against such new or existing competitors. See "Risk
Factors -- Competition."
 
     HER RECAPITALIZATION
 
     HER has completed a recapitalization (the "HER Recapitalization"), wherein
HER extended rights to subscribe to additional shares of HER to GTS-Hermes, HIT
Rail and the eleven railways comprising the HIT Rail consortium. Pursuant
thereto, GTS-Hermes and two of the eleven railways that comprise the HIT Rail
consortium have exercised their subscription rights, while HIT Rail and the
other nine railways have declined to
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exercise their subscription rights. HER has issued (i) 150,592 shares to
GTS-Hermes in exchange for the conversion of loans and additional consideration,
(ii) 24,007 shares to HIT Rail in exchange for the conversion of loans, (iii)
11,424 shares to Societe Nationale des Chemins de Fer Belges S.A. de Droit
Public/Nationale Maatschappij der Belgische Spoorwegen N.V. Van Publiek Recht
(the Belgian national railway) ("SNCB/NMBS") and (iv) 4,365 shares to AB Swed
Carrier (a wholly owned subsidiary of SJ, the Swedish national railway). As a
result, GTS-Hermes owns 79.1%, HIT Rail owns approximately 12.6%, SNCB/NMBS owns
6.0% and AB Swed Carrier owns 2.3% of the issued HER shares. Pursuant to the HER
Recapitalization, HER, GTS-Hermes, HIT Rail, SNCB/NMBS and AB Swed Carrier have
executed a new Shareholders Agreement, the principal terms of which are set
forth below.
 
     Under the new Shareholders Agreement, actions to be taken by shareholders
will be adopted by a simple majority vote with the exception of certain actions
which will require at least 85% of the votes cast: (i) purchase by HER of its
own shares and any redemption thereof, (ii) exclusion of preemptive rights in
the case of the issuance of new shares and the transfer of shares held by HER,
except in the event of a public listing of the shares or of new shares or of an
offering of shares or options on new shares (warrants) to professional investors
in order to obtain further funding, (iii) winding up or dissolution of HER, (iv)
any amendment to the articles of association other than those pertaining to
increases in the authorized capital of HER or to convert HER into an N.V.
("Naamloze Vennootschap") to enable a public listing of shares or new shares,
(v) any amendment to the scope of HER's business, (vi) the declaration of
dividends and (vii) the admission of new shareholders to the Shareholders
Agreement. In addition, the Shareholders Agreement provides that (a) if
GTS-Hermes is the owner of at least 50% of the issued shares, then it will have
the right to make a binding nomination for the appointment of half of the
members of the Board of Supervisory Directors or (b) if GTS-Hermes is the owner
of at least two-thirds of the issued shares, then it will have the right to make
a binding nomination for the appointment of half of the members of the Board of
Supervisory Directors plus one member more, appointed pursuant to nominations by
all other shareholders. As long as HIT Rail is the owner of at least one share,
HIT Rail will be entitled to make a binding nomination for the appointment of at
least one member of the Supervisory Board. The Shareholders Agreement also
provides that shareholders who participated in the capital restructuring other
than GTS-Hermes and HIT Rail with a shareholding of at least 6.8% subject to
adjustment in the discretion of the other shareholders will be entitled to make
a binding nomination for the appointment of one member of the Board of
Supervisory Directors. Shareholders who participated in the capital
restructuring other than GTS-Hermes and HIT Rail who hold fewer than 6.8% of the
issued share capital of HER will be entitled on a rotating basis to make one
binding nomination for the appointment of a member of the Board of Supervisory
Directors for two-year periods.
 
     Articles of Association and Shareholders Agreement
 
     Under the Articles of Association and the Shareholders Agreement, both
GTS-Hermes and HIT Rail have preemptive rights in connection with issuances of
ordinary shares and options on shares to be issued in proportion to the total
nominal value of the shares held by each of them. Preemptive rights can be
exercised for four weeks after the date the notice of the offer is received by
the shareholders.
 
     The Shareholders Agreement provides that HER or its designated vendor will
provide fiber capacity in its network for use by the shareholders of HER on fair
commercial terms, use, quantity and price to be negotiated on a bilateral basis.
In the Shareholders Agreement, HIT Rail has covenanted to (i) use its best
efforts to establish such commercial agreements between individual HIT Rail
shareholders and HER, to obtain rights of way from individual HIT Rail
shareholders and to cooperate in obtaining such licenses as may advance the
business of HER, (ii) use its best efforts to ensure that the HIT Rail
shareholders cooperate in obtaining such license in accordance with the business
plan of HER and as may be necessary or advisable in furtherance of HER's
business, (iii) will not, so long as both HIT Rail and GTS-Hermes are
shareholders of HER and for one year after HIT Rail ceases to be a shareholder,
agree with any entity other than GTS-Hermes or HER to assist or cooperate in the
development of any pan-European telecommunications operator and (iv) use its
best efforts to obtain on HER's behalf such materials as may be required and
arrange inspection visits of selected rights of way for the purpose of making
initial cost estimates.
 
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     The foregoing summary of the Shareholders Agreement does not purport to be
complete and is qualified in its entirety by reference to the Shareholders
Agreement.
 
     LICENSES AND REGULATORY ISSUES
 
     A summary discussion of the regulatory framework in the countries of the
network in the first five countries and the next five countries into which HER
expects to develop the network is set forth below. This discussion is intended
to provide a general outline, rather than a comprehensive discussion, of the
more relevant regulations and current regulatory posture of the various
jurisdictions.
 
     National authorities in individual member states of the EU are responsible
for regulating the operation (and in some cases the construction) of
telecommunications infrastructure. HER believes that the adoption of the Full
Competition Directive and the various related Directives adopted by the European
Parliament and the Council of the EU have resulted in the removal of most
regulatory barriers to the operation of telecommunications infrastructure in the
countries of the initial network in the first five countries.
 
     HER requires licenses, authorizations or registrations in all countries to
operate the network. There can be no assurance that HER will be able to obtain
such licenses, authorizations or registrations or that HER's operations will not
become subject to other regulatory, authorization or registration requirements
in the countries in which it plans to operate. Licenses, authorizations or
registrations have been obtained in the United Kingdom, the Netherlands,
Belgium, France and Germany and a trial concession has been granted in
Switzerland. HER intends to file applications in other countries in anticipation
of service launch in accordance with the network roll-out plan.
 
     On June 28, 1990, the European Commission, in an effort to promote
competition and efficiency in the European Union, issued a directive (the "1990
Directive") requiring EU member states to immediately liberalize all
telecommunication services with the exception of voice telephony to the general
public (basic voice services provided over the public switched voice network).
This step liberalized value added services and voice services over corporate
networks and/or "closed user groups," although the exact definitions of the
terms used in the 1990 Directive were not altogether clear.
 
     On July 22, 1993, the Council of EU agreed that all voice telephony
services in EU member states should be liberalized by January 1, 1998 subject to
additional transitional periods of up to five years to allow member states with
less developed networks to achieve the necessary adjustments. It was agreed that
such exemptions would be granted to Spain, Ireland, Greece and Portugal, subject
to formal application and satisfaction of certain requirements. Luxembourg,
because of the small size of its market, would be eligible for a special
transitional period of up to two years.
 
     In April 1995, a communication from the European Commission sought to
clarify the types of services that were liberalized by the 1990 Directive,
stating that the burden of proof as to why a service should be considered
"reserved" and therefore not open to competition should be upon the PTOs and the
regulatory authorities of member states. Along with this statement came the
threat of formal procedures under the Treaty of Rome against member states that
do not implement the 1990 Directive "within a reasonable time." Procedures have
been brought so far against Italy, Greece, Germany and Spain for failing to
apply the requirements of the 1990 Directive.
 
     On March 13, 1996, the European Commission adopted the Full Competition
Directive extending the 1990 Directive to all services, requiring that licensing
procedures for these services be transparent and non-discriminatory, requiring
member states to fully liberalize alternative infrastructure to allow a
competitive market for "non-reserved" services such as data, value added
services and non-public (closed-user group) switched voice services by July 1,
1996 and mandating open competition in all public telecommunications services,
including voice telephony to the general public, by January 1, 1998 (except for
countries to which grace periods were granted in accordance with the 1993
Council Resolution).
 
     On April 10, 1997, the European Parliament and the Council of Ministers
adopted a Directive on a common framework for general authorizations and
individual licenses in the field of telecommunications services, including
networks. Licenses must be awarded through open, non-discriminatory and
transparent procedures and applications will be required to be dealt with in a
timely fashion. The number of licenses may
 
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<PAGE>   85
 
only be restricted to the extent required to ensure the efficient use of radio
frequencies or for the time necessary to make available sufficient numbers in
accordance with EC law.
 
     HER believes that many European countries have revised telecommunications
regulations to comply with the 1990 Directive and the Full Competition Directive
and that such changes will enhance HER's ability to obtain other necessary
regulatory approvals for its operations.
 
     As a multinational telecommunications company, HER is subject to varying
degrees of regulation in each of the jurisdictions in which it provides its
services. Local laws and regulations and the interpretation of such laws and
regulations, differ significantly among the jurisdictions in which HER operates.
There can be no assurance that future regulatory, judicial and legislative
changes will not have a material adverse effect on HER, that domestic or
international regulators or third parties will not raise material issues with
regard to HER's compliance or noncompliance with applicable regulations or that
regulatory activities will not have a material adverse effect on HER. See "Risk
Factors -- Government Regulation." The regulatory framework in certain
jurisdictions in which HER provides its services is briefly described below.
 
     United Kingdom
 
     Since the elimination in 1991 of the United Kingdom telecommunications
duopoly consisting of British Telecommunications and Mercury, it has been the
stated goal of Oftel, the United Kingdom telecommunications regulatory
authority, to create a competitive marketplace from which detailed regulation
could eventually be withdrawn. The United Kingdom has already liberalized its
market beyond the requirements of the Full Competition Directive, and most
restrictions on competition have been removed in practice as well as in law. HER
has received a license from the Secretary of State for Trade and Industry which
grants it the right to run a telecommunications system or systems in the United
Kingdom connected to an overseas telecommunications system and to provide
international services over such systems. Like the licenses granted to other
providers of international facilities-based services, the license granted to HER
on December 18, 1996 was for an initial six months' duration and thereafter is
subject to revocation on one month's notice in writing. The short duration of
these initial licenses was adopted for administrative convenience on the
opening-up of the United Kingdom market for international facilities-based
services. The Department of Trade and Industry ("DTI") has confirmed that it
intends to replace the initial licenses with new licenses and that it would not
normally expect to revoke an initial license without replacing it with another
license giving an equivalent authorization. The DTI is currently discussing with
license holders the arrangements to put these new licenses into effect and
although the DTI has indicated that the new licenses are expected to be of 25
years duration, there can be no certainty that this will be the case or that the
new licenses will not contain terms or conditions unfavorable to HER.
 
     The Netherlands
 
     On July 1, 1997 the Dutch government abolished the prohibition on the use
of fixed infrastructure for the provision of public voice telephony, thereby
complying with the requirements of the Full Competition Directive six months
ahead of schedule. On August 1, 1996, HER was granted a license for the
installation, maintenance and use of a fixed telecommunications infrastructure.
 
     An entirely new Telecommunications Bill was introduced to the Second
Chamber (the House of Representatives) of the Parliament on September 15, 1997.
The new Telecommunications Act is intended to confirm the full liberalization of
the telecommunications market according to European Community standards. It is
not expected that the new Telecommunications Act will detrimentally affect the
conduct of business by HER.
 
     Belgium
 
     Belgium has implemented the "alternative infrastructure" provider provision
of the Full Competition Directive. The decision-making process regarding the
adoption of the full package of liberalization legislation (including licensing
regimes for voice telephony and public network infrastructure) is in the final
stages and is anticipated to be completed in early 1998. Given the fact that the
implementation of the EC Directives is late,
 
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<PAGE>   86
 
the Belgian authorities have made public that they will work during the first
months of 1998 with a system of provisional licenses. HER has obtained, through
a wholly-owned subsidiary, a license from the Belgian regulatory authority to
provide liberalized services using alternative infrastructure and is currently
operating under its license in Belgium on the Brussels-Amsterdam route. HER also
has authorization to build infrastructure between major Belgian population
centers and the relevant border crossings. The liberalization legislation is
expected to require all previously licensed operators to apply for new licenses
or authorizations. HER expects that, in such event, its existing licenses and
authorizations would be renewed in due course, although there can be no
assurance that this will be the case.
 
     Germany
 
     Germany has approved legislation to implement the Full Competition
Directive and remove all remaining restrictions on competition from January
1998. HER was granted a license by the German regulatory authorities on July 18,
1997. The license permits HER to operate the portions of the network in Germany
connecting Dusseldorf, Frankfurt and Stuttgart; Dusseldorf to the Dutch border;
and Stuttgart to the French and Swiss borders. HER expects to extend its license
in Germany as appropriate in order to enable it to operate the remaining
portions of the network in Germany.
 
     France
 
     A new regulatory agency, the Autorite de Regulation des Telecommunications
("ART"), was established in France effective January 1, 1997. In 1996, France
approved legislation to implement the Full Competition Directive and to remove
all remaining restrictions on competition from January 1998. HER applied for an
authorization to operate its network in specific regions of France, which was
approved on October 22, 1997. In October 1997, HER obtained authorization to
operate its network in specific regions of France. Such authorization requires
prior notification to and approval of the ART of any substantial changes in the
capital of HER or its controlling shareholder. HER intends to notify ART of the
Stock Offerings.
 
     Switzerland
 
     The Swiss Parliament has recently passed a new Telecommunications Law which
will enter into force on January 1, 1998. Although Switzerland is not a Member
State of the EU, the effect of the law is largely to mirror the EC
telecommunications liberalization Directives and therefore from that date
existing voice telephony monopoly will be abolished and such services will be
fully liberalized. An independent national regulatory authority has previously
been established. HER obtained a trial concession on October 30, 1997, in order
to roll out its network and to provide its services in advance of the full
liberalization coming into effect on January 1, 1998. This concession expired on
December 31, 1997. However, the Swiss regulator has invited HER to submit a new
application for a concession and HER expects to obtain a permanent concession in
due course. No assurance can be given that such new concession will be granted
or granted on terms acceptable to HER.
 
     Italy
 
     Although in the past Italy has been dilatory in implementing EC
liberalization measures, Italy enacted legislation on July 31, 1997 which
substantially completes the liberalization of services in accordance with the
Full Competition Directive. The Parliament has also approved the creation of an
independent national regulatory authority for the telecommunications and
audiovisual sectors. The most recent EC liberalization Directives relating to
licensing and interconnection has been implemented. HER intends to apply for a
license to provide its services in due course.
 
     Spain
 
     Under the Full Competition Directive Spain was granted the right to request
a delay of up to five years in liberalizing fully its telecommunications market.
However, the Spanish government and the European Commission have agreed that
full liberalization should take place on December 1, 1998. In order to ensure
effective liberalization from that date, the Commission Decision granting the
eleven month extension sets out a timetable of interim measures leading up to
full liberalization. These measures include the passing of legislation
authorizing regional cable operators to provide telecommunications services and
the adoption of a
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<PAGE>   87
 
new General Telecommunications Bill effectively transposing EC Directives into
Spanish law. Further RETEVISION, S.A. has been granted a second national
operator's license to compete with the national PTO and Spain has agreed to
grant a third national operator license in early 1998. HER intends to apply for
a license to provide its services in due course.
 
     Sweden
 
     Full liberalization of the Swedish telecommunications market occurred in
1993. A new Telecommunications Act was passed this year to reinforce the powers
of the national regulatory authority, to ensure conformity with EC Directives
and to supplement the pre-existing licensing regime with a general authorization
regime for services other than telephony services, mobile services and leased
lines. HER intends to register to provide its services in due course.
 
     Denmark
 
     With the liberalization of infrastructure from July 1, 1997 Denmark has
fully liberalized its telecommunications markets in accordance with the
requirements of the relevant EC Directives. An independent national regulatory
authority has been established. According to the Danish rules, HER will not
require any regulatory approval in order to install or operate the network in
Denmark.
 
  GTS-MONACO ACCESS
 
     GTS owns a 50% interest in and manages GTS-Monaco Access, a joint venture
with the Principality of Monaco created to develop Monaco's existing
international telecommunications infrastructure into an international gateway
hub for transport of international traffic to European and overseas
destinations. The Principality has constructed and operates a sophisticated
international gateway infrastructure that includes an international digital
switching center and a satellite earth station to support significant amounts of
carriers' carrier traffic. Through Monaco's network, GTS-Monaco Access is linked
to approximately 170 countries worldwide. GTS believes that this partnership
provides it with the opportunity to build a strong international gateway
operator in lucrative Western European markets.
 
     GTS-Monaco Access offers competitively priced international switching and
transit services, primarily to the "wholesale" international gateway and
carrier-to-carrier portion of the international calling market, as distinguished
from "retail" services offered to end users. Basic service offerings include (i)
international switched traffic; (ii) international private lines; (iii)
facilities management, including billing, customer management and fault
reduction systems; (iv) resale distribution for Internet service providers; and
(v) prepaid calling card platform services.
 
     With the cooperation of Monaco Telecom ("MT"), GTS-Monaco Access is
entitled to exercise the privileges of signatories to international treaties
such as the ITU, and to international satellite agreements, such as Intelsat,
Inmarsat and Eutelsat. Other signatories are generally PTOs and other
quasi-governmental telecommunications entities. GTS-Monaco Access purchases
capacity on international fiber routes at rates available only to recognized
operators which are substantially below the rates charged to other service
providers. These fiber-based facilities are an important element for GTS-Monaco
Access's core network and provide it with capacity that may be leased or resold
to customers. Monaco inaugurated its independent country code, 377, on June 21,
1996, which made it eligible for certain privileges, including special terms
(generally reserved for PTOs) in connection with transmission agreements,
transit agreements, settlements and low-cost accounting rates with select
carriers.
 
     GTS's partner in GTS-Monaco Access is an investment fund designated by the
Principality of Monaco to represent its interests. GTS-Monaco Access functions
in cooperation with MT under a commercial agreement governing, among other
things, the terms of use of existing facilities, access to and acquisition of
new international infrastructure, and sales and marketing. GTS exercises
operational control of the joint venture, and provides managerial and financial
support, international telecommunications expertise and strategic planning.
Neither GTS nor its partner is obligated to fund operations or capital
expenditures of GTS-Monaco Access. Losses and profits of GTS-Monaco Access are
allocated to the partners in accordance with their
 
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ownership percentages, in consideration of funds at risk. As of September 30,
1997, GTS and its partner had each made equity contributions of $0.8 million to
GTS-Monaco Access. In addition, GTS-Monaco Access had outstanding loans of $2.9
million to GTS as of September 30, 1997. See "Management's Discussion and
Analysis -- Accounting Methodology -- Profit and Loss Accounting." The agreement
between GTS-Monaco Access and MT, by its terms, continues in operation until
2020.
 
     BUSINESS AND MARKETING STRATEGY
 
     GTS's strategy for developing GTS-Monaco Access into an international
gateway hub includes the following:
 
     - Develop Advanced Carrier Services Offerings. GTS-Monaco Access intends to
       develop its "advanced carrier services" offerings to include global 0800
       services and international free phone services, which GTS believes will
       broaden customer relationships, enhance revenues and help to protect it
       from price-based competition.
 
     - Develop Relationships to Broaden Service Offerings. GTS-Monaco Access has
       begun to develop relationships to broaden its service offerings.
       GTS-Monaco Access has entered into agreements with UUNET, one of its
       gateway customers, to provide wholesale Internet access to GTS-Monaco
       Access's carrier customers in a number of Western European countries. The
       agreement allows these services to be "cobranded" with GTS's affiliates.
 
     - Pricing. Price is a critical factor in the market for international
       switching as competition increases due to expanding international
       capacity, advances in technology and falling regulatory barriers. GTS-
       Monaco Access intends to price its services competitively with the
       prevailing price for comparable inter-PTO transit and gateway services.
       GTS-Monaco Access is not bound by legacy systems, infrastructure and
       personnel levels and can, therefore, manage lower cost operations.
 
     - Leverage Non-Aligned Position. Because GTS's Western European activities
       are not allied with any of the major consortia or large Western European
       telecommunications companies, and generally focus on carriers' carrier
       services, GTS-Monaco Access will not compete with its carrier customers
       in retail markets. This independence should make GTS-Monaco Access an
       attractive service provider for Western European carriers who may
       otherwise be reluctant to obtain services from the larger operators of
       international gateways that are often their competitors in the retail
       market.
 
     - Exploit GTS Synergies. GTS-Monaco Access may ally with other GTS
       companies in Europe and the CIS. GTS-Monaco Access is expected to realize
       significant reductions in its cost structure through access to low-cost
       pan-European transmission capacity through alternative infrastructure
       providers such as HER, Sovintel and C-Datacom International, Inc., GTS's
       Indian venture, already route international traffic through GTS-Monaco
       Access's gateway.
 
     CUSTOMERS
 
     Targeted customers for GTS-Monaco Access include:
 
     - Non-Aligned PTOs. GTS believes that various large American and Western
       European PTOs that lack adequate international switching and transport
       facilities of their own may be persuaded to purchase international
       services from GTS-Monaco Access, rather than from competing PTOs or
       consortia.
 
     - Mobile Carriers. GTS believes that some of the non-PTO mobile carriers,
       which currently provide only a small percentage of Western European
       mobile telecommunications traffic, may prefer the "independent"
       international gateway service offerings of GTS-Monaco Access to those of
       their PTO competitors.
 
     - Internet Service Providers. Growth in Internet usage creates a
       significant opportunity for a nonaligned Internet access provider such as
       GTS-Monaco Access, since many Internet service providers will be in
       direct competition with PTO-owned services in large European markets.
 
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     - Second Carriers/Resellers. GTS believes that many second carriers will
       seek to enter new markets quickly without investing in international
       switching capacity.
 
     - Established ("Aligned") PTOs. This customer segment will be a niche
       market for GTS-Monaco Access. As markets are deregulated and carriers
       become increasingly competitive, traditional friendly correspondent
       relations may become strained, and opportunities may emerge to leverage
       GTS's non-aligned status to route traffic between rivals or to displace
       incumbents for transit relationships.
 
     - Other GTS Companies. GTS-Monaco Access currently provides gateway
       services indirectly to Sovintel, CDI and other GTS companies that
       aggregate traffic or provide international long distance services. It may
       also provide these services to HER.
 
     In January 1998, GTS-Monaco Access terminated its relationship with a major
traffic partner, as a result of which GTS expects that the venture will lose
approximately $6 million of revenues in 1998. Although GTS-Monaco Access is
putting in place plans to replace such revenues from other sources, no assurance
can be provided that such revenues will be replaced in the current fiscal year.
 
     NETWORK
 
     GTS has enhanced MT's existing technology platform of digital switching,
fiber optic transmission, satellite and submarine cable facilities by
interconnecting this existing network infrastructure to multiple terrestrial
routes covering Europe and to undersea fiber optic cables connecting the
GTS-Monaco Access network to Asia and the Americas.
 
     The network infrastructure of GTS-Monaco Access is complementary with that
of HER, with each serving the carriers' carrier market from different
perspectives; HER for bandwidth services and GTS-Monaco Access for switched call
terminations and other carrier services.
 
     LICENSES AND REGULATORY ISSUES
 
     Because it operates in coordination with MT, the licensed operator of the
Monaco public network, and in indirect partnership with the government,
GTS-Monaco Access's telecommunications activities in Monaco require no
telecommunications license.
 
     Because the Principality of Monaco is not an EU member state, GTS-Monaco
Access's telecommunications activities in the Principality are not subject to
European law. However, GTS-Monaco Access will have to comply with EU regulation
to the extent it does business in EU member states. The regulatory requirements
established by the EU create general guidelines under which the national
agencies of EU member states regulate. Accordingly, local laws and regulations
may differ significantly among these jurisdictions, and the interpretation and
enforcement of such laws and regulations may vary. Local rules are sometimes
based on the informal views of the local ministries which, in some cases, are
subject to influence by the local PTOs. In certain of the Company's existing and
target markets, there are laws and regulations which affect the number and types
of customers which the Company can address. For instance, certain countries may
and do require licenses for communication companies to interconnect to the
public network to originate traffic.
 
     In addition, one of the services provided by GTS-Monaco Access is a form of
transit service, known in the industry as "re-filing." Re-filing is the practice
of routing traffic through a third country in order to take advantage of
disparities in settlement rates between different countries, allowing traffic to
a potential country to be treated as if it originated in the third country that
enjoys lower settlement rates with the destination country, thereby resulting in
lower overall costs on an end-to-end basis. Re-filing is prevalent in the
industry even though the practice is technically in contravention of ITU
regulations. In practice, because of the widespread non-observance of these
regulations, such a contravention normally does not give rise to specific legal
problems. However, their enforceability essentially depends on the status given
to ITU obligations by Member countries' domestic laws. Accordingly, there can be
no assurance that GTS-Monaco Access's re-filing services might not be disrupted
or be the subject of legal process at some time in the future. In such event,
within the EU a defense may be available that the ITU regulations are
anti-competitive and contravene the Treaty of Rome, although there can be no
certainty that such a defense would succeed.
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     COMPETITION
 
     GTS-Monaco Access faces competition from consortia of telecommunications
operators, large PTOs and other international telephone operators with advanced
network infrastructures, access to large quantities of long-haul capacity and
established customer bases. PTOs currently providing large amounts of
international traffic have already established direct routes, transit
arrangements and correspondent relations and many have excess capacity that they
resell in competition with GTS-Monaco Access.
 
     With the advent of deregulation in the Western European telecommunications
markets in 1998, opportunities for the establishment of international gateways
will likely develop in Europe and as a result competition in the market for GTS
Monaco Access's services will increase. During the first quarter of 1998, GTS
intends to evaluate various locations in Europe for the establishment of
international hubs based upon prospective costs and the availability of call
routing at these locations. GTS plans to locate these prospective points of
presence in cities served by HER and to allow the termination of traffic through
HER. GTS Monaco Access may benefit from the establishment of these points of
presence by incurring reduced transmission expenses.
 
     While GTS believes that GTS-Monaco Access will be able to compete
effectively in certain identified market segments because most of its targeted
customers are in new and fast growing markets and have not established long-term
relationships with international gateway providers, and because it has equal
access to advanced infrastructure and international fiber routes, potential
access to low cost transport from HER and an "independent" status that allows it
to service a worldwide range of potential customers, GTS intends continually to
review the competitiveness of GTS-Monaco Access with respect to its competitors.
 
CENTRAL EUROPE
 
     In Central Europe, GTS's objective is to become one of the leading
alternative telecommunications providers in the region. GTS currently provides
private data communications services to government and commercial customers in
Hungary and the Czech Republic. In the Czech Republic, the Company provides
outgoing voice services and operates an international gateway and a data
services network. In Hungary, GTS operates a VSAT network which GTS believes is
the largest VSAT network in Central Europe as measured by number of VSAT sites.
The Company has also signed an agreement to provide international data services
in Poland, subject to receipt of necessary governmental approvals. GTS's
strategy is to expand its service offerings as the regulatory environment
permits, leveraging its existing VSAT and international gateway infrastructure
where possible and providing a broad range of services to its target markets.
 
     Hungary
 
     GTS-Hungary. GTS-Hungary, a 99% owned subsidiary of GTS, is a leading
provider of customized data services offering high quality, reliable virtual
private network services to customers throughout Hungary and, through other GTS
affiliates, other countries in Central Europe. GTS-Hungary provides these
services through VSATs installed at customer sites throughout the country and a
microwave-based high speed overlay network for points in the Budapest
metropolitan area. Along with these data transmission services, GTS-Hungary
provides high quality customer service including (i) significant system
integration support in the initial implementation of the customers' networks and
in on-going expansion and improvements and (ii) a unique maintenance and
technical support service, which include "rapid response" service calls and
24-hour hub service operations support, which can be backed by financial
guarantees when required.
 
     As of September 30, 1997, GTS-Hungary's VSAT network consisted of
approximately 935 owned and operated VSAT sites which the Company believes makes
it the largest VSAT-based network in Central Europe. GTS believes that its
choice of VSAT technology as a way of quickly deploying a full range of business
services nationwide will allow it to capture key customers and market segments.
Such positioning, the Company believes, will enable GTS-Hungary to expand its
service offerings as the Central European market matures and as regulatory
authorities further privatize and deregulate the telecommunications industry.
GTS-Hungary is undertaking a nationwide expansion of its microwave-based
Budapest overlay network. The expansion will increase GTS-Hungary's revenue base
in the region and provide opportunities to leverage
 
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<PAGE>   91
 
further its other service offerings. There can be no assurance, however, that
the expansion will be completed on a timely and commercially feasible basis.
 
     The Hungarian state lottery is GTS-Hungary's largest customer, accounting
for more than 54% of GTS-Hungary's VSAT revenue for the nine months ended
September 30, 1997. GTS-Hungary has also targeted its VSAT network services to
business customers in the domestic service industry and other government
organizations. Although GTS-Hungary continues to diversify its revenue and
customer base, the loss of the Hungarian state lottery as a customer would have
a material adverse effect on GTS-Hungary's business.
 
     GTS-Hungary generally charges its data services customers a flat monthly
fee for a fixed amount of usage and usage-based fees for use above the
contractual amount. Customers are billed in Hungarian forints (indexed to U.S.
dollars) on a monthly basis. Pricing is generally determined for an individual
client based upon the size of traffic requirements. In general, GTS-Hungary's
strategy is to minimize the initial customer investment in order to lower the
barriers to purchase, while committing customers to long-term contracts.
 
     GTS-Hungary's major competitors include BankNet, Hungaro-DigiTel and MATAV,
the Hungarian PTO, each of which operates a network with at least 200 VSAT
sites. MATAV offers a broad range of services and has recently targeted the
business sector that GTS serves. GTS believes that, while some of its
competitors have stronger financial resources, GTS-Hungary remains the leading
VSAT service provider in Hungary in terms of number of VSAT sites, the size and
quality of its infrastructure and the quality of its service. GTS also believes
it has distinguished itself from its competition by its superior customer
service.
 
     Currently, all VSAT licenses in Hungary have been granted under temporary
telecommunications regulations. The temporary licenses prohibit connection to
public telecommunications networks or other international or domestic
data-transmitting systems. In December 1993, GTS received a temporary service
permit to provide data-transfer services utilizing a VSAT-based wireless
communications system throughout Hungary. In March 1997 the government issued
new telecommunications regulations which require all operations with temporary
licenses to apply for permanent licenses by the end of April 1997. GTS-Hungary
has submitted applications for the conversion of its temporary licenses to
permanent ones. While no assurances can be given, GTS expects permanent licenses
to be issued in due course. The failure to receive such licenses would have a
material adverse effect on the business of GTS-Hungary.
 
     Neither GTS nor its partner in GTS-Hungary are obligated to fund operations
or capital expenditures of GTS-Hungary. Losses and profits of GTS-Hungary are
allocated to the partners in accordance with their ownership percentages, in
consideration of funds at risk. As of September 30, 1997, GTS had made equity
contributions of $9.5 million to GTS-Hungary, GTS' partner has not made any
equity contributions as of September 30, 1997. In addition, GTS-Hungary had
outstanding loans of $3.4 million to GTS as of September 30, 1997. See
"Management's Discussion and Analysis -- Accounting Methodology -- Profit and
Loss Accounting." Further, the joint venture does not have an expiration date.
 
     EuroHivo. In addition to its network and data services, GTS also provides
nationwide paging services primarily to the retail consumer market through its
70% owned joint venture, EuroHivo. GTS has concluded that EuroHivo is not a core
business and is currently assessing offers to sell its interests in EuroHivo. In
connection with this anticipated divestiture, the Company wrote-off its
investment in EuroHivo in the third quarter of 1997. See "Management's
Discussion and Analysis -- Results of Operations -- Consolidated Ventures."
 
     Czech Republic
 
     The Czech Companies. The Czech Companies, which consist of two wholly owned
subsidiaries of GTS, offer the only alternative international telephony service
in the Czech Republic, as well as a full range of private data services,
delivered through a combination of a fully digital microwave overlay network and
an international satellite gateway in Prague and GTS-Hungary's VSAT network.
Through an intercompany arrangement with GTS-Hungary, the Czech Companies
provide all of the same VSAT services offered by GTS-Hungary. In addition, the
Czech Companies offer high-speed Internet access service and are among the
 
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<PAGE>   92
 
leading Internet access providers in the Czech Republic. The Czech Companies
seek to become the second carrier in the Czech Republic and are also targeting
opportunities in Slovakia, based upon the historic relationship between the
Czech and Slovak markets.
 
     The Czech Companies network consist of an earth station linked to
GTS-Monaco Access and to British Telecom, a series of point-to-point and
point-to-multipoint microwave connections providing dedicated access to the
buildings served by the Czech Companies and individual VSATs based on, and
controlled by, GTS-Hungary's hub in Budapest.
 
     The Czech Companies target customers include real estate developers, hotels
and multinational companies which require international voice or data services
or Internet connectivity, where both GTS's own services and the services of GTS
partners are sold. The Czech Companies provide outgoing international voice
services and high-speed Internet access to large commercial buildings in Prague.
As of September 30, 1997, the Czech Companies had concluded agreements with
building owners to convert PABXs in 23 buildings in Prague. International voice
services are offered at prices similar to those of the Czech PTO. The Czech
market for VSAT services is extremely competitive, with prices at approximately
50% of those in Hungary for basic services. The Czech Companies plan to pursue
customers who require value-added services which may be offered at higher prices
and better margins.
 
     The Czech Companies are licensed to provide international satellite and
domestic private voice and data services. They received their operating licenses
in 1994 and 1995 and began offering services in 1995. The licenses grant
permission to install and operate up to 150 earth stations and, upon
application, an additional 150 earth stations. The licenses currently prohibit
the provision of switched voice services and the interconnection to public
voice, telex and data networks and telecommunications networks of other
providers.
 
     The Czech Companies are the only alternative international telephony
provider licensed in the Czech Republic. As such, their only competitor is SPT
Telecom, the Czech PTO. Should SPT decide to compete aggressively with the Czech
Companies, it has the ability to discount prices below those which could be
easily sustained by the Czech Companies. In data services, Telenor, GITY and
Nextel (a subsidiary of SPT Telecom) are the Czech Companies' three major
competitors for data services in the Czech Republic. GTS believes that its
experience in establishing VSAT services in the region and its emphasis on
integrated voice and data services provides the Czech Companies with a
competitive advantage. Additionally, GTS's transmission facilities and
infrastructure in Hungary and Monaco provide them with a relatively low cost
infrastructure and, as a consequence, greater pricing flexibility than their
competitors. With respect to Internet services, GTS believes that, although this
market consists of a large number of small providers and that SPT Telecom will
seek to enter this market, the dedicated, high-speed infrastructure that the
Czech Companies are installing will provide superior services to its customers.
 
ASIA
 
     Chinese law generally prohibits foreign investment or participation in the
operation of telecommunications services, while Indian law requires foreign
telecommunications operators to conduct certain telecommunications businesses,
including basic switched telephony and cellular services, through joint ventures
that are at least 51% owned by Indian partners. GTS believes that these
restrictive regulations will eventually be liberalized and that its early entry
into these markets and its strong relationships with influential commercial
firms and with local, regional and national-level government entities will
provide it with a strong competitive advantage over competitors that await more
explicit regulatory regimes authorizing direct telecommunications investments.
 
     China
 
     GTS participates in the nationwide tourist industry VSAT network through
GTS China Investments LLC, a company in which GTS holds a 75% interest and an
affiliate of the Soros Foundations owns a 25% interest. See "Certain Related
Party Transactions." GTS China Investments LLC holds an indirect 63% interest in
Beijing Tianmu Satellite Communications Technology Co. Ltd. ("Beijing Tianmu"),
which provides technical, operational and financial support for the VSAT
network. In addition, through Shanghai
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<PAGE>   93
 
V-Tech Telecommunications Systems Co., Ltd. ("V-Tech"), a venture in which GTS
holds a 75% interest, the Company provides financing, operational consulting,
technical and engineering services to a Shanghai-based VSAT network operator.
 
     With respect to V-Tech, in addition to the Company's initial equity
contribution of $3.75 million, GTS committed to fund up to an additional $3.0
million (all of which has been funded as of September 30, 1997). The joint
venture expires in April 2015, and profits and losses are allocated according to
ownership interests in consideration of funds at risk. See "Management's
Discussion and Analysis -- Accounting Methodology -- Profit and Loss
Accounting." GTS currently is evaluating adding additional partners to V-Tech
which may reduce GTS's ownership interest in V-Tech.
 
     With respect to Beijing Tianmu, in addition to the Company's initial equity
contribution of $8.75 million, GTS is responsible for arranging additional
financing of up to $14.4 million, subject to the approval of the venture's Board
of Directors, the majority of members of which are elected by GTS. The joint
venture expires in March 2021, and profits and losses are allocated according to
ownership interests, in consideration of funds at risk. See "Management's
Discussion and Analysis -- Accounting Methodology -- Profit and Loss
Accounting."
 
     India
 
     In India, GTS is following the strategy it implemented in Moscow and is
currently pursuing in Central Europe, in which it initially penetrates the
telecommunications market by developing satellite-based international gateway
networks to provide telecommunications services to targeted business customers.
GTS's operations in India are conducted through C-Datacom International, Inc.
("CDI"), a wholly owned subsidiary which provides digital international private
line communications to and from India for multiple applications, including data
and voice. While not permitted to provide telephony services, CDI is currently
in the process of installing an international gateway switch adjacent to
GTS-Monaco Access's international gateway for the purpose of handling
international traffic.
 
EMPLOYEES
 
     On September 30, 1997, GTS employed a total of 166 persons. On September
30, 1997, the joint ventures in which GTS participates employed approximately
1,400 persons. The Company believes its future success will depend on its
continued ability to attract and retain highly skilled and qualified employees.
The Company believes that its relations with its employees are good.
 
     Although GTS's employees are not unionized, unions represent employees of
the Company's railroad partners in HER. Under the agreements contemplated
between HER and its railroad partners, some of these employees will be required
to construct and maintain certain portions of the HER network. There can be no
assurances that unionized employees of HER's partners will not experience labor
unrest.
 
PROPERTIES
 
     The Company's physical properties include owned and leased space for
offices, storage and equipment rooms and collocation sites. Additional equipment
rooms will be leased as networks are expanded. GTS maintains regional
headquarters offices in Moscow and Budapest, as well as facilities in McLean,
Virginia and London. Hermes is headquartered just outside of Brussels, Belgium.
 
LITIGATION
 
     In addition to routine legal proceedings incidental to the conduct of its
business, the Company, GTS-Hungaro and GTS-Hungary are named as defendants in an
action captioned USH Ventures and USH Telecom, L.L.C. v. Global TeleSystems
Group, Inc. and GTS-Hungaro, Inc., Civil Action No. 97C-08-86, commenced in
August 1997, which is currently pending in the Superior Court of the State of
Delaware in and for New Castle County. The complaint alleges breach of contract
and interference with a business relationship. While it is not possible at this
time to make a meaningful assessment of the outcome of this litigation, based
upon information currently available and upon consultation with counsel, the
Company does not believe that the outcome of this litigation will have a
material adverse effect upon the financial condition of the Company.
 
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<PAGE>   94
 
                                   MANAGEMENT
 
     The directors, executive officers and key employees of the Company, their
positions and their ages are as follows:
 
<TABLE>
<CAPTION>
                  NAME                     AGE                        POSITIONS
                  ----                     ---                        ---------
<S>                                        <C>   <C>
Alan B. Slifka(1)(3)(4)(7)..............   68    Chairman of the Board of Directors
Gerald W. Thames(1)(6)..................   50    President, Chief Executive Officer and Director
Bruno d'Avanzo..........................   56    Executive Vice President and Chief Operating
                                                 Officer
William H. Seippel......................   41    Executive Vice President of Finance and Chief
                                                 Financial Officer
Jan Loeber..............................   53    Senior Vice President -- HER
Raymond I. Marks........................   51    Senior Vice President -- Asia
Stewart P. Reich........................   53    Senior Vice President -- Russia
Louis T. Toth...........................   55    Senior Vice President -- Central Europe
Grier C. Raclin.........................   45    Senior Vice President, General Counsel and
                                                 Secretary
Eileen K. Sweeney.......................   46    Senior Vice President -- Human Resources
Kevin Power.............................   44    Managing Director -- GTS-Monaco Access
Gary Gladstein(2)(5)....................   52    Director
Michael A. Greeley(4)(6)................   34    Director
Bernard McFadden(3)(7)..................   64    Director
Stewart J. Paperin(2)(3)(7).............   49    Director
W. James Peet(1)(4)(6)..................   42    Director
Jean Salmona(3)(5)......................   61    Director
Morris A. Sandler(2)(4)(5)..............   51    Director
Joel Schatz(2)(6).......................   60    Director
Adam Solomon(2)(4)(5)...................   44    Director
</TABLE>
 
- ---------------
 
(1) Member of Executive Committee
 
(2) Member of Audit Committee
 
(3) Member of Compensation Committee
 
(4) Member of Finance Committee
 
(5) Term expires at annual meeting of stockholders in 1998
 
(6) Term expires at annual meeting of stockholders in 1999
 
(7) Term expires at annual meeting of stockholders in 2000
 
     Biographical information on each of the foregoing officers follows:
 
     Alan B. Slifka, Chairman of the Board of Directors. Mr. Slifka has served
as a director of GTS since 1990. Mr. Slifka is a New York investment banker and
the Managing Principal of Halcyon/Alan B. Slifka Management Company LLC, an
equity asset management firm specializing in nontraditional investments,
specifically corporate event investing. Previously, Mr. Slifka was a partner of
L.F. Rothschild, Unterberg, Towbin from 1961 to 1982. He is a director of Pall
Corporation and is active in other business, civic and philanthropic affairs as
founder, director or officer of numerous for-profit and not-for-profit
corporations and foundations. Mr. Slifka served as acting Chief Executive
Officer of GTS during most of 1993.
 
     Gerald W. Thames, President, Chief Executive Officer and Director. Mr.
Thames joined GTS as Chief Executive Officer in February 1994, and has served as
a director of GTS since February 1994. From 1990 to 1994, Mr. Thames was
President and Chief Executive Officer for British Telecom North America and
Syncordia, a joint venture company focused on the international outsourcing
market. Mr. Thames has spent over 18 years in senior positions with
telecommunications companies, where he was responsible for developing start-up
telecommunications companies, including 15 years with AT&T, where he rose to the
position of General Manager of Network Services for the Northeast Region of AT&T
Communications.
 
                                       91
<PAGE>   95
 
     Bruno d'Avanzo, Executive Vice President and Chief Operating Officer. Mr.
d'Avanzo joined GTS as Executive Vice President and Chief Operating Officer in
August 1996. From 1994 to 1996, Mr. d'Avanzo was Executive Vice President and
Chief Operating Officer of Intelsat, the largest telecommunications satellite
operator in the world. From 1992 to 1994, Mr. d'Avanzo was a senior executive
with Olivetti Corporation, serving as Vice President and General
Manager -- Europe and as Vice President -- U.S., Canada and South America. Mr.
d'Avanzo also spent 15 years with Digital Equipment Corporation, a diversified
computer manufacturer where his last position was Vice President -- European
Sales and Marketing.
 
     William H. Seippel, Executive Vice President of Finance and Chief Financial
Officer. Mr. Seippel joined GTS as Executive Vice President of Finance and Chief
Financial Officer in October 1996. From July 1992 to October 1996, Mr. Seippel
was Vice President -- Finance and Chief Financial Officer of Landmark Graphics
Corporation. From August 1990 to July 1992, Mr. Seippel was Director of Finance
for Covia, Inc., an affiliate of United Airlines. From April 1984 to August
1990, Mr. Seippel held the positions of Group Business Controller (1989 to
1990), Group Controller Sales/Marketing (1986 to 1989), and Product Line
Controller (1984 to 1986) with Digital Equipment Corporation, a diversified
computer manufacturer.
 
     Jan Loeber, Senior Vice President -- HER. Mr. Loeber joined GTS in January
1995. From October 1992 to December 1994, Mr. Loeber was a Managing Director of
BT Securities Corporation. From April 1990 to September 1992, Mr. Loeber held
positions as Managing Director of Unitel Ltd. (now One 2 One) in the United
Kingdom, Group President of Nokia North America Inc., Vice President of ITT
Corporation, and Marketing and Product Management Director of ITT Europe. Mr.
Loeber also spent almost 10 years with AT&T, where his last position was
Executive Director, Bell Laboratories. Mr. Loeber has over 22 years of
experience in the telecommunications industry and an additional 9 years of
experience in information technology with the Pentagon, IBM and Chemical Bank of
New York.
 
     Raymond I. Marks, Senior Vice President -- Asia. Mr. Marks joined GTS as
Senior Vice President -- Asia in July 1994. From October 1986 to June 1994, Mr.
Marks served as Vice President and General Manager of GTE Spacenet Corporation,
where he had overall responsibility for strategic planning, domestic and
international business development, creation of joint ventures and international
alliances, as well as the worldwide management of the marketing, sales and
technical support organizations. Mr. Marks has also served as Vice President for
the Digital Information Group for MCI Communications Corporation. Mr. Marks has
28 years of experience in the telecommunications and computer industries.
 
     Stewart P. Reich, Senior Vice President -- Russia. Mr. Reich joined GTS as
President -- GTS Russia in September 1997. From September 1992 to August 1997,
Mr. Reich was President of UTEL, a joint venture of AT&T, Deutsche Telekom, PTT
Telecom (Netherlands), and Ukrtelecom (a Ukrainian telecommunications company)
which provides international and interregional telecommunications services in
Ukraine. From 1982 to 1992, Mr. Reich held various positions at AT&T where his
last position was Financial Manager, AT&T International Communications Switched
Services. Mr. Reich was also employed for 20 years with Western Electric Company
from 1961 to 1981.
 
     Louis T. Toth, Senior Vice President -- Central Europe. Mr. Toth joined GTS
as Senior Vice President -- Central Europe in July 1993. From February 1987 to
July 1991, Mr. Toth served as President of Dynaforce Inc. and as Partner and
General Manager for the pan-European expansion of Andlinger & Company. Mr. Toth,
who is currently based in London, has 23 years of telecommunications experience
with ITT Corporation in Europe, Latin America and Asia.
 
     Grier C. Raclin, Senior Vice President and General Counsel. Mr. Raclin
joined GTS as its Senior Vice President and General Counsel in September, 1997,
and was elected Secretary of the Company in December 1997. Prior to joining GTS,
Mr. Raclin served as Vice-Chairman and a Managing Partner of the Washington,
D.C. office of Gardner, Carton & Douglas, a 250-attorney, corporate law firm
based in Chicago, Illinois, where his practice was concentrated in the area of
international telecommunications. Mr. Raclin received his undergraduate and law
degrees from Northwestern University and attended the University of Chicago
School of Business Executive Program.
 
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<PAGE>   96
 
     Eileen K. Sweeney, Senior Vice President -- Human Resources. Ms. Sweeney
joined GTS as Senior Vice President -- Human Resources in November, 1997. Prior
to joining GTS, Ms. Sweeney was President of Global Resource Associates, a
consulting company specializing in international human resource issues. Prior to
that time, Ms. Sweeney spent 10 years with ITT Corporation in a variety of human
resource management positions, including eight years based in Europe and in the
Middle East. Ms. Sweeney holds a Master's Degree in Business Administration from
Simmons Graduate School of Management in Boston.
 
     Kevin Power, Managing Director -- GTS Monaco Access. Prior to joining GTS
Monaco Access in October 1995, Mr. Power was Vice President, Carrier Relations
for the Company beginning in November 1994, where he was responsible for
assisting and coordinating the carrier activities of the GTS group of companies.
In 1988, Mr. Power was one of a group of five people who started the commercial
operations of Orion Network Systems and he stayed with the company until the
launch of its first satellite in 1994. His last position there was Vice
President of Carrier Services. Prior to that, he held positions with INTELSAT,
National Economic Research Associates (NERA) and the U.S. Department of
Commerce.
 
     Biographical data on each of the directors, other than Mr. Thames, are as
follows:
 
     Gary Gladstein, Director. Mr. Gladstein has served as a director of GTS
since December 1990. Mr. Gladstein is a Managing Director of Soros Fund
Management, an investment advisory firm with which he has been associated since
1985. Mr. Gladstein is also a director of Crystal Oil, Jos. A. Bank Clothier,
Inversiones y Representaciones S.A., Cresud S.A., Emerging Dolphin Fund and
Argentina High Yield and Capital Appreciation Fund Ltd.
 
     Michael A. Greeley, Director. Mr. Greeley has served as a director of GTS
since September 1996. Mr. Greeley is the Senior Vice President of GCC
Investments, Inc., the investment group of GC Companies, Inc. From June 1989 to
July 1994, Mr. Greeley was a Vice President at Wasserstein Perella & Co., Inc.,
an international investment bank, specializing in mergers and acquisitions and
corporate finance transactions. Mr. Greeley is also a director of Teletrac,
Inc., Crescent Communications and American Capital Access Holdings, LLC. By
contractual arrangement, GCC Investments, Inc. has the right to designate one
person for nomination to the Board of Directors as long as it holds not less
than two and one-half percent of the issued and outstanding shares of the Common
Stock on a fully diluted basis. Mr. Greeley is the designee of GCC Investments,
Inc. to the Board of Directors.
 
     Bernard McFadden, Director. Mr. McFadden has served as a director of GTS
since February 1994. Mr. McFadden currently serves as an independent consultant
for GTS and is a GTS representative on the supervisory board of HER. Mr.
McFadden's career in international telecommunications includes 32 years with ITT
Corporation, where he served as President and Chief Executive Officer of ITT's
Telecom International Group, and a four and one-half year assignment as
President and Chief Operating Officer of Alcatel Trade International, S.A.
 
     Stewart J. Paperin, Director. Mr. Paperin has served as a director of GTS
since March 1997. Mr. Paperin serves as Executive Vice President of The Open
Society Institute, a charitable foundation associated with George Soros. In
addition, he has served as the President of Capital Resource East since October
1993. Prior to that, Mr. Paperin was President of Brooke Group International,
from 1990 to 1993 where he was responsible for investments in the former Soviet
Union. Mr. Paperin also served as Chief Financial Officer of Western Union
Corporation from 1989 to 1990. Mr. Paperin serves as a director of the Board of
Penn Octane Corporation.
 
     W. James Peet, Director. Mr. Peet has served as a director of GTS since
January 1996. Mr. Peet has been affiliated with The Chatterjee Group, an
investment firm, since 1991. Mr. Peet is a director of three public companies:
Viatel Global Communications, Phoenix Information Systems, and Primus
Telecommunications, Inc. and several private companies. Immediately prior to
joining The Chatterjee Group, Mr. Peet spent six years with McKinsey & Company.
By contractual arrangement, The Chatterjee Group has the right to designate one
person for nomination to the Board of Directors to serve a term of five years.
Mr. Peet is the designee of The Chatterjee Group to the Board of Directors.
 
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<PAGE>   97
 
     Jean Salmona, Director. Mr. Salmona has served as a director of GTS since
March 1996. Since 1989, Mr. Salmona has been Chairman and Chief Executive
Officer of CESIA Consulting Group ("CESIA"), a consulting concern based in
France that specializes in information and communications systems and
technologies. Mr. Salmona is also Chairman and Director General, Data for
Development International Association, a nongovernmental organization with
consultative status to the United Nations Economic and Social Council; and a
member of the board of directors of CESYS, a joint venture between CESIA and
COGEMA, the French State company which processes nuclear waste.
 
     Morris A. Sandler, Director. Mr. Sandler has served as a director of GTS
since 1990. Mr. Sandler has been a consultant to GTS since November 1995. Prior
to that, Mr. Sandler was Executive Vice President of GTS from February 1994 to
November 1995, and acting Chief Operating Officer from April 1993 to February
1994. From August 1990 to April, 1993, Mr. Sandler was an employee of Alan B.
Slifka and Company. Since November 1995, Mr. Sandler has been a principal of
Pennwood Capital Corporation, a venture capital investment and management firm.
He has served as director of Baltic International USA, Inc. since 1995.
 
     Joel Schatz, Director. Mr. Schatz has served as a director of GTS since the
inception of the Company. Mr. Schatz was a founder of the Company and served as
its President from 1985 to 1991. Mr. Schatz is presently the Chairman and Chief
Executive Officer of Datafusion, Inc., a company developing software to
accelerate knowledge synthesis.
 
     Adam Solomon, Director. Mr. Solomon has served as a director of the Company
since June 1995. Mr. Solomon is also Chairman of Shaker Investments, Inc., a
growth equity investment firm and Chairman of Signature International, L.P., a
venture/development firm whose initial focus is redeveloping existing
residential/golf communities, and a member of the board of directors of MetaSolv
Software, Inc. Prior to that, Mr. Solomon spent eleven years with E.M. Warburg,
Pincus & Co., Inc., where he was Managing Director from 1988 to 1992. While at
E.M. Warburg, Pincus & Co., Inc., Mr. Solomon served as a member of the board of
directors of LCI International, Inc., a regional long-distance carrier.
 
                  EXECUTIVE COMPENSATION AND OTHER INFORMATION
 
COMPENSATION OF DIRECTORS AND EXECUTIVE OFFICERS
 
     Prior to the completion of the Offerings, each director of GTS received an
annual director's fee of $10,000. In addition, each director of GTS who attended
any meetings of the Board of Directors was entitled to receive a director's fee
of $1,000 for each such meeting, and each director of GTS who attended a
committee meeting was entitled to a directors' fee of $750 for each such
committee meeting.
 
     Upon completion of the Offerings, each director of GTS will receive an
annual directors' fee of $15,000. In addition, the fee for attending any meeting
of the Board of Directors will increase to $1,500 per meeting, except for
telephonic Board of Directors meetings of two hours or less, where the fee will
be decreased to $750 for each such meeting. Similarly, upon the completion of
the Offerings, each director who attends a committee meeting will be entitled to
a directors' fee of $1,000 per meeting, except for telephonic committee meetings
of a duration of two hours or less, for which a fee of $500 will be paid.
 
     For the year ended December 31, 1996, the aggregate compensation paid by
the Company to its directors and executive officers for services in all
capacities was approximately $3.1 million.
 
     GTS maintains the Global TeleSystems Group, Inc. Non-Employee Directors'
Stock Option Plan that permits directors to share in the growth of the value of
GTS through the grant and exercise of nonqualified stock options. See "-- Global
TeleSystems Group, Inc. Non-Employee Directors' Stock Option Plan."
 
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<PAGE>   98
 
GLOBAL TELESYSTEMS GROUP, INC. NON-EMPLOYEE DIRECTORS' STOCK OPTION PLAN
 
     The purpose of the Global TeleSystems Group, Inc. Non-Employee Directors'
Stock Option Plan (the "Directors' Plan") is to permit eligible non-employee
directors of GTS (each a "Non-Employee Director") to share in the growth of the
value of GTS through the grant and exercise of nonqualified stock options.
 
     The total number of shares of Common Stock presently reserved and available
for delivery under the Directors' Plan is 375,000, subject to adjustment upon
certain changes in capitalization. Upon completion of the Offerings, an
additional 900,000 shares of Common Stock, totalling 1,275,000 shares, will be
reserved and available under the Directors' Plan. The Directors' Plan is
administered by the compensation committee of the Board of Directors (the
"Committee"). Only directors of GTS who are not employees of GTS or any
subsidiary of GTS on the date on which an option is to be granted are eligible
to participate in the Directors' Plan on such date.
 
     An option (a "Directors' Option") to purchase shares of Common Stock was
granted to each Non-Employee Director on the effective date of the Directors'
Plan and a Director's Option is granted to each new Non-Employee Director when
he or she is first elected or appointed to serve as a director of GTS. One-half
of the Directors' Options vests six months after the date of grant. An
additional one quarter become exercisable on the date six months following the
first annual meeting of GTS's shareholders to occur after such date of grant,
and the remaining one quarter shares become exercisable on the date six months
following the second annual meeting of GTS's shareholders to occur after such
date of grant. Prior to the completion of the Offerings, initial Directors'
Options represented 18,000 shares of Common Stock. After the completion of the
Offerings, an initial Directors' Option will represent 22,500 shares of Common
Stock. On the date of the third annual meeting of GTS's shareholders following
the grant of the initial Directors' Options to any Non-Employee Director,
provided that such Non-Employee Director remains an incumbent on such date, an
additional Directors' Option to purchase 13,500 shares of Common Stock is
granted to such Non-Employee Director. The second Directors' Options become
exercisable with respect to 4,500 shares on the date six months after the date
of grant, with respect to an additional 4,500 shares on the date six months
following the first annual meeting of GTS's shareholders to occur after such
date of grant, and with respect to the final 4,500 shares on the date six months
following the second annual meeting of GTS's shareholders to occur after such
date of grant. After the completion of the Offerings, on the date of each annual
meeting of GTS's shareholders, an additional Directors' Option to purchase 9,000
shares will be granted each year on the date of the Company's annual meeting to
the individuals who will serve as elected Non-employee Directors of the Company
during the next year.
 
     Directors' Options are nonqualified stock options which are subject to
certain terms and conditions including those summarized below. The exercise
price per share of Common Stock purchasable under a Directors' Option will be
equal to 100% of the fair market value of Common Stock on the date of grant.
Each Directors' Option will expire upon the earliest of (a) the tenth
anniversary of the date of grant, (b) one year after the Non-Employee Director
ceases to serve as a director of GTS due to death or disability, (except that,
in the case of disability, if the Non-Employee Director dies within that
one-year period, the Directors' Option is exercisable for a period of one year
from the date of death), (c) three months after the Non-Employee Director ceases
to serve as a director of GTS for any reason other than death or disability,
(except that, if the Non-Employee Director dies within that three-month period,
his or her Directors' Options are exercisable for a period of one year from the
date of such death), and (d) three months after the Non-Employee Director ceases
to be employed by GTS if such Non-Employee Director had become an employee of
GTS (except that, if the Non-Employee Director dies within that three-month
period, his or her Directors' Options are exercisable for a period of one year
from the date of such death). Each Directors' Option may be exercised in whole
or in part by giving written notice of exercise to GTS specifying the Directors'
Option to be exercised and the number of shares to be purchased. Such notice
must be accompanied by payment in full of the exercise price in cash or by
surrender of shares of Common Stock or a combination thereof. Directors' Options
granted under the Directors' Plan may not be sold, pledged, assigned or
otherwise disposed of in any manner other than by will or by the laws of descent
and distribution.
 
                                       95
<PAGE>   99
 
     At the time of grant, the Board of Directors may provide in connection with
any grant made under the Directors' Plan that the shares of Common Stock
received as a result of such grant are subject to a right of first refusal by
GTS.
 
     The Board of Directors may amend, alter, suspend, discontinue or terminate
the Directors' Plan at any time, except that any such action will be subject to
the approval of GTS shareholders at the next annual meeting following such Board
of Directors' action if such shareholder approval is required by any federal or
state law or regulation or the rules of any stock exchange or automated
quotation system on which Common Stock may then be listed or quoted, or if the
Board of Directors determines in its discretion to seek such shareholder
approval.
 
                                       96
<PAGE>   100
 
EXECUTIVE COMPENSATION
 
     The following table sets forth each component of compensation paid or
awarded to, or earned by, the chief executive officer and the four most highly
compensated executive officers other than the chief executive officer serving as
of December 31, 1996 (collectively, the "Named Executive Officers") for the year
ended December 31, 1996.
 
                           SUMMARY COMPENSATION TABLE
 
<TABLE>
<CAPTION>
                                                                  LONG-TERM COMPENSATION
                                                                  -----------------------
                                          ANNUAL COMPENSATION             AWARDS
                                        -----------------------   -----------------------
                                                                  RESTRICTED   SECURITIES
                                          PAID     OTHER ANNUAL     STOCK      UNDERLYING    ALL OTHER
    NAME AND PRINCIPAL        SALARY     BONUS     COMPENSATION    AWARD(S)     OPTIONS     COMPENSATION
         POSITION              ($)        ($)          ($)           ($)          (#)          ($)(7)
    ------------------       --------   --------   ------------   ----------   ----------   ------------
<S>                          <C>        <C>        <C>            <C>          <C>          <C>
Gerald W. Thames,..........  $325,000   $113,750            (1)          -0-    112,500(5)        9,954
  President and Chief
  Executive Officer
Jan Loeber,................   235,000     78,608      74,642(4)     30,000(8)       3.5(6)       12,986
  Senior Vice President --
  HER
Raymond I. Marks,..........   230,091     46,200            (1)          -0-     55,500(5)       13,788
  Senior Vice President --
  Asia
Henry A. Radzikowski,......   208,750     42,000     226,060(2)          -0-     55,500(5)       12,986
  Senior Vice President and
  Chief Executive
  Officer -- CIS Operations
Louis T. Toth,.............   203,937     40,950      33,602(3)          -0-     43,500(5)       13,004
  Senior Vice President --
  Central Europe
</TABLE>
 
- ---------------
 
(1) Perquisites and other personal benefits paid to the Named Executive Officer
    during fiscal year 1996 were less than the lesser of $50,000 and 10 percent
    of the total of annual salary and bonus reported for the Named Executive
    Officer.
 
(2) Mr. Radzikowski received a cost of living allowance totalling $96,000 during
    fiscal year 1996. In addition, GTS paid approximately $122,376 in housing
    expenses on behalf of Mr. Radzikowski. Mr. Radzikowski's successor as Chief
    Executive Officer -- CIS and Eastern Europe Operations was Mr. Reich. Mr.
    Radzikowski resigned in the second quarter of 1997.
 
(3) These amounts represent a cost of living allowance of $27,500 and paid home
    leave of $6,102 paid to Mr. Toth during fiscal year 1996.
 
(4) Mr. Loeber received a cost of living allowance and paid home leave during
    fiscal year 1996. HER provided Mr. Loeber with a tax equalization that
    compensates him for the higher taxes he pays because he resides in Belgium
    instead of the United States. Furthermore, HER provided Mr. Loeber with a
    housing allowance equal to $31,836 per year (converted from Belgian Francs
    to U.S. Dollars at an exchange rate of BF32.0392 = $1.00). In addition, HER
    provides Mr. Loeber with the use of a company car.
 
(5) Stock options awarded under the 1992 Stock Option Plan.
 
(6) Stock options awarded under the GTS-Hermes Plan.
 
(7) Amounts hereunder represent premiums paid by GTS for $1,000,000 in term life
    insurance for each Named Executive Officer and contributions by GTS under
    the 401(k) Plan to each Named Executive Officer's account.
 
(8) Shares of restricted stock that vest in an amount of one-third each year for
    three years beginning on January 2, 1997.
 
                                       97
<PAGE>   101
 
THE GTS 401(k) PLAN
 
     The GTS 401(k) Plan (the "401(k) Plan") is a defined contribution
retirement benefit plan that is qualified for favorable tax treatment under
Section 401 of the Code. All employees of GTS, including the Named Executive
Officers, who are at least 21 years of age and have completed the minimum
service requirement are eligible to participate in the 401(k) Plan. The 401(k)
Plan participants may defer pre-tax income by contributing to the plan up to the
maximum amount permitted by law. After-tax contributions are also permitted
under the 401(k) Plan. GTS matches 50% of each participant's pre-tax
contribution to the 401(k) Plan up to 5% of the participant's total
compensation. In addition, GTS may, in its sole discretion and in a
nondiscriminatory manner, contribute additional amounts as profit sharing to
each participant's account. The amounts that are deposited into each
participant's account are invested among various investment options according to
the direction of the participant. Each participant's pre-tax and after-tax
contributions are immediately vested and nonforfeitable. GTS's matching
contribution and profit sharing allocations to each participant's account do not
vest until the participant has completed three years of service with GTS, at
which time the matching contribution and profit sharing allocations become 100%
vested. Each participant is eligible to begin receiving benefits under the
401(k) Plan on the first day of the month coincident with or following the
attainment of normal retirement age. There is no provision for early retirement
benefits under the 401(k) Plan.
 
THE SFMT, INC. EQUITY COMPENSATION PLAN
 
     The purpose of the SFMT, Inc. Equity Compensation Plan (the "Equity
Compensation Plan") is to attract, retain and motivate key employees, officers
and eligible independent contractors of GTS and to enable such individuals to
own Common Stock and to have a mutuality of interest with other shareholders of
GTS through the grant of restricted stock and other equity-based awards.
 
     The total number of shares of Common Stock that may be issued or
transferred under the Equity Compensation Plan is four percent of the total
number of shares of Common Stock outstanding at the beginning of the calendar
year, subject to certain adjustments, which are described below. This threshold
number may be increased by the number of shares (a) that were issued under the
Equity Compensation Plan with respect to which no dividends were paid and (b)
that were subsequently forfeited, in accordance with the terms of the Equity
Compensation Plan.
 
     The Equity Compensation Plan is administered by the Committee. The chief
executive officer of GTS has the authority to recommend the individuals to whom
awards will be granted, subject to approval by the Committee. The Committee has
full and binding authority to determine the fair market value of the Common
Stock and the number of shares included in any awards, to establish terms and
conditions of any award, to interpret the Equity Compensation Plan, to prescribe
rules relating to the Equity Compensation Plan and to make all other
determinations necessary to administer the Equity Compensation Plan. The
Committee may condition the vesting of restricted stock upon the attainment of
specified performance goals or such other factors as the Committee may determine
in its sole discretion. In the event that the Committee determines, in its sole
discretion, that an award of restricted stock would not be appropriate with
respect to any individual who has been recommended for an award by the chief
executive officer, the Committee has the authority to grant to any such
individual any other variety of equity-based compensation award, including, but
not limited to, phantom stock, phantom units, stock appreciation rights,
performance shares and performance units. The Committee does not, however, have
the authority to grant stock options pursuant to the Equity Compensation Plan.
 
     Grants under the Equity Compensation Plan are determined by the Committee
in its sole discretion. For this reason, it is not possible to determine the
benefits or amounts that will be received by any individual employee or group of
employees in the future. The Equity Compensation Plan will remain effective
until November 14, 2004, unless earlier terminated by GTS. No restricted stock
may be granted under the Equity Compensation Plan on or after November 14, 2000.
 
     During a specified period set by the Committee commencing with the date of
any restricted stock award, the participant is not permitted to sell, transfer,
pledge or otherwise encumber shares of restricted stock.
                                       98
<PAGE>   102
 
Within these limits, the Committee, in its sole discretion, may provide for the
lapse of such restrictions or may accelerate or waive such restrictions in whole
or in part, based on service, performance and such other factors. Unless the
Committee specifically determines otherwise, a restricted stock award granted
under the Equity Compensation Plan vests one-third on the second anniversary of
the date of grant, one-third on the third anniversary of the date of grant and
one-third on the fourth anniversary of the date of grant.
 
     The Committee may impose such other restrictions on shares of Common Stock
issued under the Equity Compensation Plan, including a right of first refusal by
GTS that requires the participant to offer GTS any shares that the participant
wishes to sell.
 
     The Equity Compensation Plan provides that, in the event of a change to the
Common Stock (whether by reason of merger, consolidation, reorganization,
recapitalization, stock dividend, stock split, combination or exchange of
shares, or other change in the capital structure made without receipt of
consideration), the Board of Directors will preserve the value of outstanding
awards by making certain equitable adjustments in its discretion.
 
     The Board of Directors may amend, alter, suspend, discontinue or terminate
the Equity Compensation Plan at any time, except that any such action will be
subject to the approval of GTS shareholders at the first annual meeting
following such action if such shareholder approval is required by any federal or
state law or regulation or the rules of any stock exchange or automated
quotation system on which Common Stock may then be listed or quoted, or if the
Board of Directors determines in its discretion to seek such shareholder
approval.
 
THE AMENDED AND RESTATED 1992 STOCK OPTION PLAN OF GLOBAL TELESYSTEMS GROUP,
INC.
 
     In 1992, the Board of Directors approved the adoption of the 1992 Stock
Option Plan of Global TeleSystems Group, Inc. (the "1992 Option Plan") for key
employees of GTS. The purpose of the 1992 Option Plan is to enable GTS to
attract and retain the best personnel for positions of substantial
responsibility, to provide additional incentives to employees of GTS and its
subsidiaries and to promote the success of the business of GTS and its
subsidiaries by providing certain employees with an ownership interest in the
Company.
 
     The total number of shares of Common Stock that may be subject to options
granted under the 1992 Option Plan (the "1992 Options") is generally 18.5% of
the total number of shares of Common Stock outstanding at the beginning of the
calendar year.
 
     The 1992 Option Plan is administered by the Committee, which must be
composed of not less than two members of the Board of Directors who are
"non-employee directors" within the meaning of Rule 16b-3 of the Exchange Act.
The Committee has full and binding authority to determine the fair market value
of the Common Stock, the exercise price of options to be granted, the persons to
whom and the times at which options will be granted and the number of shares to
be represented by each option. The Committee also has full and binding authority
to interpret the 1992 Option Plan, to prescribe rules relating to the 1992
Option Plan, to establish terms and conditions of each 1992 Option and to make
all other determinations necessary to administer the 1992 Option Plan.
 
     The 1992 Option Plan will remain effective until November 14, 2004, unless
earlier terminated by GTS. Grants under the 1992 Option Plan are determined by
the Committee in its sole discretion. For this reason, it is not possible to
determine the benefits or amounts that will be received by any individual
employee or group of employees in the future.
 
     The 1992 Option Plan authorizes the grant of both nonqualified options,
which are not qualified for special tax treatment, and incentive stock options
("ISOs"), which qualify for special federal income tax treatment under Section
422 of the Code. The exercise price per share of Common Stock issuable pursuant
to an ISO may not be less than 100% of the fair market value of Common Stock on
the date of grant. Unless otherwise specified in any respective option
agreement, a nonqualified 1992 Option will expire ten years and one day after
the date of grant and an ISO will expire ten years from the date of grant. Each
person granted 1992 Options shall be provided with an option agreement setting
forth the terms of each grant pursuant to the
                                       99
<PAGE>   103
 
1992 Option Plan. Unless the Committee specifically determines otherwise, each
1992 Option vests one-third on each of the first three anniversaries of the date
of grant. The full purchase price of the shares must be paid, either in cash, by
delivery of previously owned shares, or by withholding of shares having a fair
market value equal to the 1992 Option exercise price or by such other method
approved by the Committee. Each 1992 Option expires (a) 30 days after the option
holder ceases to be an employee of GTS for any reason other than death,
disability or retirement, (b) one year from the date of death or disability of
an employee, or (c) 90 days following retirement of the employee. 1992 Options
may not be sold, pledged, assigned or otherwise disposed of in any manner other
than by will or by the laws of descent and distribution.
 
     The Committee may impose such other restrictions on shares of Common Stock
issued under the 1992 Option Plan, including a right of first refusal by GTS. In
addition, if the amount of any payment under the 1992 Option Plan, either
separately or in combination with any other payment by GTS, would constitute an
excess parachute payment within the meaning of Section 280G of the Code, the
total payments payable under the 1992 Option Plan will be reduced in order to
maximize the amount received by the participant under the 1992 Option Plan in
combination with other payments by GTS.
 
     The 1992 Option Plan provides that, in the event of a change to the Common
Stock (whether by reason of merger, consolidation, reorganization,
recapitalization, stock dividend, stock split, combination of shares or exchange
of shares, or other change in the capital structure made without receipt of
consideration), the Board of Directors will, in its discretion, preserve the
value of outstanding 1992 Option Plan awards by making certain equitable
adjustments.
 
     The Board of Directors may amend, alter, suspend, discontinue, or terminate
the 1992 Option Plan at any time, except that any such action will be subject to
the approval of GTS shareholders at the first annual meeting following such
Board of Directors action if such shareholder approval is required by any
federal or state law or regulation or the rules of any stock exchange or
automated quotation system on which Common Stock may then be listed or quoted,
or if the Board of Directors determines in its discretion to seek such
shareholder approval.
 
THE GTS 1996 TOP TALENT RETENTION PROGRAM
 
     GTS implemented the GTS 1996 Top Talent Retention Program (the "Program")
which, for 1996 only, alters the terms offered to certain employees under the
1992 Option Plan. Employees who are offered participation in the Program must
sign a "retention agreement," the terms of which are described below, in order
to receive any 1992 Options during 1996. The Program has been offered to
approximately 28 employees, and it provides that any 1992 Options granted to
such participants will vest as follows: (i) one-half of any 1992 Option granted
under the Program will vest at a rate of 25% per year beginning on the first
anniversary of the initial date of grant and (ii) the remaining portion of any
1992 Option granted under the Program will vest one-quarter according to the
achievement of performance revenue levels, and one-quarter according to the
achievement of price levels of Common Stock, provided that all options will vest
on the fifth anniversary of the date of grant regardless of whether such
performance revenue and pricing levels are attained.
 
                                       100
<PAGE>   104
 
        OPTION GRANTS IN THE LAST FISCAL YEAR -- 1992 STOCK OPTION PLAN
 
<TABLE>
<CAPTION>
                                          NUMBER OF     % OF TOTAL
                                          SECURITIES     OPTIONS
                                          UNDERLYING    GRANTED TO    EXERCISE OR                 GRANT DATE
                                           OPTIONS     EMPLOYEES IN       BASE       EXPIRATION    PRESENT
                  NAME                    GRANTED(#)   FISCAL YEAR    PRICE($/SH.)      DATE       VALUE($)
                  ----                    ----------   ------------   ------------   ----------   ----------
<S>                                       <C>          <C>            <C>            <C>          <C>
Gerald W. Thames........................   112,500(1)      7.3           $10.27       3-30-06     $1,155,000
Henry A. Radzikowski....................    55,500(1)      3.6            10.27       3-30-06        569,800
Louis T. Toth...........................    43,500(1)      2.8            10.27       3-30-06        446,400
Raymond I. Marks........................    55,500(1)      3.6            10.27       3-30-06        569,800
Jan Loeber..............................        --          --               --         --                --
</TABLE>
 
- ---------------
 
(1) Stock options were awarded under the 1992 Stock Option Plan. Each option
    vests one-third on each of the first three anniversaries of the date of
    grant.
 
            AGGREGATED OPTION EXERCISES IN THE LAST FISCAL YEAR AND
            FISCAL YEAR-END OPTION VALUES -- 1992 STOCK OPTION PLAN
 
<TABLE>
<CAPTION>
                                           NUMBER OF SECURITIES      VALUE OF UNEXERCISED
                                          UNDERLYING UNEXERCISED     IN-THE-MONEY OPTIONS
                                          OPTIONS AT FY-END(#)(1)       AT FY-END($)(2)
                                          -----------------------    ---------------------
                                               EXERCISABLE/              EXERCISABLE/
                  NAME                         UNEXERCISABLE             UNEXERCISABLE
                  ----                         -------------             -------------
<S>                                       <C>                        <C>
Gerald W. Thames........................      575,000/287,501        $5,538,540/$1,103,336
Henry A. Radzikowski....................       89,801/310,100           857,883/ 2,679,717
Louis T. Toth...........................      186,549/122,601         1,883,386/   788,677
Raymond I. Marks........................      144,996/195,504         1,301,667/ 1,186,033
Jan Loeber..............................                   --                           --
</TABLE>
 
- ---------------
 
(1) No options were exercised during the year ended December 31, 1996.
 
(2) Based on $13.33 per share value of Common Stock as of December 31, 1996 less
    the exercise price.
 
GTS-HERMES, INC. 1994 STOCK OPTION PLAN
 
     The GTS-Hermes, Inc. 1994 Stock Option Plan (the "GTS Hermes Plan") was
adopted by the board of directors of GTS-Hermes, Inc. ("GTS-Hermes") in 1994 to
enable employees of GTS-Hermes and its subsidiaries, including HER, and
affiliates to participate in ownership of GTS-Hermes and to attract and retain
key employees of particular merit. The GTS-Hermes Plan provides for the award of
incentive stock options, nonqualified stock options and stock appreciation
rights. All employees of GTS-Hermes and its subsidiaries, including HER, and
affiliates are eligible to participate in the GTS-Hermes Plan.
 
     The maximum number of shares authorized with respect to grants of awards
under the GTS-Hermes Plan in each calendar year is 6.5% of the shares of common
stock, par value $0.01 per share, of GTS-Hermes issued and outstanding, and the
aggregate number of shares of stock subject to the GTS-Hermes Plan is 13% of the
total shares of stock issued and outstanding. The GTS-Hermes Plan is
administered by a committee appointed by the board of directors of GTS-Hermes,
which has broad discretion to determine who shall receive awards under the
GTS-Hermes Plan and the characteristics of any award thereunder, including the
price, term and vesting of such award, and to interpret the terms of the
GTS-Hermes Plan and awards granted under the GTS-Hermes Plan. Stock appreciation
rights may not be awarded alone and may only be awarded in tandem with an option
grant.
 
     The GTS-Hermes Plan provides that in the event of a change in control, as
defined under the GTS-Hermes Plan, any stock appreciation rights outstanding for
at least six months and any stock options awarded under the GTS-Hermes Plan not
previously exercisable and vested which have been held for at least six months
from the date of grant will become fully vested and exercisable at an adjusted
price to be determined
 
                                       101
<PAGE>   105
 
according to the highest sales price per share paid in any transaction reported
or offer made at any time during the preceding 60 days as determined by the
committee.
 
     The board of directors of GTS-Hermes may amend, alter or discontinue the
GTS-Hermes Plan at any time, provided that the rights of participants are not
impaired, except that shareholder approval is necessary for certain material
modifications.
 
     In the fourth quarter of 1997, HER established a stock option plan (the
"New Plan") to replace the GTS-Hermes Plan for the purpose of incentivizing HER
key employees, in substantially similar form to the GTS-Hermes Plan. The
aggregate number of shares of HER stock subject to the New Plan is approximately
13% of the total shares of HER stock issued and outstanding including options.
HER issued 10,166 options in replacement of those outstanding under the
GTS-Hermes Plan as well as additional options to certain employees. The issuance
of these options will result in a non-cash charge of $3.7 million of which $2.6
million is expected to be recorded during the fourth quarter and the remaining
$1.1 million will be recognized principally ratably over fiscal 1998. The
GTS-Hermes Plan is intended to be terminated.
 
          OPTION GRANTS IN THE LAST FISCAL YEAR -- GTS-HERMES PLAN(1)
 
<TABLE>
<CAPTION>
                                                                                                       POTENTIAL
                                                                                                  REALIZABLE VALUE AT
                                                                                                    ASSUMED ANNUAL
                                          NUMBER OF     % OF TOTAL                                  RATES OF STOCK
                                          SECURITIES     OPTIONS                                  PRICE APPRECIATION
                                          UNDERLYING    GRANTED TO    EXERCISE OR                 FOR OPTION TERM(2)
                                           OPTIONS     EMPLOYEES IN       BASE       EXPIRATION   -------------------
                  NAME                    GRANTED(#)   FISCAL YEAR    PRICE($/SH.)      DATE      5% ($)     10% ($)
                  ----                    ----------   ------------   ------------   ----------   ------     -------
<S>                                       <C>          <C>            <C>            <C>          <C>        <C>
Jan Loeber(3)...........................     3.5           53.8        $57,148.86       2007        N/A        N/A
</TABLE>
 
- ---------------
 
(1) Stock options are for GTS-Hermes stock pursuant to the GTS-Hermes Plan. Each
    stock option vests one-third on each of the first three anniversaries of the
    date of grant. HER established the New Plan to replace the GTS-Hermes Plan
    during the fourth quarter of 1997. The New Plan, known as the Key Employee
    Stock Option Plan of Hermes Europe Railtel B.V., is substantially similar to
    the GTS-Hermes Plan. The options outstanding under the GTS-Hermes Plan were
    cancelled and replaced by options under the New Plan.
 
(2) Due to the high exercise price of the options granted under the GTS-Hermes
    Plan and the relatively low value of GTS-Hermes shares, GTS and GTS-Hermes
    have agreed that it is reasonable to set the potential realizable value of
    the options at zero with respect to the assumed annual rates of stock price
    appreciation of 5% and 10% for the term of the options.
 
(3) In 1995, Jan Loeber was granted 3.5 shares.
 
            AGGREGATED OPTION EXERCISES IN THE LAST FISCAL YEAR AND
               FISCAL YEAR-ENDED OPTION VALUES -- GTS-HERMES PLAN
 
<TABLE>
<CAPTION>
                                            NUMBER OF SECURITIES         VALUE OF UNEXERCISED
                                           UNDERLYING UNEXERCISED        IN-THE-MONEY OPTIONS
                                            OPTIONS AT FY-END(#)            AT FY-END($)(1)
                                          -------------------------    -------------------------
                  NAME                    EXERCISABLE/UNEXERCISABLE    EXERCISABLE/UNEXERCISABLE
                  ----                    -------------------------    -------------------------
<S>                                       <C>                          <C>
Jan Loeber..............................      1.167/5.833                       N/A
</TABLE>
 
- ---------------
 
(1) Due to the high exercise price of the options granted under the GTS-Hermes
    Plan and the relatively low value of GTS-Hermes shares, GTS and GTS-Hermes
    have agreed that it is reasonable to set the potential realizable value of
    the options at zero with respect to the assumed annual rates of stock price
    appreciation of 5% and 10% for the term of the options.
 
                                       102
<PAGE>   106
 
EMPLOYMENT AGREEMENTS
 
     GTS has executed employment agreements (together, the "Employment
Agreements") with all the Named Executive Officers. The agreements with Messrs.
Thames, Radzikowski and Marks include a three-year term of employment commencing
on April 1, 1996. Mr. Radzikowski resigned from the Company in the second
quarter of 1997. The agreements with Mr. Toth and Mr. Loeber include a two-year
term of employment commencing on April 1, 1996 and January 3, 1995,
respectively. All the Employment Agreements provide for the automatic renewal of
the term for additional one-year periods after the initial term unless written
notice of intent to terminate is provided by either party within a stated period
of between 120 days and six months prior to the renewal date. The salary of each
Named Executive Officer is reviewed yearly and may be increased at the sole
discretion of the Board of Directors. In addition to salary, each Named
Executive Officer is eligible for a performance-based annual bonus, to
participate in the GTS 1992 Stock Option Plan (with the exception of Mr. Loeber
whose employment agreement provides him with an option grant under the
GTS-Hermes Plan), to receive standard health and insurance benefits that are
provided to executives of GTS, to receive certain other fringe benefits and to
be reimbursed for all reasonable expenditures incurred in the execution of each
Named Executive Officer's respective duties. In addition, Mr. Loeber's
employment agreement provides him with 30,000 shares of restricted stock that
vest in an amount of one-third each year for three years beginning on January 2,
1997.
 
     The performance-related bonuses are discretionary annual bonuses. Mr.
Loeber's bonus is based on a comparison of the projected to the actual
performance of HER during any given fiscal year. The maximum amount of Mr.
Loeber's bonus is a percentage of his salary that is determined by the Board of
Directors in its sole discretion. The bonus awards for Messrs. Thames, Marks and
Toth are based on the achievement of performance goals by a combination of both
GTS and the pertinent named Executive Officer and are determined each year by
the compensation committee. The amount of the performance-based bonuses awarded
to Messrs. Marks and Toth may equal up to 30% of the executive's salary for the
year. Mr. Thames may receive a performance-based bonus of up to 100% of his
salary for the year.
 
     Each Employment Agreement may be terminated by GTS by giving notice of
intent to not extend the term of employment, for cause or as a result of the
Named Executive Officer's permanent disability. In the event that the employment
relationship is terminated due to the employee's disability or death or if GTS
provides notice of its intent not to renew the term of employment, GTS shall pay
to the Named Executive Officer or to the Named Executive Officer's estate, as
the case may be, the salary and bonus for the remaining portion of the fiscal
year in which the termination of employment occurs. In addition, if the Company
provides notice of its intent not to extend the term of employment, each Named
Executive Officer will receive assurances in an amount equal to his salary for
the greater of (a) the number of months or days in the notice period and (b) the
period during which the Named Executive Officer remains subject to the
restrictive covenants described below. If the Named Executive Officer is
terminated for cause or if he quits other than for the reasons stated above, he
shall not be entitled to any salary bonus or severance (other than accrued
salary).
 
     Each Employment Agreement includes noncompetition and nonsolicitation
clauses that are effective during the term of employment and for a period of
from four months to one year thereafter. In addition, the Employment Agreements
include an unlimited covenant of confidentiality and nondisclosure. Any dispute
arising under an employment agreement must be resolved through arbitration,
except that each agreement also provides for specific performance and for a
court injunction in the event of a breach by the Named Executive Officer.
 
                                       103
<PAGE>   107
 
                       CERTAIN RELATED PARTY TRANSACTIONS
 
     Alan B. Slifka, the Chairman of the Board of Directors, owns an interest in
an office building in New York in which GTS leased office space until the
corporate headquarters were moved to McLean, Virginia on March 1, 1995. GTS
retains a small office space in New York City that is leased from Mr. Slifka on
a monthly basis, and the annual expense for 1996 was $40,600. Mr. Slifka also
has a consulting agreement with GTS pursuant to which he is paid consulting fees
of $100,000 per year.
 
     Halcyon/Alan B. Slifka Management Company LLC (formerly Alan B. Slifka and
Company), a company principally owned by Mr. Slifka, holds 225,000 stock options
to purchase Common Stock that were granted in 1991 pursuant to a stock option
agreement that is not subject to any stock option plan. The options have an
exercise price of $0.533 per share and are fully vested. Any of the stock
options that remain unexercised after November 30, 2001 shall lapse and become
void. Generally, in the event that Mr. Slifka ceases to be an employee or
nonemployee director of GTS, any of such unexercised stock options shall lapse
thirty days after such termination.
 
     In addition, Joel Schatz, a director of GTS, and Ms. Sandler, the wife of
Morris A. Sandler, a director of GTS were granted in 1991 stock options to
purchase Common Stock pursuant to stock option agreements that are not subject
to any stock option plan. Mr. Schatz holds 50,250 of such stock options to
purchase Common Stock with an exercise price of $0.533 per share. Mr. Schatz's
options are fully vested and any unexercised options he holds after November 4,
2001 shall lapse and become void. Generally, in the event that Mr. Schatz ceases
to be an employee or nonemployee director of GTS any of his unexercised stock
options shall lapse thirty days after such termination. The stock options held
by the spouse of Mr. Sandler were granted to Mr. Sandler in November 1991 and,
with the approval of the Board, were immediately assigned to his spouse, whom
the stand-alone stock option agreement names as the optionee. Pursuant to such
stock option agreement, the spouse of Mr. Sandler was granted 225,000 stock
options to purchase Common Stock at an exercise price of $.533 per share. The
options are fully vested and any unexercised options held after November 4, 2001
shall lapse and become void. Generally, in the event that Mr. Sandler ceases to
be an employee or nonemployee director of GTS, any of such unexercised stock
options shall lapse thirty days after such termination.
 
     Bernard McFadden, Director, has a consulting agreement with GTS pursuant to
which he is paid $100,000 in consulting fees each year.
 
     In August and September 1997, affiliates of George Soros and Mr. Slifka
purchased 319,149 and 57,015 shares of Common Stock, respectively, at a price of
$15.67 per share in the Company's private stock offering. In addition,
affiliates of Mr. Slifka purchased $2.9 million of Convertible Bonds in
September 1997. Pursuant to the terms of the indenture related to the
Convertible Bonds, the Convertible Bonds will be convertible into such shares of
Common Stock as is equal to the principal amount of such Convertible Bonds
divided by the applicable conversion price, which conversion price shall be
equal to the public offering price of the Common Stock in the Offerings. See
"Description of Certain Indebtedness."
 
     Affiliates of Soros Fund Management purchased $40 million of notes from GTS
in 1996, which notes bear interest at 10% per annum, in partial consideration of
which (i) W. James Peet was appointed to the Board of Directors and (ii) the
affiliates received warrants to purchase 4,444,443 shares of Common Stock.
Together with their prior equity interests in GTS, these affiliates currently
hold, on a fully diluted basis (excluding shares underlying stock options), in
excess of 20.3% of the Company's Common Stock. In accordance with the terms of
the warrant agreement, the exercise price of the warrants was reduced from
$10.27 per share to $9.33 per share as the outstanding debt had not been repaid
prior to December 31, 1996. In addition, these affiliates collect a monitoring
fee of $40,000 per month, which they will continue to collect until the
consummation of the Offerings, at which point it will be reduced to $25,000.
Under certain agreements, these affiliates have the right to co-invest with GTS
in all of its new ventures throughout Asia, excluding countries in the former
Soviet Union, and pursuant to this right, one of these affiliates holds a 25%
interest in GTS China Investments LLC. See "Business -- Asia."
 
                                       104
<PAGE>   108
 
     Affiliates of Capital Research International purchased $30 million of notes
from GTS in 1996, which notes bear interest at 10% per annum, in partial
consideration of which it received warrants to purchase 3,333,333 shares of
Common Stock. In accordance with the terms of the warrant agreement, the
exercise price of the warrants was reduced from $10.27 per share to $9.33 per
share as the outstanding debt had not been repaid prior to December 31, 1996.
 
     Jean Salmona, a director of GTS, is the Chairman and Chief Executive
Officer of CESIA. CESIA also provides consultancy services for CDI and for HER.
The Company paid $123,685 in 1996 and $0 in both 1995 and 1994 to CESIA for
consulting services related to CDI. In addition, HER paid $84,270 in 1996 and $0
in both 1995 and 1994 to CESIA for consulting services. Further, the Company
paid $2,314 and $5,843 to CESIA in 1996 and 1997, respectively, pursuant to the
purchase agreement with CESIA related to the CDI business.
 
     Pursuant to a 1995 purchase agreement, the Company received its interest in
GTS-Vox Limited, the intermediate holding company of TCM, in exchange for a note
in the principal amount of $693,380 issued to the sellers and certain additional
consideration to its partners payable in the form of either cash or Common Stock
based upon its financial performance. The Company paid the note in 1996. On
January 17, 1997, the agreement was amended such that the consideration would
only be in the form of the issuance of Common Stock and as such, GTS is
obligated under these arrangements to issue up to a maximum of 1,121,640 shares
of Common Stock. In the first quarter of 1997, pursuant to this agreement the
Company issued 504,600 common shares, which was valued at the Company's current
fair market value of $13.33 per share. In addition, the Company was credited
37,480 shares of Common Stock under the amended agreement, for purposes of
applying against the 1,121,640 maximum number of shares of Common Stock, for the
Company's payment of its note to the sellers in 1996. Common Stock issued
pursuant to the agreement must be held for a minimum holding period. In certain
circumstances, if GTS's partners are unable to sell their shares of Common
Stock, GTS is obligated to assist in locating a purchaser for the Common Stock,
and, if unable to do so, to repurchase these shares. GTS's repurchase
obligations are at the following prices: (i) if shares of Common Stock are then
being publicly traded, at the average trading price of such shares for the 10
trading days preceding such repurchase or (ii) if shares of Common Stock are not
then publicly traded, at the price shares of Common Stock were most recently
offered to individual investors in a private placement, or, if no such private
placement has occurred within the three months preceding the repurchase of such
shares, at a price determined by an independent financial institution to be
agreed upon by GTS and the seller. As a result of their receipt of shares of
Common Stock in 1997, the sellers became shareholders of GTS.
 
     GTS purchased its interest in PrimTelefone, the Company's cellular
operations in the Primorsky region of Russia, from Commstruct International,
B.V. ("CIBV") for $500,000 cash and 400,000 shares of Common Stock of the
Company, as a result of which CIBV became a stockholder of the Company. Pursuant
to the asset purchase agreement relating to the purchase by GTS of its interest
in PrimTelefone, CIBV has the right to have some or all of its shares of Common
Stock repurchased, which right will terminate on the date when the Company first
sells shares of Common Stock to the public pursuant to an effective registration
statement under the Securities Act, by GTS over a five-year period at the
current fair market value of such shares at the time of such repurchase.
 
     Affiliates of Baring International Investment Management Limited
("Barings"), which affiliates consist primarily of investment funds and trusts,
are shareholders of the Company and Barings may designate a non-voting observer
to attend meetings of the Board of Directors of the Company. Barings' observer
status terminates upon the consummation of an initial public offering of the
Company's Common Stock. In April 1996, GTS entered into an agreement with First
NIS Regional Fund SICAF, an affiliate of Barings, to organize GTS Ukrainian
TeleSystems, L.L.C. (the "LLC"), a Delaware limited liability company 60% owned
by GTS, which in turn entered into a stock purchase agreement to acquire 49% of
all the ownership interests in Bancomsvyaz, a Ukrainian limited liability
company. See "Business -- Russia and the CIS." Such acquisition closed in May
1996. By contractual arrangement, Barings designates one member of the board of
directors of Bancomsvyaz. Barings funded $4.5 million to be applied towards the
LLC's purchase of the interest in Bancomsvyaz and for the LLC's $1.5 million
contribution to the registered capital of Bancomsvyaz. Prior to March 1, 1999,
Barings may put its initial investment to GTS for $4.5 million, plus accrued
interest at
                                       105
<PAGE>   109
 
13.5% per annum, or, if GTS has consummated an initial public offering of its
Common Stock, may exercise an option to convert such investment into 438,311
shares of Common Stock at an exercise price of $10.27. In June 1997 the
agreement was amended, such that Barings funded an additional $4.1 million to be
applied toward Bancomsvyaz's capital expenditure and operating capital
requirements. On September 30, 2000, Barings may put that portion of its LLC
interest represented by the additional Barings investment to GTS for $4.1
million, or if GTS has consummated an initial public offering of its Common
Stock, may exercise an option to convert such additional investment into 275,000
Shares of Common Stock at an exercise price of $15.00.
 
                                       106
<PAGE>   110
 
                             PRINCIPAL STOCKHOLDERS
 
     The following table sets forth certain information regarding ownership of
the Common Stock and rights to acquire Common Stock by (i) stockholders that
manage or own, either beneficially or of record, five percent or more of the
Common Stock of the Company, (ii) each of the Company's directors, (iii) each of
the Named Officers and (iv) all directors and executive officers of the Company
as a group of December 31, 1997. For the purposes of this table, a person or
group of persons is deemed to have "beneficial ownership" of any shares which
such has the right to acquire within 60 days after such date, but such shares
are not deemed to be outstanding for the purpose of computing the percentage
ownership of any other person.
 
<TABLE>
<CAPTION>
                                                 SHARES OF COMMON STOCK        SHARES OF COMMON STOCK TO
                                              BENEFICIALLY OWNED PRIOR TO     BE BENEFICIALLY OWNED AFTER
                                                  THE STOCK OFFERINGS             THE STOCK OFFERINGS
                                              ----------------------------    ----------------------------
                                               NUMBER OF                       NUMBER OF
                                                 SHARES        PERCENTAGE        SHARES        PERCENTAGE
                                              BENEFICIALLY    BENEFICIALLY    BENEFICIALLY    BENEFICIALLY
          NAME OF BENEFICIAL OWNER            OWNED(1)(2)       OWNED(1)      OWNED(1)(2)       OWNED(1)
          ------------------------            ------------    ------------    ------------    ------------
<S>                                           <C>             <C>             <C>             <C>
George Soros affiliates.....................   10,837,791(3)      25.8%        10,837,791(3)      20.4%
  c/o Soros Fund Management
  888 Seventh Avenue, 31st Floor
  New York, NY 10106
Alan B. Slifka and affiliates...............    5,492,981(4)      14.5%         5,492,981(4)      11.2%
  c/o Halcyon/Alan B. Slifka Management
    Company LLC
  477 Madison Avenue, 8th Floor
  New York, NY 10022
Capital Research International..............    5,347,620(5)      13.1%         5,347,620(5)      10.3%
  Capital Research International
  25 Bedford Street
  London WC2E England
Emerging Markets Management.................    2,767,046(6)       7.4%         2,767,046(6)       5.7%
  1001 19th Street North, 16th Floor
  Arlington, VA 22209
Morgan Stanley Asset Management.............    2,243,316(7)       6.0%         2,243,316(7)       4.6%
  1221 Avenue of the Americas, 21st Floor
  New York, NY 10020
Gary Gladstein..............................       45,000(8)         *             45,000(8)         *
Bernard McFadden............................       37,500            *             37,500            *
Michael A. Greeley..........................       13,500(9)         *             13,500(9)         *
Stewart J. Paperin..........................        9,000(8)         *              9,000(8)         *
W. James Peet...............................       13,500(8)         *             13,500(8)         *
Jean Salmona................................       13,500            *             13,500            *
Morris A. Sandler...........................      351,000            *            351,000            *
Joel Schatz.................................      500,250          1.3%           500,250          1.0%
Adam Solomon................................       25,500(10)        *             25,500(10)        *
Gerald W. Thames............................      676,562          1.8%           676,562          1.4%
Jan Loeber..................................       30,000(11)        *             30,000(11)        *
Raymond I. Marks............................      246,940            *            246,940            *
Henry A. Radzikowski........................      186,539            *            186,539            *
Louis T. Toth...............................      256,538            *            256,538            *
Other officers..............................      197,051            *            197,051            *
  All Directors and Executive Officers as a
     group (22 persons).....................    2,602,380          6.5%         2,602,380          5.1%
Total of above..............................   29,291,134                      29,291,134
Total shares on a fully diluted basis:......   45,384,590                      56,484,590
</TABLE>
 
                                       107
<PAGE>   111
 
- ---------------
 
  *  Less than 1%
 
 (1) The percentage of ownership is based upon 45,384,590 shares, comprised of
     37,606,814 shares of Common Stock issued and outstanding, and warrants to
     purchase 7,777,776 shares of Common Stock. Excluded from the calculation
     are: 195,528 treasury shares; 6,322,173 shares of Common Stock issued to
     employees under the Company's 1992 Option Plan, of which 2,796,111 are
     vested at December 31, 1997; 759,000 options to purchase shares of Common
     Stock issued to employees prior to the adoption of the Company's 1992
     Option Plan and options issued pursuant to the Directors' Plan and Equity
     Compensation Plan; and an option to convert a debt put right to 713,311
     shares of Common Stock.
 
 (2) Includes shares of Common Stock issuable upon the exercise of stock options
     and stock warrants within 60 days of December 31, 1997.
 
 (3) Comprised of 3,074,199 shares of Common Stock held by the Soros
     Foundation-Hungary; 1,125,000 shares of Common Stock held by the Soros
     Charitable Foundation; 319,149 shares of Common Stock held by Soros
     Humanitarian Foundation; 1,125,000 shares and warrants to purchase
     3,333,333 shares of Common Stock held by The Open Society Institute;
     500,000 and 250,001 shares of Common Stock held by Winston Partners II LDC
     and Winston Partners II LLC, respectively; warrants to purchase 370,371,
     185,184 and 555,555 shares of Common Stock held by Winston Partners II LDC,
     Winston Partners II LLC and Chatterjee Fund Management, respectively, all
     of which are affiliates of George Soros. Information in the above table
     excludes the 45,000, 9,000 and 13,500 shares of, and options for the
     purchase of, Common Stock held by Gary Gladstein, Stewart J. Paperin and W.
     James Peet, respectively, over which the George Soros affiliates disclaim
     ownership.
 
 (4) Includes 2,788,784 shares of Common Stock owned by Mr. Slifka, shares of
     Common Stock held in trust for a minor child and options to purchase
     225,000 shares of Common Stock; 2,563,041 shares of Common Stock owned by
     various Halcyon Partnerships which are managed by Halcyon/Alan B. Slifka
     Management Company LLC, of which Mr. Slifka is the Managing Principal and
     over which Mr. Slifka disclaims beneficial ownership; 67,500 shares of
     Common Stock held by GTS 1995 Partners, L.P.; 4,500 shares of Common Stock
     held by Kevah Konner, a Principal of Halcyon/Alan B. Slifka Management
     Company LLC; 19,656 shares of Common Stock held by John M. Bader, a
     Principal of Halcyon/Alan B. Slifka Management Company LLC; and 49,500
     shares of Common Stock owned by Randolph Slifka, Mr. Slifka's son, over all
     of which Mr. Slifka disclaims beneficial ownership.
 
 (5) Includes 2,014,287 shares of Common Stock and warrants to purchase
     3,333,333 shares of Common Stock held by funds managed by affiliates of
     Capital Research International.
 
 (6) Shares of Common Stock held by funds managed by Emerging Markets
     Management.
 
 (7) Shares of Common Stock held by funds managed by Morgan Stanley Asset
     Management.
 
 (8) Excludes the shares of Common Stock held by the George Soros affiliates,
     over which Gary Gladstein, Stewart J. Paperin and W. James Peet disclaim
     ownership.
 
 (9) Excludes the 1,819,149 shares of Common Stock owned by Chestnut Hill
     Telecom Inc., an affiliate of Michael A. Greeley, over which Mr. Greeley
     disclaims ownership.
 
(10) Excludes 31,914 shares of Common Stock held in trust for a relative over
     which Adam Solomon disclaims ownership.
 
(11) Includes 30,000 restricted shares of Common Stock.
 
                                       108
<PAGE>   112
 
                      DESCRIPTION OF CERTAIN INDEBTEDNESS
 
CHATTERJEE NOTES AND CAPITAL RESEARCH NOTES
 
     In 1996, the Company issued $40 million of notes (the "Chatterjee Notes")
to the Chatterjee Group, an affiliate of George Soros. In connection with the
issuance of the Chatterjee Notes, the Chatterjee Group received warrants (the
"Chatterjee Warrants") to purchase 4,444,443 shares of Common Stock. The
Chatterjee Warrants were initially issued with an exercise price of $10.27 per
share, which exercise price was subsequently reduced to $9.33 per share in
accordance with the terms of the warrant agreement. In addition, The Chatterjee
Group was granted the right to appoint, and has appointed, one member to the
Board of Directors and collects a monitoring fee of $40,000 per month, which it
will continue to collect until the Company completes the Offering. The
Chatterjee Group also has the right to co-invest with GTS in all of its new
ventures throughout Asia, excluding countries in the former Soviet Union, and
pursuant to this right has invested and holds a 25% interest in GTS China
Investments LLC. See "Business -- Asia -- Operations." The Chatterjee Notes bear
interest at 10% per annum and the principal is payable in 12 quarterly
installments commencing April 1, 1998.
 
     In 1996, the Company also issued $30 million of notes (the "Capital
Research Notes") to affiliates of Capital Research International. In connection
with the issuance of the Capital Research Notes, Capital Research International
received warrants (the "Capital Research Warrants") to purchase 3,333,333 shares
of Common Stock. The Capital Research Warrants were initially issued with an
exercise price of $10.27 per share, which exercise price was subsequently
reduced to $9.33 per share in accordance with of the warrant agreement. The
Capital Research Notes bear interest at 10% per annum and the principal is
payable in 12 quarterly installments commencing April 1, 1998.
 
     Both the Chatterjee Notes and the Capital Research Notes impose significant
covenants on the Company which covenants, among other things, limit the ability
of the Company and its subsidiaries to incur debt and pay dividends and require
the Company to maintain certain financial ratios.
 
     The Company intends to use a portion of the net proceeds of the Offerings
to repay the Chatterjee Notes and the Capital Research Notes.
 
CONVERTIBLE BONDS
 
     The Company sold approximately $144.8 million bonds ("Convertible Bonds")
in the Convertible Bond Offering. The Convertible Bonds have a three year
maturity and are unsecured, senior subordinated obligations of the Company. The
Convertible Bonds are issued pursuant to an indenture containing certain
covenants for the benefit of the holders of the Convertible Bonds, including,
among other things, covenants limiting the incurrence of indebtedness,
restricted payments, liens, payment restrictions affecting certain subsidiaries
and joint ventures, transactions with affiliates, asset sales and mergers and
combinations. In the event of a change of control of the Company, holders of the
Convertible Bonds have the right to require GTS to purchase such holder's
Convertible Bonds at prices ranging from 106.5 percent of the principal amount
if the date of redemption occurs on or before June 30, 1998 to 121.0 percent of
the principal amount if the date of redemption occurs after June 30, 1999. The
Convertible Bonds bear interest payable semiannually at a stated rate of 8.75%
for the first year, 9.25% for the second year and 9.75% for the final year until
maturity on June 30, 2000. The Company has granted to the holders of the
Convertible Bonds certain rights with respect to the registration of the shares
of Common Stock issuable upon conversion of the Convertible Bonds.
 
     Each Convertible Bond is convertible into such number of shares of Common
Stock as is equal to the principal amount of such Convertible Bond divided by
$20.00.
 
                                       109
<PAGE>   113
 
     Outstanding Convertible Bonds are, subject to certain conditions,
redeemable at the option of the Company on or after the second anniversary of a
Complying Public Equity Offering, at the principal amount thereof plus accrued
interest, if any. At maturity the Convertible Bonds will be redeemed at their
principal amount plus accrued interest; however, in the event that a Complying
Public Equity Offering has not occurred, outstanding Convertible Bonds will be
redeemed at 121% of their principal amount, plus accrued interest, if any.
 
     A "Complying Public Equity Offering" means a public offering of Common
Stock where, immediately following completion thereof, (a) the following
conditions are met: (i) the Company has made public offerings of Common Stock
with a cumulative public offering price of at least $100,000,000 to an aggregate
of not less than 50 purchasers; (ii) the Common Stock has been listed or shall
be listed in connection with the offering on either the New York Stock Exchange,
the London Stock Exchange, the American Stock Exchange or the Nasdaq National
Market; and (iii) the Company shall have registered additional shares of Common
Stock from private offerings of Common Stock (made pursuant to an exemption from
registration under the Securities Act) with a market value of at least
$100,000,000 calculated using the offering price in the Complying Public Equity
Offering and (b) the aggregate number of shares of Common Stock sold thereby,
together with any Common Stock sold in any prior public offerings plus the
number of shares of Common Stock into which the Convertible Bonds may be
converted (calculated as if such conversion were to be effected on the date of
determination) does not exceed 50 percent of the total number of shares of
Common Stock outstanding on a fully diluted basis. A "Non-Complying Public
Equity Offering" means a public equity offering of Common Stock which satisfies
all of the conditions specified in (a) above, except that the cumulative public
offering price is less than $100,000,000. A "Non-Complying Equity Offering"
means (i) a private offering of Common Stock or (ii) a public offering of Common
Stock that is not a Complying Public Equity Offering.
 
HER NOTES
 
     HER sold $265 million aggregate principal amount of 11 1/2% Senior Notes
due 2007 ("HER Notes") in August, 1997. The HER Notes have a ten year maturity
and are unsecured, senior obligations of HER. HER placed approximately $56.6
million of the net proceeds in escrow for the first two years' interest payments
on the HER Notes. The HER Notes were issued pursuant to an indenture containing
certain covenants for the benefit of the holders of HER Notes, including, among
other things, covenants limiting the incurrence of indebtedness, restricted
payments, liens, payment restrictions affecting certain subsidiaries and joint
ventures, transactions with affiliates, assets sales and mergers. The HER Notes
are redeemable in whole or part, at the option of HER at any time on or after
August 15, 2002 at a price ranging from 105.75 percent to 100.0 percent of the
principal amount.
 
     A portion of the HER Notes are also redeemable at any time or from time to
time prior to August 15, 2000 at a redemption price equal to 111.5% of the
principal amount of the HER Notes so redeemed, plus accrued and unpaid interest
thereon, if any, to the date of redemption with the net cash proceeds of one or
more public equity offerings or strategic equity investments resulting in
aggregate gross cash proceeds to HER of at least $75 million. In the event of a
change of control of HER, holders of the HER Notes have the right to require HER
to purchase such holder's HER Notes at a price equal to 101% of the aggregate
principal amount.
 
EQUIPMENT FINANCING
 
     In connection with the purchase of equipment and services for certain
cellular ventures in the CIS region, the Company entered into a credit agreement
with a bank providing for up to $30.7 million of financing. The facility is
guaranteed by Lucent Technologies, Inc., the vendor of such equipment and
services, and is insured by the Overseas Private Investment Corporation. The
loans under the facility bear interest at LIBOR plus 35 basis points, with
principal and interest payments due semiannually in June and December of each
year through December 15, 2002. In October 1997, an initial $7.5 million was
funded under the facility.
 
                                       110
<PAGE>   114
 
                            DESCRIPTION OF THE NOTES
 
     The Notes will be issued under an Indenture (the "Indenture") to be dated
as of February 10, 1998 between the Company and The Bank of New York, as trustee
(the "Trustee"). The following summary of certain provisions of the Indenture
and the Escrow Agreement does not purport to be complete and is subject to, and
is qualified in its entirety by reference to, the Trust Indenture Act of 1939,
as amended (the "Trust Indenture Act"), and to all of the provisions of the
Indenture and the Escrow Agreement, including the definitions of certain terms
therein and those terms made a part of the Indenture by reference to the Trust
Indenture Act. A copy of each of the Indenture and the Escrow Agreement has been
filed as an exhibit to the Registration Statement of which this Prospectus is a
part. The definitions of certain terms used in the following summary are set
forth under "-- Certain Definitions" below. References in this "Description of
the Notes" section to "the Company" mean only Global TeleSystems Group, Inc. and
not any of its Subsidiaries.
 
GENERAL
 
     The Notes will be issued only in registered form, without coupons, in
denominations of $1,000 and integral multiples of $1,000. The Company will
initially appoint the Trustee to serve as registrar and principal paying agent
under the Indenture at its offices at 101 Barclay Street, New York, New York
10286. The registrar, paying agents, and transfer agents (the "Registrar,"
"Paying Agents" and "Transfer Agents," respectively) are appointed in accordance
with the Indenture. No service charge will be made for any registration of
transfer or exchange of the Notes, except for any tax or other governmental
charge that may be imposed in connection therewith.
 
RANKING
 
     The Notes will be general unsecured obligations of the Company and will
rank senior in right of payment to all Indebtedness of the Company that is, by
its terms or by the terms of the agreement or instrument governing such
Indebtedness, expressly subordinated in right of payment to the Notes (including
the Company's outstanding Senior Subordinated Convertible Bonds due 2000) and
pari passu in right of payment with all existing and future unsecured
liabilities of the Company that are not so subordinated. The Notes will be
effectively subordinated to all Indebtedness and other liabilities of the
Company's subsidiaries and joint ventures. The Indenture does not prohibit the
subsidiaries and joint ventures of the Company from incurring Indebtedness in
the future.
 
     The Notes will not be entitled to any security, except as described under
"-- Escrow Account" below and will not be entitled to the benefit of any
guarantees, except under the circumstances described under "--Certain
Covenants --Limitation on Issuances of Guarantees by Restricted Group Members"
below.
 
MATURITY, INTEREST AND PRINCIPAL OF THE NOTES
 
     The Notes will be limited to $105.0 million aggregate principal amount and
will mature on February 15 , 2005. Cash interest will accrue on the Notes at the
rate per annum set forth on the cover page of this Prospectus and will be
payable semi-annually in arrears on each February 15 and August 15, commencing
August 15, 1998, to the holders of record of Notes (the "Holders") at the close
of business on February 1 and August 1, respectively, immediately preceding such
interest payment date. Cash interest will accrue from the most recent interest
payment date to which interest has been paid or, if no interest has been paid,
from the Issue Date. Interest will be computed on the basis of a 360-day year of
twelve 30-day months.
 
     Principal of, and interest on, the Notes will be payable, and the transfer
of Notes will be registrable, at the office of the Trustee, and at the offices
of the Paying Agents and Transfer Agents, respectively. Payments of such
principal and premium, if any, will be made against surrender of Certificated
Notes at the corporate trust office of the Paying Agent in New York City by
United States dollar check drawn on, or wire transfer to a United States dollar
account maintained by the Holder with, a bank located in New York City. Payments
of any installment of interest on Notes will be made by a United States dollar
check drawn on a bank in New York City mailed to the Holder at such Holder's
registered address or (if arrangements satisfactory to the
 
                                       111
<PAGE>   115
 
Company and the Paying Agents are made) by wire transfer to a United States
dollar account maintained by the Holder with a bank in New York City.
 
     If a payment date is not a Business Day at a place of payment, payment may
be made at that place on the next succeeding Business Day and no interest shall
accrue for the intervening period.
 
     The Company may at any time deliver Notes to the Trustee for cancellation.
Subject to the terms of the Indenture, the Company may not issue new Notes to
replace Notes that it has paid or delivered to the Trustee for cancellation.
 
ESCROW ACCOUNT
 
     Concurrently with the consummation of the Offering, pursuant to the
Indenture, the Company shall place approximately $19.6 million of the net
proceeds of the Offering, representing funds that together with the proceeds
from the investment thereof will be sufficient to pay the first four scheduled
interest payments on the Notes, in an Escrow Account (the "Escrow Account") held
by the Trustee for the benefit of the Holders in accordance with an Escrow
Agreement to be entered into between the Company and the Trustee (the "Escrow
Agreement"). The Escrow Agreement will provide, among other things, that funds
may be disbursed from the Escrow Account for interest payments the Company makes
on the Notes. The Trustee will be instructed to cause all funds in the Escrow
Account to be invested, pending disbursement, in Cash Equivalents. Interest
earned on these Cash Equivalents will be added to the Escrow Account.
 
     Under the Escrow Agreement, the Company will grant to the Trustee, for the
benefit of the Holders, a first priority and exclusive security interest in the
Escrow Account and the proceeds thereof (the "Escrow Collateral"). The Escrow
Agreement will provide that the Trustee may foreclose on the Escrow Collateral
upon acceleration of the maturity of the Notes. Under the terms of the
Indenture, the proceeds of the Escrow Collateral will be applied, first, to
amounts owing to the Trustee in respect of fees and expenses of the Trustee, and
second, to the Obligations of the Company to the Holders under the Notes and the
Indenture. The ability of Holders to realize upon the Escrow Collateral may be
subject to certain bankruptcy law limitations in the event of the bankruptcy of
the Company.
 
     Upon payment in full of the first four scheduled interest payments, if no
Default or Event of Default has occurred and is continuing, the Escrow
Collateral will be released to the Company.
 
OPTIONAL REDEMPTION
 
     Except as set forth below, the Notes are not redeemable prior to February
15, 2002. The Notes will be redeemable at the option of the Company, in whole or
in part, at any time or from time to time on or after February 15, 2002, upon
not less than 30 nor more than 60 days' prior notice mailed by first class mail
to each Holder's registered address, at the redemption prices (expressed as a
percentage of principal amount) set forth below, plus accrued and unpaid
interest thereon, if any, to the date of redemption, if redeemed during the
12-month period beginning on February 15 of the years indicated below:
 
<TABLE>
<CAPTION>
                                                            REDEMPTION
YEAR                                                          PRICE
- ----                                                        ----------
<S>                                                         <C>
2002......................................................    104.938%
2003......................................................    102.469%
2004 and thereafter.......................................    100.000%
</TABLE>
 
     In addition, at any time or from time to time prior to February 15, 2001,
upon not less than 30 nor more than 60 days' prior notice mailed by first class
mail to each Holder's registered address, the Company may redeem up to one-third
of the original aggregate principal amount of the Notes at a redemption price
equal to 109.875% of the principal amount of the Notes (determined at the
redemption date), plus accrued and unpaid interest thereon, if any, to the date
of redemption with the net cash proceeds of one or more additional Public Equity
Offerings or Strategic Equity Investments resulting in aggregate gross proceeds
to the Company of at least $75.0 million; provided, however, that at least
two-thirds of the original aggregate principal amount of Notes remains
outstanding immediately after giving effect to any such redemption (excluding
any Notes
 
                                       112
<PAGE>   116
 
owned by the Company or any of its Affiliates). Notice of any such redemption
must be given within 60 days after the date of a Public Equity Offering or
Strategic Equity Investment resulting in gross cash proceeds to the Company,
when aggregated with all prior Public Equity Offerings or Strategic Equity
Investments, of at least $75.0 million.
 
SELECTION AND NOTICE OF REDEMPTION
 
     In the event that less than all of the Notes are to be redeemed at any time
pursuant to an optional redemption, selection of such Notes for redemption will
be made by the Trustee in compliance with the requirements of the principal
national securities exchange, if any, on which the Notes are listed or, if the
Notes are not then listed on a national securities exchange, on a pro rata
basis, by lot or by such method as the Trustee shall deem fair and appropriate;
provided, however, that (1) no Notes of a principal amount of $1,000 or less
shall be redeemed in part, and (2) if a partial redemption is made pursuant to
the provisions described under "-- Optional Redemption" above selection of the
Notes or portions thereof for redemption shall be made by the Trustee only on a
pro rata basis or on as nearly a pro rata basis as is practicable (subject to
the procedures of The Depository Trust Company (the "Depositary" or "DTC")),
unless such method is otherwise prohibited. Notice of redemption shall be mailed
by first-class mail at least 30 but not more than 60 days before the date of
redemption to each Holder of Notes to be redeemed at its registered address. If
any Note is to be redeemed in part only, the notice of redemption that relates
to such Note shall state the portion of the principal amount thereof to be
redeemed. A new Note in a principal amount equal to the unredeemed portion
thereof will be issued in the name of the Holder thereof upon cancellation of
the original Note. On and after the date of redemption, interest will cease to
accrue on Notes or portions thereof called for redemption as long as the Company
has deposited with the Paying Agents for the Notes in New York funds in
satisfaction of the redemption price pursuant to the Indenture.
 
CHANGE OF CONTROL
 
     Following the occurrence of a Change of Control (the date of such
occurrence being the "Change of Control Date"), the Company shall notify the
Holders of such occurrence in the manner prescribed by the Indenture and shall,
within 30 days after the Change of Control Date, make an Offer to Purchase all
Notes then outstanding at a purchase price in cash equal to 101% of the
principal amount thereof, plus accrued and unpaid interest thereon, if any, to
the date of purchase. The Company's obligations may be satisfied if a third
party makes the Offer to Purchase in the manner, at the times and otherwise in
compliance with the requirements of the Indenture applicable to an Offer to
Purchase made by the Company and purchases all Notes validly tendered and not
withdrawn under such Offer to Purchase.
 
     If an Offer to Purchase is made, there can be no assurance that the Company
will have available funds sufficient to pay for all of the Notes that might be
tendered by Holders seeking to accept the Offer to Purchase. If the Company
fails to purchase all of the Notes tendered for purchase upon the occurrence of
a Change of Control, such failure will constitute an Event of Default. See
"-- Events of Default" below and "Risk Factors -- Ability to Service Debt,
Ability to Repurchase Notes Upon a Change of Control."
 
     If the Company makes an Offer to Purchase, the Company will comply with all
applicable tender offer laws and regulations, including, to the extent
applicable, Section 14(e) and Rule 14e-1 under the Exchange Act, and any other
applicable Federal or state securities laws and regulations and any applicable
requirements of any securities exchange on which the Notes are listed, and any
violation of the provisions of the Indenture relating to such Offer to Purchase
occurring as a result of such compliance shall not be deemed a Default.
 
CERTAIN COVENANTS
 
     Limitation on Restricted Payments.  The Company shall not, and shall not
cause or permit any Restricted Group Member to, directly or indirectly.
 
          (i) declare or pay any dividend or any other distribution on any
     Equity Interests of the Company or any Restricted Group Member or make any
     payment or distribution to the direct or indirect holders of Equity
     Interests of the Company or any Restricted Group Member in their capacities
     as such, other than
                                       113
<PAGE>   117
 
     (a) dividends, distributions and payments made to the Company or any
     Restricted Group Member, (b) dividends or distributions payable to any
     Person solely in Qualified Equity Interests or in options, warrants or
     other rights to purchase Qualified Equity Interests and (c) pro rata
     dividends or distributions on Equity Interests of any Restricted Group
     Member held by Persons other than the Company or any other Restricted Group
     Member; provided, however, that the Company and any other Restricted Group
     Member holding Equity Interests of such dividend or distribution-paying
     Restricted Group Member shall receive such pro rata or greater dividends or
     distributions as may be due to such other Restricted Group Members at or
     prior to the payment of such pro rata dividends or distributions to such
     Persons other than the Company or any other Restricted Group Member;
 
          (ii) purchase, redeem or otherwise acquire or retire for value any
     Equity Interests of the Company or any Equity Interests of any Restricted
     Group Member owned by any Affiliate of the Company, other than (a) any such
     Equity Interests owned by the Company or any Restricted Group Member; and
     (b) any Permitted Repurchase;
 
          (iii) purchase, redeem, defease or retire for value, or make any
     principal payment on, prior to any scheduled maturity, scheduled repayment
     or scheduled sinking fund payment, any Subordinated Indebtedness, other
     than any (a) Subordinated Indebtedness held by any Restricted Group Member,
     (b) purchase, repurchase or acquisition of Indebtedness in anticipation of
     satisfying a sinking fund obligation, principal installment or final
     maturity, in any case due within one year of the date of acquisition and
     (c) prepayment of interest on the Company's outstanding Senior Subordinated
     Convertible Bonds due 2000; or
 
          (iv) make any Investment (other than any Permitted Investment)
 
(any of the foregoing (other than any exception to any of the foregoing), a
"Restricted Payment"), unless
 
          (a) no Default or Event of Default shall have occurred and be
     continuing at the time of, or after giving effect to, such Restricted
     Payment;
 
          (b) immediately after giving effect to such Restricted Payment, the
     Company would be able to Incur $1.00 of additional Indebtedness under
     paragraph (a) of "-- Limitation on Incurrence of Indebtedness" below; and
 
          (c) immediately after giving effect to such Restricted Payment, the
     aggregate amount of all Restricted Payments (including the Fair Market
     Value of any non-cash Restricted Payment) declared or made on or after the
     Issue Date (excluding any Restricted Payment described in clause (ii),
     (iii), (iv) or (vii) of the next paragraph) does not exceed an amount equal
     to the sum of the following (the "Basket"):
 
             (1) (x) the Cumulative Operating Cash Flow determined at the time
        of such Restricted Payment less (y) 150% of cumulative Adjusted Interest
        Expense determined for the period (treated as one accounting period)
        commencing on the first day of the first fiscal quarter following the
        Issue Date and ending on the last day of the most recent fiscal quarter
        immediately preceding the date of such Restricted Payment for which
        consolidated financial information of the Company is required to be
        available, plus
 
             (2) the aggregate Net Proceeds received by the Company either (x)
        as capital contributions to the Company after the Issue Date or (y) from
        the issue and sale (other than to any Restricted Group Member) of
        Qualified Equity Interests after the Issue Date, other than any issuance
        and sale of Qualified Equity Interests (A) financed, directly or
        indirectly, using funds (I) borrowed from the Company or any Restricted
        Group Member until and to the extent such borrowing is repaid or (II)
        contributed, extended, guaranteed or advanced by the Company or any
        Restricted Group Member (including, without limitation, in respect of
        any employee stock ownership or benefit plan), (B) to the extent the Net
        Proceeds were used to Incur Indebtedness pursuant to clause (xii) of
        paragraph (b) of "-- Limitation on Incurrence of Indebtedness" below or
        (C) the proceeds of which are used to effect any transaction permitted
        by clauses (ii), (iii), (iv) or (vii) of the next paragraph, plus
 
                                       114
<PAGE>   118
 
             (3) the aggregate amount by which Indebtedness (other than the
        Company's outstanding Senior Subordinated Convertible Bonds due 2000 (or
        any Permitted Refinancing thereof)) of the Company or any Restricted
        Subsidiary is reduced on the Company's balance sheet upon the conversion
        or exchange (other than by a Subsidiary of the Company) subsequent to
        the Issue Date into Qualified Equity Interests (less the amount of any
        cash, or the fair value of property, distributed by the Company or any
        Restricted Subsidiary upon such conversion or exchange), plus
 
             (4) in the case of the disposition or repayment of any Investment
        that was treated as a Restricted Payment made after the Issue Date, an
        amount (to the extent not included in the computation of Cumulative
        Operating Cash Flow) equal to the lesser of: (x) the return of capital
        with respect to such Investment and (y) the amount of such Investment
        that was treated as a Restricted Payment, in either case, less the cost
        of the disposition of such Investment and net of taxes, plus
 
             (5) with respect to any Unrestricted Group Member that has been
        redesignated as a Restricted Group Member after the Issue Date in
        accordance with "-- Designation of Unrestricted Group Members" below,
        the Company's proportionate interest in an amount equal to the excess of
        (x) the total assets of such Restricted Group Member, valued on an
        aggregate basis at the lesser of book value and Fair Market Value, over
        (y) the total liabilities (other than liabilities to the Company or any
        Restricted Group Member) of such Restricted Group Member, determined in
        accordance with GAAP (and provided that such amount shall not in any
        case exceed in the case of any Restricted Group Member designated
        pursuant to clause (A)(ii) of paragraph (a) of "-- Designation of
        Unrestricted Group Members" below, the Designation Amount with respect
        to such Restricted Group Member when it was originally designated as an
        Unrestricted Group Member), minus
 
             (6) with respect to each Restricted Group Member which has been
        designated as an Unrestricted Group Member after the Issue Date in
        accordance with clause (A)(ii) of paragraph (a) of "-- Designation of
        Unrestricted Group Members" below, the greater of (x) $0 and (y) the
        Designation Amount thereof (measured as of the date of Designation),
        minus.
 
             (7) at any date, the outstanding amount of the Designation Basket.
 
     The foregoing provisions will not prevent (i) the payment of any dividend
or distribution on, or redemption of, Equity Interests within 60 days after the
date of declaration of such dividend or distribution or the giving of formal
notice of such redemption, if at the date of such declaration or giving of
formal notice such payment or redemption would comply with the provisions of the
Indenture; (ii) the purchase, redemption, retirement or other acquisition of any
Equity Interests of the Company or any Restricted Group Member in exchange for,
or out of the net cash proceeds of the substantially concurrent (A) common
equity capital contribution to the Company from any Person (other than a
Restricted Group Member) or (B) issue and sale by the Company (other than to a
Restricted Group Member) of Qualified Equity Interests of the Company; (iii) any
Investment to the extent that the consideration therefor consists of the net
proceeds of the substantially concurrent issue and sale (other than to a
Restricted Group Member) of Qualified Equity Interests; (iv) the purchase,
redemption, retirement, defeasance or other acquisition of Subordinated
Indebtedness made in exchange for, or out of the net cash proceeds of, a
substantially concurrent issue and sale (other than to a Restricted Group
Member) of (x) Qualified Equity Interests or (y) other Subordinated Indebtedness
issued in a Permitted Refinancing; (v) any Investment in a Person principally
engaged in a Telecommunications Business so long as after giving effect to each
such Investment thereto (A) Adjusted Total Controlled Assets is greater than 51%
of the Adjusted Total Assets and (B) any such Investment is not directly or
indirectly made with the proceeds of any Indebtedness Incurred under paragraph
(b)(v) or (b)(xii) of "-- Certain Covenants -- Limitation on Incurrence of
Indebtedness" below; (vi) other Restricted Payments in an amount not to exceed
$50.0 million so long as not more than $25.0 million of which is Restricted
Payments of the type described in clauses (i) or (ii) of the first paragraph of
this covenant; or (vii) Investments in a Person which has ceased to be a
Restricted Affiliate or ceases to observe any of the provisions of the covenants
applicable to it as a result of an Involuntary Event if (a) such Investment is
made with the proceeds of a substantially concurrent capital contribution to the
Company from any Person (other
 
                                       115
<PAGE>   119
 
than a Restricted Group Member), or sale (other than to any Restricted Group
Member) of Qualified Equity Interests of the Company, and (b) after such
Investment such Involuntary Event shall no longer continue and such Person shall
be a Restricted Affiliate; provided, however, that in the case of each of
clauses (ii), (iii), (iv), (v) (vi), and (vii), no Default or Event of Default
shall have occurred and be continuing or would arise therefrom (except, with
respect to clause (vii), a Default or Event of Default that will cease to exist
substantially contemporaneously with such Investment).
 
     For purposes of clause (iv) of the first paragraph of this covenant, the
Company shall be deemed to have made an Investment not constituting a Permitted
Investment:
 
          (i) at the date that any Restricted Group Member ceases to be a
     Restricted Group Member for any reason (other than by virtue of a
     Designation), including without limitation, by virtue of any transaction
     permitted by clause (iii) of "-- Limitation on the Issuance and Sale of
     Equity Interests of Restricted Group Members" below, in an amount equal to
     the greater of (I) $0 and (II) the lesser of (A) the Fair Market Value of
     the Equity Interests (or any other Investment) held by the Company or any
     Restricted Group Member in any such Restricted Group Member and (B) the
     excess of the Fair Market Value of the aggregate amount of Investments made
     prior to such date in such Restricted Group Member by the Company or any
     Restricted Group Member (valued in each case at the time such Investment
     was made) over the net reduction of such Investments; and
 
          (ii) at the time that any Investment has ceased to be a Permitted
     Investment pursuant to clause (j)(II) of the definition of Permitted
     Investments, in an amount equal to the Fair Market Value of such Investment
     at the time it was made.
 
     Limitation on Incurrence of Indebtedness. (a) The Company shall not, and
shall not cause or permit any Restricted Group Member to, directly or
indirectly, Incur any Indebtedness (including Acquired Indebtedness); provided,
however, that the Company and any Restricted Group Member may Incur Indebtedness
if, at the time of and after giving effect to such Incurrence, the Company's
Debt to Annualized Operating Cash Flow Ratio would be less than or equal to 6.0
to 1.0.
 
     (b) The foregoing limitations of paragraph (a) of this covenant will not
apply to any of the following, each of which shall be given independent effect:
 
          (i) the Notes and Permitted Refinancings thereof;
 
          (ii) Indebtedness of the Company or any Restricted Group Member to the
     extent outstanding on the date of the Indenture, and Permitted Refinancings
     thereof;
 
          (iii) Indebtedness of the Company pursuant to the Senior Credit
     Facility in an aggregate amount at any time outstanding not to exceed
     $100.0 million;
 
          (iv) Indebtedness of the Company or any Restricted Group Member, in
     each case, to the extent that the proceeds of or credit support provided by
     such Indebtedness is used to finance the cost (including the cost of
     design, development, construction, installation or integration) of network
     assets, equipment or inventory acquired by the Company or any Restricted
     Group Member after the Issue Date or to finance or support working capital
     or capital expenditures for a Telecommunications Business, and Permitted
     Refinancings thereof;
 
          (v) Indebtedness (including Acquired Indebtedness) of the Company or
     any Restricted Group Member to the extent that the proceeds of or credit
     support provided by such Indebtedness is used in connection with the
     development, expansion or operation of a Telecommunications Business or is
     used to finance (or is Incurred as Acquired Indebtedness in connection with
     the consummation of) a Telecommunications Acquisition (or is used to
     provide working capital for, or to finance the construction of, the
     business or network acquired), and, in each case, Permitted Refinancings
     thereof, but in each case only to the extent that the aggregate amount of
     outstanding Indebtedness of the Company and the Restricted Group Members
     immediately after giving effect to the Incurrence of such Indebtedness and
     the application of the proceeds therefrom does not exceed the product of
     2.0 and the Share Capital of the Company at the date of Incurrence of such
     Indebtedness;
 
          (vi) Acquired Indebtedness of the Company or any Restricted Group
     Member Incurred in connection with the consummation of a Telecommunications
     Acquisition, and, in each case, Permitted
                                       116
<PAGE>   120
 
     Refinancings thereof, but in each case only to the extent that the
     aggregate amount of such Acquired Indebtedness does not exceed the net sum
     of the plant, property and equipment acquired by the Company or a
     Restricted Group Member in such Telecommunications Acquisition as set forth
     on the Latest Balance Sheet of the Person which is the other party to such
     Telecommunications Acquisition;
 
          (vii) (1) Indebtedness of any Restricted Group Member owed to and held
     by the Company or any Restricted Group Member and (2) Indebtedness of the
     Company owed to and held by any Restricted Group Member, in each case which
     is unsecured and subordinated in right of payment to the payment and
     performance of the Company's obligations under the Notes; provided,
     however, that an Incurrence of Indebtedness that is not permitted by this
     clause (vii) shall be deemed to have occurred upon (x) any sale or other
     disposition of any Indebtedness of the Company or any Restricted Group
     Member referred to in this clause (vii) to any Person other than the
     Company or any Restricted Group Member or (y) any Restricted Group Member
     that holds Indebtedness of the Company or another Restricted Group Member
     ceasing to be a Restricted Group Member;
 
          (viii) Interest Rate Protection Obligations of the Company or any
     Restricted Group Member relating to Indebtedness of the Company or such
     Restricted Group Member, as the case may be (which Indebtedness is
     otherwise permitted to be Incurred under this covenant); provided, however,
     that the notional principal amount of such Interest Rate Protection
     Obligations does not exceed the principal amount of the Indebtedness to
     which such Interest Rate Protection Obligations relate;
 
          (ix) Indebtedness of the Company or any Restricted Group Member under
     Currency Agreements to the extent relating to (x) Indebtedness of the
     Company or such Restricted Group Member, as the case may be, and/or (y)
     obligations to purchase assets, properties or services incurred in the
     ordinary course of business of the Company or such Restricted Group Member,
     as the case may be; provided, however, that such Currency Agreements do not
     increase the Indebtedness or other obligations of the Company and the
     Restricted Group Members outstanding other than as a result of fluctuations
     in foreign currency exchange rates or by reason of fees, indemnities or
     compensation payable thereunder;
 
          (x) Indebtedness of the Company and/or any Restricted Group Member in
     respect of performance bonds of the Company or any Restricted Group Member
     or surety bonds provided by the Company or any Restricted Group Member
     incurred in the ordinary course of business and on ordinary business terms
     in connection with the construction or operation of a Telecommunications
     Business;
 
          (xi) Indebtedness arising from agreements providing for
     indemnification, adjustment of purchase price or similar obligations, or
     from guarantees or letters of credit, surety bonds or performance bonds
     securing any obligations of the Company or any Restricted Group Member
     pursuant to such agreements, in any case Incurred in connection with the
     disposition of any business, assets or Restricted Group Member (other than
     guarantees of Indebtedness Incurred by any Person acquiring all or any
     portion of such business, assets or Restricted Group Member for the purpose
     of financing such acquisition), in a principal amount not to exceed the
     gross proceeds actually received by the Company or any Restricted Group
     Member in connection with such disposition;
 
          (xii) Indebtedness of the Company or any Restricted Group Member so
     long as the sum of (1) the aggregate amount of Indebtedness Incurred and
     outstanding by the Company pursuant to this clause (xii) and (2) the
     product of 2.0 and the aggregate amount of Indebtedness Incurred and
     outstanding by the Restricted Group Members (collectively) pursuant to this
     clause (xii) does not exceed the product of 2.0 and (A) 100% of the Net
     Proceeds received by the Company after the Issue Date from contributions of
     capital or the issuance and sale of its Qualified Equity Interests to any
     Person (other than any Restricted Group Member) and (B) 80% of the Net
     Proceeds of property other than cash received by the Company after the
     Issue Date from contributions of capital or the issuance and sale of its
     Qualified Equity Interests to any Person (other than any Restricted Group
     Member), in each case (A) and (B) only to the extent that such Net Proceeds
     have not been used pursuant to clause (c)(2) of the first paragraph of
     "-- Limitation on Restricted Payments" above to make a Restricted Payment;
     provided, however, that no such Indebtedness may be Incurred pursuant to
     this clause (xii) to the extent that such contributions to capital or
     issuance and sale of Qualified Equity Interests were previously included in
     the
                                       117
<PAGE>   121
 
     determination of Share Capital for purposes of Incurring Indebtedness under
     clause (v) above of this paragraph (b) of this covenant;
 
          (xiii) in addition to the items referred to in clauses (i) through
     (xii) above, Indebtedness of the Company or any Restricted Group Member in
     an aggregate amount not to exceed $20.0 million at any time outstanding;
     and
 
          (xiv) guarantees by the Company of any Indebtedness of any Restricted
     Group Member permitted to be Incurred by such Restricted Group Member under
     this paragraph (b).
 
     (c) For purposes of determining any particular amount of Indebtedness under
this covenant, guarantees, Liens or obligations with respect to letters of
credit supporting Indebtedness otherwise included in the determination of such
particular amount shall not be included; provided, however, that the foregoing
shall not in any way be deemed to limit the provisions of "-- Limitation on
Issuances of Guarantees by Restricted Group Members" below.
 
     (d) For purposes of determining compliance with this covenant, in the event
that an item of Indebtedness may be Incurred through the first paragraph of this
covenant or by meeting the criteria of one or more of the types of Indebtedness
described in the second paragraph of this covenant (or the definitions of the
terms used therein), the Company, in its sole discretion, may, at the time of
such Incurrence, (i) classify such item of Indebtedness under and comply with
either of such paragraphs (or any of such definitions), as applicable, (ii)
classify and divide such item of Indebtedness into more than one of such
paragraphs (or definitions), as applicable, and (iii) elect to comply with such
paragraphs (or definitions), as applicable, in any order.
 
     (e) Notwithstanding any other provision of this covenant, the maximum
amount of Indebtedness that the Company or a Restricted Group Member may Incur
pursuant to this covenant shall not be deemed to be exceeded, with respect to
any outstanding Indebtedness, due solely to the result of fluctuations in the
exchange rates of currencies.
 
     Limitation on Restrictions Affecting Restricted Group Members.  The Company
shall not, and shall not cause or permit any Restricted Group Member to,
directly or indirectly, create or otherwise cause or suffer to exist or become
effective any encumbrance or restriction on the ability of any Restricted Group
Member to (x) pay dividends or make any other distributions to the Company or
any other Restricted Group Member on its Equity Interests or with respect to any
other interest or participation in, or measured by, its profits, or pay any
Indebtedness owed to the Company or any other Restricted Group Member, (y) make
loans or advances to, or guarantee any Indebtedness or other obligations of, the
Company or any other Restricted Group Member, or (z) transfer any of its
properties or assets to the Company or any other Restricted Group Member.
 
     The foregoing shall not prohibit (a) any encumbrance or restriction
existing under or by reason of any agreement in effect on the Issue Date, as any
such agreement is in effect on such date or as thereafter amended or
supplemented but only if such encumbrance or restriction is no more restrictive
than that in the agreement being amended; (b) customary provisions contained in
an agreement that has been entered into for the sale or disposition of all or
substantially all of the Equity Interests or assets of a Restricted Group
Member; provided, however, that (x) such encumbrance or restriction is
applicable only to such Restricted Group Member (or the applicable assets to be
sold) and (y) such sale or disposition is made in accordance with " --
Limitation on Asset Sales" below; (c) any encumbrance or restriction existing
under or by reason of applicable law; (d) customary provisions restricting
subletting or assignment of any lease governing any leasehold interest of any
Restricted Group Member; (e) covenants in purchase money obligations for
property acquired in the ordinary course of business restricting transfer of
such property; (f) covenants in security agreements securing Indebtedness of the
Company or any Restricted Group Member (to the extent that such Liens were
otherwise incurred in accordance with "-- Limitation on Liens" below) that
restrict the transfer of property subject to such agreements; (g) any agreement
or other instrument of a Person acquired by the Company or any Restricted Group
Member in existence at the time of such acquisition, which encumbrance or
restriction (x) is not applicable to any Person, or the properties or assets of
any Person, other than the Person, or the
 
                                       118
<PAGE>   122
 
properties or assets of the Person so acquired, and (y) is not incurred in
connection with or in contemplation of such acquisition; (h) any encumbrance or
restriction contained in any agreement entered into after the Issue Date, so
long as such encumbrance or restriction is not materially more disadvantageous
to the Holders than the encumbrances and restrictions of the Company or any
Restricted Group Member in existence at the Issue Date; (i) any encumbrance or
restriction contained in any stockholders, joint venture or similar agreement,
so long as such encumbrance or restriction is not materially more
disadvantageous to the Holders than the encumbrances and restrictions contained
in comparable agreements entered into prior to the Issue Date by the Company or
a Restricted Group Member; (j) any encumbrance or restriction contained in any
Senior Credit Facility; or (k) any encumbrance or restriction contained in any
agreement entered into after the Issue Date for Indebtedness so long as (A) such
encumbrance or restriction is not more restrictive than that which is customary
in comparable financing agreements and (B) management of the Company determines
that such encumbrance or restriction will not materially impair the Company's
ability to make payments when due on the Notes.
 
     Nothing contained in this covenant shall prevent the Company or any
Restricted Group Member from (i) creating, Incurring, assuming or suffering to
exist any Liens not prohibited by "-- Limitation on Liens" below; or (ii)
restricting the sale or other disposition of property or assets of the Company
or any Restricted Group Member that secure Indebtedness of the Company or any
Restricted Group Member.
 
     Designation of Unrestricted Group Members.  (a) The Company may designate
any Restricted Group Member as an "Unrestricted Group Member" under the
Indenture (a "Designation") only if:
 
  Either (A):
 
          (i) no Default or Event of Default shall have occurred and be
     continuing after giving effect to such Designation;
 
          (ii) the Company would be permitted to make an Investment (other than
     a Permitted Investment) at the time of such Designation (assuming the
     effectiveness of such Designation) pursuant to "--Limitation on Restricted
     Payments" above in an amount (the "Designation Amount") equal to the Fair
     Market Value of the Equity Interests of such Restricted Group Member owned
     directly or indirectly by the Company on such date; and
 
          (iii) if such Restricted Group Member is a Subsidiary of Hermes
     Europe, simultaneously with such Designation, Hermes Europe shall make a
     similar designation of such Subsidiary in accordance with the terms of the
     Hermes Europe Senior Notes Indenture; or
 
  (B):
 
          (i) such Restricted Group Member is not in compliance with one or more
     covenants under the Indenture that it is required to comply with;
 
          (ii) the Company has used its diligent best efforts to procure
     compliance by such Restricted Group Member with the covenants of the
     Indenture that such Restricted Group Member is required to comply with;
 
          (iii) the Company has used its diligent best efforts to cure such
     noncompliance; and
 
          (iv) the aggregate sum of (x) the Fair Market Value of all Equity
     Interests owned directly or indirectly by the Company of all Restricted
     Group Members which have been the subject of a Designation pursuant to this
     clause (B) since the Issue Date and which Designation has not been the
     subject of a Revocation (each such Fair Market Value of the Equity
     Interests of any such Restricted Group Member to be the Fair Market Value
     thereof at the date of each such Designation) plus (y) the greater of (1)
     $0 and (2) the excess of the Fair Market Value at the date of Designation
     pursuant to this clause (B) of the Equity Interests of such Restricted
     Group Member owned directly or indirectly by the Company over the Fair
     Market Value at the date of Revocation of the status of such Restricted
     Group Member as an Unrestricted Group Member does not exceed $25.0 million
     (such sum, at any date, the "Designation Basket").
 
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<PAGE>   123
 
     All Subsidiaries of Unrestricted Subsidiaries shall be Unrestricted Group
Members. On the Issue Date, the Company shall effect Designations of each
Subsidiary of Hermes Europe that Hermes Europe has previously designated as an
Unrestricted Subsidiary in accordance with terms of the Hermes Europe Senior
Notes Indenture.
 
     The Company shall not, and shall not cause or permit any Restricted Group
Member to, directly or indirectly, at any time be liable for any Indebtedness
(other than any Senior Credit Facility) which provides that the holder thereof
may (upon notice, lapse of time or both) declare a default thereon or cause the
payment thereof to be accelerated or payable prior to its final scheduled
maturity upon the occurrence of a default with respect to any Indebtedness of
any Unrestricted Group Member.
 
     (b) The Company may revoke any Designation of a Subsidiary or Affiliate as
an Unrestricted Group Member (a "Revocation") only if:
 
          (i) no Default or Event of Default shall have occurred and be
     continuing at the time of and after giving effect to such Revocation;
 
          (ii) all Liens and Indebtedness of such Unrestricted Group Member
     outstanding immediately following such Revocation would, if Incurred at
     such time, have been permitted to be Incurred for all purposes of the
     Indenture; and
 
          (iii) if such Subsidiary is a Subsidiary of Hermes Europe,
     simultaneously with such Revocation, Hermes Europe shall make a similar
     revocation with respect to such Subsidiary in accordance with the terms of
     the Hermes Europe Senior Notes Indenture.
 
     All Designations and Revocations must be evidenced by resolutions of the
Board of Directors of the Company, delivered to the Trustee certifying
compliance with the foregoing provisions.
 
     Limitation on Liens.  The Company shall not, and shall not cause or permit
any Restricted Group Member to, directly or indirectly, Incur or suffer to exist
any Lien (other than any Permitted Lien) of any kind against or upon any of
their respective properties or assets now owned or hereafter acquired, or any
proceeds, income or profits therefrom, unless contemporaneously therewith or
prior thereto, (i) in the case of any Lien securing an obligation that ranks
pari passu with the Notes, effective provision is made to secure the Notes
equally and ratably with or prior to such obligation with a Lien on the same
collateral and (ii) in the case of any Lien securing an obligation that is
subordinated in right of payment to the Notes, effective provision is made to
secure the Notes with a Lien on the same collateral that is prior to the Lien
securing such subordinated obligation, in each case, for so long as such
obligation is secured by such Lien.
 
     Limitation on Asset Sales.  The Company shall not, and shall not cause or
permit any Restricted Group Member to, directly or indirectly, make any Asset
Sale, unless (x) the Company or such Restricted Group Member, as the case may
be, receives consideration at the time of such Asset Sale at least equal to the
Fair Market Value of the assets sold or otherwise disposed of and (y) at least
75% of such consideration consists of (i) cash or Cash Equivalents, (ii)
Replacement Assets, (iii) publicly traded Equity Interests of a Person;
provided, however, that the Company or such Restricted Group Member shall sell
(a "Monetization Sale"), for cash or Cash Equivalents, such Equity Interests to
a third Person (other than to the Company or a Restricted Group Member) at a
price not less than the Fair Market Value thereof within 425 days of the
consummation of such Asset Sale, or (iv) any combination of the foregoing
clauses (i) through (iii). The amount of any (x) Indebtedness (other than any
Subordinated Indebtedness) of the Company or any Restricted Group Member that is
actually assumed by the transferee in such Asset Sale and from which the Company
and the Restricted Group Members are fully released shall be deemed to be cash
for purposes of determining the percentage of cash consideration received by the
Company or such Restricted Group Member and (y) notes or other similar
obligations received by the Company or any Restricted Group Member from such
transferee that are converted, sold or exchanged within 365 days of the related
Asset Sale by the Company or any Restricted Group Member into cash shall be
deemed to be cash, in an amount equal to the net cash proceeds realized upon
such conversion, sale or exchange for purposes of determining the percentage of
cash consideration received by the Company or such Restricted Group Member. Any
Net Cash Proceeds from any Asset Sale or any Monetization Sale that are not,
within 425 days of the consummation of such
                                       120
<PAGE>   124
 
Asset Sale or Monetization Sale, (A) invested in Replacement Assets or (B) used
to repay and permanently reduce the commitments under Indebtedness of the
Company or any Restricted Group Member other than Subordinated Indebtedness or
Indebtedness of the Company (other than under the Senior Credit Facility) with a
Weighted Average Life to Maturity or stated final maturity longer than that of
the Notes shall constitute "Excess Proceeds" subject to disposition as provided
below.
 
     Within 40 days after the aggregate amount of Excess Proceeds equals or
exceeds $10.0 million, the Company shall make an Offer to Purchase, from all
Holders, that aggregate principal amount of Notes as can be purchased with the
Note Portion of Excess Proceeds (as defined below) at a price in cash equal to
100% of the outstanding principal amount thereof, plus accrued and unpaid
interest, if any, to any purchase date. To the extent that the aggregate of the
principal and accrued interest of Notes validly tendered and not withdrawn
pursuant to an Offer to Purchase is less than the Excess Proceeds, the Company
may use such surplus for general corporate purposes. If the aggregate of the
principal and accrued interest of Notes validly tendered and not withdrawn by
Holders thereof exceeds the amount of Notes that can be purchased with the Note
Portion of Excess Proceeds, Notes to be purchased will be selected pro rata
based on the aggregate principal amount of Notes tendered by each Holder. Upon
completion of an Offer to Purchase, the amount of Excess Proceeds shall be reset
to zero.
 
     In the event that any other Indebtedness of the Company that ranks pari
passu with the Notes (the "Other Debt") requires an offer to purchase to be made
to repurchase such Other Debt upon the consummation of an Asset Sale, the
Company may apply the Excess Proceeds otherwise required to be applied to an
Offer to Purchase to offer to purchase such Other Debt and to an Offer to
Purchase so long as the amount of such Excess Proceeds applied to purchase the
Notes is not less than the Note Portion of Excess Proceeds. With respect to any
Excess Proceeds, the Company shall make the Offer to Purchase in respect thereof
at the same time as the analogous offer to purchase is made pursuant to any
Other Debt and the Purchase Date in respect thereof shall be the same as the
purchase date in respect thereof pursuant to any Other Debt.
 
     For purposes of this covenant, "Note Portion of Excess Proceeds" means (1)
if no Other Debt is being offered to be purchased, the amount of the Excess
Proceeds and (2) if Other Debt is being offered to be purchased, the amount of
the Excess Proceeds equal to the product of (x) the Excess Proceeds and (y) a
fraction the numerator of which is the aggregate amount of all Notes tendered
pursuant to the Offer to Purchase related to such Excess Proceeds (the "Note
Amount") and the denominator of which is the sum of the Note Amount and the
aggregate amount as of the relevant purchase date of all Other Debt tendered and
purchased pursuant to a concurrent offer to purchase such Other Debt made at the
time of such Offer to Purchase.
 
     If and to the extent that the Excess Proceeds from any Asset Sale of any
Restricted Group Member cannot at such time be paid as a dividend to the Company
by virtue of the Hermes Europe Senior Note Indenture as in effect on the issue
date, such Excess Proceeds shall not be deemed to constitute Excess Proceeds
until such time as and to the extent that such Excess Proceeds are permitted to
be paid as a dividend thereunder.
 
     Notwithstanding the foregoing, to the extent that any or all of the Net
Cash Proceeds of any Asset Sale of assets based outside the United States are
prohibited or delayed by applicable local law from being repatriated to the
United States and such Net Cash Proceeds are not actually applied in accordance
with the foregoing paragraphs, the Company shall not be required to apply the
portion of such Net Cash Proceeds so affected but may permit the applicable
Restricted Group Members to retain such portion of the Net Cash Proceeds so long
as the applicable local law will not permit repatriation to the United States
(the Company hereby agreeing to cause the applicable Restricted Group Member to
promptly take all actions required by the applicable local law to permit such
repatriation) and once such repatriation of any such affected Net Cash Proceeds
is permitted under the applicable local law, such repatriation will be
immediately effected and such repatriated Net Cash Proceeds will be applied in
the manner set forth in this covenant as if the Asset Sale had occurred on such
date; provided, however, that to the extent that the Company has determined in
good faith that repatriation of any or all of the Net Cash Proceeds of such
Asset Sale would have a material adverse tax cost
 
                                       121
<PAGE>   125
 
consequence, the Net Cash Proceeds so affected may be retained by the applicable
Restricted Group Member for so long as such material adverse tax cost event
would continue.
 
     In the event that the Company makes an Offer to Purchase the Notes, the
Company shall comply with any applicable securities laws and regulations,
including any applicable requirements of Section 14(e) of, and Rule 14e-1 under,
the Exchange Act, and any violation of the provisions of the Indenture relating
to such Offer to Purchase occurring as a result of such compliance shall not be
deemed a Default or an Event of Default.
 
     Limitation on Transactions with Affiliates.  The Company shall not, and
shall not cause or permit any Restricted Group Member to, directly or
indirectly, conduct any business or enter into any transaction or series of
related transactions with or for the benefit of any Affiliate, any holder of 5%
or more of any class of Equity Interests of the Company or any Restricted Group
Member or any officer, director or employee of the Company or any Restricted
Group Member (each, an "Affiliate Transaction"), unless such Affiliate
Transaction is on terms that are no less favorable to the Company or such
Restricted Group Member, as the case may be, than could reasonably be obtained
at such time in a comparable transaction with an unaffiliated third party. For
any such transaction that involves value in excess of $5.0 million, the Company
shall deliver to the Trustee an officers' certificate stating that a majority of
the Disinterested Directors has determined that the transaction satisfies the
above criteria and shall evidence such a determination by a Board Resolution
delivered to the Trustee. For any such transaction that involves value in excess
of $20.0 million, the Company shall also obtain a written opinion from an
Independent Financial Advisor to the effect that such transaction is fair, from
a financial point of view, to the Company or such Restricted Group Member, as
the case may be.
 
     Notwithstanding the foregoing, the restrictions set forth in this covenant
shall not apply to (i) transactions between or among the Company and one or more
Restricted Group Members or between or among Restricted Group Members; (ii)
customary directors' fees, indemnification and similar arrangements, employee
salaries, bonuses or employment agreements, compensation or employee benefit
arrangements and incentive arrangements with any officer, director or employee
of the Company or any Restricted Group Member entered into in the ordinary
course of business (including customary benefits thereunder); (iii) transactions
pursuant to agreements in effect on the Issue Date, as such agreements are in
effect on the Issue Date or as thereafter amended or supplemented in a manner
not adverse to the Holders; (iv) loans and advances to officers, directors and
employees of the Company or any Restricted Group Member for travel,
entertainment, housing, moving and other relocation expenses, in each case made
in the ordinary course of business and consistent with past business practices;
(v) any transaction between the Company or any Restricted Group Member, on the
one hand, and any Affiliate of the Company or any Restricted Group Member
engaged primarily in a Telecommunications Business, on the other hand, (x) in
the ordinary course of business and consistent with commercially reasonable
practices or (y) approved by a majority of the Disinterested Directors; and (vi)
payment of dividends in respect of Equity Interests of the Company or any
Restricted Group Member permitted under "-- Limitation on Restricted Payments"
above; and (vii) any transaction or series of related transactions involving
consideration or payments of less than $25,000.
 
     Limitation on Issuances of Guarantees by Restricted Group Members.  The
Company shall not cause or permit any Restricted Group Member, directly or
indirectly, to guarantee any Indebtedness of the Company ("Guaranteed
Indebtedness") (other than any guarantee of the Senior Credit Facility), unless
(i) such Restricted Group Member simultaneously executes and delivers a
supplemental indenture to the Indenture pursuant to which such Restricted Group
Member guarantees (a "Guarantee") all of the Company's obligations under the
Notes and the Indenture and (ii) such Restricted Group Member waives, and will
not in any manner whatsoever claim or take the benefit or advantage of, any
rights of reimbursement, indemnity or subrogation or any other rights against
the Company or any other Restricted Group Member as a result of any payment by
such Restricted Group Member under its Guarantee. If the Guaranteed Indebtedness
is (A) pari passu with the Notes, then the guarantee of such Guaranteed
Indebtedness shall be pari passu with, or subordinated to, the Guarantee or (B)
subordinated to the Notes, then the guarantee of such Guaranteed Indebtedness
shall be subordinated to the Guarantee at least to the extent that the
Guaranteed Indebtedness is subordinated to the Notes.
 
                                       122
<PAGE>   126
 
     Any Guarantee by a Restricted Group Member shall provide by its terms that
it shall be automatically and unconditionally released and discharged upon (i)
any sale, exchange or transfer, to any Person not an Affiliate of the Company,
of all of the Equity Interests of the Company or any Restricted Group Member in,
or all or substantially all the assets of, such Restricted Group Member (which
sale, exchange or transfer is made in accordance with the Indenture) or (ii) the
release or discharge of the guarantee which resulted in the creation of such
Guarantee, except a discharge or release by or as a result of payment under such
guarantee.
 
     Limitation on the Issuance and Sale of Equity Interests of Restricted Group
Members.  The Company shall not sell, and shall not cause or permit any
Restricted Group Member, directly or indirectly, to issue or sell, any Equity
Interests of any Restricted Group Member, except (i) to the Company or a
Restricted Group Member; (ii) issuances of director's qualifying shares or sales
to foreign nationals of shares of Equity Interests of a foreign Restricted Group
Member, to the extent required by applicable law; (iii) if, immediately after
giving effect to such issuance or sale, such Restricted Group Member would no
longer constitute a Restricted Group Member; provided, however, any investment
in such Person remaining after giving effect to such issuance or sale would have
been permitted to be made under "-- Limitation on Restricted Payments" above, if
made on the date of such issuance or sale; (iv) issuances or other sales of
common stock (including options, warrants or other rights to purchase common
stock) of a Restricted Group Member; provided, however, the Net Cash Proceeds,
if any, of such sale are applied in accordance with "-- Limitation on Asset
Sales" above; (v) issuances of common stock for cash (including options,
warrants or other rights to purchase common stock) of a Restricted Group Member;
provided, however, that the per share price to the investor of each share of
common stock sold in such issuance shall not be less than the book value per
share of such Restricted Group Member's common stock prior to such issuance
(after adjusting for the effect of such issuance);(vi) issuances of Equity
Interests pursuant to employee stock option plans created in the ordinary course
of business on ordinary business terms; and (vii) issuances of Equity Interests
by any Restricted Group Member in a transaction in which the Company acquires at
the same time sufficient Equity Interests of such Restricted Group Member to at
least maintain the same percentage ownership interest it had prior to such
transaction.
 
     Limitations on Lines of Business.  The Company shall not, and shall not
cause or permit any Restricted Group Members to, directly or indirectly engage
to any substantial extent in any line or lines of business other than a Related
Business.
 
     Merger, Sale of Assets, etc.  The Company shall not consolidate with or
merge with or into (whether or not the Company is the Surviving Person) any
other Person and the Company shall not, and shall not cause or permit any
Restricted Group Member to, sell, convey, assign, transfer, lease or otherwise
dispose of all or substantially all of the property and assets of the Company
and the Restricted Group Members, taken as a whole, to any Person or Persons
(other than any Wholly Owned Restricted Subsidiary), in each case, in a single
transaction or series of related transactions, unless: (i) either (x) the
Company shall be the Surviving Person or (y) the Surviving Person (if other than
the Company) shall be a corporation organized and validly existing under the
laws of Bermuda, the British Virgin Islands, Netherlands Antilles, Canada, any
country which is a member of the European Union or the United States of America
or any State thereof or the District of Columbia, and shall, in any such case,
expressly assume by a supplemental indenture, the due and punctual payment of
the principal of and interest on the Notes and the performance and observance of
every covenant of the Indenture and the Escrow Agreement to be performed or
observed on the part of the Company; (ii) immediately after giving effect to
such transaction, no Default or Event of Default shall have occurred and be
continuing; and (iii) other than in the case of sale, conveyance, assignment,
transfer, lease or other disposition of all or substantially all of the property
and assets of the Company and the Restricted Group Members to any Restricted
Subsidiary, immediately after giving effect to such transaction, the Debt to
Annualized Operating Cash Flow Ratio of the Surviving Person (as the Company)
would be less than the Debt to Annualized Operating Cash Flow Ratio of the
Company immediately prior to such transaction.
 
     For purposes of the foregoing, the transfer (by lease, assignment, sale or
otherwise, in a single transaction or series of transactions) of all or
substantially all the properties and assets of one or more Restricted Group
Members the Equity Interests of which constitutes all or substantially all the
properties and assets of the
 
                                       123
<PAGE>   127
 
Company shall be deemed to be the transfer of all or substantially all the
properties and assets of the Company.
 
     In the event of any transaction (other than a lease) described in and
complying with the conditions listed in the first paragraph of this covenant in
which the Company is not the Surviving Person and the Surviving Person is to
assume all the Obligations of the Company under the Notes, the Indenture and the
Escrow Agreement pursuant to a supplemental indenture, such Surviving Person
shall succeed to, and be substituted for, and may exercise every right and power
of, the Company, and the Company shall be discharged from its Obligations under
the Notes, the Indenture and the Escrow Agreement.
 
     Provision of Financial Information.  Whether or not the Company is subject
to Section 13(a) or 15(d) of the Exchange Act, or any successor provision
thereto, the Company shall file with the SEC (if permitted by SEC practice and
applicable law and regulations) the annual reports, quarterly reports and other
documents which the Company would have been required to file with the SEC
pursuant to such Section 13(a) or 15(d) or any successor provision thereto if
the Company were so required, such documents to be filed with the SEC on or
prior to the respective dates (the "Required Filing Dates") by which the Company
would have been required so to file such documents if the Company were so
required. The Company shall also in any event (a) within 15 days of each
Required Filing Date (whether or not permitted or required to be filed with the
SEC) (i) transmit (or cause to be transmitted) by mail to all Holders, as their
names and addresses appear in the Note register, without cost to such Holders,
and (ii) file with the Trustee, copies of the annual reports, quarterly reports
and other documents which the Company is required to file with the SEC pursuant
to the preceding sentence, or, if such filing is not so permitted, information
and data of a similar nature, and (b) if, notwithstanding the preceding
sentence, filing such documents by the Company with the SEC is not permitted by
SEC practice or applicable law or regulations, promptly upon written request
supply copies of such documents to any Holder.
 
EVENTS OF DEFAULT
 
     The occurrence of any of the following will be defined as an "Event of
Default" under the Indenture: (a) failure to pay principal of any Note when due;
(b) failure to pay any interest on any Note when due, continued for 30 days or
more; (c) failure to pay on the Purchase Date the Purchase Price for any Note
validly tendered pursuant to any Offer to Purchase; (d) failure to perform or
comply with any of the provisions described under "-- Certain
Covenants -- Merger, Sale of Assets, etc." above; (e) failure to perform any
other covenant, warranty or agreement of the Company under the Indenture or the
Escrow Agreement or in the Notes continued for 30 days or more after written
notice to the Company by the Trustee or Holders of at least 25% in aggregate
principal amount of the outstanding Notes; provided, however, that a default or
breach of a covenant or agreement arising from a Restricted Affiliate ceasing to
observe any covenant applicable to it resulting from an Involuntary Event shall
not constitute an Event of Default unless such Involuntary Event continues for
90 days; (f) there shall be, with respect to any issue or issues of Indebtedness
of the Company or any Significant Restricted Group Member having an outstanding
principal amount of $10.0 million or more in the aggregate for all such issues
of all such Persons, whether such Indebtedness now exists or shall hereafter be
created, (x) an event of default that has caused the holders thereof (or their
representative) (I) to declare such Indebtedness to be due and payable prior to
its scheduled maturity and such Indebtedness has not been discharged in full or
such acceleration has not been rescinded or annulled within 45 days following
such acceleration and/or (II) to commence judicial proceedings to foreclose
upon, or to exercise remedies under applicable law or applicable security
documents to take ownership of, the property or assets securing such
Indebtedness and/or (y) the failure to make a principal payment at the final
fixed maturity and such defaulted payment shall not have been made, waived or
extended within 45 days of such payment default; (g) the rendering of a final
judgment or judgments (not covered by insurance) against the Company or any
Significant Restricted Group Member in an amount of $10.0 million or more which
remains undischarged or unstayed for a period of 60 consecutive days; (h)
certain events of bankruptcy, insolvency or reorganization affecting the Company
or any Significant Restricted Group Member; or (i) the Company shall challenge
the Lien on the Escrow Collateral under the Escrow Agreement prior to such time
as the Escrow Collateral is to be released to
 
                                       124
<PAGE>   128
 
the Company, or the Trustee (on behalf of the Holders) shall fail to have a
first priority perfected security interest in Escrow Collateral.
 
     If an Event of Default with respect to the Notes (other than an Event of
Default with respect to the Company described in clause (h) of the preceding
paragraph) occurs and is continuing, the Trustee or the Holders of at least 25%
in aggregate principal amount at maturity of the outstanding Notes by notice in
writing to the Company may declare the unpaid principal of (and premium, if any)
and accrued interest to the date of acceleration on all the outstanding Notes to
be due and payable immediately and, upon any such declaration, such principal
amount (and premium, if any) and accrued interest, notwithstanding anything
contained in the Indenture or the Notes to the contrary, will become immediately
due and payable; provided, however, that after such acceleration, but before a
judgment or decree based on acceleration, the Holders of a majority in aggregate
principal amount of outstanding Notes may, under certain circumstances, rescind
and annul such acceleration if all Events of Default, other than the nonpayment
of accelerated principal, have been cured or waived as provided in the
Indenture. If an Event or Default specified in clause (h) of the preceding
paragraph with respect to the Company occurs under the Indenture, the Notes will
ipso facto become immediately due and payable without any declaration or other
act on the part of the Trustee or any Holder.
 
     The Indenture provides that the Trustee shall, within 30 days after the
occurrence of any Default or Event of Default with respect to the Notes, give
the Holders notice of all uncured Defaults thereunder known to it; provided,
however, that, except in the case of an Event of Default in payment with respect
to the Notes or a Default or Event of Default in complying with "-- Certain
Covenants --Merger, Sale of Assets, etc." above, the Trustee shall be protected
in withholding such notice if and so long as a committee of its trust officers
in good faith determines that the withholding of such notice is in the interest
of the Holders.
 
     No Holder will have any right to institute any proceeding with respect to
the Indenture or for any remedy thereunder, unless the Trustee (i) shall have
failed to act for a period of 60 days after receiving written notice of a
continuing Event of Default by such Holder and a request to act by Holders of at
least 25% in aggregate principal amount at maturity of Notes outstanding, (ii)
shall have been offered indemnity reasonably satisfactory to it and (iii) shall
not have received from the Holders of a majority in aggregate principal amount
at maturity of the outstanding Notes a direction inconsistent with such request.
However, such limitations do not apply to a suit instituted by a Holder of any
Note for enforcement of payment of the principal of or interest on such Note on
or after the due date therefor (after giving effect to the grace period
specified in clause (b) of the first paragraph of this "-- Events of Default"
section).
 
     The Company will be required to furnish to the Trustee after the end of
each fiscal year a statement as to the performance by it of certain of its
obligations under the Indenture and as to any default in such performance.
 
NO PERSONAL LIABILITY OF DIRECTORS, OFFICERS, EMPLOYEES, INCORPORATOR AND
STOCKHOLDERS
 
     No director, officer, employee, incorporator or stockholder of the Company
or any of its Affiliates, as such, shall have any liability for any obligations
of the Company or any of its Affiliates under the Notes or the Indenture or for
any claim based on, in respect of or by reason of, such obligations or their
creation. Each Holder by accepting a Note waives and releases all such
liability. The waiver and release are part of the consideration for issuance of
the Notes.
 
SATISFACTION AND DISCHARGE OF INDENTURE; DEFEASANCE
 
     The Company may terminate its substantive obligations in respect of the
Notes by delivering all outstanding Notes to the Trustee for cancellation and
paying all sums payable by it on account of principal of, premium, if any, and
interest on all Notes or otherwise. In addition to the foregoing, the Company
may terminate the applicability of the covenants under "-- Certain Covenants"
and "-- Change of Control" above or any Event of Default under clause (e) of
"-- Events of Default" above by (i) depositing with the Trustee, under the terms
of an irrevocable trust agreement, money or U.S. Government Obligations
sufficient (without reinvestment) to pay all remaining indebtedness on such
Notes at maturity or upon earlier redemption; (ii) delivering to the Trustee
either an opinion of counsel or a ruling directed to the Trustee from the
Internal
                                       125
<PAGE>   129
 
Revenue Service to the effect that the Holders of the Notes will not recognize
income, gain or loss for federal income tax purposes as a result of such deposit
and termination of obligations; and (iii) complying with certain other
requirements set forth in the Indenture. In addition, the Company may, provided
that no Default or Event of Default has occurred and is continuing or would
arise therefrom (or, with respect to a Default specified in clause (h) of
"-- Events of Default" above occurs at any time on or prior to the 91st calendar
day after the date of the deposit (it being understood that this condition shall
not be deemed satisfied until after such 91st day)) under the Indenture,
terminate all of its substantive obligations in respect of the Notes (including
its obligations to pay the principal of and interest on such Notes) by (1)
depositing with the Trustee, under the terms of an irrevocable trust agreement,
money or U.S. Government Obligations sufficient (without reinvestment) to pay
all remaining Indebtedness on such Notes at maturity or upon earlier redemption;
(2) delivering to the Trustee either a ruling directed to the Trustee from the
Internal Revenue Service to the effect that the Holders of such Notes will not
recognize income, gain or loss for federal income tax purposes as a result of
such deposit and termination of obligations or an opinion of counsel addressed
to the Trustee based upon such a ruling or based on a change in the applicable
federal tax law since the date of the Indenture, to such effect; and (3)
complying with certain other requirements set forth in the Indenture.
 
MODIFICATION AND WAIVER
 
     Modifications and amendments of the Indenture may be made by the Company
and the Trustee with the consent of the Holders of a majority in aggregate
principal amount of the Notes (including consents obtained in connection with a
tender offer or exchange offer for such Notes); provided, however, that no such
modification or amendment to the Indenture may, without the consent of the
Holder of each Note affected thereby, (a) change the maturity of the principal
of any such Note; (b) alter the optional redemption or repurchase provisions of
any such Note or the Indenture in a manner adverse to the Holders of such Notes;
(c) reduce the principal amount (or premium) of any such Note; (d) reduce the
rate of or extend the time for payment of interest on any such Note; (e) change
the place or currency of payment of principal of (or premium) or interest on any
such Note; (f) modify any provisions of the Indenture relating to the waiver of
past defaults (other than to add sections of the Indenture or the Notes subject
thereto) or the right of the Holders of Notes to institute suit for the
enforcement of any payment on or with respect to any such Note in respect
thereof or the modification and amendment provisions of the Indenture and such
Notes (other than to add sections of the Indenture or such Notes which may not
be amended, supplemented or waived without the consent of each Holder therein
affected); (g) reduce the percentage of the principal amount of outstanding
Notes necessary for amendment to or waiver of compliance with any provision of
the Indenture or the Notes or for waiver of any Default in respect thereof; (h)
waive a default in the payment of principal of, interest on, or redemption
payment with respect to, such Note (except a rescission of acceleration of the
relevant Notes by the Holders thereof as provided in the Indenture and a waiver
of the payment default that resulted from such acceleration); (i) modify the
ranking or priority of any such Note; (j) modify the provisions of any covenant
(or the related definitions) in the Indenture requiring the Company to make an
Offer to Purchase in a manner materially adverse to the Holders of Notes
affected thereby; or (k) modify the provisions of the Escrow Agreement or the
Indenture relating to the Escrow Collateral in any manner adverse to the Holders
or release any of the Escrow Collateral from the Lien under the Escrow Agreement
or permit any other obligation to be secured by the Escrow Collateral.
 
     The Holders of a majority in aggregate principal amount of the outstanding
Notes, on behalf of all Holders, may waive compliance by the Company with
certain restrictive provisions of the Indenture. Subject to certain rights of
the Trustee as provided in the Indenture, the Holders of a majority in aggregate
principal amount of the Notes, on behalf of all Holders, may waive any past
default under the Indenture (including any such waiver obtained in connection
with a tender offer or exchange offer for such Notes), except a default in the
payment of principal, premium or interest or a default arising from failure to
purchase any Notes tendered pursuant to an Offer to Purchase pursuant thereto,
or a default in respect of a provision that under the Indenture cannot be
modified or amended without the consent of the Holder of each Note that is
affected.
 
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<PAGE>   130
 
GOVERNING LAW
 
     The Indenture and the Notes will be governed by the laws of the State of
New York.
 
THE TRUSTEE
 
     Except during the continuance of a Default, the Trustee will perform only
such duties as are specifically set forth in the Indenture. During the existence
of a Default under the Indenture, the Trustee will exercise such rights and
powers vested in it under the Indenture and use the same degree of care and
skill in its exercise as a prudent person would exercise under the circumstances
in the conduct of such person's own affairs.
 
     The Indenture and provisions of the Trust Indenture Act incorporated by
reference therein contain limitations on the rights of the Trustee, should it
become a creditor of the Company or any other obligor upon the Notes, to obtain
payment of claims in certain cases or to realize on certain property received by
it in respect of any such claim as the Notes or otherwise. The Trustee is
permitted to engage in other transactions with the Company or an Affiliate of
the Company; provided, however, that if it acquires any conflicting interest (as
defined in the Indenture or in the Trust Indenture Act), it must eliminate such
conflict or resign.
 
GLOBAL SECURITIES
 
     Upon issuance, all Notes will be represented by one or more global
securities (each, a "Global Security"). Each Global Security will be deposited
with, or on behalf of, the Depositary and registered in the name of a nominee of
the Depositary. Notes will not be exchangeable for certificated notes; provided
that (i) if the Depositary is at any time unwilling or unable to continue as
Depositary and a successor depositary is not appointed by the Company within 90
days or (ii) if an Event of Default has occurred and is continuing with respect
to the Notes and holders of more than 25% in aggregate principal amount of the
Notes at the time outstanding represented by the Global Note advise the Trustee
that the continuation of a book-entry system through the Depositary (or a
successor thereto) with respect to the Notes is no longer required, the Company
will issue certificated notes in exchange for the Global Security representing
the Notes.
 
     Upon the issuance of a Global Security, the Depositary will credit, on its
book-entry registration and transfer system, the respective principal amounts of
the Notes represented by the Global Security to the accounts of institutions
that have accounts with the Depositary ("Participants"). The accounts to be
credited shall be designated by the Underwriters. Ownership of beneficial
interests in a Global Security will be limited to Participants or Persons that
may hold interests through Participants. Ownership of beneficial interests in a
Global Security will be shown on, and the transfer of that ownership will be
effected only through, records maintained by the Depositary with respect to
Participants' interests or by the Participants or by Persons that hold through
Participants with respect to beneficial owners' interests. The laws of some
states require that certain purchasers of securities take physical delivery of
such securities in definitive form. Such ownership limits and such laws may
impair the ability to transfer beneficial interests in a Global Security.
 
     Principal and interest payments on Notes registered in the name of the
Depositary or its nominee will be made to the Depositary or its nominee, as the
case may be, as the registered owner of the Global Security representing the
Notes. The Company also expects that the Depositary, upon receipt of any payment
of principal or interest in respect of a Global Security, will immediately
credit Participants' accounts with payments in amounts proportionate to their
respective beneficial interests in the principal amount of such Global Security
as shown on the records of the Depositary. The Company also expects that
payments by Participants to owners of beneficial interests in a Global Security
held through such Participants will be governed by standing instructions and
customary practices, as is now the case with securities held for the accounts of
customers in bearer form or registered in "street name," and will be the
responsibility of such Participants. None of the Company, the Trustee, any
paying agent or any registrar for the Notes will have any responsibility or
liability for any aspect of the records relating to or payments made on account
of beneficial ownership interests in a Global Security or for maintaining,
supervising or reviewing any records relating to such beneficial ownership
interests.
 
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<PAGE>   131
 
     The Depository Trust Company, New York, New York, will be the initial
depositary with respect to the Notes. DTC has advised the Company that it is a
limited-purpose trust company organized under the laws of the State of New York,
a member of the Federal Reserve System, a "clearing corporation" within the
meaning of the Uniform Commercial Code and a "clearing agency" registered
pursuant to the provisions of Section 17A of the Securities Exchange Act of
1934. DTC was created to hold securities of its Participants and to facilitate
the clearance and settlement of securities transactions among its Participants
in such securities through electronic book-entry changes in accounts of the
Participants, thereby eliminating the need for physical movement of securities
certificates. DTC's Participants include securities brokers and dealers
(including the Underwriters), banks, trust companies, clearing corporations and
certain other organizations, some of whom (and/or their representatives) own
DTC. Access to DTC's book-entry system is also available to others, such as
banks, brokers, dealers and trust companies that clear through or maintain a
custodial relationship with a Participant, either directly or indirectly.
Persons who are not Participants may beneficially own securities held by DTC
only through Participants.
 
LIMITATIONS ON RIGHTS OF BENEFICIAL OWNERS
 
     As long as the Depositary, or its nominee, is the holder of a Global
Security, the Depositary or its nominee, as the case may be, will be considered
the sole owner or holder of the Notes represented by such Global Security for
all purposes under the Indenture or such Global Security. Except as set forth
above, owners of beneficial interests in a Global Security will not be entitled
to have Notes represented by such Global Security registered in their names,
will not receive or be entitled to receive physical delivery of Notes in
definitive form and will not be considered the owners or holders thereof under
the Indenture or under such Global Security. Accordingly, each Person owning a
beneficial interest in such Global Security must rely on the procedures of the
Depositary and, if such Person is not a Participant, on the procedures of the
Participant through which such Person directly or indirectly owns its interest,
to exercise any rights of a holder under the Indenture or such Global Security.
 
     DTC has informed the Company that under existing DTC policies and industry
practices, if the Company requests any action of holders, or if any owner of a
beneficial interest in such Global Security desires to give any notice or take
any action that a holder is entitled to give or take under the Indenture or the
relevant Global Security. DTC would authorize and cooperate with each
Participant to whose account any portion of the Notes represented by such Global
Security is credited on DTC's books and records to give such notice or take such
action. Any person owning a beneficial interest in such Global Security that is
not a Participant must rely on any contractual arrangements it has directly, or
indirectly through its immediate financial intermediary, with a Participant to
give such notice or take such action.
 
CERTAIN DEFINITIONS
 
     Set forth below are certain defined terms used in the Indenture. Reference
is made to the Indenture for a full disclosure of all such terms, as well as any
other capitalized terms used herein for which no definition is provided.
 
     "Acquired Indebtedness" means Indebtedness of a Person (a) assumed in
connection with an Acquisition from such Person or (b) existing at the time such
Person succeeds to the obligations of the Company pursuant to "-- Certain
Covenants -- Merger, Sale of Assets, etc." above or existing at the time such
Person becomes a Restricted Group Member or is merged or consolidated with or
into the Company or any Restricted Group Member; provided, however, that the
amount of any Indebtedness of such Person which is redeemed, defeased, retired
or otherwise repaid at the time of or immediately upon consummation of the
transactions by which such Person becomes a Restricted Group Member or is merged
or consolidated with or into the Company or any Restricted Group Member, or such
Acquisition shall not be Acquired Indebtedness.
 
     "Acquired Person" means, with respect to any specified Person, any other
Person which merges with or into or becomes a Subsidiary of such specified
Person.
 
     "Acquisition" means (i) any capital contribution (by means of transfers of
cash or other property to others or payments for property or services for the
account or use of others, or otherwise) by the Company or
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<PAGE>   132
 
any Restricted Group Member to any other Person, or any acquisition or purchase
of Equity Interests of any other Person by the Company or any Restricted Group
Member, in either case pursuant to which such Person shall become a Restricted
Group Member or shall be consolidated, merged with or into the Company or any
Restricted Group Member or (ii) any acquisition by the Company or any Restricted
Group Member of the assets of any Person which constitute substantially all of
an operating unit or line of business of such Person or which is otherwise
outside of the ordinary course of business.
 
     "Adjusted Income Tax Expense" means, with respect to any period, (without
duplication) the provision for federal, state, local and foreign income taxes
payable by the Company and the Restricted Group Members for such period as
determined in accordance with GAAP, excluding, however, with respect to any
Restricted Group Member, that proportion thereof that corresponds to the
percentage ownership interest in the outstanding Equity Interests of such
Restricted Group Member not owned on the last day of such period, directly or
indirectly, by the Company.
 
     "Adjusted Interest Expense" means, with respect to any period, without
duplication, the sum of (i) the interest expense of the Company and the
Restricted Group Members for such period as determined in accordance with GAAP,
including, without limitation, (a) any amortization of debt discount, (b) the
net cost under Interest Rate Protection Obligations (including any amortization
of discounts), (c) the interest portion of any deferred payment obligation, (d)
all commissions, discounts and other fees and charges owed with respect to
letters of credit and bankers' acceptance financing and (e) all capitalized
interest and all accrued interest, (ii) the interest component of Capital Lease
Obligations paid, accrued and/or scheduled to be paid or accrued by the Company
and the Restricted Group Members during such period as determined in accordance
with GAAP and (iii) dividends and distributions in respect of Disqualified
Equity Interests actually paid in cash by the Company or any Restricted Group
Member (other than to the Company or another Restricted Group Member) during
such period as determined in accordance with GAAP, excluding, however, with
respect to any Restricted Group Member, that proportion thereof that corresponds
to the percentage ownership interest in the outstanding Equity Interests of such
Restricted Group Member not owned on the last day of such period, directly or
indirectly, by the Company.
 
     "Adjusted Net Income" means, with respect to any period, the net income of
the Company and the Restricted Group Members for such period determined in
accordance with GAAP, adjusted, to the extent included in calculating such net
income, by excluding, without duplication, (a) all extraordinary gains or losses
for such period, (b) all gains or losses from the sales or other dispositions of
assets out of the ordinary course of business (net of taxes, fees and expenses
relating to the transaction giving rise thereto) for such period; (c) that
portion of such net income derived from or in respect of investments in Persons
other than Restricted Group Members, except to the extent actually received in
cash by the Company or any Restricted Group Member (subject, in the case of any
Restricted Group Member, to the provisions of clause (f) of this definition);
(d) the portion of such net income (or loss) allocable to minority interests in
any Person (other than a Restricted Group Member) for such period, except to the
extent the Company's allocable portion of such Person's net income for such
period is actually received in cash by the Company or any Restricted Group
Member (subject, in the case of any Restricted Group Member, to the provisions
of clause (f) of this definition); (e) for purposes of calculating the Basket,
the net income (or loss) of any other Person combined with the Company or any
Restricted Group Member on a "pooling of interests" basis attributable to any
period prior to the date of combination; (f) the net income of any Restricted
Group Member to the extent that the declaration or payment of dividends or
similar distributions by that Restricted Group Member of that income is not at
the time (regardless of any waiver) permitted, directly or indirectly, by
operation of the terms of its charter or any agreement, instrument, judgment,
decree, order, statute, rule or governmental regulations applicable to that
Restricted Group Member or its Equity Interest holders; provided, however, that
with respect to any restriction on the declaration or payment of dividends or
similar distribution in place on the Issue Date pursuant to any agreement in
effect on the Issue Date (or any amendment or modification thereto no more
restrictive than that in effect on the Issue Date), so long as such restriction
on the declaration or payment of dividends or similar distributions is no less
favorable to the Holders than the restrictions contained in the Hermes Europe
Senior Notes Indenture as in effect on the Issue Date, this clause (f) shall
apply solely for purposes of determining Cumulative Operating Cash Flow in
connection with a Restricted Payment
 
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<PAGE>   133
 
described in clauses (i), (ii) and (iii) of the first paragraph of "-- Certain
Covenants -- Limitation on Restricted Payments" above; and (g) to the extent not
otherwise excluded in accordance with GAAP, the net income (or loss) of any
Restricted Group Member in an amount that corresponds to the percentage
ownership interest in the income of such Restricted Group Member not owned on
the last day of such period, directly or indirectly, by the Company.
 
     "Adjusted Operating Cash Flow" means, with respect to any period, Adjusted
Net Income for such period increased (without duplication), to the extent
deducted in calculating such Adjusted Net Income, by (a) Adjusted Income Tax
Expense for such period; (b) Adjusted Interest Expense for such period; and (c)
depreciation, amortization and any other non-cash items for such period (other
than any non-cash item which requires the accrual of, or a reserve for, cash
charges for any future period) of the Company and the Restricted Group Members,
including, without limitation, amortization of capitalized debt issuance costs
for such period, all of the foregoing determined in accordance with GAAP minus
non-cash items to the extent they increase Adjusted Net Income (including the
partial or entire reversal of reserves taken in prior periods) for such period.
In calculating Adjusted Operating Cash Flow, for each Restricted Group Member,
the addition to Adjusted Net Income for such Restricted Group Member of the
items set forth in clause (c) of the previous sentence shall exclude that
proportion thereof that corresponds to the percentage ownership interest in the
Outstanding Equity Interests of such Restricted Group Member not owned on the
last day of such period, directly or indirectly, by the Company.
 
     "Adjusted Total Assets" means the total amount of assets of the Company and
its Restricted Group Members, except to the extent resulting from write-ups of
assets (other than write-ups in connection with accounting for acquisitions in
conformity with GAAP), after deducting therefrom (i) all current liabilities of
the Company and its Restricted Group Members; and (ii) all goodwill, trade
names, trademarks, patents, unamortized debt discount and expense and other like
intangibles, all as calculated in conformity with GAAP; provided that Adjusted
Total Assets shall be reduced (to the extent not otherwise reduced in accordance
with GAAP) by an amount equal to the amount of restricted cash of the Company
and its Restricted Group Members, including cash or Cash Equivalents held in the
Escrow Account or the escrow account for the Indebtedness of Hermes Europe
issued under the Hermes Europe Senior Notes Indenture. For purposes of this
Adjusted Total Assets definition, (a) assets shall be calculated less applicable
accumulated depreciation, accumulated amortization and other valuation reserves,
and (b) all calculations shall exclude all intercompany items.
 
     "Adjusted Total Controlled Assets" means the total amount of assets of the
Company and the Restricted Group Members of which the Company, directly or
indirectly, owns greater than 51% of the outstanding Equity Interests, except to
the extent resulting from write-ups of assets (other than write-ups in
connection with accounting for acquisitions in conformity with GAAP), after
deducting therefrom (i) all current liabilities of the Company and such
Restricted Group Members; and (ii) all goodwill, trade names, trademarks,
patents, unamortized debt discount and expense and other like intangibles of the
Company and such Restricted Group Members, all as calculated in conformity with
GAAP; provided that Adjusted Total Controlled Assets shall be reduced (to the
extent not otherwise reduced in accordance with GAAP) by an amount (1) equal to
the amount of restricted cash of the Company and such Restricted Group Members,
including cash or Cash Equivalents held in the Escrow Account or the escrow
account for the Indebtedness of Hermes Europe issued under the Hermes Europe
Senior Notes Indenture and (2) equal to the aggregate amount of all Investments
of the Company or any such Restricted Group Members in any Person (other than
any loans or advances that are evidenced by a validly executed and enforceable
promissory note). For purposes of this Adjusted Total Controlled Assets
definition, (a) assets shall be calculated less applicable accumulated
depreciation, accumulated amortization and other valuation reserves, and (b) all
calculations (other than with respect to the parenthetical clause in clause (2)
above) shall exclude all intercompany items.
 
     "Affiliate" of any specified Person means any other Person directly or
indirectly controlling or controlled by or under direct or indirect common
control with such specified Person. For purposes of this definition,
"control"(including, with correlative meanings, the terms "controlling,"
"controlled by" and "under common control with"), as used with respect to any
Person, shall mean the possession, directly or indirectly, of the
 
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<PAGE>   134
 
power to direct or cause the direction of the management or policies of such
Person whether through the ownership of voting securities, by agreement or
otherwise.
 
     "Affiliate Transaction" has the meaning set forth in "-- Certain
Covenants -- Limitation on Transactions with Affiliates" above.
 
     "Asset Sale" means any direct or indirect sale, conveyance, transfer, lease
(that has the effect of a disposition), or other disposition (including, without
limitation, any merger, consolidation or sale-leaseback transaction) to any
Person other than the Company or a Restricted Group Member, in one transaction
or a series of related transactions, of (i) any Equity Interest of any
Restricted Group Member; (ii) any material license, franchise or other
authorization of the Company or any Restricted Group Member; (iii) any assets of
the Company or any Restricted Group Member which constitute substantially all of
an operating unit or line of business of the Company or any Restricted Group
Member; or (iv) any other property or asset of the Company or any Restricted
Group Member outside of the ordinary course of business (including the receipt
of proceeds paid on account of the loss of or damage to any property or asset
and awards of compensation for any asset taken by condemnation, eminent domain
or similar proceedings). For the purposes of this definition, the term "Asset
Sale" shall not include (a) any transaction consummated in compliance with
"-- Certain Covenants -- Merger, Sale of Assets, etc." above and the creation of
any Lien not prohibited by "-- Certain Covenants -- Limitation on Liens" above;
(b) sales of property or equipment that has become worn out, obsolete or damaged
or otherwise unsuitable for use in connection with the business of the Company
or any Restricted Group Member, as the case may be; (c) the making of any
Permitted Investment; and (d) any transaction consummated in compliance with
"-- Certain Covenants -- Limitation on Restricted Payments" above or "-- Certain
Covenants -- Designation of Unrestricted Group Members" above. In addition,
solely for purposes of "-- Certain Covenants -- Limitation on Asset Sales"
above, any sale, conveyance, transfer, lease or other disposition of any
property or asset, whether in one transaction or a series of related
transactions, with a Fair Market Value not in excess of $1.0 million shall be
deemed not to be an Asset Sale.
 
     "Basket" has the meaning set forth in "-- Certain Covenants -- Limitation
on Restricted Payments" above.
 
     "Board of Directors" means, with respect to any Person, the Board of
Directors of such Person (or comparable governing body), or any authorized
committee of that Board (it being understood that the Board of Directors of the
Company shall be its Board of Supervisory Directors).
 
     "Business Day"  means a day (other than a Saturday or Sunday) on which the
Depository and banks in New York are open for business.
 
     "Capital Lease Obligation"  means, at the time any determination thereof is
to be made, the amount of the liability in respect of a capital lease that would
at such time be so required to be capitalized on the balance sheet in accordance
with GAAP.
 
     "Cash Equivalents"  means: (a) U.S. dollars; (b) securities issued or
directly and fully guaranteed or insured by the U.S. government or any agency or
instrumentality thereof having maturities of not more than six months from the
date of acquisition; provided, however, that securities deposited in the Escrow
Account may have longer maturities; (c) certificates of deposit and eurodollar
time deposits with maturities of six months or less from the date of
acquisition, bankers' acceptances with maturities not exceeding six months and
overnight bank deposits, in each case with any commercial bank having capital
and surplus in excess of $500 million; provided, however, that securities
deposited in the Escrow Account may have longer maturities; (d) repurchase
obligations with a term of not more than seven days for underlying securities of
the types described in clauses (b) and (c) entered into with any financial
institution meeting the qualifications specified in clause (c) above; and (e)
commercial paper rated P-1, A-1 or the equivalent thereof by Moody's Investors
Service, Inc. or Standard & Poor's Ratings Group, respectively, and in each case
maturing within six months after the date of acquisition.
 
     "Change of Control" means the occurrence of any of the following events
(whether or not approved by the Board of Directors of the Company): (a) any
Person or group, other than the Permitted Holders, is or becomes the beneficial
owner, directly or indirectly, of Voting Equity Interests representing 50% or
more of
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<PAGE>   135
 
the total voting power of the Voting Equity Interests of the Company or has the
power, directly or indirectly, to elect a majority of the members of the Board
of Directors of the Company; (b) the Company consolidates with, or merges with
or into, another Person or the Company or one or more Restricted Group Members
sell, assign, convey, transfer, lease or otherwise dispose of all or
substantially all of the assets of the Company and the Restricted Group Members,
taken as a whole, to any Person (other than a Restricted Group Member), or any
Person consolidates with, or merges with or into, the Company, in any such event
other than pursuant to a transaction in which the Person or Persons that
"beneficially owned," directly or indirectly, a majority of the total voting
power of the Voting Equity Interests of the Company immediately prior to such
transaction, "beneficially own," directly or indirectly, Voting Equity Interests
representing a majority of the total voting power of the Voting Equity Interests
of the surviving or transferee Person; (c) during any consecutive two year
period, individuals who at the beginning of such period constituted the Board of
Directors of the Company (together with any new directors whose election by the
Board of Directors of the Company or whose nomination for election by the
stockholders of the Company was approved by a vote of a majority of the
directors then still in office who were either directors at the beginning of
such period or whose election or nomination for election was previously so
approved) cease for any reason (other than by action of the Permitted Holders)
to constitute a majority of the Board of Directors of the Company, then in
office; or (d) there shall occur the liquidation or dissolution of the Company.
For purposes of this definition, (i) "group" has the meaning under Section 13(d)
and 14(d) of the Exchange Act or any successor provision to either of the
foregoing, including any group acting for the purpose of acquiring, holding or
disposing of securities within the meaning of Rule 13d-5(b)(1) under the
Exchange Act, and (ii) "beneficial ownership" has the meaning set forth in Rules
13d-3 and 13d-5 under the Exchange Act, except that a Person shall be deemed to
have "beneficial ownership" of all securities that such Person has the right to
acquire, whether such right is exercisable immediately or only after the passage
of time, upon the happening of an event or otherwise.
 
     "Change of Control Date" has the meaning set forth in "-- Change of
Control" above.
 
     "Cumulative Operating Cash Flow" means, as at any date of determination,
the positive cumulative Adjusted Operating Cash Flow realized during the period
commencing on the Issue Date and ending on the last day of the most recent
fiscal quarter immediately preceding the date of determination for which
consolidated financial information of the Company is available or, if such
cumulative Adjusted Operating Cash Flow for such period is negative, the
negative amount by which cumulative Adjusted Operating Cash Flow is less than
zero.
 
     "Currency Agreement" means any foreign exchange contract, currency swap
agreement or other similar agreement or arrangement, which may include the use
of derivatives, designed to protect the Company or any Restricted Group Member
against fluctuations in currency values.
 
     "Debt to Annualized Operating Cash Flow Ratio" means the ratio of (a) the
Total Indebtedness as of the date of calculation (the "Determination Date") to
(b) two times the Adjusted Operating Cash Flow for the latest two fiscal
quarters for which financial information is available immediately preceding such
Determination Date (the "Measurement Period"). For purposes of calculating
Adjusted Operating Cash Flow for the Measurement Period immediately prior to the
relevant Determination Date, (I) any Person that is a Restricted Group Member on
the Determination Date (or would become a Restricted Group Member on such
Determination Date in connection with the transaction that requires the
determination of such Adjusted Operating Cash Flow) will be deemed to have been
a Restricted Group Member at all times during such Measurement Period, (II) any
Person that is not a Restricted Group Member on such Determination Date (or
would cease to be a Restricted Group Member on such Determination Date in
connection with the transaction that requires the determination of such Adjusted
Operating Cash Flow) will be deemed not to have been a Restricted Group Member
at any time during such Measurement Period, and (III) if the Company or any
Restricted Group Member shall have in any manner (x) acquired (through an
Acquisition or the commencement of activities constituting such operating
business) or (y) disposed of (by way of an Asset Sale or the termination or
discontinuance of activities constituting such operating business) any operating
business during such Measurement Period or after the end of such period and on
or prior to such Determination Date, such calculation will be made on a pro
forma basis in accordance with GAAP as if, in the case of an Acquisition or the
commencement of activities constituting such operating business, all such
transactions had been consummated on the first day of such Measurement Period
and, in the case of an Asset
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<PAGE>   136
 
Sale or termination or discontinuance of activities constituting such operating
business, all such transactions had been consummated prior to the first day of
such Measurement Period (it being understood that in calculating Adjusted
Operating Cash Flow the exclusions set forth in clauses (a) through (f) of the
definition of Adjusted Net Income shall apply to an Acquired Person as if it
were a Restricted Group Member).
 
     "Default" means any event that is, or with the passage of time or the
giving of notice or both would be, an Event of Default.
 
     "Designation" has the meaning set forth in "-- Certain
Covenants -- Designation of Unrestricted Group Members" above.
 
     "Designation Basket" has the meaning set forth in "-- Certain
Covenants -- Designation of Unrestricted Group Members" above.
 
     "Designation Amount" has the meaning set forth in "-- Certain
Covenants -- Designation of Unrestricted Group Members" above.
 
     "Disinterested Director" means a member of the Board of Directors of the
Company who does not have any material direct or indirect financial interest in
or with respect to the transaction being considered.
 
     "Disposition" means, with respect to any Person, any merger, consolidation
or other business combination involving such Person (whether or not such Person
is the Surviving Person) or the sale, assignment, transfer, lease, conveyance or
other disposition of all or substantially all of such Person's assets.
 
     "Disqualified Equity Interest" means any Equity Interest which, by its
terms (or by the terms of any security into which it is convertible or for which
it is exchangeable at the option of the holder thereof), or upon the happening
of any event, matures or is mandatorily redeemable, pursuant to a sinking fund
obligation or otherwise, or redeemable, at the option of the holder thereof, in
whole or in part, on or prior to the Maturity Date; provided, however, that any
Equity Interests that would not constitute Disqualified Equity Interests but for
provisions thereof giving holders thereof the right to require the Company to
repurchase or redeem such Equity Interests upon the occurrence of a change in
control occurring prior to the Maturity Date shall not constitute Disqualified
Equity Interests if the change in control provisions applicable to such Equity
Interests are no more favorable to the holders of such Equity Interests than the
provisions described under "-- Change of Control" above and such Equity
Interests specifically provide that the Company will not repurchase or redeem
any such Equity Interests pursuant to such provisions prior to the Company's
repurchase of Notes as are required to be repurchased pursuant to the provisions
described under "-- Change of Control" above.
 
     "Equity Interest" in any Person means any and all shares, interests, rights
to purchase, warrants, options, participations or other equivalents of or
interests in (however designated) corporate stock or other equity
participations, including partnership interests, whether general or limited, in
such Person, including any Preferred Equity Interests.
 
     "Escrow Account" has the meaning set forth in "-- Escrow Account" above.
 
     "Escrow Agreement" has the meaning set forth in "-- Escrow Account" above.
 
     "Escrow Collateral" has the meaning set forth in "-- Escrow Account" above.
 
     "Exchange Act" means the Securities Exchange Act of 1934, as amended, and
the rules and regulations promulgated by the SEC thereunder.
 
     "Existing Joint Venture" means each of PrymTelefon, Bancomsvyaz,
TeleCommunications of Moscow, GTS Monaco Access S.A.M., Sovam Teleport Kiev
Division L.L.C., EDN Sovintel, all the entities in which SFMT-Rusnet, Inc.
currently has an interest, all the entities in which Vostok Mobile b.v.
currently has an interest and their respective successors.
 
     "Expiration Date" has the meaning set forth in the definition of "Offer to
Purchase" above.
 
     "Fair Market Value" means, with respect to any asset, the price (after
taking into account any liabilities relating to such assets) which could be
negotiated in an arm's-length free market transaction, for cash,
 
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<PAGE>   137
 
between a willing seller and a willing and able buyer, neither of which is under
any compulsion to complete the transaction; provided, however, that the Fair
Market Value of any such asset or assets shall be determined conclusively by the
Board of Directors of the Company acting in good faith, which determination
shall be evidenced by a resolution of such Board delivered to the Trustee.
 
     "GAAP" means, at any date of determination, generally accepted accounting
principles in effect in the United States which are applicable at the date of
determination and which are consistently applied for all applicable periods.
 
     "guarantee" means, as applied to any obligation, (i) a guarantee (other
than by endorsement of negotiable instruments for collection in the ordinary
course of business), direct or indirect, in any manner, of any part or all of
such obligation and (ii) an agreement, direct or indirect, contingent or
otherwise, the practical effect of which is to assure in any way the payment or
performance (or payment of damages in the event of non-performance) of all or
any part of such obligation, including, without limiting the foregoing, the
payment of amounts drawn down by letters of credit. A guarantee shall include,
without limitation, any agreement to maintain or preserve any other person's
financial condition or to cause any other Person to achieve certain levels of
operating results.
 
     "Guarantee" has the meaning set forth in "-- Certain
Covenants -- Limitation on Issuances of Guarantees by Restricted Group Members"
above.
 
     "Guaranteed Indebtedness" has the meaning set forth in "-- Certain
Covenants -- Limitation on Issuances of Guarantees by Restricted Group Members"
above.
 
     "Hermes Europe" means Hermes Europe Railtel B.V., a company organized in
the Netherlands.
 
     "Hermes Europe Senior Notes Indenture" means the indenture governing the
11 1/2% Senior Notes due 2007 of Hermes Europe.
 
     "Incur" means, with respect to any Indebtedness or other obligation of any
Person, to create, issue, incur (including by conversion, exchange or
otherwise), assume, guarantee or otherwise become liable in respect of such
Indebtedness or other obligation or the recording, as required pursuant to GAAP
or otherwise, of any such Indebtedness or other obligation on the balance sheet
of such Person (and "Incurrence," "Incurred" and "Incurring" shall have meanings
correlative to the foregoing). Indebtedness of a Person existing at the time
such Person becomes a Restricted Group Member or is merged or consolidated with
or into the Company or any Restricted Group Member shall be deemed to be
Incurred at such time.
 
     "Indebtedness" means (without duplication), with respect to any Person,
whether recourse is to all or a portion of the assets of such Person and whether
or not contingent, (a) every obligation of such Person for money borrowed; (b)
every obligation of such Person evidenced by bonds, debentures, notes or other
similar instruments, including obligations incurred in connection with the
acquisition of property, assets or businesses; (c) every reimbursement
obligation of such Person with respect to letters of credit, bankers'
acceptances or similar facilities issued for the account of such Person; (d)
every obligation of such Person issued or assumed as the deferred purchase price
of property or services (but excluding trade accounts payable incurred in the
ordinary course of business and payable in accordance with industry practices,
or other accrued liabilities arising in the ordinary course of business which
are not overdue or which are being contested in good faith); (e) every Capital
Lease Obligation of such Person; (f) every net obligation under interest rate
swap or similar agreements or foreign currency hedge, exchange or similar
agreements of such Person; and (g) every obligation of the type referred to in
clauses (a) through (f) of another Person and all dividends of another Person
the payment of which, in either case, such Person has guaranteed or is
responsible or liable for, directly or indirectly, as obligor, guarantor or
otherwise. Indebtedness (i) shall never be calculated taking into account any
cash and cash equivalents held by such Person; (ii) shall not include
obligations of any Person (x) arising from the honoring by a bank or other
financial institution of a check, draft or similar instrument inadvertently
drawn against insufficient funds in the ordinary course of business, provided
that such obligations are extinguished within 20 Business Days of their
incurrence unless covered by an overdraft line, (y) resulting from the
endorsement of negotiable instruments for collection in the ordinary course of
business and consistent with past business practices and (z) under stand-by
letters of credit to the extent collateralized by cash or
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<PAGE>   138
 
Cash Equivalents; (iii) which provides that an amount less than the principal
amount thereof shall be due upon any declaration of acceleration thereof shall
be deemed to be Incurred or outstanding in an amount equal to the accreted value
thereof at the date of determination determined in accordance with GAAP; and
(iv) shall include the liquidation preference and any mandatory redemption
payment obligations in respect of any Disqualified Equity Interests of the
Company or any Preferred Equity Interests of any Restricted Group Member not
held by the Company or any Restricted Group Member.
 
     "Independent Financial Advisor" means a recognized, accounting, appraisal,
investment banking firm or consultant with experience in a Telecommunications
Business (i) which does not, and whose directors, officers and employees or
Affiliates do not, have a material direct or indirect financial interest in the
Company and (ii) which, in the judgment of the Board of Directors of the
Company, is otherwise independent and qualified to perform the task for which it
is to be engaged.
 
     "interest" means, with respect to the Notes, the sum of any cash interest
on the Notes.
 
     "Interest Rate Protection Obligations" means, with respect to any Person,
the Obligations of such Person under (i) interest rate swap agreements, interest
rate cap agreements and interest rate collar agreements, and (ii) other
agreements or arrangements designed to protect such Person against fluctuations
in interest rates.
 
     "Investment" means, with respect to any Person, any direct or indirect
loan, advance, guarantee or other extension of credit or capital contribution to
(by means of transfers of cash or other property or assets to others or payments
for property or services for the account or use of others, or otherwise), or
purchase or acquisition (whether from the issuer thereof or any existing holder
thereof) of Equity Interests, bonds, notes, debentures or other securities or
evidences of Indebtedness issued by, any other Person. The amount of any
Investment shall be the original cost of such Investment, plus the cost of all
additions thereto, and minus the amount of any portion of such Investment repaid
to such Person in cash as a repayment of principal or a return of capital, as
the case may be, but without any other adjustments for increases or decreases in
value, or write-ups, write-downs or write-offs with respect to such Investment.
In determining the amount of any investment involving a transfer of any property
or asset other than cash, such property shall be valued at its Fair Market Value
at the time of such transfer. "Investments" shall exclude (A) extensions of
trade credit in the ordinary course of business in accordance with normal trade
practices and (B) the Designation of any Restricted Group Member as an
Unrestricted Group Member in accordance with " -- Certain
Covenants -- Designation of Unrestricted Group Members" above.
 
     "Involuntary Event" has the meaning specified in the definition of
"Permitted Investments" below.
 
     "Issue Date" means the original issue date of the Notes.
 
     "Latest Balance Sheet" means, of any Person, the latest consolidated
balance sheet of such Person reported on by a recognized firm of independent
accountants without qualification as to scope.
 
     "Lien" means any lien, mortgage, charge, security interest, hypothecation,
assignment for security or encumbrance of any kind (including any conditional
sale or capital lease or other title retention agreement, any lease in the
nature thereof, and any agreement to give any security interest).
 
     "Maturity Date" means the date, which is set forth on the face of the
Notes, on which the Notes will mature.
 
     "Measurement Period" has the meaning set forth in the definition of "Debt
to Annualized Operating Cash Flow Ratio" above.
 
     "Monetization Sale" has the meaning set forth in " -- Certain
Covenants -- Limitation on Asset Sales" above.
 
     "Net Cash Proceeds" means the aggregate proceeds in the form of cash or
Cash Equivalents received by the Company or any Restricted Group Member in
respect of any Asset Sale, including all cash or Cash Equivalents received upon
any sale, liquidation or other exchange of proceeds of Asset Sales received in a
form other than cash or Cash Equivalents, net of (a) the direct costs relating
to such Asset Sale (including, without limitation, legal, accounting and
investment banking fees, and sales commissions) and any relocation
                                       135
<PAGE>   139
 
expenses incurred as a result thereof; (b) taxes paid or payable as a result
thereof (after taking into account any available tax credits or deductions and
any tax sharing arrangements); (c) amounts required to be applied to the
repayment of Indebtedness secured by a Lien on the asset or assets that were the
subject of such Asset Sale; (d) amounts deemed, in good faith, appropriate by
the Board or Directors of the Company to be provided as a reserve, in accordance
with GAAP, against any liabilities associated with such assets which are the
subject of such Asset Sale (provided that the amount of any such reserves shall
be deemed to constitute Net Cash Proceeds at the time such reserves shall have
been released or are not otherwise required to be retained as a reserve); and
(e) with respect to Asset Sales by any Restricted Group Member, the portion of
such cash payments attributable to Persons holding a minority interest in such
Restricted Group Member.
 
     "Net Proceeds" means the aggregate net proceeds (including the Fair Market
Value of non-cash proceeds constituting equipment or other assets of a type
generally used in a Telecommunications Business in an amount reasonably
determined by the Board of Directors of the Company) received by the Company
from the sale of Qualified Equity Interests (other than to a Restricted Group
Member) after payment of out-of-pocket expenses, commissions and discounts
incurred in connection therewith.
 
     "Non-Subsidiary Affiliate," of any specified Person, means any other Person
in which an Investment in the Equity Interests of such Person has been made by
such specified Person other than a direct or indirect Subsidiary of such
specified Person.
 
     "Note Amount" has the meaning set forth in "-- Certain
Covenants -- Limitation on Asset Sales" above.
 
     "Note Portion of Excess Proceeds" has the meaning set forth in "-- Certain
Covenants -- Limitation on Asset Sales" above.
 
     "Obligations" means any principal, interest (including, without limitation,
post-petition interest), penalties, fees, indemnifications, reimbursement
obligations, damages and other liabilities payable under the documentation
governing any Indebtedness.
 
     "Offer" has the meaning set forth in the definition of "Offer to Purchase"
above.
 
     "Offer to Purchase" means a written offer (the "Offer") sent by or on
behalf of the Company by first-class mail, postage prepaid, to each Holder at
his address appearing in the register for the Notes on the date of the Offer
offering to purchase up to the principal amount of Notes specified in such Offer
at the purchase price specified in such Offer (as determined pursuant to the
Indenture). Unless otherwise required by applicable law, the Offer shall specify
an expiration date (the "Expiration Date") of the Offer to Purchase, which shall
be not less than 20 Business Days nor more than 90 days after the date of such
Offer, and a settlement date (the "Purchase Date") for purchase of Notes to
occur no later than five Business Days after the Expiration Date. The Company
shall notify the Trustee at least 15 Business Days (or such shorter period as is
acceptable to the Trustee) prior to the mailing of the Offer of the Company's
obligation to make an Offer to Purchase, and the Offer shall be mailed by the
Company or, at the Company's request, by the Trustee in the name and at the
expense of the Company. The Offer shall contain all the information required by
applicable law to be included therein. The Offer shall contain all instructions
and materials necessary to enable such Holders to tender Notes pursuant to the
Offer to Purchase. The Offer shall also state:
 
          (1) the Section of the Indenture pursuant to which the Offer to
     Purchase is being made;
 
          (2) the Expiration Date and the Purchase Date;
 
          (3) the aggregate principal amount of the outstanding Notes offered to
     be purchased by the Company pursuant to the Offer to Purchase (including,
     if less than 100%, the manner by which such amount has been determined
     pursuant to the Section of the Indenture requiring the Offer to Purchase)
     (the "Purchase Amount");
 
          (4) the purchase price to be paid by the Company for each $1,000
     aggregate principal amount of Notes accepted for payment (as specified
     pursuant to the Indenture) (the "Purchase Price");
 
                                       136
<PAGE>   140
 
          (5) that the Holder may tender all or any portion of the Notes
     registered in the name of such Holder and that any portion of a Note
     tendered must be tendered in an integral multiple of $1,000 principal
     amount at maturity;
 
          (6) the place or places where Notes are to be surrendered for tender
     pursuant to the Offer to Purchase;
 
          (7) that interest on any Note not tendered or tendered but not
     purchased by the Company pursuant to the Offer to Purchase will continue to
     accrue;
 
          (8) that on the Purchase Date the Purchase Price will become due and
     payable upon each Note being accepted for payment pursuant to the Offer to
     Purchase and that interest thereon shall cease to accrue on and after the
     Purchase Date:
 
          (9) that each Holder electing to tender all or any portion of a Note
     pursuant to the Offer to Purchase will be required to surrender such Note
     at the place or places specified in the Offer to Purchase prior to the
     close of business on the Expiration Date (such Note being, if the Company
     or the Trustee so requires, duly endorsed by, or accompanied by a written
     instrument of transfer in form satisfactory to the Company and the Trustee
     duly executed by, the Holder thereof or his attorney duly authorized in
     writing);
 
          (10) that Holders will be entitled to withdraw all or any portion of
     Notes tendered if the Company (or Paying Agent) receives, not later than
     the close of business on the fifth Business Day next preceding the
     Expiration Date, a telegram, telex, facsimile transmission or letter
     setting forth the name of the Holder, the principal amount of the Note the
     Holder tendered, the certificate number of the Note the Holder tendered and
     a statement that such Holder is withdrawing all or a portion of his or her
     tender;
 
          (11) that (a) if Notes in an aggregate principal amount less than or
     equal to the Purchase Amount are duly tendered and not withdrawn pursuant
     to the Offer to Purchase, the Company shall purchase all such Notes and (b)
     if Notes in an aggregate principal amount in excess of the Purchase Amount
     are tendered and not withdrawn pursuant to the Offer to Purchase, the
     Company shall purchase Notes having an aggregate principal amount equal to
     the Purchase Amount on a pro rata basis (with such adjustments as may be
     deemed appropriate so that only Notes in denominations of $1,000 principal
     amount at maturity or integral multiples thereof shall be purchased); and
 
          (12) that in the case of any Holder whose Note is purchased only in
     part, the Company shall execute and the Trustee shall authenticate and
     deliver to the Holder of such Note without service charge, a new Note or
     Notes, of any authorized denomination as requested by such Holder, in an
     aggregate principal amount equal to and in exchange for the unpurchased
     portion of the Note so tendered.
 
     An Offer to Purchase shall be governed by and effected in accordance with
the provisions above pertaining to any Offer.
 
     "Other Debt" has the meaning set forth in "-- Certain
Covenants -- Limitation on Asset Sales" above.
 
     "Permitted Holders" means (a) Alan B. Slifka and any entity controlled by
him, (b) one or more of George Soros, Soros Fund Management LLC, Purnendu
Chatterjee or Chatterjee Management Company or Affiliates of any of the
foregoing, and any person or entity for which any such person or entity acts as
investment advisor or investment manager, (c) charitable organizations
controlled by or affiliated with any of the Persons named in the foregoing
clauses (a) and (b), and (d) any Person that acquires the capital stock of the
Company in a Strategic Equity Investment.
 
     "Permitted Investments" means (a) Cash Equivalents; (b) Investments in
prepaid expenses, negotiable instruments held for collection and lease, utility
and workers' compensation, performance and other similar deposits; (c) loans and
advances to employees made in the ordinary course of business not to exceed $7.5
million in the aggregate at any one time outstanding; (d) Interest Rate
Protection Obligations and Currency Agreements permitted under "-- Certain
Covenants -- Limitation on Incurrence of Indebtedness" above; (e) bonds, notes,
debentures or other securities received as a result of Asset Sales permitted
under "-- Certain Covenants -- Limitation on Asset Sales" above; (f)
transactions with officers, directors and
 
                                       137
<PAGE>   141
 
employees of the Company or any Restricted Group Member entered into in the
ordinary course of business (including compensation or employee benefit
arrangements with any such director or employee) and consistent with past
business practices; (g) Investments made in the ordinary course of business and
on ordinary business terms as partial payment for constructing a network
relating principally to a Telecommunications Business; (h) intercompany
Indebtedness to the extent permitted under paragraph (b)(vii) of "-- Certain
Covenants -- Limitation on Incurrence of Indebtedness" above; (i) Investments in
evidences of Indebtedness, securities or other property received from another
Person by the Company or any Restricted Group Member in connection with any
bankruptcy proceeding or by reason of a composition or readjustment of debt or a
reorganization of such Person or as a result of foreclosure, perfection or
enforcement of any Lien in exchange for evidences of Indebtedness, securities or
other property of such Person held by the Company or any Restricted Group
Member, or for other liabilities or obligations of such other Person to the
Company or any Restricted Group Member that were created in accordance with the
terms of the Indenture; and (j) any Investment (other than the acquisition or
purchase of any Equity Interests held by any Affiliate of the Company other than
a Restricted Group Member) in any Restricted Group Member or a Person which
will, upon the making of such Investment, become a Restricted Group Member or be
merged or consolidated with or into or transfer or convey all or substantially
all its assets to, a Restricted Group Member; provided, however, that (I) with
respect to any such Investment in a Person that will become a Restricted Group
Member as a result thereof (or be merged or consolidated with or into or
transfer or convey all or substantially all of its assets to a Restricted Group
Member), such Person's primary business is related, ancillary or complementary
to the businesses of the Company and its Restricted Group Members on the date of
such Investment, and (II) with respect to any Investment in a Restricted
Affiliate, any such Investment shall cease to be a Permitted Investment in the
event that such Restricted Affiliate shall cease to observe any of the
provisions of the covenants that are applicable to such Restricted Affiliate;
provided, however, that in the event that such Restricted Affiliate ceases to
observe any of the provisions of the covenants applicable to it solely as a
result of circumstances, developments or conditions beyond the control of the
Company (each such failure to observe a covenant as a result of any such
circumstance, development or condition, being an "Involuntary Event") any such
Investment previously made in such Restricted Affiliate will not cease to be a
Permitted Investment unless such Involuntary Event continues for 90 days.
 
     "Permitted Liens" means (a) Liens on property of a Person existing at the
time such Person is merged into or consolidated with the Company or any
Restricted Group Member and Liens securing Acquired Indebtedness; provided,
however, that such Liens were in existence prior to the contemplation of such
merger or consolidation or Incurrence of such Acquired Indebtedness and were not
incurred in connection therewith and do not secure any property or assets of the
Company or any Restricted Group Member other than the property or assets subject
to the Liens prior to such merger or consolidation or Incurrence of such
Acquired Indebtedness; (b) Liens existing on the Issue Date; (c) Liens securing
Indebtedness consisting of Capitalized Lease Obligations, mortgage financings,
industrial revenue bonds or other monetary obligations, in each case incurred
solely for the purpose of financing all or any part of the purchase price or
cost of construction or installation of assets used in the business of the
Company or any Restricted Group Member, or repairs, additions or improvements to
such assets; provided, however,that (I) such Liens secure Indebtedness in an
amount not in excess of the original purchase price or the original cost of any
such assets or repair, addition or improvement thereto (plus an amount equal to
the reasonable fees and expenses in connection with the Incurrence of such
Indebtedness), (II) such Liens do not extend to any other assets of the Company
or any Restricted Group Member (and, in the case of repair, addition or
improvements to any such assets, such Lien extends only to the assets (and
improvements thereto or thereon) repaired, added to or improved), (III) the
Incurrence of such Indebtedness is permitted by "-- Certain
Covenants -- Limitation on Incurrence of Indebtedness" above and (IV) such Liens
attach within 90 days of such purchase, construction, installation, repair,
addition or improvement; (d) Liens to secure the Senior Credit Facility; (e)
Liens securing letters of credit entered into in the ordinary course of business
and consistent with past business practice; (f) Liens on and pledges of the
Equity Interests of any Unrestricted Group Member securing any Indebtedness of
such Unrestricted Group Member; (g) Liens on any property or assets of a
Restricted Group Member granted in favor of and held by the Company or any
Restricted Group Member; (h) Liens on any property or assets of the Company or
any Restricted Group Member securing on a pari passu basis all of the Notes; (i)
statutory
 
                                       138
<PAGE>   142
 
Liens of landlords and carriers, warehousemen, mechanics, suppliers,
materialmen, repairmen or other like Liens arising in the ordinary course of
business of the Company or any Restricted Group Member and with respect to
amounts not yet delinquent or being contested in good faith by appropriate
proceedings; (j) Liens for taxes, assessments, government charges or claims that
are being contested in good faith by appropriate proceedings promptly instituted
and diligently conducted; provided, however, that any reserve or other
appropriate provision as shall be required in conformity with GAAP shall have
been made therefor; (k) Liens incurred or deposits made to secure the
performance of tenders, bids, leases, statutory obligations, surety and appeal
bonds, government contracts, performance bonds and other obligations of a like
nature incurred in the ordinary course of business (other than contracts for the
payment of money); (1) easements, rights-of-way, restrictions and other similar
charges or encumbrances not interfering in any material respect with the
business of the Company or any Restricted Group Member and incurred in the
ordinary course of business; (m) Liens arising by reason of judgment, decree or
order of any court so long as such Lien is adequately bonded and any appropriate
legal proceedings that may have been duly initiated for the review of such
judgment, decree or order shall not have been finally terminated or the period
within which such proceedings may be initiated shall not have expired; (n) Liens
on the Equity Interests or properties or assets of any Restricted Group Member
securing Indebtedness of such Restricted Group Member (other than any guarantee
of Indebtedness other than Indebtedness under the Senior Credit Facility) of the
Company or any other Restricted Group Member to the extent permitted to be
Incurred under "-- Certain Covenants -- Limitation on Incurrence of
Indebtedness" above, (o) Liens securing Indebtedness under Interest Rate
Protection Obligations or Indebtedness under Currency Agreements to the extent
permitted to be Incurred under "-- Certain Covenants -- Limitation on Incurrence
of Indebtedness" above; (p) Liens incurred or deposits made in the ordinary
course of business in connection with workers' compensation, unemployment
insurance and other types of social security; (q) Liens to secure any
Refinancings, in whole or in part, of any Indebtedness secured by Liens referred
to in the clauses above so long as such Lien does not extend to any other
property (other than improvements thereto); and (r) Liens arising under the
Escrow Agreement.
 
     "Permitted Refinancing" means, with respect to any Indebtedness,
Indebtedness to the extent representing a Refinancing of such Indebtedness;
provided, however, that (1) the Refinancing Indebtedness shall not exceed the
sum of the amount of the Indebtedness being Refinanced, plus the amount of
accrued interest or dividends thereon, the amount of any reasonably determined
prepayment premium necessary to accomplish such Refinancing and reasonable fees
and expenses incurred in connection therewith; (2) the Refinancing Indebtedness
shall have a Weighted Average Life to Maturity equal to or greater than the
Weighted Average Life to Maturity of the Indebtedness being Refinanced and shall
not have a final stated maturity prior to the final stated maturity of the
Indebtedness being Refinanced; and (3) Indebtedness that ranks pari passu with
the Notes may be Refinanced only with Indebtedness that is made pari passu with
or subordinate in right of payment to the Notes, and Indebtedness that is
subordinate in right of payment to the Notes may be Refinanced only with
Indebtedness that is subordinate in right of payment to the Notes on terms no
less favorable to the Holders than those contained in the Indebtedness being
Refinanced.
 
     "Permitted Repurchase" means any purchase, redemption or other acquisition
of any Equity Interests of the Company issued as consideration for the purchase
of the Equity Interests in GTS-Vox Limited held by the Company in the event that
such Equity Interests are required to be repurchased by the Company pursuant to
the terms of the purchase of such Equity Interests.
 
     "Person" means any individual, corporation, partnership, joint venture,
association, joint-stock company, limited liability company, limited liability
partnership, limited partnership, trust, unincorporated organization or
government or any agency or political subdivision thereof.
 
     "Preferred Equity Interest," in any Person, means an Equity Interest of any
class or classes (however designated) which is preferred as to the payment of
dividends or distributions, or as to the distribution of assets upon any
voluntary or involuntary liquidation or dissolution of such Person, over Equity
Interests of any other class in such Person.
 
     "principal" of a debt security means the principal of the security, plus,
when appropriate, the premium, if any, on the security.
 
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<PAGE>   143
 
     "Public Equity Offering" means an underwritten public offering of common
Equity Interests of the Company pursuant to an effective registration statement
filed under the Securities Act (excluding registration statements filed on Form
S-8).
 
     "Purchase Amount" has the meaning set forth in the definition of "Offer to
Purchase" above.
 
     "Purchase Date" has the meaning set forth in the definition of "Offer to
Purchase" above.
 
     "Purchase Price" has the meaning set forth in the definition of "Offer to
Purchase" above.
 
     "Qualified Equity Interest" means any Equity Interest of the Company other
than any Disqualified Equity Interest.
 
     "Refinance" means refinance, renew, extend, replace, defease or refund; and
"Refinancing" and "Refinanced" have correlative meanings.
 
     "Related Business" means any business in which the Company or its
Restricted Group Members are engaged, directly or indirectly, that consists
primarily of, or is related to, operating, acquiring, developing and
constructing any telecommunications services and related businesses.
 
     "Replacement Assets" means (x) properties and assets (other than cash or
any Equity Interests or other security) that will be used in a
Telecommunications Business of the Company and the Restricted Group Members or
(y) Equity Interests of any Person engaged primarily in a Telecommunications
Business, which Person will become on the date of acquisition thereof a
Restricted Group Member as a result of the Company's acquiring such Equity
Interests.
 
     "Required Filing Dates" has the meaning set forth in "-- Certain
Covenants -- Provision of Financial Information" above.
 
     "Restricted Affiliate" means any direct or indirect Non-Subsidiary
Affiliate of the Company or a Restricted Subsidiary of the Company that has been
designated by the Board of Directors of the Company as a Restricted Affiliate
based on a determination by the Board of Directors that the Company has,
directly or indirectly, the requisite control over such Non-Subsidiary Affiliate
to prevent it from Incurring Indebtedness, or taking any other action at any
time, in contravention of any of the provisions of the Indenture that are
applicable to Restricted Affiliates; provided, however, that immediately after
giving effect to such designation (i) the Liens and Indebtedness of such
Non-Subsidiary Affiliate outstanding immediately after such designation would,
if Incurred at such time, have been permitted to be Incurred for all purposes of
the Indenture; and (ii) no Default or Event of Default shall have occurred and
be continuing. The Company shall deliver an Officers' Certificate to the Trustee
upon designating any Non-Subsidiary Affiliate as a Restricted Affiliate. As of
the Issue Date, every Existing Joint Venture is a Restricted Affiliate.
 
     "Restricted Group Members" means collectively, each Restricted Subsidiary
of the Company, each Restricted Affiliate and each Restricted Subsidiary of a
Restricted Affiliate.
 
     "Restricted Subsidiary" means any Subsidiary of the Company that has not
been designated by the Board of Directors of the Company, by a resolution of the
Board of Directors of the Company delivered to the Trustee, as an Unrestricted
Subsidiary pursuant to "-- Certain Covenants -- Designation of Unrestricted
Group Members" above. Any such designation may be revoked by a resolution of the
Board of Directors of the Company delivered to the Trustee, subject to the
provisions of such covenant.
 
     "SEC" means the Securities and Exchange Commission.
 
     "Senior Credit Facility" means any senior credit facility among the
Company, Restricted Group Members (if any), and the lenders and agents named
therein, including any deferrals, renewals, extensions, replacements,
refinancings or refundings thereof, or amendments, modifications or supplements
thereto and any agreement providing therefor, whether by or with the same or any
other lender, creditor, group of lenders or group of creditors, and including
related notes, guarantees and other instruments and agreements executed in
connection therewith.
 
                                       140
<PAGE>   144
 
     "Share Capital" means, at any time of determination, the stated capital of
the Equity Interests (other than Disqualified Equity Interests) and additional
paid-in capital of the Company at such time, all as determined in accordance
with GAAP.
 
     "Significant Restricted Group Member" means, at any date of determination,
(a) any Restricted Group Member that, together with its Subsidiaries that
constitute Restricted Group Members (i) for the most recent fiscal year of the
Company accounted for more than 10.0% of the revenues of the Company and the
Restricted Group Members or (ii) as of the end of such fiscal year, owned more
than 10.0% of the assets of the Company and the Restricted Group Members, all as
set forth on the financial statements of the Company and the Restricted Group
Members for such year prepared in conformity with GAAP, and (b) any Restricted
Group Member which, when aggregated with all other Restricted Group Members that
are not otherwise Significant Restricted Group Members and as to which any event
described in clauses (f), (g) or (h) of "-- Events of Default" above has
occurred and is continuing, would constitute a Significant Restricted Group
Member under clause (a) of this definition.
 
     "Stated Maturity" when used with respect to any Note or any installment of
interest thereon, means the date specified in such Note as the fixed date on
which the principal of such Note or such installment of interest is due and
payable.
 
     "Strategic Equity Investments" means the issuance and sale of Qualified
Equity Interests to a Person that has an equity market capitalization, a net
asset value or annual revenues of at least $1.5 billion and owns and operates
business primarily in a Telecommunications Business provided that such
Telecommunications Business may be located anywhere in the world.
 
     "Subordinated Indebtedness" means any Indebtedness of the Company which is
expressly subordinated in right of payment to the Notes.
 
     "Subsidiary" means, with respect to any Person, (a) any corporation of
which the outstanding Voting Equity Interests having at least a majority of the
votes entitled to be cast in the election of directors shall at the time be
owned, directly or indirectly, by such Person, or (b) any other Person of which
at least a majority of Voting Equity Interests are at the time, directly or
indirectly, owned by such first named Person.
 
     "Surviving Person" means, with respect to any Person involved in or that
makes any Disposition, the Person formed by or surviving such Disposition or the
Person to which such Disposition is made.
 
     "Telecommunications Acquisition" means an Acquisition of properties or
assets to be used in a Telecommunications Business or the Equity Interests of
any Person that becomes a Restricted Group Member; provided, however, that such
Person's properties and assets shall consist principally of properties or assets
that will be used in a Telecommunications Business.
 
     "Telecommunications Business" means any business owning, constructing,
financing and operating a telephone and/or communications system located
principally in countries located in Europe and/or Asia (including Russia and the
CIS), or any business reasonably related thereto, including, without limitation,
any business conducted by the Company or any Restricted Group Member on the
Issue Date and the provision of ancillary services related thereto and other
services provided through the facilities of such telephone and
telecommunications system.
 
     "Total Indebtedness" means, as at any date of determination, an amount
equal to the aggregate amount of all Indebtedness of the Company and the
Restricted Group Members, outstanding as of such date of determination, after
giving effect to any Incurrence of Indebtedness and the application of the
proceeds therefrom giving rise to such determination. Total Indebtedness shall
be calculated by excluding at such date that percentage of the Indebtedness of
any Restricted Group Member that corresponds to the percentage ownership
interest in the outstanding Equity Interests of such Restricted Group Member not
owned, directly or indirectly, by the Company on such date.
 
     "Unrestricted Affiliate" means any Non-Subsidiary Affiliate of the Company
designated as such pursuant to "-- Certain Covenants -- Designation of
Unrestricted Group Members" above. Any such designation may be revoked by a
resolution of the Board of Directors of the Company delivered to the Trustee,
subject to the provisions of such covenant.
 
                                       141
<PAGE>   145
 
     "Unrestricted Group Member" means, collectively, each Unrestricted
Subsidiary of the Company and each Unrestricted Affiliate.
 
     "Unrestricted Subsidiary" means any Subsidiary of the Company designated as
such pursuant to "-- Certain Covenants -- Designation of Unrestricted Group
Members" above. Any such designation may be revoked by a resolution of the Board
of Directors of the Company delivered to the Trustee, subject to the provisions
of such covenant.
 
     "U.S. Government Obligations" means direct non-callable obligations of, or
obligations guaranteed by, the United States of America for the payment of which
guarantee or obligations the full faith and credit of the United States is
pledged.
 
     "Voting Equity Interests" means Equity Interests in a corporation or other
Person with voting power under ordinary circumstances entitling the holders
thereof to elect the Board of Directors or other governing body of such
corporation or Person.
 
     "Weighted Average Life to Maturity" means, when applied to any Indebtedness
at any date, the number of years obtained by dividing (a) the sum of the
products obtained by multiplying (i) the amount of each then remaining
installment, sinking fund, serial maturity or other required scheduled payment
of principal, including payment of final maturity, in respect thereof, by (ii)
the number of years (calculated to the nearest one-twelfth) that will elapse
between such date and the making of such payment, by (b) the then outstanding
aggregate principal amount of such Indebtedness.
 
     "Wholly Owned Restricted Subsidiary" means any Restricted Subsidiary all of
the outstanding Voting Equity Interests (other than directors' qualifying
shares) of which are owned, directly or indirectly, by the Company.
 
                                       142
<PAGE>   146
 
                 CERTAIN UNITED STATES FEDERAL TAX CONSEQUENCES
 
     The following is a summary of the principal United States federal income
tax considerations regarding the purchase, ownership and disposition of the
Notes. This summary is based on the Internal Revenue Code of 1986, as amended
(the "Code"), existing and proposed Treasury regulations promulgated thereunder
and administrative and judicial interpretations thereof (all as of the date
hereof and all of which are subject to change, possibly with retroactive
effect). Except as specifically set forth herein, this summary deals only with
Notes purchased on original issuance at their issue price and held as capital
assets within the meaning of section 1221 of the Code. It does not discuss all
of the tax consequences that may be relevant to holders in light of their
particular circumstances or to holders subject to special rules, such as banks,
insurance companies, tax-exempt organizations, dealers in securities or foreign
currencies, persons holding the Notes as part of a hedging transaction,
"straddle," conversion transaction, or other integrated transaction, or U.S.
Holders whose functional currency (as defined in section 985 of the Code) is not
the U.S. dollar. Persons considering the purchase of the Notes are urged to
consult with their own tax advisors with regard to the Notes in view of the
application of the United States federal income tax laws to their particular
situations as well as any tax consequences arising under the laws of any state,
local or foreign jurisdiction.
 
     As used herein, the term "U.S. Holder" means a beneficial owner of a Note
that for United States federal income tax purposes is (i) a citizen or
individual resident of the United States, (ii) a corporation or partnership
created or organized in or under the laws of the United States or of any
political subdivision thereof, (iii) an estate, the income of which is subject
to United States federal income taxation regardless of its source, or (iv) a
trust, if both: (A) a United States court is able to exercise primary
supervision over the administration of the trust, and (B) one or more United
States persons have the authority to control all substantial decisions of the
trust. The term "Non-U.S. Holder" means an individual or entity other than a
U.S. Holder.
 
U.S. HOLDERS
 
     Interest paid on a Note generally will be taxable to a U.S. Holder as
ordinary interest income at the time it accrues or is received, in accordance
with the U.S. Holder's method of accounting for federal income tax purposes. If
the Company qualifies as an "80/20 company" (as described below) for a
particular year, such interest income for such year will constitute income for
foreign sources.
 
     Upon the sale, exchange or retirement of a Note, a U.S. Holder generally
will recognize taxable gain or loss equal to the difference between the amount
realized on the sale, exchange or retirement (reduced by any amounts
attributable to accrued but unpaid interest, which will be taxable as such) and
such holder's adjusted tax basis in the Note. The adjusted tax basis of a Note
generally will equal its cost. Gain or loss on the sale, exchange or retirement
of a Note generally will be capital gain or loss. Under newly enacted
legislation, the net amount of such gain recognized by an individual U.S. Holder
generally will be subject to tax at a maximum rate of (i) 28%, if the Note is
held for more than 12 months but not more than 18 months and (ii) 20%, if the
Note is held for more than 18 months.
 
     Certain "backup" withholding and information reporting requirements may
apply to payments on, and to proceeds of the sale before maturity of, the Notes.
The Company, its agent, a broker, the relevant Trustee or any paying agent, as
the case may be, may withhold tax at a rate of 31% from any such payments to a
U.S. Holder that fails to furnish its taxpayer identification number (social
security number or employer identification number), to certify that such holder
is not subject to backup withholding, or to otherwise comply with the applicable
requirements of the backup withholding rules. Certain holders (including, among
others, corporations) generally are not subject to the backup withholding and
information reporting requirements.
 
     Any amounts withheld under the backup withholding rules from a payment to a
U.S. Holder would be allowed as a refund or a credit against such holder's
United States federal income tax provided that the required information is
timely furnished to the Internal Revenue Service.
 
                                       143
<PAGE>   147
 
NON-U.S. HOLDERS
 
     Under present United States federal law, and subject to the discussion
below concerning backup withholding:
 
     (a) payments of principal, interest and premium, if any, on the Notes by
the Company or any paying agent to any Non-U.S. Holder will not be subject to
United States withholding tax, provided that, in the case of interest, either
(i) the Company is an "80/20 company," as described below, or, if the Company is
not an 80/20 company, (ii) the requirements for the "Portfolio Interest
Exemption" are satisfied; and
 
     (b) a Non-U.S. Holder of a Note will not be subject to United States
federal income tax on gain realized on the sale, exchange or other disposition
of such Note, unless (i) such Holder is an individual who is present in the
United States for 183 days or more in the taxable year of disposition and
certain other conditions are met, or (ii) such gain is effectively connected
with the conduct by such Holder of a trade or business in the United States.
 
     United States withholding tax will not be imposed on interest paid by a
domestic corporation if at least 80% of the gross income derived by such
corporation (either directly or through its subsidiaries) during the applicable
testing period is "active foreign business income," as defined in section 861 of
the Code (an "80/20 company"). At present, the Company believes that it
qualifies as an 80/20 company. However, the 80% test for active foreign business
income is applied on a periodic basis, and operations and business plans of the
Company may change in subsequent taxable years. Therefore, while at present it
appears that this exception from withholding is available, no assurances can be
made regarding its future availability.
 
     If the Company is not an 80/20 Company, a Non-U.S. Holder will be exempt
from United States withholding tax under the Portfolio Interest Exemption,
provided that (A) such Holder does not own, actually or constructively, 10
percent or more of the total combined voting power of all classes of stock of
the Company entitled to vote, is not a controlled foreign corporation related,
directly or indirectly, to the Company through stock ownership, and is not a
bank receiving interest described in section 881(c)(3)(A) of the Code and (B)
the statement requirement set forth in section 871(h) or section 881(c) of the
Code has been fulfilled with respect to the beneficial owner. Sections 871(h)
and 881(c) of the Code require that either the beneficial owner of the Note, or
a securities clearing organization, bank or other financial institution that
holds customers' securities in the ordinary course of its trade or business (a
"Financial Institution") and that is holding the Note on behalf of such
beneficial owner, file a statement with the withholding agent to the effect that
the beneficial owner of the Note is not a U.S. Holder. Under temporary Treasury
regulations that generally apply to stated interest paid on a Note on or before
December 31,1998 and to payments on or before such date of proceeds from a sale
or exchange of a Note, such requirement will be fulfilled if (i) the beneficial
owner of a Note certifies on IRS Form W-8, under penalties of perjury, that it
is not a U.S. Holder and provides its name and address, and (ii) any Financial
Institution holding the Note on behalf of the beneficial owner files a statement
with the withholding agent to the effect that it has received such a statement
from the Holder (and furnishes the withholding agent with a copy thereof).
Recently finalized Treasury regulations (the "Final Regulations"), which apply
to interest paid on a Note after December 31, 1998 and to payments made after
such date of proceeds from a sale or exchange of a Note, also provide that the
requirement of section 871(h) and 881(c) will be fulfilled if the two conditions
set forth in the preceding sentence are met. Certain pass-thru entities may be
required to comply with additional certification requirements.
 
     If a Non-U.S. Holder of a Note is engaged in a trade or business in the
United States, and if interest on the Note is effectively connected with the
conduct of such trade or business, the Non-U.S. Holder, although exempt from the
withholding tax discussed in the preceding paragraph, will generally be subject
to regular United States federal income tax on interest and on any gain realized
on the sale, exchange or other disposition of a Note in the same manner as if it
were a U.S. Holder. See "U.S. Holders" above. In lieu of the certificate
described in the preceding paragraph, such a Holder will be required to provide
to the Company a properly executed IRS Form 4224 in order to claim an exemption
from withholding tax on stated interest paid on the Notes on or before December
31, 1998 and payments made on or before such date of proceeds from a sale or
exchange of a Note. Under the Final Regulations, such a Non-U.S. Holder will be
required to provide a Form W-8 to the withholding agent on which such Holder
provides its name, address and TIN and states,
                                       144
<PAGE>   148
 
under penalty of perjury, that the interest paid on a Note and the gain on the
sale or exchange of a Note is effectively connected with such Holder's United
States trade or business in order to obtain an exemption from withholding tax on
payments made after December 31, 1998. In addition, if such Non-U.S. Holder is a
foreign corporation, it may be subject to a branch profits tax equal to 30% (or
such lower rate provided by an applicable treaty) of its effectively connected
earnings and profits for the taxable year, subject to certain adjustments. For
purposes of the branch profits tax, interest on and any gain recognized on the
sale, exchange or other disposition of a Note will be included in the
effectively connected earnings and profits of such Non-U.S. Holder if such
interest or gain, as the case may be, is effectively connected with the conduct
by the Non-U.S. Holder of a trade or business in the United States.
 
BACKUP WITHHOLDING AND INFORMATION REPORTING
 
     Under current United States federal income tax law, backup withholding tax
of 31% will not apply to payments by the Company on a Note to certain
corporations and other "exempt recipients" and will not apply to other Non-U.S.
Holders if the certifications required by sections 871(h) and 881(c), discussed
above, are received, provided in each case that the Company or such paying
agent, as the case may be, does not have actual knowledge that the payee is a
United States person.
 
     Under current Treasury regulations, payments on the sale, exchange or other
disposition of Note made to or through a foreign office of a broker generally
will not be subject to backup withholding. However, if such broker is a United
States person, a controlled foreign corporation for United States tax purposes
or a foreign person 50 percent or more of whose gross income is effectively
connected with a United States trade or business for a specified three-year
period or, in the case of payments made after December 31, 1998, a foreign
partnership (i) at least 50 percent of the capital or profit interests in which
are owned by United States persons or (ii) that has a United States trade or
business, information reporting will be required unless the broker has in its
records documentary evidence that the beneficial owner is not a United States
person and certain other conditions are met or the beneficial owner otherwise
establishes an exemption. Under the Final Regulations, backup withholding may
apply to any payment made after December 31, 1998 which such broker is required
to report if such broker has actual knowledge that the payee is a United States
person. Payments to or through the United States office of a broker will be
subject to backup withholding and information reporting unless the Holder
certifies, under penalties of perjury, that it is not a United States person or
otherwise establishes an exemption.
 
     Non-U.S. Holders of Notes should consult their tax advisers regarding the
application of information reporting and backup withholding in their particular
situations, the availability of an exemption therefrom, and the procedure for
obtaining such an exemption, if available. Any amounts withheld from a payment
to a Non-U.S. Holder under the backup withholding rules will be allowed as a
credit against such Holder's United States federal income tax liability and may
entitle such Holder to a refund, provided that the required information is
furnished to the IRS.
 
     THE FEDERAL INCOME TAX DISCUSSION SET FORTH ABOVE IS INCLUDED FOR GENERAL
INFORMATION ONLY AND MAY NOT BE APPLICABLE DEPENDING UPON A HOLDER'S PARTICULAR
SITUATION. HOLDERS SHOULD CONSULT THEIR OWN TAX ADVISORS WITH RESPECT TO THE TAX
CONSEQUENCES TO THEM OF THE OWNERSHIP AND DISPOSITION OF THE NOTES, INCLUDING
THE TAX CONSEQUENCES UNDER STATE, LOCAL, FOREIGN AND OTHER TAX LAWS AND THE
POSSIBLE EFFECTS OF CHANGES IN FEDERAL OR OTHER TAX LAWS.
 
                                       145
<PAGE>   149
 
                                  UNDERWRITING
 
     Subject to the terms and conditions of an Underwriting Agreement, dated
February 4, 1998 (the "Underwriting Agreement"), the Underwriters named below
(the "Underwriters") have severally agreed to purchase from the Company the
respective principal amount of Notes set forth opposite their names below.
 
<TABLE>
<CAPTION>
                                                              PRINCIPAL AMOUNT
                        UNDERWRITERS                              OF NOTES
                        ------------                          ----------------
<S>                                                           <C>
Donaldson, Lufkin & Jenrette Securities Corporation.........    $ 52,500,000
Merrill Lynch, Pierce, Fenner & Smith
             Incorporated...................................      31,500,000
UBS Securities LLC..........................................      21,000,000
                                                                ------------
          Total.............................................    $105,000,000
                                                                ============
</TABLE>
 
     The Underwriting Agreement provides that the obligations of the several
Underwriters to purchase and accept delivery of the Notes offered hereby are
subject to approval by their counsel of certain legal matters and to certain
other conditions. The Underwriters are obligated to purchase and accept delivery
of all Notes offered hereby if any are purchased.
 
     The Underwriters initially propose to offer the Notes in part directly to
the public at the initial public offering price set forth on the cover page of
this Prospectus and in part to certain dealers at such price less a concession
not in excess of 0.40% of the principal amount of the Notes. The Underwriters
may allow, and such dealers may reallow, to certain other dealers a concession
not in excess of 0.25% of the principal amount of the Notes. After the initial
public offering of the Notes, the public offering price and other selling terms
may be changed by the Underwriters at any time without notice. The Underwriters
do not intend to confirm sales to any accounts over which they exercise
discretionary authority.
 
     The Company has agreed to indemnify the Underwriters against certain
liabilities, including liabilities under the Securities Act, or to contribute to
payments that the Underwriters may be required to make in respect thereof. The
Underwriters and the Company have agreed that the Underwriters will reimburse
the Company for certain expenses.
 
     The Notes are a new issue of securities with no established trading market.
The Company does not intend to apply for listing of the Notes on any securities
exchange or the Nasdaq National Market. The Company has been advised by the
Underwriters that the Underwriters intend to make a market in the Notes;
however, they are not obligated to do so, and they may discontinue any such
market making at any time without notice. Therefore, no assurance can be given
as to the liquidity of the trading market for the Notes.
 
     Other than in the United States, no action has been taken by the Company or
the Underwriters that would permit a public offering of the Notes in any
jurisdiction where action for that purpose is required. The Notes offered hereby
may not be offered or sold, directly or indirectly, nor may this Prospectus or
any other offering material or advertisements in connection with the offer and
sale of the Notes be distributed or published in any jurisdiction, except under
circumstances that will result in compliance with the applicable rules and
regulations of such jurisdiction. Persons into whose possession this Prospectus
comes are advised to inform themselves about and to observe any restrictions
relating to the Notes Offering and the distribution of this Prospectus. This
Prospectus does not constitute an offer to sell or a solicitation of an offer to
buy any of the Notes offered hereby in any jurisdiction in which such an offer
or a solicitation is unlawful.
 
     In connection with the Notes Offering, the Underwriters may engage in
transactions that stabilize, maintain or otherwise affect the price of the
Notes. Specifically, the Underwriters may overallot the Notes Offering, creating
a syndicate short position. The Underwriters may bid for and purchase Notes in
the open market to cover such syndicate short position or to stabilize the price
of the Notes. These activities may stabilize or maintain the market price of the
Notes above independent market levels. The Underwriters are not required to
engage in these activities, and may end either of these activities at any time.
 
                                       146
<PAGE>   150
 
                                 LEGAL MATTERS
 
     Certain legal matters relating to the offering in this Prospectus have been
passed upon by Shearman & Sterling, New York, New York, counsel for the Company.
Certain legal matters will be passed upon for the Underwriters by Cahill Gordon
& Reindel (a partnership including a professional corporation), New York, New
York. The validity of the Notes offered hereby will be passed upon by Shearman &
Sterling, counsel for the Company.
 
                                    EXPERTS
 
     The consolidated financial statements of Global TeleSystems Group, Inc. as
of December 31, 1996 and 1995 and September 30, 1997, and for each of the three
years in the period ended December 31, 1996 and the nine months ended September
30, 1997, appearing in this Prospectus and Registration Statement, have been
audited by Ernst & Young, LLP, independent auditors, as set forth in their
report appearing elsewhere herein and are included in reliance upon such report
given upon the authority of such firm as experts in accounting and auditing.
 
     The consolidated financial statements of EDN Sovintel as of December 31,
1996 and 1995, and for each of the three years in the period ended December 31,
1996, appearing in this Prospectus and Registration Statement, have been audited
by Ernst & Young (CIS) Ltd., independent auditors as set forth in their report
appearing elsewhere herein and are included in reliance upon such report given
upon the authority of such firm as experts in accounting and auditing.
 
     The consolidated financial statements of Hermes Europe Railtel B.V. as of
December 31, 1996 and 1995 and September 30, 1997, and for each of the three
years in the period ended December 31, 1996 and the nine months ended September
30, 1997, appearing in this Prospectus and Registration Statement, have been
audited by Ernst & Young Reviseurs d'Entreprises S.C.C., independent auditors,
as set forth in their report appearing elsewhere herein and are included in
reliance upon such report given upon the authority of such firm as experts in
accounting and auditing.
 
                                       147
<PAGE>   151
 
                         INDEX TO FINANCIAL STATEMENTS
 
                         GLOBAL TELESYSTEMS GROUP, INC.
 
               YEAR END AND NINE MONTH 1997 FINANCIAL STATEMENTS
 
<TABLE>
<CAPTION>
 
<S>                                                           <C>
Report of Ernst & Young LLP, Independent Auditors...........  F-2
Consolidated Balance Sheets as of December 31, 1995 and 1996
  and September 30, 1997....................................  F-3
Consolidated Statements of Operations for the years ended
  December 31, 1994, 1995, and 1996 and for the nine months
  ended September 30, 1996 and 1997.........................  F-4
Consolidated Statements of Cash Flows for the years ended
  December 31, 1994, 1995, and 1996 and for the nine months
  ended September 30, 1996 and 1997.........................  F-5
Consolidated Statements of Shareholders' Equity for the
  years ended December 31, 1994, 1995, and 1996 and for the
  nine months ended September 30, 1996 and 1997.............  F-6
Notes to Consolidated Financial Statements..................  F-7
 
                           EDN SOVINTEL
                  YEAR END FINANCIAL STATEMENTS
 
Report of Ernst & Young (CIS) Limited, Independent
  Auditors..................................................  F-27
Balance Sheets as of December 31, 1996 and 1995.............  F-28
Statements of Income and Retained Earnings for the years
  ended December 31, 1996, 1995, and 1994...................  F-29
Statements of Cash Flows for the years ended December 31,
  1996, 1995, and 1994......................................  F-30
Notes to Financial Statements...............................  F-31
 
                THIRD QUARTER FINANCIAL STATEMENTS
 
Condensed Balance Sheets as of December 31, 1996 and
  September 30, 1997........................................  F-40
Condensed Statements of Operations for the nine months ended
  September 30, 1996 and 1997...............................  F-41
Condensed Statements of Cash Flows for the nine months ended
  September 30, 1996 and 1997...............................  F-42
Notes to Condensed Financial Statements.....................  F-43
 
                    HERMES EUROPE RAILTEL B.V.
        YEAR END AND NINE MONTH 1997 FINANCIAL STATEMENTS
Report of Ernst & Young Reviseurs d'Entreprises S.C.C.,
  Independent Auditors......................................  F-46
Consolidated Balance Sheets as of December 31, 1995 and 1996
  and September 30, 1997....................................  F-47
Consolidated Statements of Operations for the years ended
  December 31, 1994, 1995 and 1996 and for the nine months
  ended September 30, 1997..................................  F-48
Consolidated Statements of Cash Flows for the years ended
  December 31, 1994, 1995 and 1996 and for the nine months
  ended September 30, 1997..................................  F-49
Consolidated Statements of Shareholders' Equity for the
  years ended December 31, 1994, 1995 and 1996 and for the
  nine months ended September 30, 1997......................  F-50
Notes to Consolidated Financial Statements..................  F-51
</TABLE>
 
                                       F-1
<PAGE>   152
 
               REPORT OF ERNST & YOUNG LLP, INDEPENDENT AUDITORS
 
The Board of Directors
Global TeleSystems Group, Inc.
 
     We have audited the accompanying consolidated balance sheets of Global
TeleSystems Group, Inc. as of December 31, 1995 and 1996 and September 30, 1997,
and the related consolidated statements of operations, cash flows, and
shareholders' equity for each of the three years in the period ended December
31, 1996 and for the nine months ended September 30, 1997. These financial
statements are the responsibility of the Company's management. Our
responsibility is to express an opinion on these financial statements based on
our audits.
 
     We conducted our audits in accordance with generally accepted auditing
standards. Those standards require that we plan and perform the audit to obtain
reasonable assurance about whether the financial statements are free of material
misstatement. An audit includes examining, on a test basis, evidence supporting
the amounts and disclosures in the financial statements. An audit also includes
assessing the accounting principles used and significant estimates made by
management, as well as evaluating the overall financial statement presentation.
We believe that our audits provide a reasonable basis for our opinion.
 
     In our opinion, the financial statements referred to above present fairly,
in all material respects, the consolidated financial position of Global
TeleSystems Group, Inc. at December 31, 1995 and 1996 and September 30, 1997,
and the consolidated results of its operations and its cash flows for each of
the three years in the period ended December 31, 1996 and for the nine months
ended September 30, 1997, in conformity with generally accepted accounting
principles.
 
                                                    Ernst & Young LLP
Washington, DC
December 16, 1997
 
                                       F-2
<PAGE>   153
 
                         GLOBAL TELESYSTEMS GROUP, INC.
 
                          CONSOLIDATED BALANCE SHEETS
 
                                     ASSETS
 
<TABLE>
<CAPTION>
                                                                  DECEMBER 31,
                                                              --------------------   SEPTEMBER 30,
                                                                1995       1996          1997
                                                              --------   ---------   -------------
                                                               (IN THOUSANDS, EXCEPT SHARE DATA)
<S>                                                           <C>        <C>         <C>
Current assets
  Cash and cash equivalents.................................  $  9,044   $  57,874     $ 366,841
  Accounts receivable, less allowance for doubtful accounts
    of $30, $782 and $2,588 at December 31, 1995, December
    31, 1996 and September 30, 1997, respectively...........     2,972       8,920        13,498
  Restricted cash...........................................        --      13,627        30,404
  Prepaid expenses..........................................     1,932       2,537         3,324
  Other assets..............................................     4,189       2,187         6,118
                                                              --------   ---------     ---------
        Total current assets................................    18,137      85,145       420,185
Notes receivable............................................        84         209           238
Property and equipment, net.................................    29,523      35,463        69,051
Investments in and advances to ventures.....................    56,153     104,459        84,068
Goodwill and intangible assets, net of accumulated
  amortization of $1,983, $3,916, and $7,672 at December 31,
  1995 and 1996 and September 30, 1997, respectively........     8,681       9,548        44,864
Restricted cash.............................................     3,043       2,554        29,382
                                                              --------   ---------     ---------
        Total Assets........................................  $115,621   $ 237,378     $ 647,788
                                                              ========   =========     =========
 
                               LIABILITIES AND SHAREHOLDERS' EQUITY
 
Current liabilities
  Accounts payable..........................................  $  8,705   $   6,761     $  10,883
  Accrued compensation......................................     2,339       3,151         5,070
  Interest payable..........................................        --         213         6,557
  Other accrued expenses....................................     6,029       5,086        12,000
  Related party debt maturing within one year...............     9,481       4,947        11,760
  Debt maturing within one year.............................     5,099      16,261        14,815
  Other current liabilities.................................       957       2,040         5,731
                                                              --------   ---------     ---------
        Total current liabilities...........................    32,610      38,459        66,816
Related party long-term debt, less current portion..........        --      59,079        64,715
Long-term debt, less current portion........................    12,874       5,260       411,192
Taxes and other non-current liabilities.....................     9,542      14,664        14,898
                                                              --------   ---------     ---------
        Total Liabilities...................................    55,026     117,462       557,621
Commitments and contingencies
Minority interest...........................................     1,936       1,915        20,275
Common stock, subject to repurchase (325,000 shares
  outstanding at December 31, 1995 and 1996 and 797,100
  shares outstanding at September 30, 1997).................     3,337       4,333        12,489
Shareholders' Equity
  Preferred stock, $0.0001 par value (10,000,000 shares
    authorized; none issued and outstanding)................        --          --            --
  Common stock, $0.10 par value (135,000,000, shares
    authorized; 26,204,759, 34,589,106, and 37,606,814
    shares issued and outstanding, net of 75,000, 116,639
    and 195,528 shares of treasury stock at December 31,
    1995 and 1996 and September 30, 1997, respectively).....     2,620       3,459         3,761
  Additional paid-in capital................................   112,144     238,268       274,433
  Cumulative translation adjustment.........................    (1,535)     (2,161)       (7,021)
  Accumulated deficit.......................................   (57,907)   (125,898)     (213,770)
                                                              --------   ---------     ---------
        Total Shareholders' Equity..........................    55,322     113,668        57,403
                                                              --------   ---------     ---------
        Total Liabilities and Shareholders' Equity..........  $115,621   $ 237,378     $ 647,788
                                                              ========   =========     =========
</TABLE>
 
   The accompanying notes are an integral part of these financial statements.
 
                                       F-3
<PAGE>   154
 
                         GLOBAL TELESYSTEMS GROUP, INC.
 
                     CONSOLIDATED STATEMENTS OF OPERATIONS
 
<TABLE>
<CAPTION>
                                                                             NINE MONTHS ENDED
                                         YEAR ENDED DECEMBER 31,               SEPTEMBER 30,
                                      ------------------------------   -----------------------------
                                        1994       1995       1996         1996            1997
                                      --------   --------   --------   -------------   -------------
                                                                        (UNAUDITED)
                                                  (IN THOUSANDS, EXCEPT PER SHARE DATA)
<S>                                   <C>        <C>        <C>        <C>             <C>
Revenues, net:
  Telecommunication and other
     services.......................  $  1,295   $  5,979   $ 19,210     $ 12,474        $ 26,547
  Equipment sales...................     1,173      2,433      4,907        2,165           3,669
                                      --------   --------   --------     --------        --------
                                         2,468      8,412     24,117       14,639          30,216
Operating costs and expenses:
  Cost of revenues:
     Telecommunication and other
       services.....................     1,474      8,150     14,741       11,231          25,169
     Equipment sales................       971        246      4,200        1,650           3,183
  Selling, general and
     administrative.................    12,228     37,291     47,940       31,552          46,203
  Depreciation and amortization.....       658      3,491      4,165        3,661           4,404
  Non-income taxes..................        --        234        850          512           1,452
                                      --------   --------   --------     --------        --------
                                        15,331     49,412     71,896       48,606          80,411
  Write-off of venture-related
     assets.........................        --         --         --           --           1,673
  Equity in losses of ventures......       135      7,871     10,150        6,999          18,234
                                      --------   --------   --------     --------        --------
Loss from operations................   (12,998)   (48,871)   (57,929)     (40,966)        (70,102)
Other income/(expense):
  Other non-operating income........        --     10,270         --                           --
  Interest income...................     1,189      2,177      3,569        1,546           5,278
  Interest expense..................      (100)      (728)   (11,122)      (7,262)        (21,086)
  Foreign currency losses...........       (99)      (685)    (1,176)        (819)         (1,094)
                                      --------   --------   --------     --------        --------
                                           990     11,034     (8,729)      (6,535)        (16,902)
                                      --------   --------   --------     --------        --------
Net loss before income taxes and
  minority interest.................   (12,008)   (37,837)   (66,658)     (47,501)        (87,004)
Income taxes........................        --      2,565      1,360          977           1,838
                                      --------   --------   --------     --------        --------
Net loss before minority interest...   (12,008)   (40,402)   (68,018)     (48,478)        (88,842)
Minority interest...................        23          2         27            5             970
                                      --------   --------   --------     --------        --------
Net loss............................  $(11,985)  $(40,400)  $(67,991)    $(48,473)       $(87,872)
                                      ========   ========   ========     ========        ========
Net loss per share..................  $  (0.69)  $  (1.61)  $  (2.22)    $  (1.69)       $  (2.37)
                                      ========   ========   ========     ========        ========
Weighted average common shares
  outstanding.......................    17,263     25,128     30,578       28,736          37,144
                                      ========   ========   ========     ========        ========
</TABLE>
 
   The accompanying notes are an integral part of these financial statements.
 
                                       F-4
<PAGE>   155
 
                         GLOBAL TELESYSTEMS GROUP, INC.
 
                     CONSOLIDATED STATEMENTS OF CASH FLOWS
 
<TABLE>
<CAPTION>
                                                                                     NINE MONTHS ENDED
                                                 YEAR ENDED DECEMBER 31,               SEPTEMBER 30,
                                              ------------------------------   -----------------------------
                                                1994       1995       1996         1996            1997
                                              --------   --------   --------   -------------   -------------
                                                                                (UNAUDITED)
                                                                      (IN THOUSANDS)
<S>                                           <C>        <C>        <C>        <C>             <C>
Operating Activities
  Net loss..................................  $(11,985)  $(40,400)  $(67,991)    $(48,473)       $(87,872)
  Adjustments to reconcile net loss to net
    cash used in operating activities:
    Depreciation and amortization...........       576      3,721      7,444        6,094           9,173
    Amortization of discount on note
      payable...............................        --         --      3,598        2,502           3,665
    Equity in losses of ventures, net of
      dividends received....................       135      7,871     11,123        6,999          18,234
    Deferred interest.......................        --         --      6,583        4,386           8,142
    Write-off of venture-related assets.....        --         --         --           --           1,673
    Non-cash compensation...................        --         --         --           --           3,390
    Minority interest.......................       (23)        (2)       (27)                        (970)
    Other...................................       115      2,577      1,342        1,047           2,325
    Changes in assets and liabilities,
      excluding effects of acquisitions and
      ventures:
      Accounts receivable...................       (36)    (1,557)    (6,996)      (3,965)         (5,723)
      Prepaid expenses......................        --       (438)      (605)        (960)          4,387
      Accounts payable and accrued
         expenses...........................     4,224     12,820     (1,694)      (2,062)          7,386
      Other changes in assets and
         liabilities........................    (7,615)     9,474      8,207        2,608          (2,743)
                                              --------   --------   --------     --------        --------
Net cash used in operating activities.......   (14,609)    (5,934)   (39,016)     (31,824)        (38,933)
Investing Activities
  Investments in and advances to ventures...   (14,213)   (45,102)   (54,932)     (34,187)         (2,157)
  Purchases of property and equipment.......    (6,580)   (24,324)   (12,195)     (10,088)        (13,861)
  Restricted cash...........................      (500)    (2,543)   (13,138)        (853)        (55,813)
  Acquisitions, net of cash acquired........        --     (1,871)        --           --           1,050
  Goodwill and other intangibles............        --     (6,181)      (487)      (1,807)         (2,196)
  Other investing activities................        --      2,069       (125)      (1,104)            (30)
                                              --------   --------   --------     --------        --------
Net cash used in investing activities.......   (21,293)   (77,952)   (80,877)     (48,039)        (73,007)
Financing Activities
  Proceeds from debt........................        --     23,325     63,599       62,360         415,986
  Payment of debt issue costs...............        --       (779)    (2,777)        (582)        (24,178)
  Net proceeds from issuance of common
    stock...................................    62,108     42,175    107,775       95,002          36,527
  Other financing activities................      (190)      (750)        --          118            (557)
                                              --------   --------   --------     --------        --------
Net cash provided by financing activities...    61,918     63,971    168,597      156,898         427,778
Effect of exchange rate changes on cash and
  cash equivalents..........................       (22)      (676)       126          425          (6,871)
                                              --------   --------   --------     --------        --------
Net increase (decrease) in cash and cash
  equivalents...............................    25,994    (20,591)    48,830       77,460         308,967
Cash and cash equivalents at beginning of
  period....................................     3,641     29,635      9,044        9,044          57,874
                                              --------   --------   --------     --------        --------
Cash and cash equivalents at end of
  period....................................  $ 29,635   $  9,044   $ 57,874     $ 86,504        $366,841
                                              ========   ========   ========     ========        ========
</TABLE>
 
   The accompanying notes are an integral part of these financial statements.
 
                                       F-5
<PAGE>   156
 
                         GLOBAL TELESYSTEMS GROUP, INC.
 
                CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY
            FOR THE YEARS ENDED DECEMBER 31, 1994, 1995 AND 1996 AND
                    THE NINE MONTHS ENDED SEPTEMBER 30, 1997
 
<TABLE>
<CAPTION>
                                  COMMON STOCK     ADDITIONAL   CUMULATIVE                      TOTAL
                                ----------------    PAID-IN     TRANSLATION   ACCUMULATED   SHAREHOLDERS'
                                SHARES    AMOUNT    CAPITAL     ADJUSTMENT      DEFICIT        EQUITY
                                -------   ------   ----------   -----------   -----------   -------------
                                                             (IN THOUSANDS)
<S>                             <C>       <C>      <C>          <C>           <C>           <C>
Balance at December 31,
  1993........................    9,230   $  923    $  9,406      $  (122)     $  (5,522)      $  4,685
  Proceeds from the sale of
     common stock, net of
     expenses of $3,649.......   11,501    1,150      60,932           --             --         62,082
  Translation adjustment......       --       --          --         (124)            --           (124)
  Net loss....................       --       --          --           --        (11,985)       (11,985)
  Other.......................       50        5          21           --             --             26
                                -------   ------    --------      -------      ---------       --------
Balance at December 31,
  1994........................   20,781    2,078      70,359         (246)       (17,507)        54,684
  Proceeds from the sale of
     common stock, net of
     expenses of $3,680.......    5,091      509      41,629           --             --         42,138
  Translation adjustment......       --       --          --       (1,289)            --         (1,289)
  Net loss....................       --       --          --           --        (40,400)       (40,400)
  Other.......................      333       33         156           --             --            189
                                -------   ------    --------      -------      ---------       --------
Balance at December 31,
  1995........................   26,205    2,620     112,144       (1,535)       (57,907)        55,322
  Proceeds from the sale of
     common stock, net of
     expenses of $3,567.......    8,349      835     106,909           --             --        107,744
  Issuance of 7,223 warrants
     in connection with debt
     financing................       --       --      20,184           --             --         20,184
  Translation adjustment......       --       --          --         (626)            --           (626)
  Net loss....................       --       --          --           --        (67,991)       (67,991)
  Other.......................       35        4        (969)          --             --           (965)
                                -------   ------    --------      -------      ---------       --------
Balance at December 31,
  1996........................   34,589    3,459     238,268       (2,161)      (125,898)       113,668
  Proceeds from the sale of
     common stock, net of
     expenses of $2,683.......    2,503      250      36,277           --             --         36,527
  Translation adjustment......       --       --          --       (4,860)            --         (4,860)
  Net loss....................       --       --          --           --        (87,872)       (87,872)
  Other.......................      515       52        (112)          --             --            (60)
                                -------   ------    --------      -------      ---------       --------
Balance at September 30,
  1997........................   37,607   $3,761    $274,433      $(7,021)     $(213,770)        $57,403
                                =======   ======    ========      =======      =========       ========
</TABLE>
 
   The accompanying notes are an integral part of these financial statements.
 
                                       F-6
<PAGE>   157
 
                         GLOBAL TELESYSTEMS GROUP, INC.
 
                   NOTES TO CONSOLIDATED FINANCIAL STATEMENTS
 
NOTE 1: NATURE OF BUSINESS OPERATIONS
 
     Global TeleSystems Group, Inc. ("GTS" or the "Company"), is a provider of a
broad range of telecommunications services to businesses, other
telecommunications service providers and consumers through its operation of
voice and data networks, international gateways, local access and cellular
networks and the provision of various value-added services in the Commonwealth
of Independent States ("CIS"), primarily Russia, Central Europe, and India and
China ("Asia"). The Company, through two of its ventures, is also building a new
infrastructure for transporting international voice, data and video traffic for
other carriers throughout Western Europe and for worldwide international voice,
data and video traffic that either originates or terminates in, or transits
through, Western Europe. See further discussion of the Company's business
operations within Note 3, "Investments In and Advances to Ventures," and Note
14, "Segment Information and Certain Geographical Data."
 
     Certain of the Company's ventures are in the early stages of operations in
the telecommunications industry. The Company's businesses are developing
rapidly; some are in countries with an emerging economy, which by nature have an
uncertain economic, political and regulatory environment. The general risks of
operating businesses in the CIS and other developing countries include the
possibility for rapid change in government policies, economic conditions, the
tax regime and foreign currency regulations.
 
     The ultimate recoverability of the Company's investments in and advances to
ventures is dependent on many factors including, but not limited to, the
economies of the countries in which it does business; the ability of the Company
to maintain the necessary telecommunications licenses; and the ability of the
Company to obtain sufficient financing to continue to meet its capital and
operational commitments.
 
     Management recognizes that the Company must generate additional capital
resources in order to continue its operations and meet its new development
initiatives. The Company is currently pursuing various equity and debt financing
sources and has entered into substantive negotiations with financial
institutions in order to obtain further debt and equity financing. The Company
has also retained independent consultants to assist it in identifying other
entities interested in entering into strategic partnerships relative to its
telecommunications properties and new development initiatives. If the Company is
not successful in closing debt or equity financing, the Company may be required
to curtail new development initiatives, sell certain assets or a combination of
these actions.
 
NOTE 2: SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES
 
  Principles of Consolidation
 
     Wholly-owned subsidiaries and majority owned ventures where the Company has
unilateral operating and financial control are consolidated. Those ventures
where the Company exercises significant influence, but does not exercise
unilateral operating and financial control are accounted for by the equity
method. The Company has certain majority-owned ventures that are accounted for
by the equity method as a result of super majority voting conditions or other
governmentally imposed uncertainties so severe that they prevent the Company
from obtaining unilateral control of the venture. If the Company has little
ability to exercise significant influence over a venture, the venture is
accounted for by the cost method. All significant intercompany accounts and
transactions are eliminated upon consolidation.
 
     The Company recognizes profits and losses in accordance with its underlying
ownership percentage or allocation percentage as specified in the agreements
with its partners; however, the Company recognizes 100% of the losses in
ventures where the Company bears all of the financial risk. When such ventures
become profitable, the Company recognizes 100% of the profits until such time as
the excess losses previously recognized have been recovered.
 
                                       F-7
<PAGE>   158
 
                         GLOBAL TELESYSTEMS GROUP, INC.
 
           NOTES TO CONSOLIDATED FINANCIAL STATEMENTS -- (CONTINUED)
 
     The accompanying unaudited, consolidated financial data presented in the
Statements of Operations and the Statements of Cash Flows for the nine months
ended September 30, 1996 have been derived from the Company's financial records
and contain all adjustments (consisting only of normal recurring accruals)
necessary to present fairly the results of operations and cash flows for the
period indicated.
 
  Reclassifications
 
     Certain reclassifications have been made to the 1994, 1995 and 1996
consolidated financial statements in order to conform to the 1997 presentation.
 
  Cash and Cash Equivalents
 
     The Company considers all highly liquid investments with a maturity of
three months or less at the time of purchase to be cash equivalents. The Company
had $3.0 million, $16.2 million and $59.8 million of restricted cash at December
31, 1995 and 1996, and September 30, 1997, respectively. The restricted cash is
primarily related to cash held in escrow for interest payments.
 
  Property and Equipment
 
     Property and equipment is stated at cost. Depreciation is calculated on a
straight-line basis over the estimated lives ranging from five to fifteen years
for telecommunications equipment and three to five years for furniture, fixtures
and equipment and other property. Construction in process reflects amounts
incurred for the configuration and build-out of telecommunications equipment and
telecommunications equipment not yet placed into service. Maintenance and
repairs are charged to expense as incurred.
 
  Goodwill and Intangible Assets
 
     Goodwill represents the excess of acquisition costs over the fair market
value of the net assets of acquired businesses and is being amortized on a
straight-line basis over their estimated useful lives ranging from three to ten
years. Intangible assets, principally telecommunications service contracts,
licenses and deferred financing costs, are amortized on a straight-line basis
over the lesser of their estimated useful lives, generally three to fifteen
years, or their contractual term. In accordance with APB 17, "Intangible
Assets," the Company continues to evaluate the amortization period to determine
whether events or circumstances warrant revised amortization periods.
Additionally, the Company considers whether the carrying value of such assets
should be reduced based on the future benefits of its intangible assets.
 
  Long-Lived Assets
 
     Effective January 1, 1995, the Company adopted Statement of Financial
Accounting Standards ("SFAS") No. 121, "Accounting for the Impairment of
Long-Lived Assets and for Long-Lived Assets to Be Disposed Of." In accordance
with SFAS No. 121, long-lived assets to be held and used by the Company are
reviewed to determine whether any events or changes in circumstances indicate
that the carrying amount of the asset may not be recoverable. For long-lived
assets to be held and used, the Company bases its evaluation on such impairment
indicators as the nature of the assets, the future economic benefit of the
assets, any historical or future profitability measurements, as well as other
external market conditions or factors that may be present. If such impairment
indicators are present or other factors exist that indicate that the carrying
amount of the asset may not be recoverable, the Company determines whether an
impairment has occurred through the use of an undiscounted cash flows analysis
of assets at the lowest level for which identifiable cash flows exist. If an
impairment has occurred, the Company recognizes a loss for the difference
between the carrying amount and the estimated value of the asset. The fair value
of the asset is measured using quoted market prices or, in the absence of quoted
market prices, fair value is based on an estimate of discounted cash flow
analysis. During the years ended December 31, 1995 and 1996, the Company's
analyses indicated that
                                       F-8
<PAGE>   159
 
                         GLOBAL TELESYSTEMS GROUP, INC.
 
           NOTES TO CONSOLIDATED FINANCIAL STATEMENTS -- (CONTINUED)
 
there was not an impairment of its long-lived assets. During the nine months
ended September 30, 1997, the Company's analyses indicated that there was an
impairment of its long-lived assets. Accordingly, the Company recorded a
write-down of long-lived assets associated with the investment in the Asia and
Central Europe regions (see Note 3, "Investments in and Advances to Ventures").
 
  Income Taxes
 
     The Company uses the liability method of accounting for income taxes.
Deferred income taxes result from temporary differences between the tax basis of
assets and liabilities and the basis as reported in the consolidated financial
statements. The Company does not provide for deferred taxes on the undistributed
earnings of its foreign companies, as such earnings are intended to be
permanently reinvested in those operations.
 
  Foreign Currency Translation
 
     The Company follows a translation policy in accordance with SFAS No. 52,
"Foreign Currency Translation." In most instances, the local currency is
considered the functional currency for the Company's subsidiaries and ventures,
except for operations in the CIS where the U.S. dollar has been designated as
the functional currency. Assets and liabilities of these subsidiaries and
ventures are translated at the rates of exchange at the balance sheet date.
Income and expense accounts are translated at average monthly rates of exchange.
The resultant translation adjustments are included in the cumulative translation
adjustment, a separate component of shareholders' equity. Gains and losses from
foreign currency transactions of these subsidiaries and ventures are included in
the operations of the subsidiary or venture.
 
     For those ventures operating in the CIS, the temporal method for
translating assets and liabilities is used. Accordingly, monetary assets and
liabilities are translated at current exchange rates while non-monetary assets
and liabilities are translated at their historical rates. Income and expense
accounts are translated at average monthly rates of exchange. The resultant
translation adjustments are included in the operations of the subsidiaries and
ventures.
 
  Revenue Recognition
 
     The Company records as revenue the amount of telecommunications services
rendered, as measured primarily by the minutes of traffic processed, after
deducting an estimate of the traffic that will be neither billed nor collected.
Revenue from service or consulting contracts is accounted for when the services
are provided. Equipment sales revenue is generally recognized upon shipment of
the equipment. Billings received in advance of service being performed are
deferred and recognized as revenue as the service is performed.
 
  Net Loss Per Share
 
     The Company's net loss per share calculations are based upon the weighted
average number of shares of common stock outstanding. Pursuant to the
requirements of the Securities and Exchange Commission Staff Accounting Bulletin
No. 83, common stock, common stock options and common stock warrants issued at
prices below the initial offering price during the twelve months immediately
preceding the contemplated initial filing of the registration statement relating
to the initial public offering ("IPO") have been included in the computation of
net loss per share as if they were outstanding for all periods presented (using
the treasury method assuming repurchase of common stock at the estimated IPO
price). Other shares issuable upon the exercise of common stock options and
warrants have been excluded from the computation because the effect of their
inclusion would be anti-dilutive. Subsequent to the Company's IPO, common stock
options and warrants under the treasury stock method will be included to the
extent they are dilutive.
 
                                       F-9
<PAGE>   160
 
                         GLOBAL TELESYSTEMS GROUP, INC.
 
           NOTES TO CONSOLIDATED FINANCIAL STATEMENTS -- (CONTINUED)
 
     In February 1997, the Financial Accounting Standards Board issued SFAS No.
128, "Earnings per Share. SFAS No. 128 establishes a different method of
computing net income (loss) per share than is currently required under the
provisions of Accounting Principles Board Opinion No. 15. Under SFAS No. 128,
the Company will be required to present both basic net income (loss) per share
and diluted net income (loss) per share. The impact of SFAS No. 128 on the
calculation of net income (loss) per share is not expected to be material. The
Company plans to adopt SFAS No. 128 in its year ended December 31, 1997, and at
that time all historical net income (loss) per share data presented will be
restated to conform to the provisions of SFAS No. 128.
 
  Fair Value of Financial Instruments
 
     The Company believes that the carrying amount of its assets and liabilities
reported in the balance sheets approximates their fair value.
 
  Off Balance Sheet Risk and Concentration of Credit Risk
 
     Financial instruments that potentially subject the Company to concentration
of credit risk consist primarily of cash and cash equivalents and accounts and
notes receivable. The Company maintains most of its cash and cash equivalents in
one high-quality U.S. financial institution. The Company extends credit to
various customers and establishes an allowance for doubtful accounts for
specific customers that it determines to have significant credit risk. The
Company provides allowances for potential credit losses when necessary.
 
     The Company does not now hedge against foreign currency fluctuations,
although the Company may implement such practices in the future. Under current
practices, the Company's results from operations could be adversely affected by
fluctuations in foreign currency exchange rates.
 
  Stock Based Compensation
 
     SFAS No. 123, "Accounting for Stock-Based Compensation," ("SFAS No. 123")
establishes a fair value method of accounting for employee stock options and
similar equity instruments. The fair value method requires compensation cost to
be measured at the grant date based on the value of the award and is recognized
over the service period. SFAS No. 123 allows companies to either account for
stock-based compensation under the new provisions of SFAS No. 123 or under the
provisions of APB No. 25, "Accounting for Stock Issued to Employees" ("APB No.
25"). The Company has elected to account for its stock-based compensation in
accordance with the provisions of APB No. 25 and will present pro forma
disclosures of net loss as if the fair value method had been adopted.
 
  Uses of Estimates in Preparation of Financial Statements
 
     The preparation of these consolidated financial statements, in conformity
with generally accepted accounting principles, requires management to make
estimates and assumptions that affect amounts in the financial statements and
accompanying notes and the reported amounts of revenues and expenses during the
reporting period. Actual results could differ from those estimates.
 
                                      F-10
<PAGE>   161
 
                         GLOBAL TELESYSTEMS GROUP, INC.
 
           NOTES TO CONSOLIDATED FINANCIAL STATEMENTS -- (CONTINUED)
 
NOTE 3: INVESTMENTS IN AND ADVANCES TO VENTURES
 
     The Company has various investments in ventures that are accounted for by
the equity method. The Company's ownership percentages in its equity method
investments range from 49% to 80%. The Company has no investments in ventures
that are accounted for by the cost method.
 
     The components of the Company's investments in and advances to ventures are
as follows:
 
<TABLE>
<CAPTION>
                                                       DECEMBER 31,
                                                    -------------------    SEPTEMBER 30,
                                                     1995        1996          1997
                                                    -------    --------    -------------
                                                               (IN THOUSANDS)
<S>                                                 <C>        <C>         <C>
Equity in net assets acquired.....................  $18,664     $41,105       $30,954
Excess of investment cost over equity in net
  assets acquired net of amortization of $1.7
  million, $4.3 million and $4.1 million at
  December 31, 1995 and 1996, and September 30,
  1997, respectively..............................    8,577      11,288         8,285
Accumulated (losses) earnings recognized..........   (6,267)    (13,840)       10,321
Dividends.........................................       --        (973)       (2,793)
Cash advances and other...........................   35,179      66,879        37,301
                                                    -------    --------       -------
Total investments in and advances to ventures.....  $56,153    $104,459       $84,068
                                                    =======    ========       =======
</TABLE>
 
     In applying the equity method of accounting, the Company's policy is to
amortize the excess of investment cost over equity in net assets acquired based
upon an assignment of the excess to the fair value of the venture's identifiable
tangible and intangible assets, with any unassigned amounts designated as
goodwill. The Company then amortizes the allocated costs in accordance with its
policies defined in Note 2, "Summary of Significant Accounting Policies."
 
     The Company has financed the operating and investing cash flow requirements
of several of its ventures, in the form of cash advances. The Company
anticipates that these ventures will generate sufficient cash inflows for the
repayment of the cash advances, as their businesses mature. Also, due to the
long-term nature of the anticipated repayment period and the potential risk
associated with the repatriation of the cash advances, the Company has
aggregated its investments in and cash advances to the ventures.
 
     The Company's share of the ventures' foreign currency translation
adjustments is reflected in the investment accounts.
 
  Investment Recoverability
 
     The Company periodically evaluates the recoverability of their equity
investments in accordance with APB No. 18 "The Equity Method of Accounting for
Investments in Common Stock," and if circumstances arise where a loss in value
is considered to be other than temporary, the Company will record a write-down
of excess investment cost. The Company's recoverability analysis is based on the
projected undiscounted cash flows of the operating ventures which is the lowest
level of cash flow information available. As of September 30, 1997, the Company
recorded a write-off of approximately $5.4 million which represented the net
balance of certain investments in and advances to ventures located in Asia
(primarily Beijing Tianmu and V-Tech) and Central Europe (Eurohivo) which were
stated in excess of their net realizable value. The entire net balance of these
investments in and advances to ventures was written-off based on the fact that
these ventures project overall negative cash flows for the foreseeable future.
The ventures' projected future operations deteriorated during 1997 as a result
of problems dealing with one of its partners, the inability of the ventures to
develop markets for its services, and technical problems. The components of the
charge, which was classified as equity in losses of ventures, were as follows:
 
<TABLE>
<S>                                                           <C>
Equity in net assets acquired...............................  $ 17,093
Excess of investment cost over equity in net assets
  acquired..................................................       593
Accumulated (losses) earnings recognized....................   (23,253)
Dividends...................................................        --
Cash advances and other.....................................    10,921
                                                              --------
Net write-off as of September 30, 1997......................  $  5,354
                                                              ========
</TABLE>
 
                                      F-11
<PAGE>   162
 
                         GLOBAL TELESYSTEMS GROUP, INC.
 
           NOTES TO CONSOLIDATED FINANCIAL STATEMENTS -- (CONTINUED)
 
     Prior to the write-off detailed above the Company included in its
accumulated (losses) approximately $14.4 million of losses (of the
$14.4 million, approximately $13.5 million related to the write-off of advances
to several Chinese owned operating telecommunications companies to which the
Company provides technical and financial assistance and $0.9 million related to
the write-off of inventories, receivables, and other assets) which represented
the Company's share of asset write-offs recorded by certain of the Company's
equity method investments in Asia during the nine months ended September 30,
1997. Such write-offs, for the same reasons mentioned in the previous paragraph,
were recorded by the Company's equity method investments pursuant to SFAS
No. 121. This amount is included in the $(23.3) million accumulated (losses)
earnings detailed above. Additionally, during the nine months ended September
30, 1997 the Company recorded a charge of $1.7 million in order to write-off
certain holding company assets associated with the ventures located in Asia and
Central Europe. This charge has been included as a separate line item in the
Company's statement of operations.
 
  Hermes Europe Railtel B.V. ("HER") Recapitalization
 
     During the nine months ended September 30, 1997, HER recapitalized its
equity structure and amended its existing shareholder agreement. In connection
with the HER recapitalization the Company contributed approximately $51.8
million and converted existing note receivables of approximately $28.4 million
in exchange for an additional 29% equity interest in HER. As a result of the
recapitalization and amended shareholder agreement, the Company obtained
unilateral control over HER. As such, HER has been consolidated into the
Company's financial statements effective July 6, 1997, the effective date of the
recapitalization. The Company recognized approximately $8.7 of goodwill in
connection with the recapitalization. As a result of the Company's loss
recognition policy, the consolidation of HER did not have a material impact on
the Company's historical financial position or operating results and thus no pro
forma information is disclosed herein.
 
     As of September 30, 1997, the consolidation of HER resulted in reductions
of $72.9 million, $10 million, and $4.6 million in the equity in net assets
acquired, excess of investment cost over equity in net assets acquired, and cash
advances and other, respectively. Additionally, as of September 30, 1997 the
consolidation of HER had a $21.4 million favorable impact on the accumulated
(losses) earnings recognized.
 
  Changes in the Investments in and Advances to Ventures
 
     The changes in the investments in and advances to ventures are as follows:
 
<TABLE>
<CAPTION>
                                                       DECEMBER 31,
                                                    -------------------    SEPTEMBER 30,
                                                     1995        1996          1997
                                                    -------    --------    -------------
                                                               (IN THOUSANDS)
<S>                                                 <C>        <C>         <C>
Balance, at beginning of period...................  $13,841     $56,153         $104,459
Equity in net assets acquired.....................   13,888      22,441        79,825
Excess of investment cost over equity in net
  assets acquired.................................    5,646       5,288        10,187
Dividends.........................................       --        (973)       (1,820)
Cash advances (repayments) and other..............   30,649      31,700       (14,024)
Effect of consolidating equity method company.....       --          --       (76,325)
                                                    -------    --------      --------
                                                     50,183      58,456        (2,157)
Equity ownership in losses........................   (4,224)     (3,122)      (10,066)
Excess losses recognized over amount attributable
  to ownership interest...........................   (2,709)     (4,451)      (10,434)
Amortization of excess of investment cost over
  equity in net assets acquired...................     (938)     (2,577)       (2,610)
Loss in value that is other than temporary........       --          --        (5,354)
Effect of consolidating equity method company.....       --          --        10,230
                                                    -------    --------      --------
                                                     (7,871)    (10,150)      (18,234)
                                                    -------    --------      --------
Balance, at end of period.........................  $56,153    $104,459       $84,068
                                                    =======    ========      ========
</TABLE>
 
                                      F-12
<PAGE>   163
 
                         GLOBAL TELESYSTEMS GROUP, INC.
 
           NOTES TO CONSOLIDATED FINANCIAL STATEMENTS -- (CONTINUED)
 
     As of September 30, 1997, the significant investments accounted for under
the equity method and the percentage interest owned consist of the following:
 
<TABLE>
<CAPTION>
                 EQUITY OWNED SUBSIDIARIES                    OWNERSHIP %
                 -------------------------                    -----------
<S>                                                           <C>
EDN Sovintel................................................        50%
Sovam Teleport..............................................        67%
GTS Ukrainian TeleSystems, L.L.C. (holds a 49% interest in
  Bancomsvyaz)..............................................        60%
GTS Vox Limited.............................................     52.64%
TeleRoss Ventures - 13 joint ventures in various regions in
  the CIS...................................................        50%
Vostok Ventures - 11 joint ventures in various regions in
  the CIS...................................................     50-70%
PrimTelefone................................................        50%
GTS Monaco Access S.A.M.....................................        50%
</TABLE>
 
     In connection with a purchase of a venture during 1995, the Company is
required to pay additional consideration through 1998, either in cash or shares
of the Company's common stock, based on the actual earnings of the venture.
During the first quarter of 1997, the purchase agreement related to acquiring
this venture was amended and notes payable of $5.2 million were replaced and
additional consideration was paid by the issuance of 504,600 shares of the
Company's common stock valued at $13.33 per share. Further, the agreement was
modified such that the remaining consideration would only be in the form of the
issuance of the Company's common stock. The Company's maximum obligation
pursuant to this agreement is to issue 1,121,640 shares of common stock. The
Company will recognize any additional consideration paid under this agreement as
goodwill.
 
     During 1996 and 1997, the Company, in connection with a venture investment,
entered into two financing agreements with a shareholder of the Company for a
total of approximately $8.6 million. Subject to certain conditions, the
shareholder has the right to require the repayment of this amount in cash or
713,311 shares of the Company's common stock. This amount has been included in
"Other financing agreements" (see Note 5, "Debt Obligations").
 
     The following tables present condensed financial information of the
Company's ventures that are accounted for by the equity method of accounting as
of December 31, 1995 and 1996 and September 30, 1997.
 
<TABLE>
<CAPTION>
                                                      YEAR ENDED DECEMBER 31, 1995
                                        --------------------------------------------------------
                                        MAJORITY OWNED   50% OR LESS OWNED   TOTAL EQUITY METHOD
        EQUITY METHOD ENTITIES             VENTURES          VENTURES             VENTURES
        ----------------------          --------------   -----------------   -------------------
                                                          (IN THOUSANDS)
<S>                                     <C>              <C>                 <C>
Revenue...............................      $4,966            $49,085              $54,051
Gross margin..........................       1,096             19,944               21,040
Net loss..............................      (5,156)            (1,224)              (6,380)
Equity in net losses..................      (5,136)            (1,797)              (6,933)
Current assets........................       5,188             27,074               32,262
Total assets..........................      17,343             79,486               96,829
Current liabilities...................       9,214             38,411               47,625
Total liabilities.....................      14,395             54,734               69,129
Net assets............................       2,948             24,752               27,700
Ownership interest in equity in net
  assets..............................       2,595             12,511               15,106
</TABLE>
 
                                      F-13
<PAGE>   164
 
                         GLOBAL TELESYSTEMS GROUP, INC.
 
           NOTES TO CONSOLIDATED FINANCIAL STATEMENTS -- (CONTINUED)
 
<TABLE>
<CAPTION>
                                                      YEAR ENDED DECEMBER 31, 1996
                                        --------------------------------------------------------
                                        MAJORITY OWNED   50% OR LESS OWNED   TOTAL EQUITY METHOD
        EQUITY METHOD ENTITIES             VENTURES          VENTURES             VENTURES
        ----------------------          --------------   -----------------   -------------------
                                                          (IN THOUSANDS)
<S>                                     <C>              <C>                 <C>
Revenue...............................     $36,202           $107,270             $143,472
Gross margin..........................      17,109             45,937               63,046
Net income (loss).....................       3,240             (8,460)              (5,220)
Equity in net losses..................      (1,091)            (6,482)              (7,573)
Current assets........................      27,293             50,689               77,982
Total assets..........................      48,174            146,483              194,657
Current liabilities...................      19,416             68,474               87,890
Total liabilities.....................      24,987            102,332              127,319
Net assets............................      23,187             44,151               67,338
Ownership interest in equity in net
  assets..............................      14,912             19,513               34,425
</TABLE>
 
<TABLE>
<CAPTION>
                                                  NINE MONTHS ENDED SEPTEMBER 30, 1997
                                        --------------------------------------------------------
                                        MAJORITY OWNED   50% OR LESS OWNED   TOTAL EQUITY METHOD
        EQUITY METHOD ENTITIES             VENTURES          VENTURES             VENTURES
        ----------------------          --------------   -----------------   -------------------
                                                          (IN THOUSANDS)
<S>                                     <C>              <C>                 <C>
Revenue...............................     $34,421           $124,585             $159,006
Gross margin..........................      21,004             50,307               71,311
Net (loss) income.....................     (13,373)             9,693               (3,680)
Equity in net losses..................     (13,275)             2,702              (10,573)
Current assets........................      20,562             56,056               76,618
Total assets..........................      33,977            156,001              189,978
Current liabilities...................      15,233             61,052               76,285
Total liabilities.....................      27,940             87,843              115,783
Net assets............................       6,037             68,158               74,195
Ownership interest in equity in net
  assets..............................       7,475             42,848               50,323
</TABLE>
 
NOTE 4: SUPPLEMENTAL BALANCE SHEET INFORMATION
 
<TABLE>
<CAPTION>
                                                        DECEMBER 31,
                                                     ------------------    SEPTEMBER 30,
                                                      1995       1996          1997
                                                     -------    -------    -------------
                                                               (IN THOUSANDS)
<S>                                                  <C>        <C>        <C>
Accounts receivable consists of:
  Trade accounts receivable........................  $ 1,026    $ 6,769       $11,851
  Value added taxes receivable.....................    1,082      1,971         3,230
  Other receivables................................      894        962         1,005
                                                     -------    -------       -------
                                                       3,002      9,702        16,086
     Less: allowance for doubtful accounts.........       30        782         2,588
                                                     -------    -------       -------
          Total accounts receivable, net...........  $ 2,972    $ 8,920       $13,498
                                                     =======    =======       =======
Property and equipment consists of:
  Telecommunications equipment.....................  $ 9,296    $28,302       $42,360
  Furniture, fixtures and equipment................    4,111      5,877         9,947
  Other property...................................      658        837         1,791
  Construction in process..........................   17,555      7,009        28,087
                                                     -------    -------       -------
                                                      31,620     42,025        82,185
     Less: accumulated depreciation................    2,097      6,562        13,134
                                                     -------    -------       -------
          Total property and equipment, net........  $29,523    $35,463       $69,051
                                                     =======    =======       =======
</TABLE>
 
                                      F-14
<PAGE>   165
 
                         GLOBAL TELESYSTEMS GROUP, INC.
 
           NOTES TO CONSOLIDATED FINANCIAL STATEMENTS -- (CONTINUED)
 
NOTE 5: DEBT OBLIGATIONS
 
     Company debt consists of:
 
<TABLE>
<CAPTION>
                                                        DECEMBER 31,
                                                     ------------------    SEPTEMBER 30,
                                                      1995       1996          1997
                                                     -------    -------    -------------
                                                               (IN THOUSANDS)
<S>                                                  <C>        <C>        <C>
Senior notes of HER, due August 15, 2007 at 11.5%
  interest payable semiannually....................  $    --    $    --      $265,000
Senior subordinated convertible bonds, due June 30,
  2000 at an effective interest rate of 15%, and a
  stated rate of 8.75% - 9.75% payable
  semiannually.....................................       --         --       144,787
Related party debt obligations, with principal
  payments beginning April 1, 1998 and maturing on
  March 31, 2001 at 10% interest, net of
  unamortized discount for 7,778 warrants issued...       --     59,079        68,820
Other financing agreements.........................   27,454     26,468        23,875
                                                     -------    -------      --------
                                                      27,454     85,547       502,482
  Less: debt maturing within one year..............   14,580     21,208        26,575
                                                     -------    -------      --------
          Total long-term debt.....................  $12,874    $64,339      $475,907
                                                     =======    =======      ========
</TABLE>
 
     In the third quarter of 1997, HER issued aggregate principal amount $265.0
million of senior notes due August 15, 2007 (the "Senior Notes"). The Senior
Notes are general unsecured obligations of the subsidiary with interest payable
semiannually at a rate of 11.5%. Approximately $56.6 million of the net proceeds
of the offering of the Senior Notes is being held in escrow for the first four
semiannual interest payments commencing in 1998. HER may redeem the Senior
Notes, in whole or in part, any time on or after August 15, 2007 at specific
redemption prices. HER may also redeem the Senior Notes at a price equal to
111.5% of the principal amount prior to August 15, 2000 with net cash proceeds
of a public equity offering of HER with gross proceeds of at least $75 million
or in certain other circumstances specified in the indenture for the Senior
Notes, provided, however, that at least two-thirds of the principal amount of
the Senior Notes originally issued remain outstanding after each such
redemption. Pursuant to the covenants in the offering, HER has filed a Form S-4
registration statement with the Securities and Exchange Commission to exchange
registered senior notes, with the same terms and conditions as the Senior Notes,
for the Senior Notes.
 
     In July 1997, the Company issued aggregate principal amount $144.8 million
of senior subordinated convertible bonds (the "Bonds") due June 30, 2000. The
Bonds constitute direct, unsecured senior subordinated indebtedness after
existing debt of $82.7 million. Upon completion of a complying public equity
offering as defined in the Bond agreement (an "Offering") or in certain other
circumstances as defined in the Bond agreement, the Bonds may be converted at
the option of the holders from time to time, in whole or in part, prior to the
close of business on June 30, 2000, into shares of the Company's common stock,
par value $0.10 per share. The Bonds will be convertible into such number of
shares of the Company's common stock as is equal to the principal amount of such
Bonds divided by the applicable conversion price, which conversion price shall
be equal to the public offering price of the Company's common stock in the
Offering. The Bonds bear interest payable semiannually at a stated rate of 8.75%
for the first year, 9.25% for the second year and 9.75% for the final year. In
the event of an Offering, the interest rate will remain at the interest rate
prevailing at the time of the Offering until maturity. In the event that an
Offering has not occurred by the maturity date, the Bonds will be redeemed at
121% of their principal amount. As a result of the redemption factor, interest
expense is being accreted at an annual effective rate of 15%.
 
                                      F-15
<PAGE>   166
 
                         GLOBAL TELESYSTEMS GROUP, INC.
 
           NOTES TO CONSOLIDATED FINANCIAL STATEMENTS -- (CONTINUED)
 
     In 1996, the Company entered into long-term obligations ("Debt
Obligations"), totaling $70.0 million, with lenders (the "Lenders"). The Lenders
are affiliated with and are considered related parties to the Company, as a
result of their ownership of the Company's common stock (see Note 12, "Related
Party Transactions"). The Debt Obligations require principal payments beginning
in the third year, to maturity in the fifth year. The Debt Obligations bear an
interest rate of 10.0% and require interest payments beginning in the first
fiscal quarter subsequent to the date of issuance. At the Company's discretion,
the initial interest accrued until the first principal payment can be deferred
until maturity. Upon commencement of principal payments, the Company is
obligated to make concurrent interest payments. Further, in connection with the
Debt Obligations, the Company issued 7,777,776 warrants, valued at $20.7
million, to purchase the Company's common stock. The initial valuation of the
warrants considered the probable reduction of the exercise price. In accordance
with the terms of the warrant agreement, the exercise price of the warrants was
reduced from $10.27 per share to $9.33 per share, as the outstanding debt had
not been repaid prior to December 31, 1996. The warrants may be exercised up to
six years after the date of the relevant agreements. Upon the consummation of
these Debt Obligations, the Company repaid in full the outstanding $9.5 million
interim financing ("Interim Financing") balance outstanding at December 31,
1995, and the 555,555 warrants associated with the interim financing were
canceled. The Company entered into the $10.0 million Interim Financing in
December 1995 in order to provide the Company sufficient working capital to meet
its contractual obligations, until a larger dollar amount and longer-term
maturity debt could be finalized between the Company and the Lenders. The
Company is subject to certain restrictive covenants pursuant to these Debt
Obligations, including restrictions on the payment of dividends and indebtedness
to affiliated ventures.
 
     Certain of the Company's consolidated ventures maintain credit facilities
for their local operations. Borrowings under such credit facilities bear
interest at prevailing negotiated market rates.
 
     Aggregate maturities of long-term debt, as of September 30, 1997, are as
follows: 1998 -- $26.6 million, 1999 -- $25.8 million, 2000 -- $173.9 million,
2001 -- $24.4 million and $265.2 million thereafter.
 
     The Company paid interest of $0.1 million, $0.7 million, $0.2 million and
$0.8 million in 1994, 1995, 1996, and the nine months ended September 30, 1997,
respectively. The Company incurred interest expense of $11.1 million and $21.1
million in 1996 and the nine months ended September 30, 1997, respectively, and
would have recorded $56.2 million and $33.0 million in additional interest
expense in 1996 and the nine months ended September 30, 1997, had the Senior
Notes and Bonds been outstanding on January 1, 1996.
 
NOTE 6: SHAREHOLDERS' EQUITY
 
  Common Stock
 
     The following table summarizes the Company's equity private placements for
the periods ending:
 
<TABLE>
<CAPTION>
                                                SHARES ISSUED    SHARE PRICE     NET PROCEEDS
                                                -------------    ------------    ------------
                                                      (IN THOUSANDS, EXCEPT SHARE DATA)
<S>                                             <C>              <C>             <C>
December 31, 1994.............................   11,499,869      $4.67 - 6.67      $ 62,082
December 31, 1995.............................    5,090,876              9.00        42,138
December 31, 1996.............................    8,348,532             13.33       107,744
September 30, 1997............................    2,502,686             15.67        36,527
</TABLE>
 
     During 1995, the Company issued 400,000 shares of common stock to an
independent third party in connection with the purchase of an interest in a
venture within the CIS region. At the discretion of the holder of these shares,
the Company is obligated to repurchase these shares at the prevailing fair
market value of the Company's common stock on the date of repurchase. During
1995, the Company repurchased 75,000 shares at $10.00 per share and the
repurchased shares became treasury stock. In March 1997, the Company repurchased
32,500 shares at $13.33 per share, and these shares became treasury stock. The
Company will be required to repurchase the remaining shares on an equal basis
over the next three years. During 1997, the
 
                                      F-16
<PAGE>   167
 
                         GLOBAL TELESYSTEMS GROUP, INC.
 
           NOTES TO CONSOLIDATED FINANCIAL STATEMENTS -- (CONTINUED)
 
Company issued 504,600 shares of common stock pursuant to a purchase agreement
with a seller for a portion of their interest in a venture within the CIS
region. Pursuant to the purchase agreement, the Company is obligated to assist
the seller in locating a purchaser for the common stock, and if unable to do so,
to repurchase the issued common stock. Additionally, the Company has accreted
the value of the outstanding common stock subject to repurchase (325,000 shares
on December 31, 1995 and 1996 and 797,100 shares at September 30, 1997), to the
fair value of the Company's common stock as of December 31, 1995 and 1996 and
September 30, 1997 ($10.27, 13.33 and $15.67 per share, respectively).
 
     During 1996, the Company entered into the Debt Obligations totaling $70.0
million with the Lenders. In connection with the Debt Obligations, the Company
issued 7,777,776 warrants to purchase common stock at $10.27 per share. The
exercise price of the warrants was automatically reduced to $9.33 per share as
of December 31, 1996, because the Debt Obligations remained outstanding. The
initial valuation of the warrants considered the probable reduction of the
exercise price. The warrants expire during the first and second quarters of
2002.
 
     The Company does not intend to pay dividends on common stock in the
foreseeable future. In addition, certain of the Company's financing agreements
include covenant restrictions precluding the payment of dividends by the
Company.
 
     The Company has reserved 14,819,867 shares of common stock for issuance
upon conversion of the exercise of outstanding and future stock options,
warrants and common stock put rights.
 
  Preferred Stock
 
     As of December 31, 1995 and 1996 and September 30, 1997, there were
10,000,000 shares of $0.0001 par value preferred stock authorized, with rights
and preferences to be determined by the Board of Directors. As of December 31,
1995 and 1996 and September 30, 1997, no shares of preferred stock had been
issued.
 
NOTE 7: STOCK OPTION PLANS
 
     The Company applies the provisions of APB No. 25 in accounting for its
stock option incentive plans. The effect of applying SFAS No. 123 on the net
loss as reported is not representative of the effects on reported net loss for
future years due to the vesting period of the stock options and the fair value
of additional stock options in future years. Had compensation expense been
determined in accordance with the methodology of SFAS No. 123, the Company's net
loss for the years ended December 31, 1995 and 1996 and for the nine months
ended September 30, 1997 would have been approximately $40.9 million, $69.4
million, and $91.3 million, respectively. The fair value of options granted
during 1995 and 1996 are estimated as $2.19 and $2.93 per share, respectively,
on the date of grant using the minimum value option pricing model with the
following assumptions: dividend yield 0%, risk free interest rate of 5.50% for
1995 and 6.13% for 1996, and an expected life of five years. The fair value of
options granted during the nine months ended September 30, 1997 are estimated as
$7.02 per share, on the date of grant using the Black Scholes option valuation
model with the following assumptions: dividend yield 0%, risk free interest rate
of 5.74%, an expected life of five years, and an expected volatility of .50. The
Company determined its volatility factor with assistance of an investment
banker, based on peer group public companies.
 
     The Company maintains the 1992 Stock Option Plan, the Non-Employee
Directors Stock Option Plan and the GTS Equity Compensation Plan (the "Option
Plans"). As of September 30, 1997, the maximum number of shares of common stock
available for grant under the Option Plans was 8,157,549. All options granted
under the Option Plans are at exercise prices that are at least equal to the
fair market value of common stock at the date of grant. Generally, all options
granted under the Option Plans vest over a three-year period from the date of
grant and expire ten years from the date of grant.
 
                                      F-17
<PAGE>   168
 
                         GLOBAL TELESYSTEMS GROUP, INC.
 
           NOTES TO CONSOLIDATED FINANCIAL STATEMENTS -- (CONTINUED)
 
ADDITIONAL INFORMATION WITH RESPECT TO STOCK OPTION ACTIVITY IS SUMMARIZED AS
FOLLOWS:
 
<TABLE>
<CAPTION>
                                                    YEARS ENDED                                NINE MONTHS ENDED
                                                    DECEMBER 31,                                 SEPTEMBER 30,
                         ------------------------------------------------------------------   --------------------
                                 1994                   1995                   1996                   1997
                         --------------------   --------------------   --------------------   --------------------
                                     WEIGHTED               WEIGHTED               WEIGHTED               WEIGHTED
                                     AVERAGE                AVERAGE                AVERAGE                AVERAGE
                                     EXERCISE               EXERCISE               EXERCISE               EXERCISE
                          SHARES      PRICE      SHARES      PRICE      SHARES      PRICE      SHARES      PRICE
                         ---------   --------   ---------   --------   ---------   --------   ---------   --------
<S>                      <C>         <C>        <C>         <C>        <C>         <C>        <C>         <C>
Outstanding at
  beginning of year....    417,000    $2.25     2,431,800    $3.65     3,422,399    $ 5.56    4,869,360    $ 7.31
Options granted........  2,014,800     3.94     1,210,800     9.04     1,612,962     11.10    1,407,996     13.85
Options exercised......          -        -       (28,001)    4.46       (56,498)     6.70      (89,312)     6.34
Options canceled or
  expired..............          -        -      (192,200)    3.57      (109,503)     8.73     (378,264)     6.65
                         ---------    -----     ---------    -----     ---------    ------    ---------    ------
Outstanding at end of
  year.................  2,431,800    $3.65     3,422,399    $5.56     4,869,360    $ 7.31    5,809,780    $ 8.95
                         =========    =====     =========    =====     =========    ======    =========    ======
Options exercisable at
  year-end.............    353,965    $2.54       995,617    $3.59     1,992,236    $ 4.65    2,759,906    $ 5.78
</TABLE>
 
     The following table summarizes information about stock options outstanding:
 
<TABLE>
<CAPTION>
                                                  OPTIONS OUTSTANDING
                                       -----------------------------------------
                                                         WEIGHTED                   OPTIONS EXERCISABLE
                                                         AVERAGE                   ----------------------
                                                        REMAINING       WEIGHTED                 WEIGHTED
                                                       CONTRACTUAL      AVERAGE                  AVERAGE
                                         NUMBER            LIFE         EXERCISE     NUMBER      EXERCISE
       RANGE OF EXERCISE PRICE         OUTSTANDING      (IN YEARS)       PRICE     EXERCISABLE    PRICE
       -----------------------         -----------   ----------------   --------   -----------   --------
<S>                                    <C>           <C>                <C>        <C>           <C>
At September 30, 1997:
  $1.42 to $2.75.....................   1,446,000           6            $ 2.69     1,371,000     $ 2.68
  $4.67 to $9.00.....................   1,270,650           7              7.88       888,527       7.77
  $10.00 to $15.67...................   3,093,130           8             12.32       500,379      10.71
                                        ---------                                   ---------
                                        5,809,780           7            $ 8.95     2,759,906     $ 5.78
                                        =========                                   =========
</TABLE>
 
     In addition, prior to the establishment of the Option Plans, certain
options were granted in 1991 to certain key employees and former employees to
purchase 1,172,250 shares of the Company's common stock at an exercise price of
$0.53 per share. All options were granted at an exercise price equal to the fair
value of the underlying common stock at the date of grant. The options vested in
equal increments over a three-year period. During 1993, 603,000 of the options
were canceled and in 1994, 50,250 options were exercised, leaving 519,000 fully
vested options outstanding at December 31, 1995 and 1996 and September 30, 1997.
 
     Certain of the Company's subsidiaries and ventures have stock option plans,
or similar agreements, in place or in the process of being implemented for key
officers and employees. The ownership dilution caused by such plans is not
expected to be significant. During the fourth quarter of 1997, one of the
Company's consolidated subsidiaries issued options that will result in a
non-cash charge of approximately $3.7 million of which $2.6 million is expected
to be recorded during the fourth quarter and the remaining $1.1 million will be
recognized principally ratably over fiscal 1998.
 
NOTE 8: EMPLOYEE BENEFIT PLAN
 
     The Company has a 401(k) retirement savings plan (the "Savings Plan")
covering all U.S. citizen employees. The Savings Plan qualifies under section
401(k) of the Internal Revenue Code and as such, participants may defer pretax
income in accordance with federal income tax limitations. The Company provides a
50.0% matching contribution on the first 5.0% contributed by the employee. The
Company may also, at its discretion, make non-matching contributions. Both
matching and non-matching contributions by
 
                                      F-18
<PAGE>   169
 
                         GLOBAL TELESYSTEMS GROUP, INC.
 
           NOTES TO CONSOLIDATED FINANCIAL STATEMENTS -- (CONTINUED)
 
the Company vest 100% after three years of service. The Company's expense under
the Savings Plan was less than $0.1 million, $0.1 million, $0.2 million and $0.2
million for the years ended December 31, 1994, 1995 and 1996, and the nine
months ended September 30, 1997, respectively. The Company made no discretionary
(non-matching) contributions in 1994, 1995, 1996 or in the nine months ended
September 30, 1997.
 
     HER established a pension plan in 1995 that covers all HER employees upon
twenty-five years of age and at least one year of service. HER has entered into
an insurance arrangement (an annuity contract) whereby an insurance provider has
undertaken a legal obligation to provide specific benefits to participants in
return for a fixed premium. As such, HER no longer bears any financial risk for
its pension plan.
 
NOTE 9: OTHER NON-OPERATING INCOME
 
     Favorably affecting the 1995 results was the non-recurring $10.3 million
gain the Company recognized as a result of its cash settlement of certain claims
with a third party in 1995.
 
NOTE 10: INCOME TAXES
 
     The components of loss before income taxes and minority interest were as
follows:
 
<TABLE>
<CAPTION>
                                     DECEMBER 31,   DECEMBER 31,   DECEMBER 31,   SEPTEMBER 30,
           PERIOD ENDED,                 1994           1995           1996           1997
           -------------             ------------   ------------   ------------   -------------
                                                           (IN THOUSANDS)
<S>                                  <C>            <C>            <C>            <C>
Pretax loss:
  Domestic.........................    $ (8,996)       (22,398)      $(41,554)      $(41,991)
  Foreign..........................      (2,989)       (15,437)       (25,077)       (45,013)
                                       --------       --------       --------       --------
                                       $(11,985)      $(37,835)      $(66,631)      $(87,004)
                                       ========       ========       ========       ========
</TABLE>
 
     For the years ended December 31, 1995 and 1996 and the nine months ended
September 30, 1997, the Company recorded $2.6 million, $1.4 million and $1.8
million, respectively, in income tax expense that related exclusively to its
current provision for foreign taxes. The Company did not have income tax expense
for 1994.
 
     The reconciliation of the U.S. statutory federal tax rate of 34.0% to the
Company's effective tax rate is as follows:
 
<TABLE>
<CAPTION>
                                 DECEMBER 31,          DECEMBER 31,         SEPTEMBER 30,
                                     1995                  1996                  1997
                              ------------------    ------------------    ------------------
       PERIOD ENDED,           AMOUNT    PERCENT     AMOUNT    PERCENT     AMOUNT    PERCENT
       -------------          --------   -------    --------   -------    --------   -------
                                                      (IN THOUSANDS)
<S>                           <C>        <C>        <C>        <C>        <C>        <C>
Taxes at U.S. statutory
  rates.....................   (12,865)    34.0%     (22,655)    34.0%    $(29,581)    34.0%
Foreign operating losses
  generating no tax
  benefit...................     6,550    (17.3)       8,526    (12.8)      15,304    (17.6)
Domestic operating losses
  generating no tax
  benefit...................     6,315    (16.7)      14,129    (21.2)      14,277    (16.4)
Other -- net................     2,565     (6.8)       1,360     (2.1)       1,838     (2.1)
                              --------    -----     --------    -----     --------    -----
                                $2,565     (6.8)%     $1,360     (2.1)%     $1,838     (2.1)%
                              ========    =====     ========    =====     ========    =====
</TABLE>
 
                                      F-19
<PAGE>   170
 
                         GLOBAL TELESYSTEMS GROUP, INC.
 
           NOTES TO CONSOLIDATED FINANCIAL STATEMENTS -- (CONTINUED)
 
     Deferred tax assets and liabilities are recorded based on temporary
differences between earnings as reported in the financial statements and
earnings for income tax purposes. The following table summarizes major
components of the Company's deferred tax assets and liabilities:
 
<TABLE>
<CAPTION>
                                                 DECEMBER 31,   DECEMBER 31,   SEPTEMBER 30,
                                                     1995           1996           1997
                                                 ------------   ------------   -------------
                                                               (IN THOUSANDS)
<S>                                              <C>            <C>            <C>
Deferred tax assets:
  Net operating loss carryforwards.............    $ 10,106       $ 20,720       $ 31,440
  Other deferred tax assets....................         245          1,326          3,304
                                                   --------       --------       --------
Total deferred tax asset.......................      10,351         22,046         34,744
Deferred tax liability.........................         724          1,161          2,267
                                                   --------       --------       --------
Net deferred tax asset.........................       9,627         20,885         32,477
  Less: valuation allowance....................      (9,627)       (20,885)       (32,477)
                                                   --------       --------       --------
          Total................................    $     --       $     --       $     --
                                                   ========       ========       ========
</TABLE>
 
     As of September 30, 1997, the Company had net operating loss carryforwards
for U.S. federal income tax purposes of approximately $92.5 million expiring in
fiscal years 2003 through 2012. Because of the "change in ownership" provisions
of the Tax Reform Act of 1986, the utilization of the Company's net operating
loss carryforwards will be subject to an annual limitation.
 
     The Company's investment in EDN Sovintel is treated for U.S. tax purposes
as a partnership and, therefore, the Company's share of EDN Sovintel's income or
loss flows through to the Company's consolidated federal income tax return on a
current basis. Undistributed earnings of the Company's other foreign investments
are considered to be indefinitely reinvested and, accordingly, no provision for
U.S. federal and state income taxes, or foreign withholding taxes has been made.
Upon distribution of those earnings, the Company would be subject to foreign
withholding taxes and U.S. income taxes (subject to reduction for foreign tax
credits).
 
     Certain ventures in the CIS and Hungary are operating under tax holidays
granted by the local governments. Tax holidays are for periods ranging from up
to five years to several years after achieving profitability under local tax
regulations. In addition to these tax holidays, certain of the Company's foreign
ventures have foreign tax loss carryforwards in excess of $50.0 million. The
Company's financial statements do not reflect any provision for benefits that
might be associated with such loss carryforwards.
 
NOTE 11: COMMITMENTS AND CONTINGENCIES
 
  Operating Leases
 
     Operating lease commitments are primarily for office space and equipment.
Rental expense aggregated $0.7 million, $2.0 million, $2.2 million and $2.3
million for the years ended December 31, 1994, 1995, and 1996, and the nine
months ended September 30, 1997, respectively.
 
     Future minimum lease payments under these non-cancelable operating leases
with terms of one year or more, as of September 30, 1997, are as follows:
1998 -- $3.5 million, 1999 -- $2.7 million, 2000 -- $1.5 million, 2001 -- $1.0
million, 2002 -- $0.4 million and thereafter -- $1.0 million.
 
  Other Commitments and Contingencies
 
     As of September 30, 1997, the Company purchased the remaining interest in
one of its subsidiaries within the CIS region for $5.2 million, which was paid
in October 1997. Furthermore, the Company is required to pay additional
consideration of a minimum of $2.4 million if certain revenue levels are met,
certain other
 
                                      F-20
<PAGE>   171
 
                         GLOBAL TELESYSTEMS GROUP, INC.
 
           NOTES TO CONSOLIDATED FINANCIAL STATEMENTS -- (CONTINUED)
 
events occur or if neither has occurred, on April 1, 1999. The purchase price
and consideration have been allocated to net assets based on the fair value at
the date of acquisition. The excess of the purchase price over the fair value of
the net assets acquired was $5.9 million, which has been recorded as goodwill
and is being amortized on a straight-line basis over five years.
 
     The Company had no significant commitments to its ventures for future
contract obligations as of September 30, 1997.
 
     In the ordinary course of business, the Company has issued financial
guarantees on debt and equities for the benefit of certain of its
non-consolidated ventures. The total amount guaranteed at September 30, 1997 was
approximately $15.3 million. In addition, certain ventures are currently
negotiating other financing instruments in which the Company will guarantee upon
perfection of the obligations.
 
  Major Customers
 
     In 1995, the Company had one major customer, a foreign governmental agency
in Central Europe, representing $2.7 million, or 32.1%, of total revenue. In
1996, the Company had two major customers, a foreign governmental agency in
Central Europe and a customer in the CIS, representing $3.8 million, or 15.8%,
of total revenue and $2.6 million, or 10.8%, of total revenue, respectively. For
the nine months ended September 30, 1997, the Company had one major customer, a
foreign governmental agency in Central Europe, representing $3.1 million, or
10.3%, of total revenue.
 
  Tax Matters
 
     The taxation system in Russia ("Russian Taxes") is evolving as the central
government transforms itself from a command to a market oriented economy. The
Russian Federation has introduced and continues to introduce new tax and royalty
laws and related regulations. These laws and regulations are not always clearly
written and their interpretation is subject to the opinions of the local tax
inspectors, Central Bank officials and the Ministry of Finance. Instances of
inconsistent opinions between local, regional and federal tax authorities and
between the Central Bank and Ministry of Finance are not unusual.
 
     The Company's policy is to accrue for contingencies in the accounting
period in which a liability is deemed probable and the amount is reasonably
determinable. In this regard, because of the uncertainties associated with the
Russian Taxes, the Company's Russian Taxes may be in excess of the estimated
amount expensed to date and accrued at December 31, 1995 and 1996 and September
30, 1997. It is the opinion of management that the ultimate resolution of the
Company's Russian Tax liability, to the extent not previously provided for, will
not have a material effect on the financial condition of the Company. However,
depending on the amount and timing of an unfavorable resolution of this
contingency, it is possible that the Company's future results of operations or
cash flows could be materially affected in a particular period.
 
     In various foreign jurisdictions, the Company is obligated to pay value
added taxes ("VAT") on the purchase or importation of assets, and for certain
other transactions. In many instances, VAT can be offset against VAT the Company
collects and otherwise would remit to the tax authorities, or may be refundable.
Because the law in some jurisdictions is unclear, the local tax authorities
could assert that the Company is obligated to pay additional amounts of VAT. In
the opinion of management, any additional VAT the Company may be obligated to
pay would not be material.
 
  Other Matters
 
     In the ordinary course of business, the Company may be party to various
legal and tax proceedings, and subject to claims, certain of which relate to the
developing markets and evolving fiscal and regulatory environments in which the
Company operates. In the opinion of management, the Company's liability, if any,
 
                                      F-21
<PAGE>   172
 
                         GLOBAL TELESYSTEMS GROUP, INC.
 
           NOTES TO CONSOLIDATED FINANCIAL STATEMENTS -- (CONTINUED)
 
in all pending litigation, other legal proceeding or other matter other than
what is discussed above, will not have a material effect upon the financial
condition, results of operations or liquidity of the Company.
 
NOTE 12: RELATED PARTY TRANSACTIONS
 
     As discussed within Note 5, "Debt Obligations," the Company entered into an
Interim Financing agreement and Debt Obligations during 1995 and 1996,
respectively, with the Lenders. The Lenders are shareholders of the Company. As
part of these transactions, the Company provided one of the Lenders with the
opportunity, at its discretion, to co-invest with the Company in all of the
Company's new ventures within the Asia region.
 
     During 1996 and 1997, the Company, in connection with a venture investment,
entered into two financing agreements with a shareholder of the Company for a
total of approximately $8.6 million. Subject to certain conditions, the
shareholder has the right to require the repayment of this amount in cash or
713,310 shares of the Company's common stock. This amount has been included in
"Other financing agreements" (see Note 5, "Debt Obligations").
 
     The Company has entered into certain consulting agreements with directors
of the Company and paid $0.1 million, $0.2 million, $0.2 million and $0.3
million in 1994, 1995, 1996, and the nine months ended September 30, 1997,
respectively, pursuant to those agreements.
 
     The Company had notes receivable due from employees aggregating $0.2
million, $0.1 million and less than $0.1 million as of December 31, 1995 and
1996, and September 30, 1997, respectively, with no single amount due from any
individual in excess of $0.1 million.
 
     The Company derived revenue from affiliates of $3.3 million and $3.1
million in 1996 and the nine months ended September 30, 1997, respectively.
There was no significant revenue earned from affiliate sales in 1995 and 1994.
 
                                      F-22
<PAGE>   173
 
                         GLOBAL TELESYSTEMS GROUP, INC.
 
           NOTES TO CONSOLIDATED FINANCIAL STATEMENTS -- (CONTINUED)
 
NOTE 13: SUPPLEMENTAL CASH FLOW INFORMATION
 
     The Company paid interest of $0.1 million, $0.7 million, $0.2 million and
$0.8 million in 1994, 1995, 1996 and the nine months ended September 30, 1997,
respectively. The following table summarizes non-cash investing and financing
activities for the Company:
 
<TABLE>
<CAPTION>
                                                                     PERIOD ENDED
                                                             -----------------------------
                                                             DECEMBER 31,    SEPTEMBER 30,
                                                                 1996            1997
                                                             ------------    -------------
                                                                    (IN THOUSANDS)
<S>                                                          <C>             <C>
Purchase of additional interest in Western Europe region
  subsidiary with conversion of debt to equity.............     $   --          $9,139
Line of credit issued as payment on note payable and
  reclassification of restricted cash......................         --           7,887
Purchase of the remaining interest of a CIS region
  subsidiary with a note payable...........................         --           5,249
Conversion of a note payable to stock as additional
  consideration in relation to purchase of interest in a
  CIS region subsidiary....................................      4,497           4,250
Note payable issued for additional capital infusion in CIS
  region subsidiary........................................      4,500           4,125
Additional consideration due in relation to purchase of the
  remaining interest in a CIS region subsidiary............         --           2,443
Contribution of fixed asset for the stock of a Western
  Europe region subsidiary.................................         --           1,989
Compensatory stock options.................................         --           3,390
Accretion of stock.........................................        996           1,860
Additional consideration due in relation to purchase of
  interest in a CIS region subsidiary......................         --           1,528
</TABLE>
 
     No significant non-cash investing activities were incurred for the years
ended December 31, 1994 and 1995.
 
                                      F-23
<PAGE>   174
 
                         GLOBAL TELESYSTEMS GROUP, INC.
 
           NOTES TO CONSOLIDATED FINANCIAL STATEMENTS -- (CONTINUED)
 
NOTE 14: SEGMENT INFORMATION AND CERTAIN GEOGRAPHICAL DATA
 
     The Company operates predominantly in a single industry segment, the
telecommunications industry. The industry consists of a wide range of
telecommunications services to international business customers, including long
distance voice and data services and electronic messaging services. The
following tables present consolidated financial information by geographic area
for 1994, 1995, 1996 and the nine months ended September 30, 1997. Transfers
between geographic areas were not considered material for disclosure purposes.
 
<TABLE>
<CAPTION>
                                                                                CORPORATE
                                   WESTERN               CENTRAL                 OFFICE &
                                    EUROPE      CIS       EUROPE      ASIA     ELIMINATIONS    TOTAL
                                   --------   --------   --------   --------   ------------   --------
                                                             (IN THOUSANDS)
<S>                                <C>        <C>        <C>        <C>        <C>            <C>
Year Ended December 31, 1994
  Total revenue..................  $     --   $     --   $  1,295   $     --     $  1,173     $  2,468
  Gross margin...................        --         --       (179)        --          202           23
  Operating loss.................      (546)    (1,802)    (1,122)        --       (9,528)     (12,998)
  Net loss.......................      (423)      (939)    (1,661)        --       (8,962)     (11,985)
  Identifiable assets............     2,173     15,423      9,297         --       35,064       61,957
  Liabilities....................        --      3,921      6,501         --       (3,157)       7,265
  Net assets.....................     2,173     11,502      2,796         --       38,221       54,692
Year Ended December 31, 1995
  Total revenue..................  $    179   $  3,838   $  4,361   $    140     $   (106)    $  8,412
  Gross margin...................      (318)      (949)     1,380          9         (106)          16
  Operating loss.................    (5,469)   (16,681)    (6,312)    (4,831)     (15,578)     (48,871)
  Net loss.......................    (5,452)   (19,415)    (7,091)    (4,771)      (3,671)     (40,400)
  Identifiable assets............     5,898     73,816     15,639      9,167       11,101      115,621
  Liabilities....................    11,766     78,440     26,834     13,936      (75,950)      55,026
  Net (liabilities)/assets.......    (5,868)    (4,624)   (11,195)    (4,769)      87,051       60,595
Year Ended December 31, 1996
  Total revenue..................  $     --   $ 12,696   $  9,355   $  1,561     $    505     $ 24,117
  Gross margin...................        --        811      3,292        652          421        5,176
  Operating loss.................   (10,679)   (14,608)    (4,651)    (5,057)     (22,934)     (57,929)
  Net loss.......................   (10,700)   (15,572)    (5,295)    (4,951)     (31,473)     (67,991)
  Identifiable assets............    19,607     96,773     17,339     14,973       88,686      237,378
  Liabilities....................    35,728    116,961     33,826     24,753      (93,806)     117,462
  Net (liabilities)/assets.......   (16,121)   (20,188)   (16,487)    (9,780)     182,492      119,916
Nine Months Ended September 30,
  1997
  Total revenue..................  $  2,262   $ 17,786   $  9,460   $    556     $    152     $ 30,216
  Gross margin...................    (3,231)     1,325      3,724       (105)         151        1,864
  Operating loss.................   (16,382)    (6,198)    (5,042)   (25,456)     (17,024)     (70,102)
  Net loss.......................   (17,329)    (7,853)    (6,776)   (25,400)     (30,514)     (87,872)
  Identifiable assets............   359,499    101,976     16,637     (6,919)     176,595      647,788
  Liabilities....................   333,906    128,360     41,067     16,984       37,304      557,621
  Net (liabilities)/assets.......    25,593    (26,384)   (24,430)   (23,903)     139,291       90,167
</TABLE>
 
NOTE 15: SUBSEQUENT EVENTS
 
  Financing Transactions
 
     In connection with the purchase of certain equipment and services for
certain cellular ventures within the CIS region, the Company entered into a
credit agreement with a bank totaling up to $30.7 million in 1996.
 
                                      F-24
<PAGE>   175
 
                         GLOBAL TELESYSTEMS GROUP, INC.
 
           NOTES TO CONSOLIDATED FINANCIAL STATEMENTS -- (CONTINUED)
 
Subsequent to September 30, 1997, certain conditions precedent were finalized
which allowed funding under the facility. Initial loans of $7.5 million were
incurred at an initial interest rate based on the Eurodollar rate, with
principal and interest payments due semiannually beginning June 15, 1998 through
December 15, 2002. The initial interest rate was 6.04%, which is reset
semiannually.
 
  Contractual Commitments
 
     Subsequent to September 30, 1997, a subsidiary of the Company entered into
contractual commitments to lease fiber pairs, including facilities and
maintenance and utilizing the partial routes for laying fiber optic cable. Based
on the contract provisions, these commitments are currently estimated to
aggregate approximately $98.0 million. The commitments have expected lease terms
of three to twenty years with options for renewal rights of five additional
years. As of September 30, 1997, the subsidiary made prepayments of
approximately $6.4 million related to the above leases.
 
  Equity Transactions
 
     On December 1, 1997, the Company filed an amendment to its Certificate of
Incorporation to reflect an increase in the authorized common shares from
60,000,000 to 135,000,000; a 3 for 2 common share stock split, 1 1/2 common
shares for every common share issued and outstanding; and an increase in the par
value of its authorized common shares from $0.0001 to $.10, on a post-split
basis. Accordingly, the Company has presented share and per share data on a
restated basis to give effect to the increase in authorized common shares, the
stock split and the increase in par value for its capital stock.
 
                                      F-25
<PAGE>   176
 
                                  EDN SOVINTEL
 
                              FINANCIAL STATEMENTS
                  YEARS ENDED DECEMBER 31, 1996, 1995 AND 1994
 
                                      F-26
<PAGE>   177
 
                         REPORT OF INDEPENDENT AUDITORS
 
The Board of Directors and Owners
EDN Sovintel
 
     We have audited the accompanying balance sheets of EDN Sovintel as of
December 31, 1996 and 1995, and the related statements of income and retained
earnings, and cash flows for each of the three years in the period ended
December 31, 1996. These financial statements are the responsibility of the
Company's management. Our responsibility is to express an opinion on these
financial statements based on our audits.
 
     We conducted our audits in accordance with auditing standards generally
accepted in the United States of America. Those standards require that we plan
and perform the audit to obtain reasonable assurance about whether the financial
statements are free of material misstatement. An audit includes examining, on a
test basis, evidence supporting the amounts and disclosures in the financial
statements. An audit also includes assessing the accounting principles used and
significant estimates made by management, as well as evaluating the overall
financial statement presentation. We believe that our audits provide a
reasonable basis for our opinion.
 
     In our opinion, the financial statements referred to above present fairly,
in all material respects, the financial position of EDN Sovintel at December 31,
1996 and 1995, and the results of its operations and its cash flows for each of
the three years in period ended December 31, 1996, in conformity with accounting
principles generally accepted in the United States of America.
 
     We have also audited the financial statements of the Company at December
31, 1996, 1995 and 1994 and for each of the three years ended December 31, 1996,
not presented herewith, prepared in compliance with the regulations for
bookkeeping and accounting for income tax and statutory reporting purposes in
the Russian Federation on which we expect to report separately for the 1996
audited financial statements and have reported separately for the 1995 and 1994
financial statements. The significant differences between the accounting
principles applied for preparing the statutory financial statements and
accounting principles generally accepted in the United States of America are
summarized in Note 2, "Basis of Presentation."
 
                                            Ernst & Young (CIS) Ltd.
 
Moscow, Russia
February 21, 1997
 
                                      F-27
<PAGE>   178
 
                                  EDN SOVINTEL
 
                                 BALANCE SHEETS
 
                                     ASSETS
 
<TABLE>
<CAPTION>
                                                                 DECEMBER 31,
                                                              ------------------
                                                               1996       1995
                                                              -------    -------
                                                               (IN THOUSANDS OF
                                                                 US DOLLARS)
<S>                                                           <C>        <C>
Current assets:
  Cash and cash equivalents.................................  $ 3,606    $ 3,094
  Cash deposit with related party...........................      476
  Accounts receivable, net of allowances....................   15,329      7,400
  Due from affiliates.......................................    1,879      1,196
  Inventories...............................................    1,749        938
  Prepaid expenses and other assets.........................    2,328      1,540
                                                              -------    -------
          Total current assets..............................   25,367     14,168
Property and equipment, net.................................   27,709     21,349
Deferred expenses...........................................    1,080      1,215
                                                              -------    -------
          Total assets......................................  $54,156    $36,732
                                                              =======    =======
 
                      LIABILITIES AND SHAREHOLDERS' EQUITY
 
Current liabilities:
  Note due shareholder......................................  $ 5,700    $ 5,500
  Trade payables............................................    8,382      8,761
  Accrued liabilities and other payables....................    1,130        701
  Taxes accrued or payable..................................    1,086      1,019
  Amounts due to shareholder and affiliates.................    5,703      2,664
  Current portion of amount due to partner in commercial
     venture................................................    1,350
  Current portion of long-term debt.........................                 694
                                                              -------    -------
          Total current liabilities.........................   23,351     19,339
Amount due to partner in commercial venture.................               1,350
Commitments and contingencies
Shareholders' equity:
  Capital contributions.....................................    2,000      2,000
  Retained earnings.........................................   28,805     14,043
                                                              -------    -------
          Total shareholders' equity........................   30,805     16,043
                                                              -------    -------
          Total liabilities and shareholders' equity........  $54,156    $36,732
                                                              =======    =======
</TABLE>
 
                            See accompanying notes.
                                      F-28
<PAGE>   179
 
                                  EDN SOVINTEL
 
                   STATEMENTS OF INCOME AND RETAINED EARNINGS
 
<TABLE>
<CAPTION>
                                                                 YEAR ENDED DECEMBER 31,
                                                              -----------------------------
                                                               1996       1995       1994
                                                              -------    -------    -------
                                                              (IN THOUSANDS OF US DOLLARS)
<S>                                                           <C>        <C>        <C>
Revenues, net:
  Service revenues..........................................  $63,488    $29,920    $19,674
  Installation revenues.....................................    9,312     12,981
  Product sales.............................................    2,240      1,391      1,054
                                                              -------    -------    -------
                                                               75,040     44,292     20,728
                                                              -------    -------    -------
Cost of revenues:
  Service costs.............................................   37,884     18,545     11,814
  Cost of installation......................................    4,656      6,491
  Cost of products..........................................    1,370      1,211        705
                                                              -------    -------    -------
                                                               43,910     26,247     12,519
                                                              -------    -------    -------
Gross profit................................................   31,130     18,045      8,209
Selling, general and administrative expenses................   10,291      7,145      4,644
Interest expense............................................      638        703        612
Interest income.............................................      (87)       (59)       (24)
Other loss (income).........................................      120        (98)      (113)
Foreign exchange loss on net monetary items.................      252        112        467
                                                              -------    -------    -------
Income before taxes.........................................   19,916     10,242      2,623
Income taxes................................................    5,154      2,594
                                                              -------    -------    -------
Net income..................................................   14,762      7,648      2,623
Retained earnings, beginning of year........................   14,043      6,395      3,772
                                                              -------    -------    -------
Retained earnings, end of year..............................  $28,805    $14,043    $ 6,395
                                                              =======    =======    =======
</TABLE>
 
                            See accompanying notes.
                                      F-29
<PAGE>   180
 
                                  EDN SOVINTEL
 
                            STATEMENTS OF CASH FLOWS
 
<TABLE>
<CAPTION>
                                                                 YEAR ENDED DECEMBER 31,
                                                              ------------------------------
                                                                1996       1995       1994
                                                              --------    -------    -------
                                                               (IN THOUSANDS OF US DOLLARS)
<S>                                                           <C>         <C>        <C>
Operating activities
  Net income................................................  $ 14,762    $ 7,648    $ 2,623
  Adjustments to reconcile net income to net cash provided
     by operating activities:
     Depreciation and amortization..........................     3,638      2,448      1,929
     Provision for doubtful accounts........................       678        132        303
     Write-off of accounts receivable.......................      (147)      (492)
     Write-down of network equipment and inventories........       100        196        170
     Foreign exchange loss..................................       252        112        467
  Changes in operating assets and liabilities:
     Accounts receivable, net of allowances.................    (8,460)    (2,759)      (358)
     Due from affiliates....................................      (683)    (1,011)      (172)
     Inventories............................................      (911)      (309)        77
     Advances to related party..............................                            (376)
     Prepaid expenses and other assets......................    (1,054)      (307)      (712)
     Trade payables.........................................      (193)     2,983      2,176
     Accrued liabilities and other payables.................       429        586       (591)
     Taxes accrued or payable...............................       207        876
     Amounts due to shareholder and affiliates..............     3,039      2,165        499
     Other..................................................                            (132)
                                                              --------    -------    -------
          Net cash provided by operating activities.........    11,657     12,268      5,903
Investing activities -- Purchases of and advances for
  property and equipment....................................    (9,863)    (9,259)    (5,729)
Financing activities
  Borrowings from shareholder...............................    11,300     11,888      2,883
  Repayments to shareholder.................................   (11,100)    (9,271)
  Repayments of long-term debt..............................      (694)    (3,979)    (3,979)
  Increase in cash deposited with related party.............      (476)
                                                              --------    -------    -------
          Net cash used in financing activities.............      (970)    (1,362)    (1,096)
Effect of exchange rate changes on cash and cash
  equivalents...............................................      (312)                 (220)
                                                              --------    -------    -------
Net increase (decrease) in cash and cash equivalents........       512      1,647     (1,142)
Cash and cash equivalents at beginning of year..............     3,094      1,447      2,589
                                                              --------    -------    -------
Cash and cash equivalents at end of year....................  $  3,606    $ 3,094    $ 1,447
                                                              ========    =======    =======
</TABLE>
 
                            See accompanying notes.
                                      F-30
<PAGE>   181
 
                                  EDN SOVINTEL
 
                         NOTES TO FINANCIAL STATEMENTS
              (US DOLLAR AMOUNTS IN TABLES EXPRESSED IN THOUSANDS)
 
1. DESCRIPTION OF BUSINESS
 
     EDN Sovintel (the "Company") was created in August 1990 to design,
construct, and operate a telecommunications network in Moscow. This network
provides worldwide communications services, principally to major hotels,
business offices and mobile communication companies. Telecommunications services
are subject to local licensing. The Company's license for international,
intercity and local calls was most recently renewed on November 4, 1996 and is
valid until January 5, 2000. The Company received a license for leased lines on
September 20, 1996 valid for 5 years. The Company began operating in December
1991, providing services under long-term contracts payable in US dollars.
 
     The Company initially registered as a limited liability Russian-American
joint venture. The venture re-registered as a limited liability Russian company
in October 1992. The Company is fifty-percent owned by Open Joint Stock Company
"Rostelecom", an intercity and long-distance carrier which is 51% owned by the
Russian Government, and fifty-percent owned by Sovinet, a US general
partnership, owned by two wholly-owned Global TeleSystems Group, Inc. ("GTS")
subsidiaries.
 
2. BASIS OF PRESENTATION
 
     The Company maintains its records and prepares its financial statements in
Russian roubles in accordance with the requirements of Russian accounting and
tax legislation. The accompanying financial statements differ from the financial
statements used for statutory purposes in Russia in that they reflect certain
adjustments, not recorded on the Company's books, which are appropriate to
present the financial position, results of operations and cash flows in
accordance with generally accepted accounting principles in the United States of
America ("US GAAP"). The principal adjustments are related to foreign currency
translation, and depreciation and valuation of property and equipment.
 
3. SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES
 
  Use of Estimates
 
     The preparation of financial statements, in conformity with US GAAP,
requires management to make estimates and assumptions that affect the amounts
reported in the financial statements and accompanying notes. Actual results
could differ from those estimates.
 
  Foreign Currency Translation
 
     The Company's functional currency is the US dollar because the majority of
its revenues, costs, property and equipment purchased, and debt and trade
liabilities are either priced, incurred, payable or otherwise measured in US
dollars. Accordingly, transactions and balances not already measured in US
dollars (primarily Russian roubles) have been remeasured into US dollars in
accordance with the relevant provisions of US Financial Accounting Standard
("FAS") No. 52, "Foreign Currency Translation".
 
     Under FAS No. 52, revenues, costs, capital and non-monetary assets and
liabilities are translated at historical exchange rates prevailing on the
transaction dates. Monetary assets and liabilities are translated at exchange
rates prevailing on the balance sheet date. Exchange gains and losses arising
from remeasurement of monetary assets and liabilities that are not denominated
in US dollars are credited or charged to operations.
 
     The rouble is not a convertible currency outside the territory of Russia.
Within Russia its official exchange rates were determined principally through
trading on Moscow Interbank Currency Exchange ("MICEX") until May 17, 1996.
Although MICEX rates did occasionally diverge from market rates, they were
generally considered to be a reasonable approximation. Beginning May 17, 1996,
official exchange rates
                                      F-31
<PAGE>   182
 
                                  EDN SOVINTEL
 
                  NOTES TO FINANCIAL STATEMENTS -- (CONTINUED)
 
3. SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES -- (CONTINUED)
were determined daily by the Central Bank of Russia ("CBR") and are generally
considered to be a reasonable approximation of market rates. The translation of
rouble denominated assets and liabilities into US dollars for the purpose of
these financial statements does not indicate that the Company could realize or
settle in US dollars the reported values of the assets and liabilities.
Likewise, it does not indicate that the Company could return or distribute the
reported US dollar values of capital and retained earnings to its shareholders.
 
     The exchange rate used for translation purposes is the CBR rate as of
December 31, 1996 and the MICEX rate as of December 31, 1995 and 1994. The rates
at December 31, 1996, 1995 and 1994 for one US dollar were RUR 5,560, RUR 4,640
and RUR 3,550, respectively. At February 21, 1997, the CBR rate had changed to
RUR 5,665. The effect of this devaluation of the rouble on monetary assets and
liabilities has not been determined.
 
  Cash and Cash Equivalents
 
     Cash and cash equivalents consist of cash on hand and in the bank.
 
  Accounts Receivable
 
     Accounts receivable are shown at their net realizable value which
approximates their fair value. Accounts receivable are shown in the balance
sheet net of an allowance for uncollectible accounts of $900,000 and $369,000 at
December 31, 1996 and 1995, respectively.
 
  Inventories
 
     Inventories consist of telecommunications equipment held for resale and are
stated at the lower of cost or market. Cost is computed on a weighted average
basis.
 
  Property and Equipment
 
     Property and equipment are recorded at their historical cost. Depreciation
and amortization are provided on the straight-line method over the following
estimated useful lives:
 
<TABLE>
<S>                                                         <C>
Network equipment.......................................     10 years
Other property and equipment............................    3-5 years
</TABLE>
 
     There is no depreciation charge for construction-in-progress. Depreciation
commences upon completion of the related project.
 
  Deferred Expenses
 
     Deferred expenses represent the Company's interest in the historical cost
of network equipment owned by MTU Inform, a partner in a commercial venture
(Note 8). These expenses are amortized over the equipment's useful life of 10
years.
 
  Revenue Recognition and Taxes on Revenue
 
     Service revenues from telecommunication traffic and periodic fixed fees are
recognized in the period in which the traffic occurs or the fixed fee earned.
Installation revenues represent connection fees and are recognized in the period
of installation. Product sales are recognized in the period in which the
products are shipped to customers. Revenues are stated net of any value-added
taxes ("VAT") charged to customers. Certain other taxes on revenues were charged
at rates ranging from 1.5% to 4.0% over the three year period ending December
31, 1996 and amounted to $2,792,000, $1,166,000 and $336,000 in 1996, 1995 and
1994, respectively, and are charged to selling, general and administrative
expenses.
 
                                      F-32
<PAGE>   183
 
                                  EDN SOVINTEL
 
                  NOTES TO FINANCIAL STATEMENTS -- (CONTINUED)
 
3. SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES -- (CONTINUED)
  Advertising
 
     The Company expenses the cost of advertising as incurred. Advertising
expenses for the years ended December 31, 1996, 1995 and 1994 were $512,000,
$395,000 and $270,000, respectively, and are included in selling, general and
administrative expenses.
 
  Investment Incentive Deductions
 
     Russian legislation allows for certain additional tax deductions related to
new asset investments. These deductions are accounted for as a reduction to
current income taxes in the year in which they arise.
 
  Income Taxes
 
     The Company computes and records income taxes in accordance with FAS No.
109, "Accounting for Income Taxes".
 
  Government Pension Funds
 
     The Company contributes to the Russian Federation state pension fund,
social fund, medical insurance fund, unemployment charters and transport fund on
behalf of all its Russian employees. Contributions were 40.5%, 41.0% and 40.0%
for 1996, 1995 and 1994, respectively.
 
  Fair Value of Financial Instruments
 
     The fair value of financial instruments included in current assets and
liabilities is considered to be the carrying value.
 
  Comparative figures
 
     Certain of the 1995 comparative figures have been reclassified to conform
to the presentation adopted in the current year.
 
4. PROPERTY AND EQUIPMENT
 
     Property and equipment consists of the following as of December 31:
 
<TABLE>
<CAPTION>
                                                               1996       1995
                                                              -------    -------
<S>                                                           <C>        <C>
Network equipment...........................................  $31,251    $20,875
Other property and equipment................................    3,108      2,740
                                                              -------    -------
                                                               34,359     23,615
Accumulated depreciation and amortization...................   (9,380)    (5,877)
Construction-in-progress....................................    1,796      1,539
Network equipment and advances for network equipment not yet
  in service................................................      934      2,072
                                                              -------    -------
Net book value..............................................  $27,709    $21,349
                                                              =======    =======
</TABLE>
 
     Total depreciation and amortization expense on property and equipment for
1996, 1995 and 1994 was $3,503,000, $2,253,000 and $1,720,000, respectively.
 
                                      F-33
<PAGE>   184
 
                                  EDN SOVINTEL
 
                  NOTES TO FINANCIAL STATEMENTS -- (CONTINUED)
 
5. INCOME TAXES
 
     The Russian Federation was the only tax jurisdiction in which the Company's
income was taxed. The income tax expense reported in the accompanying statements
of operations for the years ended December 31, 1996, 1995 and 1994 represents
the provision for taxes currently payable.
 
     The following is a reconciliation of the tax basis and book basis of the
taxable income reported in the Russian statutory financial statements to the
income before taxes reported in the accompanying financial statements presented
in accordance with US GAAP for the years ended December 31:
 
<TABLE>
<CAPTION>
                                           1996      1995      1994
                                          -------   -------   ------
<S>                                       <C>       <C>       <C>
Taxable income (loss) reported for
  Russian tax purposes..................  $14,726   $ 7,411   $
  Investment incentive deductions.......    9,030     7,220
  Tax loss carry-forwards utilized......      113
  Net permanent difference related to
     revenues and expenses incurred in
     the ordinary course of business
     which are not assessable or
     deductible for Russian tax
     purposes...........................   (1,174)   (2,595)    (948)
                                          -------   -------   ------
Russian income (loss) before taxes......   22,695    12,036     (948)
Adjustments to present financial
  statements in accordance with US GAAP:
  Reversal of excess depreciation due to
     statutory revaluations.............   (1,497)     (293)    (285)
  Depreciation rate differences.........     (424)     (236)     (98)
  Allowances for uncollectible
     accounts...........................      369      (132)    (129)
  Inventory allowance...................     (100)     (249)     (29)
  Accrual of deductible expenses........   (2,437)   (1,339)    (659)
  Accrual of revenue....................    1,093        19
  Foreign exchange differences..........      280     1,425    5,665
  Other non-deductible accruals.........      (63)     (989)    (894)
                                          -------   -------   ------
Income before taxes under US GAAP.......  $19,916   $10,242   $2,623
                                          =======   =======   ======
</TABLE>
 
     The Company operated under a two-year income tax holiday in 1994 and 1993.
As such, no Russian tax calculations or tax filings were made or reported.
 
     A reconciliation between the statutory rate and the effective income tax
rate is as follows for the years ended December 31:
 
<TABLE>
<CAPTION>
                                           1996      1995      1994
                                          -------   -------   -------
<S>                                       <C>       <C>       <C>
Income tax expense computed on financial
  income taxes at statutory tax rate of
  35% for 1996 and 1995 and 38% for
  1994..................................  $ 6,970   $ 3,585   $   997
Tax effect of permanent differences:
  Investment incentive deductions.......   (3,161)   (2,594)
  Tax loss carryforwards utilized.......      (40)
  Other permanent differences...........      411       805       360
  Adjustments made to compute income
     before taxes for US GAAP financial
     reporting..........................      813       555    (1,548)
Temporary differences not recognised as
  measured by the change in the
  valuation allowance...................      161       243       191
                                          -------   -------   -------
Income tax expense reported in the
  financial statements..................  $ 5,154   $ 2,594   $
                                          =======   =======   =======
</TABLE>
 
                                      F-34
<PAGE>   185
 
                                  EDN SOVINTEL
 
                  NOTES TO FINANCIAL STATEMENTS -- (CONTINUED)
 
5. INCOME TAXES -- (CONTINUED)
     The deferred tax balances are calculated by applying the statutory tax
rates in effect at the respective balance sheet dates to the temporary
differences between the tax basis of assets and liabilities and the amount
reported in the accompanying financial statements, and consist of the following
at December 31:
 
<TABLE>
<CAPTION>
                                                              1996     1995    1994
                                                             -------   -----   -----
<S>                                                          <C>       <C>     <C>
Deferred tax assets (liabilities):
  Depreciation.............................................  $   300   $ 151   $  74
  Inventory write-downs and allowances.....................      235     147      11
  Accrual of expenses......................................      898     469     284
  Accrual of revenue.......................................     (383)     (7)
  Allowance for uncollectible accounts.....................              129     277
                                                             -------   -----   -----
Deferred tax assets........................................    1,050     889     646
Valuation allowance for deferred tax assets................   (1,050)   (889)   (646)
                                                             -------   -----   -----
Net deferred tax assets....................................  $    --   $  --   $  --
                                                             =======   =====   =====
</TABLE>
 
     For financial reporting purposes, a valuation allowance has been recognised
to reflect management's estimate of the deferred tax assets that are less likely
than not to be realized. Management's estimate of the recoverability of the
deferred tax assets is based on the Company's limited history of profitable
operations as well as the uncertainties surrounding the tax and legal systems in
Russia (see Note 11).
 
     Unexpired tax loss carryforwards at December 31, 1996 amount to $113,000
and is available in and expires in 1997.
 
     The Company paid Russian profits tax of $5,849,000 and $2,660,000 in 1996
and 1995, respectively, and no taxes in 1994.
 
6. NOTE DUE TO SHAREHOLDER AND LONG-TERM DEBT
 
     In October 1995, the Company entered into a $5,000,000 credit facility with
Sovinet, one of the Company's shareholders. It was subsequently increased to
$7,000,000. In January of 1997, this facility was repaid and on January 16,
1997, a new six-month facility was established with GTS Finance, Inc. for
$7,000,000. The loan bears interest at a rate equal to the then current six
month LIBOR rate (5.6% as of December 31, 1996) plus 5.0 percent per annum. As
of December 31, 1996 and 1995, the outstanding borrowings under this agreement
were $5,700,000 and $5,500,000, respectively.
 
     In April 1991, the Company entered into a $5,300,000 credit facility with
Barclays Bank PLC and International Moscow Bank. This loan was fully repaid
during 1996.
 
     The Company believes that the carrying value of the above loans approximate
their fair values.
 
     The Company paid interest of $403,000, $576,000 and $472,000 in 1996, 1995
and 1994, respectively.
 
                                      F-35
<PAGE>   186
 
                                  EDN SOVINTEL
 
                  NOTES TO FINANCIAL STATEMENTS -- (CONTINUED)
 
7. SHAREHOLDERS' EQUITY
 
     The Company's capital structure as specified in its charter capital
document as of December 31 is as follows:
 
<TABLE>
<CAPTION>
                                             1996          1995
                                          ----------    ----------
<S>                                       <C>           <C>
Registered capital in Russian roubles:
  Rostelecom............................     600,000       600,000
  Sovinet...............................     600,000       600,000
                                          ----------    ----------
                                           1,200,000     1,200,000
                                          ==========    ==========
Historical value of the Company's
  capital in US dollars.................  $    2,000    $    2,000
                                          ==========    ==========
</TABLE>
 
     As a Russian limited liability company, the Company has no capital stock;
rather, it has only contributed and locally registered capital in accordance
with its charter. As such, no earnings per share data are presented in these
financial statements.
 
     Retained earnings available for distribution at December 31, 1996 amounted
to 84 billion roubles or approximately $15,108,000 at applicable year-end
exchange rates.
 
8. RELATED PARTY TRANSACTIONS
 
     Transactions and balances with Rostelecom (one of the Company's
shareholders) and its affiliates were, as of and for the years ending December
31, as follows:
 
<TABLE>
<CAPTION>
                                           1996      1995     1994
                                          ------    ------    ----
<S>                                       <C>       <C>       <C>
Sales...................................  $1,525    $   62
Telecommunication lease and traffic
  costs.................................   4,586     1,506    $410
Amounts due to shareholder and
  affiliates............................     656       460
Cash deposit with related party.........     476
</TABLE>
 
     At the request of Rostelecom, a shareholder, the Company placed a deposit
of 2.65 billion roubles in August 1996 with a Russian bank related to this
shareholder. The bank deposit agreement states a deposit term of one year. The
deposit earns interest quarterly at a rate of 15% per annum plus any devaluation
losses against the US dollar up to a maximum of 4.8% per quarter. Management is
aware that the deposited amount collateralizes certain obligations of the
shareholder.
 
     Transactions and balances with Sovinet (one of the Company's shareholders),
GTS and affiliates were, as of and for the years ending December 31, as follows:
 
<TABLE>
<CAPTION>
                                           1996      1995      1994
                                          ------    ------    ------
<S>                                       <C>       <C>       <C>
Sales...................................  $3,115    $1,041    $  172
Management service fees and
  reimbursements of expenses of
  expatriate staff......................     927     2,062       499
Balances due under credit facility......   5,700     5,500     2,883
Interest expense........................     626       461        65
Amounts due from affiliates.............   1,879     1,196       185
Amounts due to shareholder and
  affiliates............................   5,047     2,204       499
</TABLE>
 
                                      F-36
<PAGE>   187
 
                                  EDN SOVINTEL
 
                  NOTES TO FINANCIAL STATEMENTS -- (CONTINUED)
 
8. RELATED PARTY TRANSACTIONS -- (CONTINUED)
     Transactions and balances with MTU Inform, an entity with which the Company
entered into a commercial agreement to co-develop and operate a "258" phone
exchange were, as of and for the years ending December 31, as follows:
 
<TABLE>
<CAPTION>
                                           1996       1995      1994
                                          -------    -------    ----
<S>                                       <C>        <C>        <C>
Telecommunication settlement and rent
  expense...............................  $15,889    $10,491
Balances in trade payables..............    1,237      2,184
Balance of amount due to partner in
  commercial venture....................    1,350      1,350
Balances in prepaid expenses and other
  assets................................                        $376
</TABLE>
 
     The Company also has an interest in the cost of the related network
equipment owned by MTU Inform, which is reflected in the balance sheet as
deferred expenses.
 
9. CONCENTRATIONS OF CREDIT RISK AND MAJOR CUSTOMERS
 
     Financial instruments that potentially subject the Company to concentration
of credit risk consist primarily of temporary cash deposits and trade accounts
receivables. The Company deposits its available cash with several Russian
financial institutions. The Company's sales and accounts receivable are made to
and due from a variety of international and Russian business customers. As of
December 31, 1996, two customers accounted for 17% and 16% of revenues and 25%
and 10% of accounts receivable, respectively. As of December 31, 1995, these
same two customers accounted for 1% and 14% of revenues and 10% and 11% of
accounts receivable, respectively. The Company did not have significant
activities with these customers during 1994. However, during 1994, a different
customer accounted for 14% of revenues. The Company has no other significant
concentrations of credit risk.
 
10. COMMITMENTS
 
     The Company has several cancelable operating leases for office and
warehouse space and telecommunications lines with terms ranging from one to five
years.
 
     Total rent expense for 1996, 1995 and 1994 was $2,123,000, $1,068,000 and
$1,058,000, respectively.
 
11. CONTINGENCIES
 
     The tax and legal systems in Russia are evolving as Russia and its central
government transform from a command to a market oriented economy. The Russian
Federation has and continues to introduce laws, decrees and related regulations.
These laws, decrees and regulations are not always clearly written and are, at
times, conflicting. In addition, their interpretation is subject to the opinions
of a variety of local, regional and federal tax inspectors, Central Bank
officials and the Ministry of Finance. Instances of inconsistent opinions among
and between these authorities are not unusual.
 
     The Company's policy is to accrue contingencies in the accounting period in
which a loss is deemed probable and the amount is reasonably determinable. In
this regard, because of the uncertainties associated with the Russian tax and
legal systems, the ultimate taxes as well as penalties and interest, if any,
assessed may be in excess of the amount expensed to date and accrued at December
31, 1996. It is the opinion of management, that the ultimate resolution of the
Company's Russian tax liability and potential loss contingencies, to the extent
not previously provided for, will not have a material effect on the financial
condition of the Company. However, depending on the amount and timing of an
unfavorable resolution of this contingency, it is possible that the Company's
future results of operations or cash flows could be materially affected in a
particular period.
 
                                      F-37
<PAGE>   188
 
                                  EDN SOVINTEL
 
                  NOTES TO FINANCIAL STATEMENTS -- (CONTINUED)
 
11. CONTINGENCIES -- (CONTINUED)
     The Company's operations and financial position will continue to be
affected by Russian political developments including the application of existing
and future legislation, tax regulations, cancellations or non-renewal of license
rights, and expropriation of property. The Company does not believe that these
contingencies, as related to its operations, are any more significant than those
of similar enterprises in Russia.
 
                                      F-38
<PAGE>   189
 
                                  EDN SOVINTEL
 
                         CONDENSED FINANCIAL STATEMENTS
                         FOR THE THIRD QUARTER OF 1997
                                  (UNAUDITED)
 
                                      F-39
<PAGE>   190
 
                                  EDN SOVINTEL
 
                            CONDENSED BALANCE SHEETS
                                  (UNAUDITED)
 
<TABLE>
<CAPTION>
                                          ASSETS
                                                              DECEMBER 31,   SEPTEMBER 30,
                                                                  1996           1997
                                                              ------------   -------------
                                                                     (IN THOUSANDS)
<S>                                                           <C>            <C>
Current assets
  Cash and cash equivalents.................................    $ 3,606         $ 6,041
  Accounts receivable, less allowance for doubtful accounts
     of $900 and $1,477 at December 31, 1996 and September
     30, 1997...............................................     15,329          14,779
  Restricted cash...........................................        476             492
  Due from affiliated companies.............................      1,879           2,267
  Inventory.................................................      1,749           2,836
  Deferred tax asset........................................         --             665
  Prepaid expenses and other assets.........................      2,328           4,544
                                                                -------         -------
          Total current assets..............................     25,367          31,624
Property and equipment, net of accumulated depreciation of
  $9,380 and $13,197 at December 31, 1996 and September 30,
  1997......................................................     27,709          35,344
Deferred expenses...........................................      1,080             958
                                                                -------         -------
          TOTAL ASSETS......................................    $54,156         $67,926
                                                                =======         =======
 
                           LIABILITIES AND SHAREHOLDERS' EQUITY
 
Current liabilities
  Accounts payable..........................................    $ 8,382         $ 8,492
  Accrued expenses..........................................      2,216           4,043
  Due to affiliated companies...............................      5,703           5,572
  Note payable to shareholder...............................      5,700           3,449
  Taxes and other liabilities...............................      1,350           1,350
                                                                -------         -------
          TOTAL LIABILITIES.................................     23,351          22,906
Commitments and contingencies
 
                                   SHAREHOLDERS' EQUITY
 
Contributed capital.........................................      2,000           2,000
Retained earnings...........................................     28,805          43,020
                                                                -------         -------
          TOTAL SHAREHOLDERS' EQUITY........................     30,805          45,020
                                                                -------         -------
          TOTAL LIABILITIES AND SHAREHOLDERS' EQUITY........    $54,156         $67,926
                                                                =======         =======
</TABLE>
 
   The accompanying notes are an integral part of these financial statements.
                                      F-40
<PAGE>   191
 
                                  EDN SOVINTEL
 
                       CONDENSED STATEMENTS OF OPERATIONS
                                  (UNAUDITED)
 
<TABLE>
<CAPTION>
                                                              NINE MONTHS ENDED
                                                                SEPTEMBER 30,
                                                              ------------------
                                                               1996       1997
                                                              -------    -------
                                                                (IN THOUSANDS)
<S>                                                           <C>        <C>
Revenues, net:..............................................   51,977     82,029
Cost of revenues:...........................................   30,613     51,048
                                                              -------    -------
  Gross margin..............................................   21,364     30,981
Operating expenses:
  Selling, general and administrative.......................    4,619      8,175
  Depreciation and amortization.............................      320        452
  Non-income taxes..........................................    2,372      3,697
                                                              -------    -------
          Total operating expenses..........................    7,311     12,324
Income from operations......................................   14,053     18,657
Other (expense) income:
  Interest income...........................................       36        176
  Interest expense..........................................     (481)      (447)
  Foreign currency losses...................................     (170)       (87)
                                                              -------    -------
                                                                 (615)      (358)
Net income before taxes.....................................   13,438     18,299
Income taxes................................................    3,916      4,084
                                                              -------    -------
Net income..................................................  $ 9,522    $14,215
                                                              =======    =======
</TABLE>
 
   The accompanying notes are an integral part of these financial statements.
                                      F-41
<PAGE>   192
 
                                  EDN SOVINTEL
 
                       CONDENSED STATEMENTS OF CASH FLOWS
                                  (UNAUDITED)
 
<TABLE>
<CAPTION>
                                                               NINE MONTHS ENDED
                                                                 SEPTEMBER 30,
                                                              -------------------
                                                               1996        1997
                                                              -------    --------
                                                                (IN THOUSANDS)
<S>                                                           <C>        <C>
OPERATING ACTIVITIES
Net income..................................................  $ 9,522    $ 14,215
Adjustments to reconcile net income to net cash provided by
  operating activities:
  Depreciation and amortization.............................    2,397       3,817
  Provision for doubtful accounts...........................     (550)       (577)
  Income tax benefit........................................       --        (665)
  Changes in assets and liabilities:
     Accounts receivable....................................   (5,991)      1,126
     Inventory..............................................     (507)     (1,087)
     Prepaid expenses and other assets......................   (1,352)     (2,216)
     Accounts payable and accrued expenses..................    3,620       1,937
                                                              -------    --------
Net cash provided by operating activities...................    7,139      16,550
INVESTING ACTIVITIES
  Purchases of property and equipment.......................   (6,938)    (11,329)
  Restricted cash...........................................      (40)        (16)
                                                              -------    --------
Net cash used in investing activities.......................   (6,978)    (11,345)
FINANCING ACTIVITIES
  Borrowing on (repayment of) shareholder note, net.........      278      (2,251)
  Repayment of debt.........................................     (694)         --
  Due to affiliated companies, net..........................      832        (519)
                                                              -------    --------
Net cash provided by (used in) financing activities.........      416      (2,770)
                                                              -------    --------
Net increase in cash and cash equivalents...................      577       2,435
Cash and cash equivalents at beginning of period............    3,094       3,606
                                                              -------    --------
Cash and cash equivalents at end of period..................  $ 3,671    $  6,041
                                                              =======    ========
</TABLE>
 
   The accompanying notes are an integral part of these financial statements.
                                      F-42
<PAGE>   193
 
                                  EDN SOVINTEL
 
                    NOTES TO CONDENSED FINANCIAL STATEMENTS
                                  (UNAUDITED)
 
1. FINANCIAL PRESENTATION AND DISCLOSURES
 
     In the opinion of management, the accompanying unaudited condensed
financial statements of EDN Sovintel (the "Company") contain all adjustments
(consisting only of normal recurring accruals) necessary to present fairly the
Company's financial position as of December 31, 1996 and September 30, 1997, and
the results of operations and cash flows for the periods indicated.
 
     The Company was established in August 1990 to design, construct and operate
a telecommunications network in Moscow. This network provides worldwide
communications services, principally to major hotels, business offices and
mobile communication companies. Telecommunications services are subject to local
licensing. The Company's license for international, intercity and local calls
was most recently renewed on November 4, 1996 and is valid until January 5,
2000. The Company began operating in December 1991, providing services under
long-term contracts payable in U.S. dollars.
 
     The Company initially registered as a limited liability Russian-American
joint venture. The venture re-registered as a limited liability Russian company
in October 1992. The Company is 50.0% owned by Sovinet, a U.S. general
partnership that is owned by two wholly-owned subsidiaries of Global TeleSystems
Group, Inc. ("GTS"); and the Company is 50.0% owned by Open Joint Stock Company
"Rostelecom," an intercity and long-distance carrier that is 51.0% owned by the
Russian Government.
 
     Certain information and footnote disclosures normally included in financial
statements prepared in accordance with generally accepted accounting principles
have been condensed or omitted. Material accruals have been recorded; however,
other adjustments may have been required had an audit been performed. It is
suggested that these financial statements be read in conjunction with the
Company's 1996 audited financial statements and the notes related thereto. The
results of operations for the nine months ended September 30, 1997 may not be
indicative of the operating results for the full year.
 
     The Company maintains its records and prepares its financial statements in
Russian roubles in accordance with the requirements of Russian accounting and
tax legislation. The accompanying financial statements differ from the financial
statements used for statutory purposes in Russia in that they reflect certain
adjustments, not recorded on the Company's books, which are appropriate to
present the financial position, results of operations and cash flows in
accordance with generally accepted accounting principles in the United States of
America. The principal adjustments are related to foreign currency translation,
and depreciation and valuation of property and equipment.
 
2. DEBT OBLIGATIONS
 
     In October 1995, the Company entered into a $5.0 million credit facility
with Sovinet, one of the Company's shareholders. It was subsequently increased
to $7.0 million. In January 1997, this facility was repaid, and on January 16,
1997 a new six-month facility was established with GTS Finance, Inc., a wholly-
owned subsidiary of GTS, for $7.0 million, of which $5.8 million was drawn upon.
The new facility was subsequently repaid in June 1997, and on June 23, 1997, a
new six-month facility was established with GTS Finance, Inc. for $7.0 million,
with a remaining balance of $3.4 million at September 30, 1997. The loan bears
interest at a rate equal to the then current six-month LIBOR rate, approximately
5.6%, plus 5.0% per annum.
 
3. CONTINGENCIES
 
     The tax and legal system in Russia are evolving as Russia and its central
government transform from a command to a market-oriented economy. The Russian
Federation has and continues to introduce laws, decrees and related regulations.
These laws, decrees and regulations are not always clearly written and are, at
times, conflicting. In addition, their interpretation is subject to the opinions
of a variety of local, regional and
 
                                      F-43
<PAGE>   194
 
                                  EDN SOVINTEL
 
             NOTES TO CONDENSED FINANCIAL STATEMENTS -- (CONTINUED)
 
federal tax inspectors, Central Bank officials and the Ministry of Finance.
Instances of inconsistent opinions among and between these authorities are not
unusual.
 
     The Company's policy is to accrue contingencies in the accounting period in
which a loss is deemed probable and the amount is reasonably determinable. In
this regard, because of the uncertainties associated with the Russian tax and
legal systems, the ultimate taxes as well as penalties and interest, if any,
assessed may be in excess of the amount expensed to date and accrued at
September 30, 1997. It is the opinion of management that the ultimate resolution
of the Company's Russian tax liability and potential loss contingencies, to the
extent not previously provided for, will not have a material effect on the
financial condition of the Company. However, depending on the amount and timing
of an unfavorable resolution of this contingency, it is possible that the
Company's future results of operations or cash flows could be materially
affected in a particular period.
 
     The Company's operations and financial position will continue to be
affected by Russian political developments, including the application of
existing and future legislation, tax regulations, cancellations or non-renewal
of license rights, and expropriation of property. The Company does not believe
that these contingencies, as related to its operations, are any more significant
than those of similar enterprises in Russia.
 
                                      F-44
<PAGE>   195
 
                           HERMES EUROPE RAILTEL B.V.
 
                              FINANCIAL STATEMENTS
                     YEARS ENDED DECEMBER 31, 1996 AND 1995
                    AND NINE MONTHS ENDED SEPTEMBER 30, 1997
 
                                      F-45
<PAGE>   196
 
            REPORT OF ERNST & YOUNG REVISEURS D'ENTREPRISES S.C.C.,
                              INDEPENDENT AUDITORS
 
To the Board of Directors and the Shareholders of
Hermes Europe Railtel B.V.
 
     We have audited the accompanying consolidated balance sheets of Hermes
Europe Railtel B.V. as of December 31, 1995 and 1996 and September 30, 1997 and
the related consolidated statements of operations, cash flows, and shareholders'
equity for each of the three years in the period ended December 31, 1996 and for
the nine months ended September 30, 1997. These financial statements are the
responsibility of the Company's management. Our responsibility is to express an
opinion on these financial statements based on our audits.
 
     We conducted our audits in accordance with auditing standards generally
accepted in the United States. Those standards require that we plan and perform
the audit to obtain reasonable assurance about whether the financial statements
are free of material misstatement. An audit includes examining, on a test basis,
evidence supporting the amounts and disclosures in the financial statements. An
audit also includes assessing the accounting principles used and significant
estimates made by management, as well as evaluating the overall financial
statement presentation. We believe that our audits provide a reasonable basis
for our opinion.
 
     In our opinion, the financial statements referred to above present fairly,
in all material respects, the consolidated financial position of Hermes Europe
Railtel B.V. at December 31, 1995 and 1996 and September 30, 1997, and the
consolidated results of its operations and its cash flows for each of the three
years in the period ended December 31, 1996, and for the nine months ended
September 30, 1997, in conformity with generally accepted accounting principles
in the United States.
 
                                          Ernst & Young Reviseurs d'Entreprises
                                          S.C.C.
 
                                          Represented by
 
                                          L. SWOLFS
                                          Partner
Brussels, Belgium
December 23, 1997
 
                                      F-46
<PAGE>   197
 
                          HERMES EUROPE RAILITEL B.V.
                          CONSOLIDATED BALANCE SHEETS
 
<TABLE>
<CAPTION>
                                                            DECEMBER 31,        DECEMBER 31,        SEPTEMBER 30,
                                                                1995                1996                 1997
                                                          ----------------   ------------------   ------------------
                                                                    (IN THOUSANDS, EXCEPT PER SHARE DATA)
<S>                                                       <C>                <C>                  <C>
                         ASSETS
Current assets
  Cash and cash equivalents.............................   $       5,784      $         2,013      $       237,541
  Restricted cash.......................................              --                3,840               29,155
  Accounts receivable...................................              --                   84                  479
  Due from affiliated companies.........................              67                  491                  672
  Other assets..........................................             579                1,100                1,843
                                                           -------------      ---------------      ---------------
     Total current assets...............................           6,430                7,528              269,690
Property and equipment, net.............................           4,671               20,303               36,593
Deferred financing costs, net...........................              --                   --               12,842
Restricted cash.........................................              --                   --               27,877
                                                           -------------      ---------------      ---------------
     Total Assets.......................................   $      11,101      $        27,831      $       347,002
                                                           =============      ===============      ===============
 
          LIABILITIES AND SHAREHOLDERS' EQUITY
Current liabilities
  Accounts payable and accrued expenses.................   $       4,659      $         8,476      $        15,138
  Due to affiliated companies...........................           2,117                3,344                1,251
  Deferred income.......................................              --                   24                1,577
  Other current liabilities.............................              --                    8                  599
  Debt maturing within one year.........................               9                   63                   52
                                                           -------------      ---------------      ---------------
     Total current liabilities..........................           6,785               11,915               18,617
Long-term debt, less current portion....................              10                  499              265,401
                                                           -------------      ---------------      ---------------
     Total Liabilities..................................           6,795               12,414              284,018
Commitments and contingencies
Shareholders' loans.....................................           8,353               34,863                   --
 
SHAREHOLDERS' EQUITY
  Common stock, 1,000 guilders par value (305 shares
     authorized and 80 shares issued and outstanding at
     December 31, 1995 and 1996; 297,000 shares
     authorized and 190,468 shares issued and
     outstanding at September 30, 1997).................              45                   45               96,757
  Additional paid-in capital............................           2,884                2,884                7,513
  Cumulative translation adjustment.....................            (254)                 316               (2,920)
  Accumulated deficit...................................          (6,722)             (22,691)             (38,366)
                                                           -------------      ---------------      ---------------
     Total Shareholders' Equity.........................          (4,047)             (19,446)              62,984
                                                           -------------      ---------------      ---------------
     Total Liabilities and Shareholders' Equity.........   $      11,101      $        27,831      $       347,002
                                                           =============      ===============      ===============
</TABLE>
 
   The accompanying notes are an integral part of these financial statements.
                                      F-47
<PAGE>   198
 
                           HERMES EUROPE RAILTEL B.V.
                     CONSOLIDATED STATEMENTS OF OPERATIONS
 
<TABLE>
<CAPTION>
                                                  YEAR ENDED                                 NINE MONTHS ENDED
                            ------------------------------------------------------   ----------------------------------
                            DECEMBER 31,      DECEMBER 31,         DECEMBER 31,      SEPTEMBER 30,     SEPTEMBER 30,
                                1994              1995                 1996              1996               1997
                            ------------   ------------------   ------------------   -------------   ------------------
                                                                                      (UNAUDITED)
                                                                  (IN THOUSANDS)
<S>                         <C>            <C>                  <C>                  <C>             <C>
Revenues..................      $  --       $            --      $            48       $     --       $         2,262
                                -----       ---------------      ---------------       --------       ---------------
Operating costs and
  expenses:
  Cost of revenues........         --                    --                4,694          3,442                 5,989
  Selling, general and
     administrative.......        183                 6,637               10,552          7,329                10,177
                                -----       ---------------      ---------------       --------       ---------------
                                  183                 6,637               15,246         10,771                16,166
                                -----       ---------------      ---------------       --------       ---------------
Loss from operations......       (183)               (6,637)             (15,198)       (10,771)              (13,904)
Other income/(expense):
  Interest income.........         18                   125                  508            428                 2,729
  Interest expense........         --                    (9)                (153)            (5)               (4,593)
  Foreign currency
     (losses) gains.......        (55)                   19               (1,126)          (774)                   93
                                -----       ---------------      ---------------       --------       ---------------
                                  (37)                  135                 (771)          (351)               (1,771)
                                -----       ---------------      ---------------       --------       ---------------
Net loss before income
  taxes...................       (220)               (6,502)             (15,969)       (11,122)              (15,675)
Income taxes..............         --                    --                   --             --                    --
                                -----       ---------------      ---------------       --------       ---------------
Net loss..................      $(220)      $        (6,502)     $       (15,969)      $(11,122)      $       (15,675)
                                =====       ===============      ===============       ========       ===============
</TABLE>
 
   The accompanying notes are an integral part of these financial statements.
                                      F-48
<PAGE>   199
 
                           HERMES EUROPE RAILTEL B.V.
                     CONSOLIDATED STATEMENTS OF CASH FLOWS
<TABLE>
<CAPTION>
                                                         YEAR ENDED                            NINE MONTHS ENDED
                                ------------------------------------------------------------   ------------------
                                   DECEMBER 31,         DECEMBER 31,         DECEMBER 31,        SEPTEMBER 30,
                                       1994                 1995                 1996                 1996
                                ------------------   ------------------   ------------------   ------------------
                                                                                                  (UNAUDITED)
                                                                 (IN THOUSANDS)
<S>                             <C>                  <C>                  <C>                  <C>
OPERATING ACTIVITIES
  Net loss....................   $          (220)     $        (6,502)     $       (15,969)             (11,122)
  Adjustments to reconcile net
     loss to net cash used in
     operating activities:
     Depreciation and
       amortization...........                 5                   11                  683                  387
     Deferred interest........                --                   --                  130                   --
     Changes in assets and
       liabilities:
       Accounts receivable....                --                   --                  (87)                  --
       Deposits...............                --                  (16)                (627)                (628)
       Accounts payable and
          accrued expenses....                89                4,364                4,336                4,625
       Other changes in assets
          and liabilities.....               (41)                (512)                  (6)              (1,705)
                                 ---------------      ---------------      ---------------      ---------------
Net cash used in operating
  activities..................              (167)              (2,655)             (11,540)              (8,443)
INVESTING ACTIVITIES
  Purchases of property and
     equipment................               (52)              (4,405)             (16,807)             (12,834)
  Restricted cash.............                --                   --               (3,974)              (6,883)
                                 ---------------      ---------------      ---------------      ---------------
Net cash used in investing
  activities..................               (52)              (4,405)             (20,781)             (19,717)
FINANCING ACTIVITIES
  Proceeds from debt..........                --                   19                  564                  583
  Payment of debt issue
     costs....................                --                   --                   --                   --
  Net proceeds from issuance
     of common stock..........             1,028                1,732                   --                   --
  Proceeds from shareholders'
     loans....................                --                7,942               27,358               25,305
  Due to affiliated companies,
     net......................                --                1,951                1,002                  351
                                 ---------------      ---------------      ---------------      ---------------
Net cash provided by financing
  activities..................             1,028               11,644               28,924               26,239
Effect of exchange rate
  changes on cash and cash
  equivalents.................                58                  333                 (374)                (404)
                                 ---------------      ---------------      ---------------      ---------------
Net increase (decrease) in
  cash and cash equivalents...               867                4,917               (3,771)              (2,325)
Cash and cash equivalents at
  beginning of period.........                --                  867                5,784                5,784
                                 ---------------      ---------------      ---------------      ---------------
Cash and cash equivalents at
  end of period...............   $           867      $         5,784      $         2,013      $         3,459
                                 ===============      ===============      ===============      ===============
 
<CAPTION>
                                NINE MONTHS ENDED
                                ------------------
                                  SEPTEMBER 30,
                                       1997
                                ------------------
 
<S>                             <C>
OPERATING ACTIVITIES
  Net loss....................   $       (15,675)
  Adjustments to reconcile net
     loss to net cash used in
     operating activities:
     Depreciation and
       amortization...........             1,862
     Deferred interest........                --
     Changes in assets and
       liabilities:
       Accounts receivable....              (414)
       Deposits...............               319
       Accounts payable and
          accrued expenses....             7,871
       Other changes in assets
          and liabilities.....               234
                                 ---------------
Net cash used in operating
  activities..................            (5,803)
INVESTING ACTIVITIES
  Purchases of property and
     equipment................           (19,316)
  Restricted cash.............           (54,860)
                                 ---------------
Net cash used in investing
  activities..................           (74,176)
FINANCING ACTIVITIES
  Proceeds from debt..........           270,849
  Payment of debt issue
     costs....................           (13,238)
  Net proceeds from issuance
     of common stock..........            52,015
  Proceeds from shareholders'
     loans....................            13,311
  Due to affiliated companies,
     net......................            (1,964)
                                 ---------------
Net cash provided by financing
  activities..................           320,973
Effect of exchange rate
  changes on cash and cash
  equivalents.................            (5,466)
                                 ---------------
Net increase (decrease) in
  cash and cash equivalents...           235,528
Cash and cash equivalents at
  beginning of period.........             2,013
                                 ---------------
Cash and cash equivalents at
  end of period...............   $       237,541
                                 ===============
</TABLE>
 
   The accompanying notes are an integral part of these financial statements.
                                      F-49
<PAGE>   200
 
                           HERMES EUROPE RAILTEL B.V.
                CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY
 
For the years ended December 31, 1994, 1995 and 1996 and the nine months ended
September 30, 1997:
 
<TABLE>
<CAPTION>
                                            COMMON STOCK      ADDITIONAL   CUMULATIVE                       TOTAL
                                          -----------------    PAID-IN     TRANSLATION   ACCUMULATED    SHAREHOLDERS'
                                          SHARES    AMOUNT     CAPITAL     ADJUSTMENT      DEFICIT         EQUITY
                                          -------   -------   ----------   -----------   ------------   -------------
                                                               (IN THOUSANDS, EXCEPT SHARE DATA)
<S>                                       <C>       <C>       <C>          <C>           <C>            <C>
BALANCE AT DECEMBER 31, 1993............       40   $    21     $   --       $    --       $     --       $     21
Proceeds from the sale of common
  stock.................................       21        11        996            --             --          1,007
Translation adjustment..................       --        --         --            58             --             58
Net loss................................       --        --         --            --           (220)          (220)
                                          -------   -------     ------       -------       --------       --------
BALANCE AT DECEMBER 31, 1994............       61        32        996            58           (220)           866
Proceeds from the sale of common
  stock.................................       19        13      1,886            --             --          1,901
Translation adjustment..................       --        --         --          (312)            --           (312)
Net loss................................       --        --         --            --         (6,502)        (6,502)
                                          -------   -------     ------       -------       --------       --------
BALANCE AT DECEMBER 31, 1995............       80        45      2,884          (254)        (6,722)        (4,047)
Translation adjustment..................       --        --         --           570             --            570
Net loss................................       --        --         --            --        (15,969)       (15,969)
                                          -------   -------     ------       -------       --------       --------
BALANCE AT DECEMBER 31, 1996............       80        45      2,884           316        (22,691)       (19,446)
Recapitalization, net of tax............  190,388    96,712      4,629            --             --        101,341
Translation adjustment..................       --        --         --        (3,236)            --         (3,236)
Net loss................................       --        --         --            --        (15,675)       (15,675)
                                          -------   -------     ------       -------       --------       --------
BALANCE AT SEPTEMBER 30, 1997...........  190,468   $96,757     $7,513       $(2,920)      $(38,366)      $ 62,984
                                          =======   =======     ======       =======       ========       ========
</TABLE>
 
   The accompanying notes are an integral part of these financial statements.
                                      F-50
<PAGE>   201
 
                           HERMES EUROPE RAILTEL B.V.
 
                   NOTES TO CONSOLIDATED FINANCIAL STATEMENTS
 
NOTE 1.  NATURE OF BUSINESS OPERATIONS
 
     Hermes Europe Railtel B.V. (the "Company") intends to become the leading
pan-European carriers' carrier by constructing and operating a managed,
seamless, fiber optic, pan-European network, and providing high quality
trans-border transmission services to telecommunications carriers across Europe.
 
     In an effort to generate sufficient capital resources to continue its
buildout of the network and sustain working capital requirements, the Company
undertook a recapitalization (the "Recapitalization") during the first quarter
of 1997, which was completed in September 1997. Prior to the recapitalization,
the Company was 50% owned by HIT Rail B.V. ("HIT Rail"), a consortium of eleven
European railway companies, and 50% owned by GTS-Hermes, Inc. ("GTS-Hermes"), a
U.S. holding company that is a wholly-owned subsidiary of Global TeleSystems
Group, Inc., a provider of a broad range of telecommunications services to
businesses, other telecommunications service providers and consumers through its
operations of voice and data networks, international gateways, local access and
cellular networks and the provision of various value-added services, in markets
outside the United States.
 
     Pursuant to the Recapitalization, the Company offered to GTS-Hermes, HIT
Rail and the eleven individual members of the HIT Rail consortium the right to
subscribe to additional common stock of the Company. GTS-Hermes and two of the
members of HIT Rail, Societe Nationale des Chemins de Fer Belges S.A. de Droit
Public/Nationale Maatschappij der Belgische Spoorwegen N.V. ("NMBS") and AB Swed
Carrier ("Swed Carrier"), exercised their rights, while HIT Rail and the nine
remaining members of HIT Rail declined to participate.
 
     As a result of the finalization of the Recapitalization, total shareholder
loans of ECU 39.4 million (approximately $48.5 million) from, collectively,
GTS-Hermes, HIT Rail, NMBS and Swed Carrier were transferred into equity.
Additionally, GTS-Hermes contributed ECU 46.0 million (approximately $51.8
million) and NMBS contributed a ten-year fiber optic cable lease with a fair
value of ECU 1.8 million (approximately $2.0 million).
 
     The ownership of the Company as a result of the Recapitalization is as
follows:
 
<TABLE>
<CAPTION>
                                                          SHARES     OWNERSHIP %
                                                          ------     -----------
<S>                                                       <C>        <C>
GTS-Hermes..............................................  150,632         79.1%
HIT Rail................................................   24,047         12.6
NMBS....................................................   11,424          6.0
Swed Carrier............................................    4,365          2.3
                                                          -------       ------
     Total..............................................  190,468        100.0%
                                                          =======       ======
</TABLE>
 
     In an additional effort to obtain capital resources, the Company completed
a debt offering in August 1997 that raised $265.0 million (see Note 4, "Debt
Obligations").
 
     The Company was a development stage enterprise through December 31, 1996.
 
NOTE 2.  SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES
 
BASIS OF PRESENTATION
 
     The financial statements include the accounts of Hermes Europe Railtel
B.V., its Belgian branch and of Hermes Europe Railtel N.V. All significant
intercompany accounts and transactions are eliminated upon consolidation.
 
     The accompanying unaudited, consolidated financial data presented in the
Statements of Operations and the Statements of Cash Flows for the nine months
ended September 30, 1996 have been derived from the
 
                                      F-51
<PAGE>   202
 
                           HERMES EUROPE RAILTEL B.V.
 
             NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (CONTINUED)
 
NOTE 2.  SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (CONTINUED)
Company's financial records and contain all adjustments (consisting only of
normal recurring accruals) necessary to present fairly the results of operations
and cash flows for the period indicated.
 
RECLASSIFICATIONS
 
     Certain reclassifications have been made to the 1995 and 1996 consolidated
financial statements in order to conform to the 1997 presentation.
 
CASH AND CASH EQUIVALENTS
 
     The Company considers all highly liquid investments with a maturity of
three months or less at the time of purchase to be cash equivalents. The Company
had $3.8 million and $57.0 million of restricted cash at December 31, 1996, and
September 30, 1997, respectively. The restricted cash is primarily related to
cash held in escrow for interest payments (see Note 4, "Debt Obligations").
 
PROPERTY AND EQUIPMENT
 
     Property and equipment is stated at cost. Depreciation is calculated on a
straight-line basis over the estimated lives ranging from ten to fifteen years
for fiber optic cable, five years for telecommunications equipment and five to
ten years for furniture, fixtures and equipment and other property. A
substantial part of the costs includes construction in process, which is
currently related to the configuration and buildout of the network, and these
costs primarily consist of labor. These costs are transferred to
telecommunications equipment in service as construction is completed and/or
equipment is placed in service. Depreciation is recorded commencing with the
first full month that assets are placed into service. Maintenance and repairs
are charged to expense as incurred.
 
DEFERRED FINANCING COSTS
 
     Deferred financing costs are amortized on a straight-line basis over the
lesser of their estimated useful lives or their contractual term, generally ten
years. In accordance with APB 17, "Intangible Assets," the Company continues to
evaluate the amortization period to determine whether events or circumstances
warrant revised amortization periods. Additionally, the Company considers
whether the carrying value of such assets should be reduced based on the future
benefits of its deferred financing costs.
 
LONG-LIVED ASSETS
 
     Effective January 1, 1995, the Company adopted Statement of Financial
Accounting Standards ("SFAS") No. 121, "Accounting for the Impairment of
Long-Lived Assets and for Long-Lived Assets to Be Disposed Of." In accordance
with SFAS No. 121, long-lived assets to be held and used by the Company are
reviewed to determine whether any events or changes in circumstances indicate
that the carrying amount of the asset may not be recoverable. For long-lived
assets to be held and used, the Company bases its evaluation on such impairment
indicators as the nature of the assets, the future economic benefit of the
assets, any historical or future profitability measurements, as well as other
external market conditions or factors that may be present. If such impairment
indicators are present or other factors exist that indicate that the carrying
amount of the asset may not be recoverable, the Company determines whether an
impairment has occurred through the use of an undiscounted cash flow analysis of
assets at the lowest level for which identifiable cash flows exist. If an
impairment has occurred, the Company recognizes a loss for the difference
between the carrying amount and the estimated value of the asset. The fair value
of the asset is measured using quoted market prices or, in the absence of quoted
market prices, fair value is based on an estimate of discounted cash flow
analysis. Based on its analyses for the years ended December 31, 1995 and 1996,
and the nine months ended September 30, 1997, the Company determined that there
was not an impairment of its long-lived assets.
 
                                      F-52
<PAGE>   203
 
                           HERMES EUROPE RAILTEL B.V.
 
             NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (CONTINUED)
 
NOTE 2.  SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (CONTINUED)
INCOME TAXES
 
     The Company uses the liability method of accounting for income taxes.
Deferred income taxes result from temporary differences between the tax basis of
assets and liabilities and the basis as reported in the consolidated financial
statements.
 
FOREIGN CURRENCY TRANSLATION
 
     The accounting records of the Dutch B.V. company are maintained in Dutch
guilders. The accounting records of the Belgian branch and the Belgian N.V.
company are maintained in Belgian francs. The functional currency for the
Company has been determined to be the Belgian franc. Therefore, the Dutch
guilder statements have been remeasured into Belgian franc equivalents,
consolidated with the Belgian branch and Belgian N.V. statements and then
translated into U.S. dollar equivalents for the purpose of preparing the
accompanying financial statement in accordance with accounting principles
generally accepted in the United States.
 
     The Company follows a translation policy in accordance with SFAS No. 52,
"Foreign Currency Translation." Assets and liabilities are translated at the
rates of exchange at the balance sheet date. Income and expense accounts are
translated at average monthly rates of exchange. The resultant translation
adjustments are included in the cumulative translation adjustment, a separate
component of shareholders' equity. Gains and losses from foreign currency
transactions are included in the operations.
 
REVENUE RECOGNITION
 
     The Company's revenue is associated with its customers' right to use the
network and is recognized on a straight-line basis over the terms of the
customer contracts. Amounts billed in advance are deferred and recognized as the
service is performed.
 
FAIR VALUE OF FINANCIAL INSTRUMENTS
 
     The Company believes that the carrying amount of its assets and liabilities
reported in the balance sheets approximates their fair value.
 
OFF BALANCE SHEET RISK AND CONCENTRATION OF CREDIT RISK
 
     Financial instruments that potentially subject the Company to concentration
of credit risk consist primarily of cash and cash equivalents and accounts
receivable. At December 31, 1995 and 1996, the Company maintained most of its
cash and cash equivalents in high quality European financial institutions. At
September 30, 1997, the Company maintained most of its cash and cash equivalents
in high quality U.S. financial institutions. The Company extends credit to
various customers and establishes an allowance for doubtful accounts for
specific customers that it determines to have significant credit risk.
 
     The Company does not now hedge against foreign currency fluctuations,
although the Company may implement such practices in the future. Under current
practices, the Company's results from operations could be adversely affected by
fluctuations in foreign currency exchange rates.
 
USES OF ESTIMATES IN PREPARATION OF FINANCIAL STATEMENTS
 
     The preparation of these consolidated financial statements, in conformity
with generally accepted accounting principles, requires management to make
estimates and assumptions that affect amounts in the financial statements and
accompanying notes and the reported amounts of revenues and expenses during the
reporting period. Actual results could differ from those estimates.
 
                                      F-53
<PAGE>   204
 
                           HERMES EUROPE RAILTEL B.V.
 
             NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (CONTINUED)
 
NOTE 3.  SUPPLEMENTAL BALANCE SHEET INFORMATION
 
<TABLE>
<CAPTION>
                                             DECEMBER 31,   DECEMBER 31,     SEPTEMBER 30,
                                                 1995           1996             1997
                                             ------------   ------------     -------------
                                                             (IN THOUSANDS)
<S>                                          <C>            <C>             <C>
Other assets consist of:
  Deposits.................................  $        17    $      606      $           219
  VAT receivable...........................          272           402                  871
  Interest receivable......................           --            --                  412
  Other assets.............................          290            92                  341
                                             -----------    -------------   ---------------
Total other assets.........................  $       579    $    1,100      $         1,843
                                             ===========    =============   ===============
Property and equipment, net consists of:
  Construction in process..................  $     3,879    $   12,981      $        25,541
  Telecommunications equipment in
     service...............................           --         4,947                7,790
  Fiber....................................           --            --                2,363
  Furniture, fixtures and equipment........          807         2,507                2,503
  Leasehold improvements...................            2           543                  703
                                             -----------    -------------   ---------------
                                                   4,688        20,978               38,900
     Less:  accumulated depreciation.......           17           675                2,307
                                             -----------    -------------   ---------------
Total property and equipment, net..........  $     4,671    $   20,303      $        36,593
                                             ===========    =============   ===============
Accounts payable and accrued expenses
  consist of:
  Trade accounts payable...................  $     2,225    $    5,445      $         6,594
  Accrued interest.........................           --            10                3,785
  Accrued salaries and bonuses.............          668         1,150                1,941
  Accrued consulting expense...............          471           152                  996
  Accrued vacation expense.................          110           774                  901
  Other....................................        1,185           945                  921
                                             -----------    -------------   ---------------
Total accounts payable and accrued
  expenses.................................  $     4,659    $    8,476               15,138
                                             ===========    =============   ===============
</TABLE>
 
NOTE 4.  DEBT OBLIGATIONS
 
     Company debt consists of:
 
<TABLE>
<CAPTION>
                                             DECEMBER 31,   DECEMBER 31,     SEPTEMBER 30,
                                                 1995           1996             1997
                                             ------------   ------------     -------------
                                                             (IN THOUSANDS)
<S>                                          <C>            <C>             <C>
Senior notes, due August 15, 2007 at 11.5%
  interest payable semiannually............  $        --    $       --      $       265,000
Other financing agreements.................           19           562                  453
                                             -----------    -------------   ---------------
Total debt outstanding.....................           19           562              265,453
  Less: debt maturing within one year......            9            63                   52
                                             -----------    -------------   ---------------
Total long-term debt.......................  $        10    $      499      $       265,401
                                             ===========    =============   ===============
</TABLE>
 
                                      F-54
<PAGE>   205
 
                           HERMES EUROPE RAILTEL B.V.
 
             NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (CONTINUED)
 
NOTE 4.  DEBT OBLIGATIONS (CONTINUED)
     On August 15, 1997, the Company issued aggregate principal amount $265.0
million of senior notes due August 15, 2007 (the "Senior Notes"). The Senior
Notes are general unsecured obligations of the Company, with interest payable
semiannually at a rate of 11.5%. Approximately $56.6 million of the net proceeds
of the offering are being held in escrow for the first four semiannual interest
payments commencing on February 15, 1998. The Company may redeem the Senior
Notes, in whole or in part, any time on or after August 15, 2002 at specific
redemption prices. The Company may also redeem the Senior Notes at a price equal
to 111.5% of the principal amount prior to August 15, 2000 with net cash
proceeds of a public equity offering with gross proceeds of at least
$75.0 million or in certain other circumstances specified in the indenture for
the Senior Notes, provided, however, that at least two-thirds of the principal
amount of the Senior Notes originally issued remain outstanding after each such
redemption. Pursuant to the covenants in the offering, the Company has filed an
S-4 registration statement with the Securities Exchange Commission to exchange
registered senior notes, with the same terms and conditions as the Senior Notes,
for the Senior Notes.
 
     On a pro forma basis, assuming the Senior Notes had been outstanding as of
January 1, 1996, the Company's net loss would have been $47.7 million and $35.9
million for 1996 and for the nine months ended September 30, 1997, respectively,
as a result of interest expense of $30.5 million and $19.3 million and
amortization expense of $1.3 million and $1.0 million related to amortizing
$12.9 million of deferred financing fees over the term of the Senior Notes, for
1996 and for the nine months ended September 30, 1997, respectively.
 
     Aggregate maturities of long-term debt, as of September 30, 1997, are as
follows: 1998 -- $0.05 million, 1999 -- $0.05 million, 2000 -- $0.06 million,
2001 -- $0.06 million, 2002 -- $0.07 million, and $265.2 million thereafter.
 
NOTE 5.  EMPLOYEE BENEFITS
 
     The Company established a pension plan in 1995 that covers substantially
all of its employees upon twenty-five years of age and at least one year of
service. The benefits are based on years of service and the employee's
compensation. The Company has entered into an arrangement, an annuity contract,
with an insurance company for the provision of a group insurance policy (the
"Policy"). Under the Policy, the insurance provider has undertaken a legal
obligation to provide specified benefits to participants in return for a fixed
premium; accordingly, the Company no longer bears any financial risk. Premium
payments for the Policy are partly paid by the employee, based on specified
terms that consider the employee's annual salary, with the remaining premium
paid by the employer. Premiums are intended to provide not only for benefits
attributed to service to date but also for those expected to be earned in the
future.
 
     The Company's pension costs for 1995, 1996 and the nine months ended
September 30, 1997 were $0.05 million, $0.4 million and $0.2 million,
respectively.
 
NOTE 6.  STOCK OPTION PLANS
 
GTS - HERMES
 
     The Company's parent company, GTS - Hermes, maintained the GTS - Hermes,
Inc. 1994 Stock Option Plan (the GTS - Hermes Plan) for the sole benefit of the
employees of the Company and GTS - Hermes, Inc., through September 30, 1997. As
of September 30, 1997, 12.0 options were outstanding with a weighted average
exercise price of $197,752 and 4.5 of the options were exercisable. The
accounting for the GTS - Hermes Plan resulted in an insignificant amount of
compensation expense in FY 1995, 1996 and the nine months ended September 30,
1997.
 
                                      F-55
<PAGE>   206
 
                           HERMES EUROPE RAILTEL B.V.
 
             NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (CONTINUED)
 
NOTE 6.  STOCK OPTION PLANS (CONTINUED)
HERMES EUROPE RAILTEL B.V.
 
     Subsequent to the third quarter of 1997, the Company finalized the
establishment of a stock option plan (the "Plan"). The maximum number of shares
of common stock available for grant under the Plan is 24,760. The terms and
conditions of the Plan are substantially similar to the existing stock option
plan maintained by the Company's parent, GTS - Hermes as described above. The
Company intends to account for the Plan in accordance with APB No. 25.
 
     During the fourth quarter of 1997, in connection with the adoption of the
Plan, the Company issued 10,166 options in replacement of those outstanding
under the GTS - Hermes Plan as well as additional options to certain employees.
The options that were granted have exercise prices ranging from $83 to $2,888
per share of HER common stock. All options granted vest no later than 3 years
after the grant date; however, 6,244 options will be vested at December 31,
1997. Further, the issuance of these options will result in a non-cash charge of
approximately $3.7 million of which $2.6 million is expected to be recorded
during the fourth quarter and the remaining $1.1 million will be recognized
principally ratably over fiscal 1998.
 
NOTE 7.  INCOME TAXES
 
     The components of loss before income taxes were as follows:
 
<TABLE>
<CAPTION>
                                                                                       NINE MONTHS
                                                                                          ENDED
                                               YEAR ENDED DECEMBER 31,                SEPTEMBER 30,
                                    ---------------------------------------------    ---------------
                                      1994           1995              1996               1997
                                      ----           ----              ----               ----
                                                             (IN THOUSANDS)
<S>                                 <C>          <C>              <C>                <C>
Pretax loss:
     Domestic (the Netherlands)...  $     (95)   $        (422)   $          (608)   $          (209)
     Foreign......................       (125)          (6,080)           (15,361)           (15,466)
                                    ---------    -------------    ---------------    ---------------
                                    $    (220)   $      (6,502)   $       (15,969)   $       (15,675)
                                    =========    =============    ===============    ===============
</TABLE>
 
     No current income taxes are due, as the Company incurred losses due to the
start-up activities in the Belgian branch and the Company.
 
     A deferred tax asset is recorded on temporary differences between earnings
as reported in the financial statements and earnings for income tax purposes.
The following table summarizes major components of the Company's deferred tax
assets:
 
<TABLE>
<CAPTION>
                                            DECEMBER 31,      DECEMBER 31,      SEPTEMBER 30,
                                                1995              1996              1997
                                            ------------      ------------      -------------
                                                             (IN THOUSANDS)
<S>                                        <C>               <C>               <C>
Deferred tax assets:
     Net operating loss carryforwards....  $       3,919     $      11,729     $        16,700
                                           ---------------   ---------------   ---------------
Total deferred tax asset.................          3,919            11,729              16,700
     Less:  valuation allowance..........         (3,919)          (11,729)            (16,700)
                                           ---------------   ---------------   ---------------
Total....................................  $          --     $          --     $            --
                                           ===============   ===============   ===============
</TABLE>
 
     As of September 30, 1997, the Company had net operating loss carryforwards
for Belgian and Dutch income tax purposes of approximately $41.6 million, which
are recoverable from profits for an unlimited period of time,
 
                                      F-56
<PAGE>   207
 
                           HERMES EUROPE RAILTEL B.V.
 
             NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (CONTINUED)
 
NOTE 8.  SUPPLEMENTAL CASH FLOW INFORMATION
 
     The following table summarizes non-cash investing and financing activities
related to the Recapitalization for the nine months ended September 30, 1997:
 
<TABLE>
<CAPTION>
                                                        NINE MONTHS ENDED
                                                        SEPTEMBER 30, 1997
                                                        ------------------
                                                          (IN THOUSANDS)
<S>                                                     <C>
Transfer of shareholders' loans to equity.............    $      48,491
Contribution of fiber optic cable lease...............            1,989
Unpaid capital duty tax...............................              591
</TABLE>
 
     There were no significant non-cash activities in 1994, 1995 or 1996.
 
     The Company paid interest of $0.02 million, $0.01 million and $0.7 million
in 1996, 1995 and for the nine months ended September 30, 1997, respectively.
The Company did not pay interest in 1994.
 
NOTE 9.  COMMITMENTS AND CONTINGENCIES
 
OPERATING LEASES
 
     Operating lease commitments are primarily for office space and car rental.
The office lease has a term of nine years, expiring on June 30, 2005, with an
option to cancel January 1, 2002 upon the payment of certain penalties. In
addition, the Company received a reduction in annual expense during the first
three years of the lease. This reduction is being amortized over the first six
years of the lease, using a straight-line method. On April 29, 1997, the Company
entered into a lease for a second office building, with annual payments of
0.4 million beginning in October 1997 and expiring on June 30, 2005.
 
     Rental expense aggregated approximately $0.5 million, $0.7 million and $0.7
million for the years ended December 31, 1996 and 1995, and the nine months
ended September 30, 1997, respectively. The Company did not have rent expense in
1994.
 
     Future minimum lease payments under these non-cancelable operating leases
with terms of one year or more, as of September 30, 1997, are as follows:
1998 -- $1.4 million, 1999 -- $1.4 million, 2000 -- $1.2 million, 2001 -- $0.9
million, 2002 -- $0.4 million and $1.0 million thereafter.
 
OTHER MATTERS
 
     In the ordinary course of business, the Company may be party to various
legal and tax proceedings, and subject to claims, certain of which relate to the
regulatory environments in which the Company currently operates or intends to
operate. In the opinion of management, the Company's liability, if any, in all
pending litigation, or other legal proceeding or other matter other than what is
discussed above, will not have a material effect upon the financial condition,
results of operations or liquidity of the Company.
 
NOTE 10.  RELATED PARTY TRANSACTIONS
 
     The Company received financing through shareholders' loan transactions
provided by Hit Rail, GTS-Hermes, NMBS, and Swed Carrier. The components of the
Company's shareholders' loans are as follows:
 
<TABLE>
<CAPTION>
                                                    DECEMBER 31,   DECEMBER 31,
                                                        1995           1996
                                                    ------------   ------------
                                                          (IN THOUSANDS)
<S>                                                 <C>            <C>
Hit Rail..........................................     $6,425        $13,999
GTS-Hermes........................................      1,928         20,864
                                                       ------        -------
     Total shareholders' loans....................     $8,353        $34,863
                                                       ======        =======
</TABLE>
 
                                      F-57
<PAGE>   208


                           HERMES EUROPE RAILTEL B.V.
 
             NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (CONTINUED)
 
NOTE 10.  RELATED PARTY TRANSACTIONS (CONTINUED)

     All shareholder loans outstanding were converted into equity prior to
September 30, 1997 (See Note 1, "Nature of Business Operations").
 
NOTE 11.  SUBSEQUENT EVENTS
 
     Subsequent to September 30, 1997, the Company entered into contractual
commitments to lease fiber pairs, including facilities and maintenance and
utilizing the partial routes for laying fiber optic cable. Based on the contract
provisions, these commitments are currently estimated to aggregate approximately
$98.0 million. The commitments have expected lease terms of three to twenty
years with options for renewal rights of five additional years. As of September
30, 1997, the Company made prepayments of approximately $6.4 million related to
the above leases.
 
                                      F-58
<PAGE>   209
 
                                                                       EXHIBIT A
 
                 GLOSSARY OF TELECOMMUNICATIONS INDUSTRY TERMS
 
     Accounting Rate Mechanism (ARM) -- The current system of bilateral
settlement agreements between PTOs under which tariffs for cross-border
pan-European-switched voice traffic are determined.
 
     Add-drop multiplexer (ADM) -- A multiplexer which controls cross connect
between individual circuits by software, permitting dynamic cross connect of
individual 64 kbps circuits within an E-1 line.
 
     AMPS -- Advanced Mobile Phone System; the cellular mobile telephone system
based on analog technology that is now used in U.S. systems. Each AMPS cell can
handle 832 simultaneous conversations.
 
     Asynchronous Transfer Mode (ATM) -- A switching and transmission technology
that is one of general class of packet technologies that relay traffic by way of
an address contained within the first five bits of a switching and transmission
of mixed voice, data, and video at varying rates. The ATM format can be used by
many different information systems, including LANs.
 
     Bps -- Bits per second; the basic measuring unit of speed in a digital
transmission system; the number of bits that a transmission facility can convey
between a sending location and a receiving location in one second.
 
     Backbone -- The through-portions of a transmission network, as opposed to
spurs which branch off the through-portions.
 
     Bandwidth -- The information-carrying capability of a transmission medium
is measured by its bandwidth, which is the relative range of frequencies that
can be passed without distortion by such medium. Bandwidth is measured in Hertz,
but may also be expressed as the number of bits that can be transmitted per
second.
 
     Capacity -- Refers to transmission.
 
     Carrier -- A provider of communications transmission services by fiber,
wire, or radio.
 
     CCIT -- International Telegraph and Telephone Consultative Committee.
 
     Closed User Group -- A group of customers with some affiliation with one
another and which are treated for regulatory purposes as not being the public.
 
     Competitive Local Telecommunications Provider -- A company that provides
its customers with an alternative to the local telephone company for local
transport of private line, special access and transport of switched access
telecommunications services. Competitive Local Telecommunications Providers are
also referred to in the industry as alternative local telecommunications service
providers (ALTS), Competitive Access Providers (CAPs) and Competitive Local
Exchange Carriers (CLECs).
 
     Dark Fiber -- Fiber that lacks the requisite electronic and optronic
equipment necessary to use the fiber for transmission.
 
     Dedicated -- Refers to telecommunications lines dedicated to or reserved
for use by particular customers along predetermined routes (in contrast to
telecommunications lines within the local telephone company's public switched
network).
 
     Digital -- Describes a method of storing, processing and transmitting
information through the use of distinct electronic or optical pulses that
represent the binary digits 0 and 1. Digital transmission/switching technologies
employ a sequence of discrete, distinct pulses to represent information, as
opposed to the continuously variable analog signal.
 
     E1 -- Data transmission rate of approximately 2 Mbps.
 
     E3 -- Data transmission rate of approximately 34 Mbps.
 
     Electrosviaz -- regional telephone company.
 
                                       A-1
<PAGE>   210
 
     Enhanced Network Services -- Telecommunications services providing digital
connectivity, primarily for data applications, via frame relay, ATM, or digital
interexchange private line facilities. Enhanced network services also include
applications on such networks, including Internet access and other Internet
services.
 
     ERMES -- A standard for a pan-European radio message system sponsored by
the EC.
 
     Eutelsat -- European Telecommunications Satellite Organization; an
international satellite organization in which members of the European Union hold
an 88% combined investment.
 
     Frame Relay -- A wide area transport technology that organizes data into
units called frames instead of providing fixed bandwidth as with private lines.
A high-speed, data-packet switching service used to transmit data between
computers. Frame Relay supports data units of variable lengths at access speeds
ranging from 56 kilobits per second to 1.5 megabits per second. This service is
well-suited for connecting local area networks, but is not presently well-suited
for voice and video applications due to the variable delays which can occur.
Frame Relay was designed to operate at high speeds on modern fiber optic
networks.
 
     Gbps -- Gigabits per second, which is a measurement of speed for digital
signal transmission expressed in billions of bits per second.
 
     Gateway -- A network element interconnecting two otherwise incompatible
networks, network nodes, subnetworks or devices; performs a protocol conversion
operation across a wide spectrum of communications functions.
 
     GSM -- Global System for Mobile Communications, formerly known as Groupe
Speciale Mobile. GSM began as a pan-European standard for digital cellular
systems. The name was changed to reflect the fact that the standard has been
adopted by several countries in Asia.
 
     Hertz -- The unit for measuring the frequency with which an electromagnetic
signal cycles through the zero-value state between lowest and highest states.
One Hz (Hertz) equals one cycle per second. kHz (kilohertz) stands for thousands
of Hertz; MHz (megahertz) stands for millions of Hertz.
 
     Inmarsat -- The International Maritime Satellite service, which provides
mobile communications to ships at sea, aircraft in flight and vehicles on the
road.
 
     Intelsat -- International Telecommunications Satellite Organization; a
worldwide consortium of national satellite communications organizations.
 
     Interconnect -- Connection of a telecommunications device of service to the
PSTN.
 
     Interconnection -- Connection of a piece of telephone equipment to the
telephone network, or a data terminal to a data communications network. Also
refers to the connection of one communications network to another so that users
of one network can communicate with users of another network.
 
     International Simple Resale -- Refers to the wholesale purchase of IPLCs
from facilities-based carriers and the reselling of such capacity to customers
for switched telephone service.
 
     IPLC -- International Private Leased Circuits.
 
     ISDN (Integrated Services Digital Network) -- ISDN is an internationally
agreed standard which, through special equipment, allows two-way, simultaneous
voice and data transmission in digital formats over the same transmission line.
ISDN permits video conferencing over a single line, for example, and also
supports a multitude of value-added switched service applications. ISDN's
combined voice and data networking capabilities reduce costs for end users and
result in more efficient use of available facilities. ISDN combines standards
for highly flexible customer to network signaling with both voice and data
within a common facility.
 
     ITU -- International Telecommunications Union; a United Nations treaty
organization whose purpose is to accredit international telecommunications
standards. ITU signatories can turn ITU-approved standards into law through
international treaties such as the treaties governing use of the radio spectrum
for international satellite telecommunications and broadcasting.
 
                                       A-2
<PAGE>   211
 
     Kbps -- Kilobits per second, which is a measurement of speed for digital
signal transmission expressed in thousands of bits per second.
 
     Local Area Network (LAN) -- The interconnection of computers for the
purpose of sharing files, programs and peripheral devices such as printers and
high-speed modems. LANs may include dedicated computers or file servers that
provide a centralized source of shared files and programs. LANs are generally
confined to a single customer's premises and may be extended or interconnected
to other locations through the use of bridges and routers.
 
     Local Loop -- The local loop is that portion of the local telephone network
that connects the customer's premises to the local exchange provider's central
office or switching center. This includes all the facilities starting from the
customer premise interface which connects to the inside wiring and equipment at
the customer premise to a terminating point within the switching wire center.
 
     Mbps -- Megabits per second, which is a measurement of speed for digital
signal transmission expressed in millions of bits per second.
 
     MGTS -- Moscow city telephone network.
 
     Multiplexing -- The use of some means to inter-leave narrow-band or
slow-speed data from multiple sources in order to make use of a wide-band or
high-speed channel.
 
     NMT -- Acronym for Nordic Mobile Telephone System, a cellular standard
widely used in Northern Europe.
 
     Nodes -- Locations within the network housing electronic equipment and/or
switches which serve as intermediate connection points to send and receive
transmission signals.
 
     PBX/PABX (private branch exchange/private automatic branch exchange) -- A
customer operated switch on customer premises, typically used by large
businesses with multiple telephone lines.
 
     Plesiochronous Digital Hierarchy (PDH) -- A method of controlling the
timing between transmission and switching systems that is not synchronized but
rather relies on highly accurate clocks to minimize the slip rates between
switching nodes.
 
     POCSAG (Postal Office Code Standard Advisory Group) -- A lower-cost paging
technology which can be transmitted on ERMES frequency.
 
     Points of Presence (POPs) -- Locations where a carrier has installed
transmission equipment in a service area that serves as, or relays calls to, a
network switching center of that carrier.
 
     PSTN -- Public switched telecommunications network.
 
     PTT/PTO -- Postal, Telegraph and Telephone agency/Public Telephony
Operators; a government authority or agency that operates the public
telecommunications network, and sets standards and policies. PTTs/PTOs are
agencies in charge of telecommunications services in many countries, under
direct supervision of the national government.
 
     Redundant Electronics -- Describes a telecommunications facility using two
separate electronic devices to transmit the telecommunications signal so that if
one device malfunctions, the signal may continue without interruption.
 
     Regeneration/amplifier -- Devices which automatically re-transmit or boost
signals on an out-bound circuit.
 
     Route Kilometers -- The number of kilometers along which fiber optic cables
are installed.
 
     Route Mile -- The number of miles along which fiber optic cables are
installed.
 
     SDH -- Synchronous Digital Hierarchy; the international standard for
ultra-high-speed broadband fiber-optic, digital transmission networks that use
equipment from many different manufacturers and carry a variety
 
                                       A-3
<PAGE>   212
 
of services. The basic communications channel of SDH is a 155.51 Mbps
transmission channel that is multiplexed upward.
 
     STM-1 -- Data transmission rate of approximately 155 Mbps.
 
     STM-4 -- Data transmission rate of approximately 622 Mbps.
 
     STM-16 -- Data transmission of approximately 2,488 Mbps.
 
     STM-64 -- Data transmission rate of approximately 9,952 Mbps.
 
     Switch -- A mechanical or electronic device that opens or closes circuits
or selects the paths or circuits to be used for the transmission of information.
Switching is a process of linking different circuits to create a temporary
transmission path between users.
 
     Synchronous Digital Hierarchy (SDH) -- SDH is a set of standards for
optical communications transmission systems that define optical rates and
formats, signal characteristics, performance, management and maintenance
information to be embedded within the signals and the multiplexing techniques to
be employed in optical communications transmission systems. SDH facilitates the
interoperability of dissimilar vendors' equipment and benefits customers by
minimizing the equipment necessary for telecommunications applications. SDH also
improves the reliability of the local loop connecting customers' premises to the
local exchange provider, historically one of the weakest links in the service
delivery.
 
     TCP/IP -- Transmission Control Protocol/Internet Protocol; an "open"
standard operating and interface protocol for federal government local area
networks that use devices from multiple vendors. TCP/IP, first developed by the
U.S. Defense Department, has been adopted by some academic and business
institutions who deal regularly with the federal government.
 
     Trunk -- A telephone circuit with a switch at both ends. A trunk may
connect two central office switches, or two PBXs, or a PBX and a central office
switch.
 
     VSAT -- Very Small Aperture Terminal; a satellite communications technology
that employs frequencies in the Ku band or C band and very small receiving
dishes. VSAT systems employ satellite transponders; the receiving dishes may be
leased or owned by the VSAT user.
 
     Wavelength Division Multiplexing (WDM) -- A multiplexing technique allowing
multiple different signals to be carried simultaneously on a fiber by allocating
resources according to frequency on non-overlapping frequency bands.
 
     X.25 -- A CCITT standard governing the interface between data terminals and
data circuit termination equipment for terminals on packet-switched data
networks.
 
                                       A-4
<PAGE>   213
 
             ======================================================
 
  NO DEALER, SALESPERSON OR OTHER INDIVIDUAL HAS BEEN AUTHORIZED TO GIVE ANY
INFORMATION OR MAKE ANY REPRESENTATIONS NOT CONTAINED IN THIS PROSPECTUS IN
CONNECTION WITH THE OFFERING COVERED BY THIS PROSPECTUS. IF GIVEN OR MADE, SUCH
INFORMATION OR REPRESENTATIONS MUST NOT BE RELIED UPON AS HAVING BEEN AUTHORIZED
BY THE COMPANY OR THE UNDER-WRITERS. THIS PROSPECTUS DOES NOT CONSTITUTE AN
OFFER TO SELL, OR A SOLICITATION OF AN OFFER TO BUY ANY SECURITY OTHER THAN THE
SECURITIES OFFERED HEREBY, NOR DOES IT CONSTITUTE AN OFFER TO SELL, OR A
SOLICITATION OF AN OFFER TO BUY ANY OF THE SECURITIES OFFERED HEREBY, TO ANY
PERSON IN ANY JURISDICTION WHERE SUCH AN OFFER OR SOLICITATION WOULD BE
UNLAWFUL. NEITHER THE DELIVERY OF THIS PROSPECTUS NOR ANY SALE MADE HEREUNDER
SHALL, UNDER ANY CIRCUMSTANCES, CREATE AN IMPLICATION THAT THERE HAS NOT BEEN
ANY CHANGE IN THE FACTS SET FORTH IN THIS PROSPECTUS OR IN THE AFFAIRS OF THE
COMPANY SINCE THE DATE HEREOF.
 
                             ---------------------
 
                               TABLE OF CONTENTS
 
<TABLE>
<CAPTION>
                                         PAGE
<S>                                      <C>
Prospectus Summary.....................    1
Risk Factors...........................   12
Use of Proceeds........................   27
Capitalization.........................   28
Selected Historical Consolidated
  Financial Data.......................   29
Supplemental Information -- Selected
  Historical Financial Data............   30
Management's Discussion and Analysis of
  Financial Condition and Results of
  Operations...........................   31
Business...............................   44
Management.............................   91
Executive Compensation and Other
  Information..........................   94
Certain Related Party Transactions.....  104
Principal Stockholders.................  107
Description of Certain Indebtedness....  109
Description of the Notes...............  111
Certain United States Federal Tax
  Consequences.........................  143
Underwriting...........................  146
Legal Matters..........................  147
Experts................................  147
Index to Financial Statements..........  F-1
Exhibit A -- Glossary of
  Telecommunications Industry Terms....  A-1
</TABLE>
 
                             ---------------------
 
  UNTIL MAY 5, 1998, ALL DEALERS EFFECTING TRANSACTIONS IN THE NOTES, WHETHER OR
NOT PARTICIPATING IN THIS DISTRIBUTION, MAY BE REQUIRED TO DELIVER A PROSPECTUS.
THIS DELIVERY REQUIREMENT IS IN ADDITION TO THE OBLIGATION OF DEALERS TO DELIVER
A PROSPECTUS WHEN ACTING AS UNDERWRITERS AND WITH RESPECT TO THEIR UNSOLD
ALLOTMENTS OR SUBSCRIPTIONS.
 
             ======================================================
 
             ======================================================
 
                                  $105,000,000
 
                     [GLOBAL TELESYSTEMS GROUP, INC. LOGO]
                         GLOBAL TELESYSTEMS GROUP, INC.
 
                              9 7/8% SENIOR NOTES
                                    DUE 2005
 
                             ---------------------
 
                                   PROSPECTUS
                             ---------------------
 
                          DONALDSON, LUFKIN & JENRETTE
                             SECURITIES CORPORATION
 
                              MERRILL LYNCH & CO.
 
                                 UBS SECURITIES
 
                                FEBRUARY 4, 1998
 
             ======================================================


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