ARCH COMMUNICATIONS GROUP INC /DE/
10-K, 1998-03-30
RADIOTELEPHONE COMMUNICATIONS
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                                  UNITED STATES
                       SECURITIES AND EXCHANGE COMMISSION
                             Washington, D.C. 20549
                                    Form 10-K

(Mark One)

ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES  EXCHANGE ACT OF
1934 [NO FEE REQUIRED] X

For the Fiscal Year Ended December 31, 1997

TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT
OF 1934 [NO FEE REQUIRED]

For the transition period from             to
Commission file numbers 0-23232/1-14248

                         Arch Communications Group, Inc.
             (Exact name of Registrant as specified in its Charter)

                DELAWARE                                31-1358569
        (State of incorporation)           (I.R.S. Employer Identification No.)

      1800 West Park Drive, Suite 250
        Westborough, Massachusetts                         01581
 (address of principal executive offices)               (Zip Code)

                                 (508) 870-6700
              (Registrant's telephone number, including area code)

             SECURITIES REGISTERED  PURSUANT TO SECTION 12(b) OF THE  SECURITIES
                        EXCHANGE ACT OF 1934:
 10 7/8% Senior Discount Notes due 2008         American Stock Exchange
         (Title of Class)                (Name of exchange on which registered)

             SECURITIES REGISTERED  PURSUANT TO SECTION 12(g) OF THE  SECURITIES
                        EXCHANGE ACT OF 1934:
                      Common Stock Par Value $.01 Per Share
                                (Title of class)

Indicate by check mark whether the Registrant (1) has filed all reports required
to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during
the  preceding 12 months (or for such  shorter  period that the  Registrant  was
required  to file  such  reports),  and  (2) has  been  subject  to such  filing
requirements for the past 90 days. YES X NO

Indicate by check mark if disclosure of delinquent  filers  pursuant to Item 405
of Regulation  S-K is not contained  herein,  and will not be contained,  to the
best of registrant's  knowledge,  in definitive proxy or information  statements
incorporated by reference in Part III of this Form 10-K or any amendment to this
Form 10-K

The  aggregate  market value of the voting stock held by  non-affiliates  of the
Registrant at March 24, 1998 was approximately $111,580,000.

The number of shares of Registrant's  Common Stock outstanding on March 24, 1998
was 20,958,570

Portions of Registrant's  Definitive Proxy Statement for the 1998 Annual Meeting
of Stockholders  of the Registrant to be held on May 19, 1998, are  incorporated
by reference into Part III.



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                                     PART I


ITEM 1. BUSINESS

General

     Arch  Communications  Group,  Inc.  ("Arch" or the  "Company") is a leading
provider of wireless messaging services,  primarily paging services, and had 3.9
million  pagers in service as of December 31,  1997.  Arch has  operations  in a
total of 41 states and 180 of the 200 largest markets in the United States.

     The Company offers local, regional and nationwide paging services employing
digital networks  covering  approximately  85% of the United States  population.
Arch  offers  four  types of  paging  services:  digital  display,  alphanumeric
display,   tone-only  and   tone-plus-voice.   Arch  also  offers   enhanced  or
complementary services,  including voice mail,  personalized greetings,  message
storage and retrieval,  pager loss protection and pager maintenance.  As part of
its  business,  the  Company  rents,  sells and repairs  pagers.  The Company is
licensed by the Federal Communications  Commission ("FCC") to provide paging and
related  services  in the  markets  it  serves.  Generally,  such  licenses  are
exclusive to a particular radio frequency,  although multiple frequencies may be
licensed in any given market. See "Business -- Regulation".

     Arch has grown  rapidly  through  a  combination  of  internal  growth  and
acquisitions  since it began operations in 1986. The Company's net revenues (the
sum of service revenues and product sales, less the cost of product sales),  the
normal presentation of revenues in the paging industry, were $367,683,000 in the
year ended  December 31, 1997.  The Company's  operating  cash flow, or earnings
before  interest,  taxes,  depreciation and  amortization  ("EBITDA"),  the most
relevant  measure  of  operating  performance  for  the  paging  industry,   was
$130,332,000  for the year.  Because  paging is a  capital  intensive  industry,
particularly  during  periods of rapid growth,  and because the Company has made
sizeable  acquisitions  accounted  for by the  purchase  method  of  accounting,
significant  depreciation and  amortization  expenses are charged against Arch's
operations. Because the Company has incurred large amounts of debt in its growth
and in the course of its acquisition  program,  significant  interest expense is
charged  against  its  operations.  As a result of these  charges,  the  Company
historically  has incurred net losses,  including a net loss of $181,874,000 for
the year ended December 31, 1997.

     The  following   table  sets  forth  certain   information   regarding  the
approximate  number  of pagers  in  service  with  Company  subscribers  and net
increases in number of pagers through  internal growth and  acquisitions  during
the periods indicated:

               Pagers in
               Service at    Net Increase in      Increase in       Pagers in
Year Ended    Beginning of   Pagers through      Pagers through     Service at
August 31,      Period      Internal Growth(1)   Acquisitions(2)  End of Period

  1987....        4,000            3,000               12,000           19,000
  1988....       19,000            8,000                3,000           30,000
  1989....       30,000           14,000               34,000           78,000
  1990....       78,000           20,000                4,000          102,000
  1991....      102,000           24,000                1,000          127,000
  1992....      127,000           33,000                    -          160,000
  1993....      160,000           70,000               24,000          254,000
  1994....      254,000          138,000               18,000          410,000


 Four Months
   Ended
December 31,
  1994....      410,000           64,000               64,000          538,000


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               Pagers in
               Service at    Net Increase in      Increase in       Pagers in
Year Ended    Beginning of   Pagers through      Pagers through     Service at
December 31,    Period      Internal Growth(1)   Acquisitions(2)  End of Period

  1995....      538,000          366,000            1,102,000        2,006,000
  1996....    2,006,000          815,000              474,000        3,295,000
  1997....    3,295,000          595,000                -            3,890,000



(1)  Includes   internal  growth  in  acquired  paging  businesses  after  their
     acquisition by Arch. Increases in pagers through internal growth are net of
     subscriber cancellations during each applicable period.

(2)  Based on pagers in service of  acquired  paging  businesses  at the time of
     their acquisition by Arch.

Acquisition of USA Mobile

     On  September  7,  1995,  Arch  Communications   Group,  Inc.,  a  Delaware
corporation  ("Old Arch"),  completed its acquisition of USA Mobile,  a Delaware
corporation,  through  the merger (the  "Merger")  of Old Arch with and into USA
Mobile, which simultaneously changed its name to Arch Communications Group, Inc.
In  accordance  with  generally  accepted  accounting  principles,  Old Arch was
treated as the acquirer in the Merger for  accounting  and  financial  reporting
purposes,  and the Company  reports the historical  financial  statements of Old
Arch as the  historical  financial  statements  of the Company.  As used herein,
unless the context otherwise  requires,  the terms "Arch" or the "Company" refer
to Arch Communications  Group, Inc. from and after the Merger and Old Arch prior
to the Merger,  in each case together with its wholly-owned  direct and indirect
subsidiaries,  and the term "USA  Mobile"  refers to USA  Mobile  Communications
Holdings,  Inc. prior to the Merger  together with its  wholly-owned  direct and
indirect subsidiaries.

Paging Industry Overview

     Paging is a method of wireless  communication  which uses an assigned radio
frequency to contact a paging  subscriber  anywhere within a designated  service
area. A subscriber carries a pager which receives messages by the broadcast of a
one-way  radio  signal.  To contact a  subscriber,  a message is usually sent by
placing a telephone call to the subscriber's  designated  telephone number.  The
telephone  call is received by an  electronic  paging  switch which  generates a
signal that is sent to radio  transmitters  in the service area.  Depending upon
the topography of the service area, the operating radius of a radio  transmitter
typically  ranges from three to 20 miles.  The  transmitters  broadcast a signal
that is received by the pager a subscriber carries,  which alerts the subscriber
by a tone or  vibration  that there is a voice,  tone,  digital or  alphanumeric
message.

     Arch  believes  that  paging  is the  most  cost-effective  form of  mobile
wireless  communications.  Paging has an advantage over  conventional  telephone
service because a pager's reception is not restricted to a single location,  and
over a cellular telephone because a pager is smaller,  has a longer battery life
and,  most  importantly,  because  pagers and air time  required  to transmit an
average  message cost less than equipment and air time for cellular  telephones.
Paging subscribers  generally pay a flat monthly service fee for pager services,
regardless of the number of messages,  unlike  cellular  telephone  subscribers,
whose bills  typically have a significant  variable usage  component.  For these
reasons,  some  cellular  subscribers  use a pager  in  conjunction  with  their
cellular  telephone  to screen  incoming  calls and thus  lower the  expense  of
cellular telephone service.

     Industry sources estimate that, since 1991, the number of pagers in service
in the United States has grown at an annual rate of  approximately  30% and will
continue  to grow at an annual  rate of  approximately  15% until the year 2000.
Based on industry sources,  Arch believes that there are in excess of 45 million
pagers  in  service  in  the  United  States  at  December  31,  1997.   Factors
contributing  to  this  growth  include:   (i)  a  continuing  shift  towards  a
service-based economy; (ii) increasing mobility of workers and the population at
large; (iii) increasing awareness of the benefits of mobile communications among
the  population  at  large;  (iv) the  relatively  high cost of  two-way  mobile
communications,  such as cellular telephone services; (v) introduction of new or
enhanced  paging  services,   including   nationwide  paging  capability;   (vi)

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continuing  improvements  in the  performance  of  paging  equipment;  and (vii)
significant  price/performance  improvements  in  paging  services.  The  paging
industry has undergone  substantial  consolidation  over the past ten years, and
Arch believes that the top five paging carriers  represent  approximately 50% of
the pagers in  service.  Nonetheless,  Arch  believes  that the paging  industry
remains  fragmented,  with more than 300 licensed carriers in the United States,
and will continue to undergo consolidation.

     The paging  industry has benefited from  technological  advances  resulting
from research and  development  conducted by vendors of pagers and  transmission
equipment.   Such  advances  include  microcircuitry,   liquid  crystal  display
technology  and  standard  digital  encoding  formats,  which have  enhanced the
capability and capacity of paging services while lowering equipment and air time
costs.  Technological  improvements  have enabled Arch to provide better quality
services at lower prices to its  subscribers  and have generally  contributed to
strong growth in the market for paging services.

     The paging  industry has  traditionally  distributed  its services  through
direct marketing and sales activities.  In recent years,  additional channels of
distribution  have  evolved,   including:   (i)  carrier-operated  stores;  (ii)
resellers,  who purchase  paging services on a wholesale basis from carriers and
resell those services on a retail basis to their own customers; (iii) agents who
solicit  customers for carriers and are compensated on a commission  basis; (iv)
retail outlets that often sell a variety of  merchandise,  including  pagers and
other  telecommunications  equipment;  and (v) most recently the Internet. While
most  paging  subscribers  traditionally  have  been  business  users,  industry
observers believe that pager use among consumers has increased  significantly in
recent  years.  In addition,  paging  subscribers  have  increasingly  chosen to
purchase rather than lease their pagers. These trends are expected to continue.

Business Strategy

     Arch's  strategic  objective  is to  strengthen  its position as one of the
leading  nationwide  paging  companies in the United States.  Arch believes that
larger,  multi-market paging companies enjoy a number of competitive advantages,
including:  (i) operating efficiencies resulting from more intensive utilization
of  existing  paging  systems;   (ii)  economies  of  scale  in  purchasing  and
administration;  (iii)  broader  geographic  coverage  of paging  systems;  (iv)
greater access to capital markets and lower costs of capital; (v) the ability to
obtain  additional  radio  spectrum;  (vi) the  ability  to  offer  high-quality
services at competitive prices; and (vii) enhanced ability to attract and retain
management  personnel.  Arch  believes  that the  current  size and scope of its
operations  afford it many of these  advantages.  Arch also  believes that major
paging  companies  need to have national  scope and presence in order to attract
marketing  affiliations  and other  opportunities  for  growth.  Arch's two most
recent acquisitions,  USA Mobile and Westlink Holdings,  Inc.  ("Westlink") have
enabled the Company to effectively compete on a national level and position Arch
to exploit such opportunities while continuing to pursue its growth strategy.

     Arch employs a three-part growth strategy to expand its subscriber base and
geographic operations:

     Continued Market Development and Penetration. Arch increases its subscriber
base through  continued  development  and  penetration of its existing  markets,
primarily  through  sales and marketing  efforts.  Expansion of Arch's sales and
marketing  activities  within areas of existing service coverage broadens Arch's
potential  subscriber base with minimal incremental capital investment and, over
time, contributes to higher margins through increased system utilization.

     Expansion of Sales and  Marketing  Activities.  Arch expands its  marketing
coverage,  principally  by opening new sales  offices,  to areas  contiguous  to
existing sales operations  within Arch's current system  coverage.  Expansion of
sales and marketing  activities  into new markets  contiguous to existing  sales
operations may solidify Arch's  presence in existing  markets and enable Arch to
leverage further its infrastructure within these markets.

     Acquisitions. Arch makes two types of acquisitions;  fold-in and strategic.
Fold-in  acquisitions  are acquisitions of paging  businesses  located within or
adjacent to Arch's current system coverage. Fold-in acquisitions increase Arch's
subscriber  base and  revenues  and offer  opportunities  to  achieve  operating
efficiencies  by  consolidating  staff,  eliminating  duplicative  overhead  and
integrating the acquired  subscribers  into Arch's own paging system and billing
and  collection  processes.  Arch also makes  strategic  acquisitions  to expand
Arch's  geographic  coverage into new markets  outside of Arch's  current system
coverage.

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     Although today Arch operates in 90 of the top 100 U.S. markets, the Company
historically has focused on medium-sized and small market areas with lower rates
of pager  penetration  and attractive  demographics  and Arch believes that such
markets  will  continue  to  offer  significant  opportunities  for  growth.  In
addition,  Arch believes that its  increasing  national  scope and presence will
provide  Arch with  growth  opportunities  in larger  markets,  including  major
metropolitan areas adjacent to certain of Arch's existing markets.

     Arch  believes  that its  selection  of  low-cost  operator  status  as its
competitive  tactic  provides it with  flexibility to offer  competitive  prices
while still  achieving  target  margins and  EBITDA.  Arch  maintains a low-cost
operating  structure  through a combination of (i) the  consolidation of certain
operating  functions,  including  centralized  purchases  from key  vendors,  to
achieve economies of scale, and (ii) the installation of efficient, high-quality
transmission systems.

     Arch believes that its decentralized organizational structure enables it to
offer superior  customer  service and to respond to subscriber needs quickly and
effectively.  Arch's operating regions operate largely as independent  entities,
while  strategic  planning,  equipment  purchasing,  capital  formation,  legal,
acquisition  and similar  functions are conducted on a  centralized  basis.  The
management of each operating region makes staffing, administrative,  operational
and marketing  decisions within guidelines  established by the senior management
of Arch.

     Arch has taken steps to position  itself to participate in new and emerging
services  and  applications  in  narrowband  wireless  personal   communications
("N-PCS").  These initiatives include (i) Arch's equity investment in Benbow PCS
Ventures,  Inc.  ("Benbow"),  which gives Arch access to two regional narrowband
PCS licenses  controlled by Benbow which will provide  coverage to a substantial
portion of the western  United States,  and (ii) an equity  investment in CONXUS
Communications,   Inc.  (formerly  PCS  Development  Corporation),  which  holds
exclusive rights to regional two way messaging licenses which provide nationwide
coverage.

Paging Operations

     Arch provides paging service to subscribers for a monthly fee.  Subscribers
either lease the pager from Arch for an additional fixed monthly fee or they own
the pager,  having  purchased  it either from Arch or from another  vendor.  The
monthly  service fee is generally based upon the type of service  provided,  the
geographic  area covered,  the number of pagers provided to the customer and the
period of the subscriber's  commitment.  Subscriber-owned  pagers provide a more
rapid recovery of Arch's capital  investment than pagers owned and maintained by
Arch,  but may  generate  less  recurring  revenue.  Arch also  sells  pagers to
third-party  resellers who lease or resell pagers to their own  subscribers  and
resell Arch's paging services under marketing agreements.

     Arch also provides  enhancements and ancillary services such as voice mail,
personalized greetings, message storage and retrieval, pager loss protection and
pager  maintenance  services.  Voice  mail  allows a caller to leave a  recorded
message that is stored in Arch's  computerized  message retrieval center. When a
message  is left,  the  subscriber  can be  automatically  alerted  through  the
subscriber's  pager and can retrieve the stored message by calling Arch's paging
terminal.  Personalized  greetings  allow the  subscriber to record a message to
greet  callers  who  reach the  subscriber's  pager or voice  mail box.  Message
storage and  retrieval  allows a subscriber  who leaves  Arch's  service area to
retrieve  calls that arrived  during the  subscriber's  absence from the service
area. Pager loss protection  allows  subscribers who lease pagers to limit their
costs of replacement  upon loss or destruction of the pager.  Pager  maintenance
services are offered to subscribers who own their own equipment.

Subscribers and Marketing

     Arch's paging  accounts are generally  businesses with employees who travel
frequently  but must be  immediately  accessible  to their offices or customers.
Arch's  subscribers  include  proprietors  of small  businesses,  professionals,
management  and medical  personnel,  field sales  personnel and service  forces,
members of the  construction  industry and trades,  and real estate  brokers and
developers.  In addition,  Arch  believes  that pager use among  consumers  will
increase  significantly  in the  future,  although  consumers  do not  currently
account for a substantial portion of Arch's subscriber base.

     Arch  markets  its paging  services  through a direct  marketing  and sales
organization which, as of December 31, 1997,  operated  approximately 200 retail
stores.  Arch also markets its paging services  indirectly  through  independent
resellers,
 
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agents and retailers.  Arch typically  offers resellers paging services in large
quantities at wholesale  rates that are lower than retail  rates,  and resellers
offer the services to end-users at a mark-up.  Arch's costs of administering and
billing  resellers  are lower than the costs of direct  end-users on a per pager
basis.  Arch also acts as a reseller of other  paging  carriers'  services  when
existing or potential Arch  customers  have travel  patterns that require paging
service beyond the coverage of Arch's own networks.

Competition

     Arch experiences competition from one or more competitors in all markets in
which it operates,  but no single  competitor  competes  with Arch in all of its
markets, although certain competitors hold nationwide licenses that would enable
them to compete in all of Arch's markets if they choose to do so.  Although some
of Arch's  competitors are small,  privately owned companies  serving one market
area, others are large diversified telecommunications companies, including AT&T.
Some of Arch's  competitors  possess  financial,  technical and other  resources
greater than those of Arch. Major paging carriers that currently  compete in one
or more of Arch's markets include Paging Network, Inc., MobileMedia Corporation,
Metrocall,  Inc. and AirTouch  Communications,  Inc. As paging  services  become
increasingly   interactive,   and  as  two-way   services  become   increasingly
competitive,  the scope of competition for  communications  service customers in
Arch's  markets may broaden.  For example,  in 1995,  the FCC commenced  issuing
licenses  for  the  provision  of  broadband  personal  communications  services
("PCS"),  with  many  grants  going to  major  telecommunications  companies  or
conglomerates with greater financial resources than Arch. Some of these carriers
have initiated broadband PCS services in many major markets which include "short
messaging", a form of advanced alphanumeric paging, as part of its two-way voice
communications  product.  In addition,  the FCC has created potential sources of
competition  by opening up new  spectrum for such  services as General  Wireless
Communications Services ("GWCS") and Wireless Communications Services ("WCS") as
well as speeding up licensing of other services through  auctions  including the
Local Multipoint Distribution Service ("LMDS") and 220-222 MHz.

     Arch believes that  competition for paging  subscribers is based on quality
of service,  geographic  coverage and price. Arch believes it generally competes
effectively based on these factors.

Sources of Equipment

     Arch does not  manufacture any of the pagers or other equipment used in its
paging  operations.  The equipment used in Arch's paging operations is generally
available  for  purchase  from  multiple  sources.  Arch  centralizes  price and
quantity negotiations for all of its operating  subsidiaries in order to achieve
cost savings from volume purchases. Arch buys pagers primarily from Motorola and
NEC and  purchases  terminals  and  transmitters  primarily  from  Glenayre  and
Motorola.  Arch  anticipates  that  equipment  and pagers  will  continue  to be
available in the foreseeable  future,  consistent with normal  manufacturing and
delivery lead times.

     Because  of the high  degree of  compatibility  among  different  models of
transmitters,  computers and other paging  equipment  manufactured by suppliers,
Arch is able to design  its  systems  without  being  dependent  upon any single
source of such equipment.  Arch routinely  evaluates new  developments in paging
technology in connection  with the design and  enhancement of its paging systems
and selection of products to be offered to  subscribers.  Arch believes that its
paging system equipment is among the most  technologically  sophisticated in the
paging industry.

Regulation

     Paging  operations  and  the  construction,   modification,  ownership  and
acquisition  of paging  systems are subject to extensive  regulation  by the FCC
under the  Communications  Act of 1934, as amended (the  "Communications  Act"),
and,  to a much more  limited  extent,  by  public  utility  or  public  service
commissions in certain states. The following  description does not purport to be
a complete  discussion of all present and proposed  legislation  and regulations
relating to Arch's paging operations.


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     Federal Regulation

     Paging  companies  historically  have been  subject  to  different  federal
regulatory  requirements depending upon whether they were providing service as a
Radio Common Carrier ("RCC"),  a Private Carrier Paging ("PCP") operator or as a
reseller.  Arch's paging  operations  encompass RCC, PCP and resale  operations.
However,  federal  legislation  enacted in 1993  required  the FCC to reduce the
disparities in the regulatory  treatment of similar mobile services (such as RCC
and PCP  services),  and the FCC has taken,  and  continues to take,  actions to
implement this legislation.

     Under the new  regulatory  structure,  all of Arch's  paging  services  are
classified as commercial mobile radio service ("CMRS"). As a CMRS provider, Arch
is  regulated  as a common  carrier,  except  that the FCC has  exempted  paging
services,  which have been  found to be highly  competitive,  from some  typical
common carrier regulations, such as tariff filing requirements.

     The classification of Arch's paging operations as CMRS affects the level of
permissible  foreign  ownership and the nature and extent of state regulation to
which Arch is subject. In addition, the FCC now is required to resolve competing
requests for CMRS spectrum by  conducting an auction,  which may have the effect
of  increasing  the costs of acquiring  additional  spectrum in markets in which
Arch  operates.  Also,  Arch is  obligated  to pay  certain  regulatory  fees in
connection with its paging operations.

     The FCC's  review and  revision  of rules  affecting  paging  companies  is
ongoing  and the  regulatory  requirements  to which Arch is subject  may change
significantly  over  time.  For  example,  the FCC has  adopted  a  market  area
licensing  scheme for all paging channels under which carriers would be licensed
to operate on a  particular  channel  throughout  a broad  geographic  area (for
example,  a Major  Trading  Area as defined by Rand  McNally)  rather than being
licensed on a site-by-site basis. These geographic area licenses will be awarded
pursuant  to an auction.  After  auction,  existing  paging  facilities  will be
entitled to protection as grandfathered  systems. Arch is participating actively
in this  proceeding  in order to  protect  its  existing  operations  and retain
flexibility,  on an interim and long-term  basis, to modify systems as necessary
to meet subscriber  demands.  The FCC is also considering whether CMRS operators
should be obligated to interconnect  their systems with others and be prohibited
from placing  restrictions on the resale of their services  (except with respect
to paging, which has already been relieved of the obligation to provide resale).
Arch depends in its business on the assignment and use of standard and toll free
telephone  numbers  for  its  paging  units.  The  FCC,  in  some  states,  have
proceedings  underway that may have a significant  impact on the manner in which
telephone numbers are assigned and utilized by common carriers, including paging
companies,  and on the ability of subscribers to retain their telephone  numbers
if, or when,  they  change  paging  companies.  Some of the  alternatives  under
consideration  by the  FCC,  if  adopted,  could  increase  the  cost to Arch of
telephone numbers, restrict the manner in which certain numbers could be used or
affect the ability of Arch to retain certain numbers previously assigned.

     The  Communications  Act requires that Arch obtain licenses from the FCC to
use  radio  frequencies  to  conduct  its  paging  operations  within  specified
geographic  areas, and Arch is licensed by the FCC to provide paging services in
each geographic  area in which it has operations.  Licenses issued by the FCC to
Arch set  forth  the  technical  parameters,  such as power  strength  and tower
height,  under  which  Arch is  authorized  to use  those  frequencies.  In many
instances,  Arch requires the prior  approval of the FCC before it can implement
any  significant  changes  to its  radio  systems.  Once the FCC's  market  area
licensing  rules  are  implemented,   all  of  these   site-specific   licensing
obligations  will be  eliminated,  with  the  exception  of  applications  still
required by Section 22.369 of the FCC Rules (request for authority to operate in
a designated  Quiet Zone),  Section 90.77 (request for authority to operate in a
protected   radio    receiving    location)   and   Section   1.1301   et   seq.
(construction/modification that may have a significant environmental impact), or
for coordination with Canada or Mexico.

     The FCC licenses  granted to Arch are for varying terms of up to ten years,
at the end of which time renewal  applications must be approved by the FCC. Some
of the authorizations  held by Arch are subject to FCC construction  obligations
which must be met for the  licenses  to be  retained.  In the past,  FCC renewal
applications  routinely have been granted in most cases upon a demonstration  of
compliance with FCC regulations and adequate service to the public.  The FCC has
granted each renewal application Arch has filed. Although Arch is unaware of any
circumstances  which would  prevent  the grant of any pending or future  renewal
applications,  no assurance can be given that any of Arch's renewal applications
will be free of challenge or will be granted by the FCC.  Furthermore,  although
revocation and involuntary
                                        7
<PAGE> 8

modification of licenses are extraordinary  regulatory measures, the FCC has the
authority  to restrict  the  operation  of licensed  facilities  or to revoke or
modify licenses.

     The  Communications Act requires  licensees,  such as Arch, to obtain prior
approval  from  the  FCC  for the  assignment  or  transfer  of  control  of any
construction  permit  or  station  license,   or  any  rights  thereunder.   The
Communications  Act also requires prior approval by the FCC for  acquisitions of
the licenses of, or controlling  equity  interests in, other paging companies by
Arch. To date, the FCC has approved each  assignment and transfer of control for
which Arch has sought  approval.  Although  there can be no  assurance  that any
requests  for  approval  or  applications  filed by Arch will be acted upon in a
timely  manner by the FCC,  or that the FCC will  grant the  approval  or relief
requested, Arch knows of no reason to believe any such requests, applications or
relief  will not be  approved  or  granted.  Currently  underway at the FCC is a
proceeding  wherein  the FCC's  Wireless  Telecommunications  Bureau (the Bureau
directly  regulating  Arch's  paging  activities)  is proposing to eliminate all
filing  requirements  associated  with pro forma  assignments  and  transfers of
control of wireless authorizations. This proposal would expedite the process and
reduce the cost related to corporate reorganizations.

     The  Communications Act also limits foreign ownership of entities that hold
licenses from the FCC. Because Arch,  through its  subsidiaries,  holds licenses
from the FCC, in general, no more than 25% of Arch's stock may be owned or voted
by aliens or their representatives, a foreign government or its representatives,
or a foreign corporation.  An FCC licensee may, however,  make prior application
to the  FCC  for a  determination  that  it is in  the  public  interest  for an
individual licensee to exceed the 25 percent foreign ownership benchmark.

     The  Telecommunications  Act of 1996 directly affects Arch. Some aspects of
the new statute could have a beneficial effect on Arch's business.  For example,
proposed federal guidelines regarding antenna siting issues may remove local and
state barriers to the construction of communications facilities, although states
and municipalities  continue to exercise significant control with regard to such
siting  issues.  In  addition,  efforts  to  increase  competition  in the local
exchange and  interexchange  industries may reduce the cost to Arch of acquiring
necessary  communications  services  and  facilities.  On the other  hand,  some
provisions  relating to the  assignment of new area codes and universal  service
obligations   (and   potentially,   provisions   relating  to  telephone  number
portability)  place  additional  burdens  upon Arch or subject Arch to increased
competition.

     State Regulation

     In  addition  to  regulation  by the FCC,  certain  states  impose  various
regulations on the common carrier paging operations of Arch.  Regulation in some
states  historically  required Arch to obtain certificates of public convenience
and necessity before  constructing,  modifying or expanding paging facilities or
offering or abandoning paging services.  Rates, terms and conditions under which
Arch provided services, or any changes to those rates, have also been subject to
state regulation.  However,  under the Federal Budget Reconciliation Act of 1993
(the "Budget Act"), as a general rule, states are preempted from exercising rate
and entry  regulation  of CMRS,  but may  choose  to  regulate  other  terms and
conditions of service (for example,  requiring the identification of an agent to
receive  complaints).  The preemption of state entry regulation was confirmed in
the Telecommunications  Act of 1996. In certain instances,  the construction and
operation of radio transmitters also will be subject to zoning, land use, public
health and safety,  consumer  protection and other state and local taxes, levies
and ordinances. States also were accorded an opportunity to petition the FCC for
authority  to continue  to  regulate  CMRS rates under the Budget Act if certain
conditions  were met. State filings  seeking rate authority have all been denied
by the FCC,  although new petitions  seeking such  authority may be filed in the
future.

     States also may regulate terms and  conditions  (other than entry or rates)
of paging services  provided within such states.  Arch believes that to date all
required state filings for Arch's paging operations have been made.

     Future Regulation

     From time to time,  legislation which could potentially affect Arch, either
beneficially or adversely,  is proposed by federal or state  legislators.  There
can be no assurance that legislation will not be enacted by the federal or state
governments, or that regulations will not be adopted or actions taken by the FCC
or state regulatory authorities, which

                                        8
<PAGE> 9

might  materially  adversely  affect the  business of Arch.  Changes such as the
allocation  by the FCC of radio  spectrum for services  that compete with Arch's
business could adversely affect Arch's results of operations.

Trademarks

     The  Company  holds a  federal  registration  for the  service  mark  "Arch
Nationwide Paging(R)".

Employees

     At December 31, 1997, Arch employed approximately 2,800 personnel.  None of
Arch's  employees  is  represented  by a labor  union.  Arch  believes  that its
employee relations are good.

ITEM 2. PROPERTIES

     At December 31, 1997,  Arch owned five office  buildings  and leased office
space (including its executive  offices) in over 200 localities in 35 states for
use in conjunction with its paging  operations.  Arch also owned 141 transmitter
sites in 20 states and the transmitter  broadcast towers on most of those sites.
Arch leases  transmitter sites and/or owns transmitters on commercial  broadcast
towers, buildings and other fixed structures in approximately 3,189 locations in
45 states.  Arch's  leases are for various  terms and provide for monthly  lease
payments at various rates.  As of December 31, 1997,  Arch was obligated to make
total lease payments of  approximately  $16.9 million under its office  facility
and tower site leases for the year ending  December 31, 1998. Arch believes that
it will be able to obtain additional space as needed at an acceptable cost.

ITEM 3. LEGAL PROCEEDINGS

     The  Company is  involved  in various  lawsuits  and claims  arising in the
normal course of business.  The Company  believes that none of such matters will
have a material adverse effect on the Company's business or financial condition.

ITEM 4. SUBMISSION OF MATTERS TO A VOTE OF SECURITY HOLDERS

     No matters  were  submitted to  stockholders  during the three months ended
December 31, 1997.



                                       9
<PAGE> 10

                                     PART II



ITEM 5. MARKET FOR REGISTRANT'S COMMON EQUITY AND RELATED STOCKHOLDER MATTERS


     The Company's  common stock is included in the Nasdaq National Market under
the symbol "APGR".  The following table sets forth for the periods indicated the
high and low last sales  prices per share of the common stock as reported by the
Nasdaq National Market.

    1997                                                     High      Low

    First Quarter........................................      9 3/4   3 7/8
    Second Quarter.......................................      8 1/8   3 13/16
    Third Quarter........................................      9 3/8   6 1/4
    Fourth Quarter.......................................      8 7/8   4 1/2

    1996
    First Quarter........................................     26 3/4    20
    Second Quarter.......................................     26 1/4    18 5/8
    Third Quarter........................................     19 1/2    12 1/2
    Fourth Quarter.......................................     13 1/2     8 3/8



     The  number of  stockholders  of record as of March 18,  1998 was 164.  The
Company  believes  that the number of  beneficial  stockholders  is in excess of
1500.

     The Company has never  declared or paid cash  dividends on the common stock
and does not intend to declare or pay cash  dividends on the common stock in the
foreseeable  future.  Certain  covenants  in  the  credit  facilities  and  debt
obligations of the Company and its subsidiaries  will  effectively  prohibit the
declaration  or payment of cash  dividends  by the Company  for the  foreseeable
future. See Note 3 to the Company's Consolidated Financial Statements.



                                       10
<PAGE> 11

ITEM 6. SELECTED CONSOLIDATED FINANCIAL AND OPERATING DATA

     The following Selected Consolidated  Financial and Operating Data should be
read in conjunction with Item 1 - "Business," Item 7 - "Management's  Discussion
and  Analysis  of  Financial  Condition  and  Results  of  Operations"  and  the
Consolidated Financial Statements and Notes thereto. Dollars in thousands except
per share amounts.

<TABLE>
<CAPTION>
                                                                              FOUR MONTHS ENDED       Year Ended
                                            YEAR ENDED DECEMBER 31,            DECEMBER 31, (1)     AUGUST, 31, (1)
                                    ---------------------------------------   -----------------   ------------------
                                      1997       1996       1995      1994      1994      1993      1994      1993

<S>                                <C>        <C>        <C>        <C>       <C>       <C>       <C>       <C>
STATEMENT OF OPERATIONS DATA:
Service, rental & maintenance
  revenues ......................  $ 351,944  $ 291,399  $ 138,466  $ 61,529  $ 22,847  $ 16,457  $ 55,139  $ 39,610
Product sales ...................     44,897     39,971     24,132    14,374     5,178     2,912    12,108     5,698
                                   ---------  ---------  ---------  --------  --------  --------  --------  --------
Total revenues ..................    396,841    331,370    162,598    75,903    28,025    19,369    67,247    45,308
Cost of products sold ...........    (29,158)   (27,469)   (20,789)  (12,787)   (4,690)   (2,027)  (10,124)   (4,031)
                                   ---------  ---------  ---------  --------  --------  --------  --------  --------
                                     367,683    303,901    141,809    63,116    23,335    17,342    57,123    41,277
Operating expenses:
 Service, rental & maintenance ..     79,836     64,957     29,673    14,395     5,231     3,959    13,123     9,532
 Selling ........................     51,474     46,962     24,502    11,523     4,338     3,058    10,243     7,307
 General & administrative .......    106,041     86,181     40,448    19,229     7,022     5,510    17,717    13,123
 Depreciation & amortization ....    232,347    191,871     60,205    18,321     6,873     5,549    16,997    13,764
                                   ---------  ---------  ---------  --------  --------  --------  --------  --------

Operating income (loss) .........   (102,015)   (86,070)   (13,019)     (352)     (129)     (734)     (957)   (2,449)
Interest & non-operating
 expenses, net ..................    (97,159)   (75,927)   (22,522)   (4,973)   (1,993)   (1,132)   (4,112)   (2,861)
Equity in loss of affiliate(2) ..     (3,872)    (1,968)    (3,977)        -         -         -         -         -
                                   ---------  ---------  ---------  --------  --------  --------  --------  --------
Income (loss) before income
 tax benefit and extraordinary
 item ...........................   (203,046)  (163,965)   (39,518)   (5,325)   (2,122)   (1,866)   (5,069)   (5,310)
Income tax benefit ..............     21,172     51,207      4,600         -         -         -         -         -
                                   ---------  ---------  ---------  --------  --------  --------  --------  --------
Income (loss) before
 extraordinary item .............   (181,874)  (112,758)   (34,918)   (5,325)   (2,122)   (1,866)   (5,069)   (5,310)
Extraordinary item(3) ...........          -     (1,904)    (1,684)   (1,137)   (1,137)        -         -      (415)
                                   ---------  ---------  ---------  --------  --------  --------  --------  --------
Net income (loss) ...............  $(181,874) $(114,662) $ (36,602) $ (6,462) $ (3,259) $ (1,866) $ (5,069) $ (5,725)
                                   =========  =========  =========  ========  ========  ========  ========  ========

Basic income (loss) per common
 share before extraordinary item   $   (8.77) $   (5.53) $   (2.60) $   (.74) $   (.29) $   (.26) $   (.71) $   (.74)
Extraordinary item(3) ...........          -       (.09)      (.12)     (.16)     (.16)        -         -      (.06)
Basic net income (loss) per
 common share(4) ................  $   (8.77) $   (5.62) $   (2.72) $   (.90) $   (.45) $   (.26) $   (.71) $   (.80)
Basic weighted average shares
 outstanding(4) .................  20,746,240 20,445,943 13,497,734 7,182,955 7,238,624 7,149,136 7,153,044 7,125,164

OTHER OPERATING DATA:
EBITDA(5) .......................  $ 130,332  $ 105,801  $  47,186  $  17,969 $  6,744  $  4,815  $  16,040 $  11,315
EBITDA margin (6) ...............        35%        35%        33%        28%      29%       28%        28%       27%
Capital expenditures, excluding
 acquisitions ...................  $ 102,769  $ 165,206  $  60,468  $  33,450 $ 15,279  $  7,486  $  25,657 $  20,853
Pagers in service, at end of
 period .........................  3,890,000  3,295,000  2,006,000    538,000  538,000   288,000    410,000   254,000
</TABLE>
<TABLE>
<CAPTION>
                                                         DECEMBER 31,                                AUGUST 31,
                                   -----------------------------------------------------      -----------------------
                                       1997           1996          1995         1994            1994           1993
                                       ----           ----          ----         ----            ----           ----
<S>                                <C>            <C>            <C>           <C>            <C>           <C>
BALANCE SHEET DATA:
Current assets ..................  $   51,025     $   43,611     $  33,671     $   8,483      $   6,751     $   4,690
Total assets ....................   1,020,720      1,146,756       785,376       117,858         76,255        62,209
Long-term debt, less current
 maturities .....................     968,896        918,150       457,044        93,420         67,328        49,748
Redeemable preferred stock ......           -          3,712         3,376             -              -             -
Stockholders' equity (deficit) ..     (33,255)       147,851       246,884         9,368         (3,304)        1,563
</TABLE>

                                       11
<PAGE> 12

(1)  On October 17, 1994,  Arch  announced  that it was changing its fiscal year
     end from August 31 to December  31. Arch was  required to file a transition
     report  on Form 10-K  with  audited  financial  statements  for the  period
     September  1, 1994  through  December  31,  1994 and has elected to include
     herein, for comparative  purposes,  unaudited financial  statements for the
     periods  September  1, 1993  through  December 31, 1993 and January 1, 1994
     through December 31, 1994.

(2)  Represents  Arch's pro rata share of USA Mobile's net losses for the period
     of time from Arch's  acquisition  of its initial 37% interest in USA Mobile
     on May 16, 1995 through the completion of Arch's  acquisition of USA Mobile
     on  September  7, 1995 and Arch's  pro rata  share of Benbow PCS  Ventures,
     Incorporated's losses since May 21, 1996.

(3)  Reflects  extraordinary  charge  resulting from prepayment of indebtedness.
     See  "Management's  Discussion  and  Analysis of  Financial  Condition  and
     Results of Operations -- Results of Operations".

(4)  Net income (loss) per common share is based on the weighted  average number
     of common shares  outstanding.  Other shares of stock issuable  pursuant to
     stock  options  and upon  conversion  of  Arch's  convertible  subordinated
     debentures have not been considered, as their effect would be anti-dilutive
     and thus  diluted net income  (loss) per common  share is the same as basic
     net income (loss) per common share.

(5)  EBITDA  is a  standard  measure  of  financial  performance  in the  paging
     industry  and is also  one of the  financial  measures  used  to  calculate
     whether Arch and its  subsidiaries  are in  compliance  with the  covenants
     under their  respective  indebtedness,  but should not be  construed  as an
     alternative to operating income or cash flows from operating  activities as
     determined in accordance  with generally  accepted  accounting  principles.
     EBITDA does not reflect  equity in loss of  affiliate,  income tax benefit,
     interest expense, net and extraordinary items.

(6) Calculated by dividing EBITDA by total revenues less cost of products sold.



                                       12
<PAGE> 13

ITEM 7. MANAGEMENT'S  DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS
        OF OPERATIONS

Overview

     Arch is a leading provider of wireless messaging services, primarily paging
services,  and had 3.9 million  pagers in service as of December 31, 1997.  From
January 1, 1995 through  December 31, 1997, the Company's total  subscriber base
grew at a compound annual rate of 93.4% and its compound annual rate of internal
subscriber base growth (excluding pagers added through acquisitions) was 62.6%.

     Arch  derives the  majority of its revenues  from fixed  periodic  (usually
monthly)  fees,  not  dependent  on usage,  charged  to  subscribers  for paging
services. As long as a subscriber remains on service,  operating results benefit
from the recurring  payments of the fixed  periodic  fees without  incurrence of
additional  selling  expenses by Arch.  Arch's  service,  rental and maintenance
revenues and the related expenses exhibit  substantially  similar growth trends.
Arch's average  revenue per subscriber has declined over the last three years as
a result of two principal  reasons:  (i) an increase in the number of subscriber
owned and reseller  owned pagers for which Arch receives no recurring  equipment
revenue and (ii) an increase in the number of reseller  customers  whose airtime
is purchased at wholesale  rates.  The reduction in average  paging  revenue per
subscriber  resulting  from  these  trends  has been  more  than  offset  by the
elimination  of  associated  expenses so that Arch's  margins have improved over
such period.

     Arch's total  revenues have increased from $162.6 million in the year ended
December 31, 1995 to $331.4  million in the year ended  December 31, 1996 and to
$396.8  million in the year ended  December  31,  1997.  Over the same  periods,
through  operating  efficiencies  and economies of scale,  Arch has been able to
reduce its per pager operating costs to enhance its competitive  position in its
markets.  Due to the rapid  growth in its  subscriber  base,  Arch has  incurred
significant  selling  expenses,  which are charged to  operations  in the period
incurred.  Arch has reported  net losses of $36.6  million,  $114.7  million and
$181.9  million  in  the  years  ended   December  31,  1995,   1996  and  1997,
respectively,  as a result of significant depreciation and amortization expenses
related to acquired and developed  assets and interest  charges  associated with
indebtedness.  However,  as its  subscriber  base has  grown,  Arch's  operating
results  have  improved,  as  evidenced  by an increase in its  earnings  before
interest,  taxes, depreciation and amortization ("EBITDA") from $47.2 million in
the year ended  December 31, 1995 to $105.8  million in the year ended  December
31, 1996 and to $130.3 million in the year ended December 31, 1997.

     EBITDA  is a  standard  measure  of  financial  performance  in the  paging
industry and also is one of the  financial  measures  used to calculate  whether
Arch and its  subsidiaries  are in  compliance  with the  covenants  under their
respective  debt  agreements,  but should not be construed as an  alternative to
operating  income or cash flows  from  operating  activities  as  determined  in
accordance  with  generally  accepted  accounting  principles.   One  of  Arch's
financial  objectives  is  to  increase  its  EBITDA,  as  such  earnings  are a
significant  source of funds for servicing  indebtedness  and for  investment in
continued  growth,  including  purchase of pagers and paging  system  equipment,
construction and expansion of paging systems and possible acquisitions.

Forward-Looking Statements

     This Form 10-K contains forward-looking  statements.  For this purpose, any
statements  contained  herein that are not statements of historical  fact may be
deemed to be  forward-looking  statements.  Without limiting the foregoing,  the
words "believes",  "anticipates", "plans", "expects" and similar expressions are
intended to identify forward-looking statements. There are a number of important
factors that could cause the Company's actual results to differ  materially from
those indicated or suggested by such forward-looking  statements.  These factors
include,  without  limitation,  those set forth below under the caption "Factors
Affecting Future Operating Results".

Shift in Operating Focus

     In April 1997, the Company announced it was shifting its operating focus to
put a higher priority on leverage reduction than subscriber unit growth.  Arch's
deleveraging  efforts are focusing on, but are not limited to,  slowing  capital
expenditures,  implementing  across-the-board efficiencies and the possible sale
of non-strategic assets.

                                       13
<PAGE> 14

Results of Operations

     The  following  table  presents  certain  items  from  Arch's  Consolidated
Statements of Operations  as a percentage of net revenues  (total  revenues less
cost of products sold) and certain other information for the periods indicated:


                                               Year Ended December 31,
                                          1997         1996        1995

Total revenues....................       107.9%        109.0%      114.7%
Cost of products sold.............        (7.9)         (9.0)      (14.7)
Net revenues......................       100.0         100.0       100.0
Operating expenses:
  Service, rental and
    maintenance ..................        21.7          21.4        20.9
   Selling........................        14.0          15.4        17.3
   General and administrative.....        28.8          28.4        28.5
   Depreciation and amortization..        63.2          63.1        42.5

Operating income (loss)...........       (27.7)%       (28.3)%      (9.2)%

Net income (loss).................       (49.5)%       (37.7)%     (25.8)%

EBITDA............................        35.4%         34.8%       33.3%

Annual service, rental and
  maintenance expenses per pager..     $  22         $  25       $  28




     Year Ended December 31, 1997 Compared with Year Ended December 31, 1996

     Total revenues increased $65.5 million,  or 19.8%, to $396.8 million in the
year ended  December 31, 1997 from $331.4 million in the year ended December 31,
1996 and net revenues increased $63.8 million,  or 21.0%, from $303.9 million to
$367.7 million over the same period.  Service,  rental and maintenance revenues,
which consist primarily of recurring revenues  associated with the sale or lease
of pagers,  increased  $60.5  million,  or 20.8%,  to $351.9 million in the year
ended December 31, 1997 from $291.4 million in the year ended December 31, 1996.
These  increases in revenues were due primarily to the increase in the number of
pagers in service  from  3,295,000 at December 31, 1996 to 3,890,000 at December
31, 1997 and the full year impact of the Westlink  Holdings,  Inc.  ("Westlink")
acquisition  which was  completed  in May  1996.  All net new  subscribers  were
generated through internal growth.  Maintenance  revenues  represented less than
10% of total  service,  rental  and  maintenance  revenues  in the  years  ended
December  31, 1996 and 1997.  Arch does not  differentiate  between  service and
rental revenues.  Product sales, less cost of products sold,  increased 25.9% to
$15.7 million in the year ended December 31, 1997 from $12.5 million in the year
ended December 31, 1996 as a result of a greater number of pager unit sales.

     Service,  rental and  maintenance  expenses,  which  consist  primarily  of
telephone  line and site rental  expenses,  increased to $79.8 million (21.7% of
net revenues) in the year ended  December 31, 1997 from $65.0 million  (21.4% of
net  revenues)  in the year  ended  December  31,  1996.  The  increase  was due
primarily  to  increased  expenses  associated  with system  expansions  and the
provision of paging  services to a greater  number of  subscribers.  As existing
paging systems become more  populated  through the addition of new  subscribers,
the fixed  costs of  operating  these  paging  systems are spread over a greater
subscriber base. Annual service,  rental and maintenance expenses per subscriber
decreased to $22 in the year ended  December 31, 1997 from $25 in the year ended
December 31, 1996.


                                       14
<PAGE> 15

     Selling expenses  increased to $51.5 million (14.0% of net revenues) in the
year ended  December 31, 1997 from $47.0 million  (15.4% of net revenues) in the
year ended December 31, 1996. The increase in selling expenses was primarily due
to the full year impact of the  Westlink  acquisition  and the  marketing  costs
incurred to promote the Company's  Arch Paging brand  identity.  Arch's  selling
cost per net new pager in service  increased  to $87 in the year ended  December
31, 1997 from $58 in the year ended  December 31, 1996,  primarily  due to fixed
selling  costs and  increased  marketing  costs being  spread over fewer net new
pagers put into  service.  Most selling  expenses  are  directly  related to the
number of net new subscribers  added.  Therefore,  such expenses may increase in
the future if pagers in service are added at a more rapid rate than in the past.

     General and  administrative  expenses increased to $106.0 million (28.8% of
net revenues) in the year ended  December 31, 1997 from $86.2 million  (28.4% of
net  revenues) in the year ended  December  31,  1996.  The increase in absolute
dollars was due primarily to increased expenses  associated with supporting more
pagers in service including the full year impact of Westlink.

     Depreciation and amortization  expenses  increased to $232.3 million (63.2%
of net revenues) in the year ended  December 31, 1997 from $191.9 million (63.1%
of net revenues) in the year ended  December 31, 1996.  These  expenses  reflect
Arch's  acquisitions  of paging  businesses,  accounted  for as  purchases,  and
continued  investment in pagers and other system expansion  equipment to support
continued growth.

     Operating  loss  increased to $102.0 million in the year ended December 31,
1997 from $86.1  million in the year ended  December 31, 1996 as a result of the
factors outlined above.

     Net interest expense  increased to $97.2 million in the year ended December
31, 1997 from $75.9  million in the year ended  December 31, 1996.  The increase
was attributable to an increase in Arch's average  outstanding debt. In 1997 and
1996  interest  expense  includes  approximately  $33 million  and $24  million,
respectively,  of non-cash  interest  accretion on the  Company's  107/8% Senior
Discount Notes due 2008 under which  semi-annual  interest  payments commence on
September 15, 2001. See Note 3 to Arch's Consolidated Financial Statements.

     During the years ended December 31, 1997 and 1996,  the Company  recognized
income  tax  benefits  of  $21.2  million  and  $51.2   million,   respectively,
representing the tax benefit of operating losses  subsequent to the acquisitions
of USA Mobile  Communications  Holdings,  Inc. ("USA Mobile") and Westlink which
were  available to offset  deferred tax  liabilities  arising from the Company's
acquisitions of USA Mobile in September 1995 and Westlink in May 1996.

     During 1996,  Arch  recognized  an  extraordinary  charge of $1.9  million,
representing  the write-off of unamortized  deferred  financing costs associated
with the prepayment of indebtedness under separate prior credit facilities.

     Net loss  increased to $181.9  million in the year ended  December 31, 1997
from  $114.7  million in the year  ended  December  31,  1996 as a result of the
factors  outlined  above.  Included in the net loss for the years ended December
31, 1997 and 1996 were charges of $3.9 million and $2.0  million,  respectively,
representing  Arch's pro rata share of Benbow PCS  Ventures,  Inc.'s  ("Benbow")
losses since May 21, 1996.

     EBITDA  increased  23.2% to $130.3  million  (35.4% of net revenues) in the
year ended  December 31, 1997 from $105.8 million (34.8% of net revenues) in the
year ended December 31, 1996 as a result of the factors outlined above.


     Year Ended December 31, 1996 Compared with Year Ended December 31, 1995

     Total revenues  increased $168.8 million,  or 103.8%,  to $331.4 million in
the year ended  December 31, 1996 from $162.6 million in the year ended December
31, 1995 and net  revenues  increased  $162.1  million,  or 114.3%,  from $141.8
million to $303.9 million over the same period.  Service, rental and maintenance
revenues  increased  $152.9  million,  or 110.4%,  to $291.4 million in the year
ended December 31, 1996 from $138.5 million in the year ended December 31, 1995.
These  increases in revenues were due primarily to the increase in the number of
pagers in service  from  2,006,000 at December 31, 1995 to 3,295,000 at December
31, 1996.  Acquisitions  of paging  companies  added  474,000  pagers in service
during 1996, with the remaining  815,000 pagers added through  internal  growth.
Maintenance revenues represented less
                                       15
<PAGE> 16

than 10% of total service,  rental and  maintenance  revenues in the years ended
December 31, 1995 and 1996. Product sales, less cost of products sold, increased
274.0% to $12.5 million in the year ended December 31, 1996 from $3.3 million in
the year ended  December 31, 1995 as a result of a greater  number of pager unit
sales.

     Service, rental and maintenance expenses, increased to $65.0 million (21.4%
of net revenues) in the year ended  December 31, 1996 from $29.7 million  (20.9%
of net  revenues)  in the year ended  December  31,  1995.  The increase was due
primarily  to  increased  expenses  associated  with system  expansions  and the
provision of paging services to a greater number of subscribers. Annual service,
rental and  maintenance  expenses  per  subscriber  decreased to $25 in the year
ended December 31, 1996 from $28 in the year ended December 31, 1995.

     Selling expenses  increased to $47.0 million (15.4% of net revenues) in the
year ended  December 31, 1996 from $24.5 million  (17.3% of net revenues) in the
year ended  December 31, 1995.  The increase in selling  expenses was due to the
addition of sales personnel to support  continued growth in the subscriber base,
as the  number of net new  pagers in  service  resulting  from  internal  growth
increased  by 122.7%  from the year ended  December  31,  1995 to the year ended
December 31, 1996. Arch's selling cost per net new pager in service decreased to
$58 in the year ended  December 31, 1996 from $67 in the year ended December 31,
1995, primarily due to increased sales through indirect distribution channels.

     General and  administrative  expenses  increased to $86.2 million (28.4% of
net revenues) in the year ended  December 31, 1996 from $40.4 million  (28.5% of
net  revenues)  in the year  ended  December  31,  1995.  The  increase  was due
primarily  to  increased  expenses  associated  with  supporting  more pagers in
service.

     Depreciation and amortization  expenses  increased to $191.9 million (63.1%
of net revenues) in the year ended  December 31, 1996 from $60.2 million  (42.5%
of net revenues) in the year ended  December 31, 1995.  These  expenses  reflect
Arch's  acquisitions  of paging  businesses,  accounted  for as  purchases,  and
continued  investment in pagers and other system expansion  equipment to support
continued growth.

     Operating  loss  increased to $86.1 million in the year ended  December 31,
1996 from $13.0  million in the year ended  December 31, 1995 as a result of the
factors outlined above.

     Net interest expense  increased to $75.9 million in the year ended December
31, 1996 from $22.5  million in the year ended  December 31, 1995.  The increase
was  attributable to an increase in Arch's average  outstanding  debt.  Interest
expense  in  1996  includes  approximately  $24  million  of  non-cash  interest
accretion on the  Company's  107/8% Senior  Discount  Notes due 2008 under which
semi-annual  interest  payments  commence on September  15, 2001.  See Note 3 to
Arch's Consolidated Financial Statements.

     During the years ended December 31, 1996 and 1995,  the Company  recognized
income  tax  benefits  of  $51.2   million  and  $4.6   million,   respectively,
representing the tax benefit of operating losses  subsequent to the acquisitions
of USA  Mobile  and  Westlink  which  were  available  to  offset  deferred  tax
liabilities arising from the Company's acquisitions of USA Mobile and Westlink.

     During  1996 and 1995,  Arch  recognized  an  extraordinary  charge of $1.9
million  and  $1.7  million,   respectively,   representing   the  write-off  of
unamortized   deferred   financing  costs  associated  with  the  prepayment  of
indebtedness under separate prior credit facilities.

     Net loss  increased to $114.7  million in the year ended  December 31, 1996
from  $36.6  million  in the year  ended  December  31,  1995 as a result of the
factors outlined above. Included in the net loss for the year ended December 31,
1995 was a charge of $4.0  million  representing  Arch's  pro rata  share of USA
Mobile's net loss for the period of time from Arch's  acquisition of its initial
37%  interest in USA Mobile on May 16, 1995  through  the  completion  of Arch's
acquisition of USA Mobile on September 7, 1995. Included in the net loss for the
year ended  December 31, 1996 was a charge of $2.0 million  representing  Arch's
pro rata share of Benbow's losses since May 21, 1996.

     EBITDA  increased  124.2% to $105.8 million (34.8 % of net revenues) in the
year ended  December 31, 1996 from $47.2 million  (33.3% of net revenues) in the
year ended December 31, 1995 as a result of the factors outlined above.

                                       16
<PAGE> 17

Liquidity and Capital Resources

     Arch's business  strategy requires the availability of substantial funds to
finance the expansion of existing  operations,  to fund capital expenditures for
pagers and paging system equipment, to finance acquisitions and to service debt.

     Capital Expenditures and Commitments

     Excluding  acquisitions of paging businesses,  Arch's capital  expenditures
were $60.5 million in the year ended  December 31, 1995,  $165.2  million in the
year ended  December 31, 1996 and $102.8  million in the year ended December 31,
1997. To date, Arch has funded its capital  expenditures  with net cash provided
by operating activities, the issuance of equity securities and the incurrence of
debt.

     Arch has agreed,  to the extent such funds are not available to Benbow from
other sources and subject to the approval of Arch's  designee on Benbow's  Board
of Directors,  to advance to Benbow sufficient funds to service debt obligations
incurred by Benbow in connection  with its  acquisition  of its  narrowband  PCS
licenses and to finance the build out of a regional  narrowband PCS system. Arch
estimates that the total cost to Benbow of servicing such debt  obligations  and
constructing  such regional  narrowband  PCS system will be  approximately  $100
million over the next five years.

     Arch  currently  anticipates  capital  expenditures  of  approximately  $90
million to $100 million for the year ending December 31, 1998, primarily for the
purchase  of pagers and paging  system  equipment.  Such  amounts are subject to
change based on the Company's internal growth rate and acquisition  activity, if
any, during 1998. Arch believes that it will have sufficient cash available from
operations and credit facilities to fund these expenditures.

     Acquisitions

     In May 1996,  Arch  completed  its  acquisition  of Westlink for  aggregate
consideration of $325.4 million in cash (including  direct  transaction  costs).
See Note 2 to the Company's Consolidated Financial Statements.

     In September  1995,  Arch  completed its  acquisition  of USA Mobile for an
aggregate  consideration of $582.2 million,  consisting of $88.9 million in cash
(including direct transaction costs), 7,599,493 shares of common stock valued at
$209.0  million on the date of completion  and the  assumption of liabilities of
$284.3  million,  including  $241.2 million of long-term debt. See Note 2 to the
Company's Consolidated Financial Statements.

     During 1995, the Company also completed five  additional  acquisitions  for
aggregate  consideration  of $36.1  million in cash plus the issuance of 395,000
shares of common  stock valued at $6.9  million on the date of  completion.  See
Note 2 to the Company's Consolidated Financial Statements.

     The Company has pursued and intends to continue to pursue  acquisitions  of
paging  businesses  as part of its growth  strategy.  As a result,  the  Company
evaluates acquisition opportunities on an ongoing basis and from time to time is
engaged in discussions with respect to possible acquisitions.

     Sources of Funds

     Arch's net cash provided by operating  activities was $63.6 million,  $37.8
million and $14.7 million in the years ended  December 31, 1997,  1996 and 1995,
respectively.

     Arch  believes that its capital  needs for the  foreseeable  future will be
funded with  borrowings  under  current and future credit  facilities,  net cash
provided  by  operations  and,  depending  on the  Company's  needs  and  market
conditions,  possible  sales  of  equity  or  debt  securities.  For  additional
information, see Note 3 to the Company's Consolidated Financial Statements.


                                       17
<PAGE> 18

Inflation

     Inflation  has not had a  material  effect  on Arch's  operations  to date.
Paging  systems  equipment and  operating  costs have not increased in price and
Arch's pager costs have declined  substantially in recent years.  This reduction
in  costs  has  generally  been  reflected  in lower  pager  prices  charged  to
subscribers who purchase their pagers.  Arch's general operating expenses,  such
as  salaries,  employee  benefits  and  occupancy  costs,  are subject to normal
inflationary pressures.

Factors Affecting Future Operating Results

     The following  important factors,  among others,  could cause the Company's
actual operating  results to differ materially from those indicated or suggested
by forward-looking  statements made in this Form 10-K or presented  elsewhere by
the Company's management from time to time.

     Indebtedness and High Degree of Leverage

     The Company is highly  leveraged.  At December  31,  1997,  the Company had
outstanding $993.4 million of total debt, including: (i) $332.5 million accreted
value of the 10 7/8% Senior Discount Notes due 2008; (ii) $125 million principal
amount of the 9 1/2% Senior  Notes due 2004 of USA Mobile II; (iii) $100 million
principal  amount of the 14% Senior Notes due 2004 of USA Mobile II; (iv) $359.5
million borrowed under the Arch Enterprises  Credit Facility;  (v) $63.0 million
borrowed  under the USA  Mobile  II  Credit  Facility;  and (vi)  $13.4  million
principal amount of the Company's 6 3/4% Convertible Subordinated Debentures due
2003.  The ability of the Company to make  payments of principal and interest on
its indebtedness will be dependent upon the Company's subsidiaries achieving and
sustaining   levels  of   performance  in  the  future  that  will  permit  such
subsidiaries to pay sufficient dividends,  distributions or fees to the Company.
Many  factors,  some of which  will be beyond  the  Company's  control,  such as
prevailing economic  conditions,  will affect the performance of the Company and
its  subsidiaries.  In  addition,  covenants  imposed by the  current and future
credit  facilities and other  indebtedness  of the Company and its  subsidiaries
could  restrict  the  ability  of the  Company  and its  subsidiaries  to  incur
additional  indebtedness  and prohibit  certain  activities  and may limit other
aspects of the Company's operations.  There can be no assurance that the Company
or its  subsidiaries  will be able to  generate  sufficient  cash  flow to cover
required   interest  and   principal   payments  on  their  current  and  future
indebtedness.  If the Company is unable to meet interest and principal  payments
in the future, it may,  depending upon the circumstances  which then exist, seek
additional  equity  or  debt  financing,   attempt  to  refinance  its  existing
indebtedness  or sell all or part of its  business  or assets to raise  funds to
repay its indebtedness. There can be no assurance that sufficient equity or debt
financing  will be  available  or,  if  available,  that  it  will  be on  terms
acceptable  to the  Company,  that the  Company  will be able to  refinance  its
existing  indebtedness  or that  sufficient  funds could be raised through asset
sales. The Company's high degree of leverage may have important consequences for
the Company,  including:  (i) the ability of the Company and its subsidiaries to
obtain  additional   financing  for  acquisitions,   working  capital,   capital
expenditures or other purposes, if necessary,  may be impaired or such financing
may not be on favorable  terms;  (ii) a substantial  portion of the cash flow of
the  Company's  subsidiaries  will be used to pay interest  expense,  which will
reduce the funds which would  otherwise be available for  operations  and future
business opportunities;  (iii) the Company may be more highly leveraged than its
competitors  which  may  place it at a  competitive  disadvantage;  and (iv) the
Company's high degree of leverage will make it more  vulnerable to a downturn in
its business or the economy generally.

     Future Capital Needs

     The Company's  business  strategy  requires the availability of substantial
funds to service debt and finance the  continued  development  and future growth
and expansion of its operations,  including possible acquisitions. The amount of
capital required by the Company will depend upon a number of factors,  including
subscriber  growth,  technological  developments,  marketing and sales expenses,
competitive conditions,  acquisition strategy and acquisition opportunities.  No
assurance  can be  given  that  additional  equity  or  debt  financing  will be
available to the Company on acceptable  terms, if at all. The  unavailability of
sufficient  financing  when needed would have a material  adverse  effect on the
Company.


                                       18
<PAGE> 19

   History of Losses

     The  Company  has not  reported  any net income  since its  inception.  The
Company reported net losses of $181.9 million,  $114.7 million and $36.6 million
in the years ended  December 31, 1997,  1996 and 1995,  respectively.  These net
losses  have  resulted   principally  from  (i)  substantial   depreciation  and
amortization  expenses,   primarily  related  to  intangible  assets  and  pager
depreciation  and (ii) interest  expense on debt  incurred  primarily to finance
acquisitions  of paging  operations and other costs of growth.  Substantial  and
increased  amounts of debt are expected to be  outstanding  for the  foreseeable
future, which will result in significant additional interest expense which could
have a  substantial  negative  impact on the  Company.  The  Company  expects to
continue to report net losses for the foreseeable future.

     Growth and Acquisition Strategy

     The Company has pursued and intends to continue to pursue  acquisitions  of
paging  businesses  as well as the  continued  internal  growth of the Company's
paging  business.  The process of  integrating  acquired  paging  businesses may
involve unforeseen difficulties and may require a disproportionate amount of the
time and  attention of the  Company's  management  and the  financial  and other
resources of the Company.  No assurance  can be given that  suitable  additional
acquisitions can be identified,  financed and completed on acceptable  terms, or
that the Company's future acquisitions will be successful. Implementation of the
Company's  growth  strategies  will be subject to numerous  other  contingencies
beyond the  control of the  Company,  including  general and  regional  economic
conditions, interest rates, competition, changes in regulation or technology and
the ability to attract and retain skilled employees.  Accordingly,  no assurance
can be given that the Company's  growth  strategies will prove effective or that
the goals of the Company will be achieved.

     Dependence on Key Personnel

     The success of the Company will be dependent, to a significant extent, upon
the continued services of a relatively small group of executive  personnel.  The
Company does not have employment  agreements  with any of its current  executive
officers,   although   all  current   executive   officers   have  entered  into
non-competition and executive retention agreements with the Company. The loss or
unavailability  of one or more of its  executive  officers or the  inability  to
attract or retain key employees in the future could have an adverse  effect upon
the Company's operations.

     Competition and Technological Change

     The Company faces  competition  from other paging service  providers in all
markets  in which  it  operates  as well as from  certain  competitors  who hold
nationwide   licenses.   The  Company   believes  that  competition  for  paging
subscribers  is based on quality of service,  geographic  coverage and price and
that the Company generally competes effectively based on these factors.  Monthly
fees for basic paging  services  have,  in general,  declined  since the Company
commenced  operations in September 1986, due in part to competitive  conditions,
and the Company may face significant price-based competition in the future which
could adversely affect the Company.  Some of the Company's  competitors  possess
greater  financial,  technical  and other  resources  than the Company.  A trend
towards  increasing  consolidation  in the paging industry in particular and the
wireless  communications  industry  in  general  in  recent  years  has  led  to
competition from increasingly larger and better capitalized competitors.  If any
of such competitors were to devote  additional  resources to the paging business
or focus its  strategy  on the  Company's  markets,  the  Company's  results  of
operations  could  be  adversely   affected.   A  variety  of  wireless  two-way
communication  technologies currently are in use or under development.  Although
such technologies generally are higher priced than paging services or not widely
available,  technological  improvements  could result in increased  capacity and
efficiency for wireless two-way communication and, accordingly,  could result in
increased  competition  for the Company.  Two-way  service  providers also could
elect to provide paging service as an adjunct to their primary services.  Future
technological  advances in the  telecommunications  industry  could increase new
services  or  products  competitive  with the paging  services  provided  by the
Company or could require the Company to reduce the price of its paging  services
or incur  additional  capital  expenditures  to meet  competitive  requirements.
Recent and proposed  regulatory changes by the FCC are aimed at encouraging such
technological  advances  and new  services.  For  example,  the FCC has  created
potential sources of competition by opening up new spectrum for such services as
the  General   Wireless   Communications   Service  ("GWCS")  and  the  Wireless
Communications  Service  ("WCS")  as well as  speeding  up  licensing  of  other
services through auctions,  including the Local Multipoint  Distribution Service
("LMDS"),  220-222 MHz and broadband PCS services.  Entities offering service on
wireless two-way communications technology, including cellular

                                       19
<PAGE> 20

telephones and specialized  mobile radio services,  also compete with the paging
services that the Company  provides.  There can be no assurance that the Company
will be able to compete  successfully with its current and future competitors in
the paging  business  or with  competitors  offering  alternative  communication
technologies.

     Subscriber Turnover

     The results of operations of wireless messaging service providers,  such as
the Company,  can be  significantly  affected by subscriber  cancellations.  The
sales and  marketing  costs  associated  with  attracting  new  subscribers  are
substantial  relative to the costs of providing  service to existing  customers.
Because   the  paging   business   is   characterized   by  high  fixed   costs,
disconnection's  directly and adversely  affect operating cash flow. An increase
in its subscriber  cancellation  rate may adversely affect the Company's results
of operations.

     Dependence on Suppliers

     The  Company  does not  manufacture  any of the  pagers  used in its paging
operations.  The Company buys pagers primarily from Motorola,  Inc. ("Motorola")
and NEC America,  Inc. ("NEC") and therefore is dependent on such  manufacturers
to obtain  sufficient pager inventory for new subscriber and replacement  needs.
In addition,  the Company  purchases  terminals and transmitters  primarily from
Glenayre  Technologies,  Inc. ("Glenayre") and Motorola and thus is dependent on
such  manufacturers  for  sufficient  terminals  and  transmitters  to meet  its
expansion and replacement requirements. To date, the Company has not experienced
significant delays in obtaining pagers, terminals or transmitters, but there can
be no assurance that the Company will not experience  such delays in the future.
The  Company  has never had a  purchase  agreement  with  Glenayre  or NEC.  The
Company's  purchase  agreement with Motorola  expired in December  1997,  with a
provision  for  automatic  renewal  for a one-year  term.  Although  the Company
believes  that  sufficient   alternative   sources  of  pagers,   terminals  and
transmitters  exist,  there can be no  assurance  that the Company  would not be
adversely  affected if it were unable to obtain these items from current  supply
sources or on terms comparable to existing terms.

     Government Regulation, Foreign Ownership and Possible Redemption of Capital
     Stock

     The paging  operations  of the Company are subject to regulation by the FCC
and various  state  regulatory  agencies.  There can be no assurance  that those
agencies will not propose or adopt regulations or take actions that would have a
material adverse effect on the Company's business.  Changes in regulation of the
Company's  paging business or the allocation of radio spectrum for services that
compete with the Company's business could adversely affect the Company's results
of operations.  Indeed,  the FCC has created potential sources of competition by
opening up new  spectrum  for such  services as the GWCS and the WCS as well as,
speeding up licensing of other services  through  auctions,  including the LMDS,
220-222 MHz and broadband PCS services.  Further,  the FCC has recently  adopted
rules implementing a market area licensing scheme. In addition,  some aspects of
the  recently  enacted  Telecommunications  Act of 1996 could have a  beneficial
effect on Arch's business,  but other  provisions may place  additional  burdens
upon Arch or subject Arch to increased  competition.  The  Communications Act of
1934,  as  amended,  limits  foreign  ownership  of entities  that hold  certain
licenses from the FCC. Because the Company, through its subsidiaries,  holds FCC
licenses,  in general,  no more than 25% of the Company's  stock can be owned or
voted  by  aliens  or  their  representatives,   a  foreign  government  or  its
representative or a foreign  corporation,  the Company's Restated Certificate of
Incorporation  permits the  redemption of shares of the Company's  capital stock
from foreign  stockholders  where necessary to protect the Company's  regulatory
licenses, but such redemption would be subject to the availability of capital to
the  Company  and any  restrictions  contained  in the debt  instruments  of the
Company and under Delaware law. The failure to redeem such shares promptly could
jeopardize the Company's FCC licenses.

     Impact of the Year 2000 Issue

     The Company is  currently  working to resolve the  potential  impact of the
year 2000 on the  processing  of  date-sensitive  information  by the  Company's
computerized  systems and transmission  equipment.  The year 2000 problem is the
result of computer programs being written using two digits (rather than four) to
define  the  applicable   year.   Any  of  the  Company's   programs  that  have
time-sensitive  software may recognize a date using "00" as the year 1900 rather
than the year 2000.  This could  result in a system  failure or  miscalculations
causing disruptions of operations, including, among other things, a

                                       20
<PAGE> 21

temporary inability to process transactions, send invoices, or engage in similar
normal  business  activities.   Based  on  preliminary  information,   costs  of
addressing  potential  problems  are not  currently  expected to have a material
adverse  impact on the Company's  financial  position,  results of operations or
cash flows in future periods.  However, if the Company, its customers or vendors
are unable to resolve such processing issues in a timely manner, it could result
in a material  financial  risk.  Accordingly,  the  Company  plans to devote the
necessary  resources  to resolve  all  significant  year 2000 issues in a timely
manner.




ITEM 7A. QUANTITATIVE AND QUALITATIVE DISCLOSURES ABOUT MARKET RISK

         Not Applicable.


ITEM 8. FINANCIAL STATEMENTS AND SUPPLEMENTARY DATA

        The financial  statements and schedules  listed in Item 14(a)(1) and (2)
        are included in this Report beginning on Page F-1.


ITEM 9.  CHANGES  IN  AND  DISAGREEMENTS  WITH  ACCOUNTANTS  ON  ACCOUNTING  AND
         FINANCIAL DISCLOSURE

         None.




                                    PART III



     The  information  required  by  Items 10  through  13 are  incorporated  by
reference to the  Registrant's  definitive  Proxy  Statement for its 1998 annual
meeting of stockholders scheduled to be held on May 19, 1998.


                                       21
<PAGE> 22

                                     PART IV


ITEM 14. EXHIBITS, FINANCIAL STATEMENT SCHEDULES AND REPORTS ON FORM 8-K

(a) (1) Financial Statements

        Consolidated Balance Sheets as of December 31, 1997 and 1996

        Consolidated Statements of Operations for Each of the Three Years in the
          Period Ended December 31, 1997

        Consolidated  Statements of  Stockholders'  Equity (Deficit) for Each of
          the Three Years in the Period Ended December 31, 1997

        Consolidated Statements of Cash Flows for Each of the Three Years in the
          Period Ended December 31, 1997

        Notes to Consolidated Financial Statements

(a) (2) Financial Statement Schedule

        Schedule II - Valuation and Qualifying Accounts

(b)     Reports on Form 8-K

        Noreports on Form 8-K were filed during the three months ended  December
          31, 1997.

(c)     Exhibits

        The exhibits listed on the  accompanying  index to exhibits are filed as
          part of this Annual Report on Form 10-K.

                                       22
<PAGE> 23

                                   SIGNATURES


Pursuant to the  requirements of Section 13 or 15(d) of the Securities  Exchange
Act of 1934,  the  Registrant  has duly  caused  this report to be signed on its
behalf by the undersigned, thereunto duly authorized.

                                             ARCH COMMUNICATIONS GROUP, INC.


                                             By: /s/ C. Edward Baker, Jr.
                                                 ------------------------
                                                 C. Edward Baker, Jr.
                                                 Chairman  of the Board and
                                                 Chief Executive Officer

March 27, 1998

Pursuant to the requirements of the Securities Exchange Act of 1934, this report
has been signed below by the following  persons on behalf of the  Registrant and
on the dates indicated.



 /S/ C. EDWARD BAKER, JR.    Chairman of the Board and          March 27, 1998
- --------------------------   Chief Executive Officer
                             (principal executive officer)


 /S/ JOHN B. SAYNOR          Executive Vice President,          March 27, 1998
- -------------------------    Director


 /S/ J. ROY POTTLE           Executive Vice President           March 27, 1998
- -------------------------    and Chief Financial Officer
                             (principal financial officer and
                             principal accounting officer)


 /S/ R. SCHORR BERMAN        Director                           March 27, 1998
- -------------------------


 /S/ JAMES S. HUGHES         Director                           March 27, 1998
- -------------------------


 /S/ ALLAN L. RAYFIELD       Director                           March 27, 1998
- -------------------------


 /S/ JOHN A. SHANE           Director                           March 27, 1998
- -------------------------


                                       23
<PAGE> 24

                   INDEX TO CONSOLIDATED FINANCIAL STATEMENTS



Report of Independent Public Accountants............................      F-2

Consolidated Balance Sheets as of December 31, 1997 and 1996........      F-3

Consolidated Statements of Operations for Each of the Three
  Years in the Period Ended December 31, 1997.......................      F-4

Consolidated Statements of Stockholders' Equity (Deficit) for Each
  of the Three Years in the Period Ended December 31, 1997..........      F-5

Consolidated Statements of Cash Flows for Each of the Three
  Years in the Period Ended December 31, 1997.......................      F-6

Notes to Consolidated Financial Statements..........................      F-7







                                      F-1
<PAGE> 25

                    REPORT OF INDEPENDENT PUBLIC ACCOUNTANTS

To Arch Communications Group, Inc.:

     We have  audited  the  accompanying  consolidated  balance  sheets  of Arch
Communications   Group,  Inc.  (a  Delaware  corporation)  (the  "Company")  and
subsidiaries  as of  December  31,  1997 and 1996 and the  related  consolidated
statements of operations, stockholders' equity (deficit) and cash flows for each
of the three years in the period ended  December 31,  1997.  These  consolidated
financial  statements and the schedule referred to below are the  responsibility
of the  Company's  management.  Our  responsibility  is to express an opinion on
these consolidated financial statements and schedule 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 financial position of Arch Communications  Group,
Inc. and  subsidiaries as of December 31, 1997 and 1996 and the results of their
operations  and their cash flows for each of the three years in the period ended
December 31, 1997, in conformity with generally accepted accounting principles.

     Our  audits  were made for the  purpose  of forming an opinion on the basic
financial  statements taken as a whole. The schedule listed in the index at Item
14(a)(2) is presented for purposes of complying with the Securities and Exchange
Commission's  rules  and is not part of the  basic  financial  statements.  This
schedule has been subjected to the auditing  procedures applied in our audits of
the basic  financial  statements  and, in our  opinion,  fairly  states,  in all
material  respects,  the  financial  data  required  to be set forth  therein in
relation to the basic financial statements taken as a whole.



                                                             ARTHUR ANDERSEN LLP


Boston,  Massachusetts
February 9, 1998

                                      F-2
<PAGE> 26

                         ARCH COMMUNICATIONS GROUP, INC.
                           CONSOLIDATED BALANCE SHEETS
                           December 31, 1997 and 1996
                      (in thousands, except share amounts)

                                                           1997         1996
                                                        ----------   ----------
                                     ASSETS
 Current assets:
    Cash and cash equivalents .......................   $    3,328   $    3,497
    Accounts receivable (less reserves of $5,744
     and $4,111 in 1997 and 1996, respectively) .....       30,147       25,344
    Inventories .....................................       12,633       10,239
    Prepaid expenses and other ......................        4,917        4,531
                                                        ----------   ----------
       Total current assets .........................       51,025       43,611
                                                        ----------   ----------
 Property and equipment, at cost:
    Land, buildings and improvements ................       10,089        8,780
    Paging and computer equipment ...................      361,713      339,391
    Furniture, fixtures and vehicles ................       16,233        9,921
                                                        ----------   ----------
                                                           388,035      358,092
    Less accumulated depreciation and amortization ..      146,542       96,448
                                                        ----------   ----------
    Property and equipment, net .....................      241,493      261,644
                                                        ----------   ----------
 Intangible and other assets (less accumulated
  amortization of $260,932 and $141,710 in 1997 and
  1996, respectively) ...............................      728,202      841,501
                                                        ----------   ----------
                                                        $1,020,720   $1,146,756
                                                        ==========   ==========

                 LIABILITIES AND STOCKHOLDERS' EQUITY (DEFICIT)

 Current liabilities:
    Current maturities of long-term debt ............   $   24,513   $       46
    Accounts payable ................................       22,486       17,395
    Accrued expenses ................................       11,894       14,287
    Accrued interest ................................       11,249       10,264
    Customer deposits ...............................        6,150        6,698
    Deferred revenue ................................        8,787        7,181
                                                        ----------   ----------
       Total current liabilities ....................       85,079       55,871
                                                        ----------   ----------
 Long-term debt, less current maturities ............      968,896      918,150
                                                        ----------   ----------
 Deferred income taxes ..............................         --         21,172
                                                        ----------   ----------
 Commitments and Contingencies

 Redeemable preferred stock .........................         --          3,712
                                                        ----------   ----------
 Stockholders' equity (deficit):
    Preferred stock -- $.01 par value, authorized
     10,000,000 shares, no shares issued ............         --           --
    Common stock -- $.01 par value, authorized
     75,000,000 shares, issued and outstanding:
     20,863,563 and 20,712,220 shares in 1997 and
     1996, respectively .............................          209          207
    Additional paid-in capital ......................      351,210      350,444
    Accumulated deficit .............................     (384,674)    (202,800)
                                                        ----------   ----------
       Total stockholders' equity (deficit) .........      (33,255)     147,851
                                                        ----------   ----------
                                                        $1,020,720   $1,146,756
                                                        ==========   ==========

              The accompanying notes are an integral part of these
                       consolidated financial statements

                                      F-3
<PAGE> 27

                         ARCH COMMUNICATIONS GROUP, INC.
                      CONSOLIDATED STATEMENTS OF OPERATIONS
                            Years Ended December 31,
               (in thousands, except share and per share amounts)

<TABLE>
<CAPTION>
                                                                         1997            1996            1995
                                                                         ----            ----            ----
<S>                                                                 <C>             <C>             <C>         
Service, rental and maintenance revenues ........................   $    351,944    $    291,399    $    138,466
Product sales ...................................................         44,897          39,971          24,132
                                                                    ------------    ------------    ------------
     Total revenues .............................................        396,841         331,370         162,598
Cost of products sold ...........................................        (29,158)        (27,469)        (20,789)
                                                                    ------------    ------------    ------------
                                                                         367,683         303,901         141,809
                                                                    ------------    ------------    ------------
Operating expenses:
  Service, rental and maintenance ...............................         79,836          64,957          29,673
  Selling .......................................................         51,474          46,962          24,502
  General and administrative ....................................        106,041          86,181          40,448
  Depreciation and amortization .................................        232,347         191,871          60,205
                                                                    ------------    ------------    ------------
     Total operating expenses ...................................        469,698         389,971         154,828
                                                                    ------------    ------------    ------------

Operating income (loss) .........................................       (102,015)        (86,070)        (13,019)
Interest expense ................................................        (98,063)        (77,353)        (22,560)
Interest income .................................................            904           1,426              38
Equity in loss of affiliate .....................................         (3,872)         (1,968)         (3,977)
                                                                    ------------    ------------    ------------
Income (loss) before income tax benefit and extraordinary item...       (203,046)       (163,965)        (39,518)
Benefit from income taxes .......................................         21,172          51,207           4,600
                                                                    ------------    ------------    ------------
Income (loss) before extraordinary item .........................       (181,874)       (112,758)        (34,918)
Extraordinary charge from early extinguishment of debt ..........           --            (1,904)         (1,684)
                                                                    ------------    ------------    ------------
Net income (loss) ...............................................       (181,874)       (114,662)        (36,602)
Accretion of redeemable preferred stock .........................            (32)           (336)           (102)
                                                                    ------------    ------------    ------------
Net income (loss) to common stockholders ........................   $   (181,906)   $   (114,998)   $    (36,704)
                                                                    ============    ============    ============

Basic income (loss) per common share before extraordinary item
  and accretion of preferred stock ..............................   $      (8.77)   $      (5.51)   $      (2.59)
Basic extraordinary charge from early extinguishment of
 debt per common share ..........................................           --              (.09)           (.12)
Basic accretion of redeemable preferred stock per common share ..           --              (.02)           (.01)
                                                                    ------------    ------------    ------------
Basic net income (loss) per common share ........................   $      (8.77)   $      (5.62)   $      (2.72)
                                                                    ============    ============    ============

Basic weighted average number of common shares outstanding ......     20,746,240      20,445,943      13,497,734
                                                                    ============    ============    ============
</TABLE>



              The accompanying notes are an integral part of these
                       consolidated financial statements.

                                      F-4
<PAGE> 28

                         ARCH COMMUNICATIONS GROUP, INC.
            CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY (DEFICIT)
                      (in thousands, except share amounts)


<TABLE>
<CAPTION>
                                                                                          
                                                               Additional                      Total
                                                      Common     Paid-In    Accumulated    Stockholders'
                                                       Stock     Capital      Deficit     Equity(Deficit)
                                                       -----     -------      -------    ---------------
<S>                                                 <C>         <C>          <C>          <C>      
Balance, December 31, 1994 ......................   $      81   $  60,823    $ (51,536)   $   9,368
   Exercise of options to purchase 475,903
     shares of common stock .....................           5       5,137         --          5,142
   Issuance of 7,994,493 shares of common
     stock to acquire stock of paging companies .          80     215,819         --        215,899
   Issuance of 2,706,659 shares of common
     stock (net of issuance costs of $3,016) ....          27      46,354         --         46,381
   Issuance of 417,311 shares of common stock
     upon conversion of convertible
     subordinated debentures (net of costs of
     conversion of $192) ........................           4       6,794         --          6,798
   Accretion of redeemable preferred stock ......        --          (102)        --           (102)
   Net loss .....................................        --          --        (36,602)     (36,602)
                                                    ---------   ---------    ---------    ---------
Balance, December 31, 1995 ......................         197     334,825      (88,138)     246,884
  Exercise of options to purchase 169,308 shares
     of common stock ............................           2       1,469         --          1,471
  Issuance of 46,842 shares of common stock
     under Arch's Employee Stock Purchase Plan ..        --           373         --            373
  Issuance of 843,039 shares of common stock
     upon conversion of convertible subordinated
     debentures .................................           8      14,113         --         14,121
  Accretion of redeemable preferred stock .......        --          (336)        --           (336)
  Net loss ......................................        --          --       (114,662)    (114,662)
                                                    ---------   ---------    ---------    ---------
Balance, December 31, 1996 ......................         207     350,444     (202,800)     147,851
  Issuance of 151,343 shares of common stock
     under Arch's Employee Stock Purchase Plan ..           2         798         --            800
  Accretion of redeemable preferred stock .......        --           (32)        --            (32)
  Net loss ......................................        --          --       (181,874)    (181,874)
                                                    ---------   ---------    ---------    ---------
Balance, December 31, 1997 ......................   $     209   $ 351,210    $(384,674)   $ (33,255)
                                                    =========   =========    =========    =========
</TABLE>

              The accompanying notes are an integral part of these
                       consolidated financial statements.

                                      F-5
<PAGE> 29

                         ARCH COMMUNICATIONS GROUP, INC.
                      CONSOLIDATED STATEMENTS OF CASH FLOWS
                            Years Ended December 31,
                                 (in thousands)

<TABLE>
<CAPTION>
                                                                       1997         1996         1995
                                                                       ----         ----         ----

<S>                                                                 <C>          <C>          <C>       
Cash flows from operating activities:
  Net income (loss) .............................................   $(181,874)   $(114,662)   $ (36,602)
  Adjustments to reconcile net income (loss) to net cash
      provided by operating activities:
  Depreciation and amortization .................................     232,347      191,871       60,205
  Deferred income tax benefit ...................................     (21,172)     (51,207)      (4,600)
  Extraordinary charge from early extinguishment of debt ........        --          1,904        1,684
  Equity in loss of affiliate ...................................       3,872        1,968        3,977
  Accretion of discount on senior notes .........................      33,259       24,273         --
  Accounts receivable loss provision ............................       7,181        8,198        3,915
  Changes in assets and liabilities, net of effect from
  acquisitions of paging companies:
     Accounts receivable ........................................     (11,984)     (15,513)      (9,582)
     Inventories ................................................      (2,394)       1,845       (3,176)
     Prepaid expenses and other .................................        (386)          89         (511)
     Accounts payable and accrued expenses ......................       3,683      (12,520)        (551)
     Customer deposits and deferred revenue .....................       1,058        1,556          (10)
                                                                    ---------    ---------    ---------
Net cash provided by operating activities .......................      63,590       37,802       14,749
                                                                    ---------    ---------    ---------
Cash flows from investing activities:
  Additions to property and equipment, net ......................     (87,868)    (138,899)     (45,331)
  Additions to intangible and other assets ......................     (14,901)     (26,307)     (15,137)
  Acquisition of paging companies, net of cash acquired .........        --       (325,420)    (132,081)
                                                                    ---------    ---------    ---------
Net cash used for investing activities ..........................    (102,769)    (490,626)    (192,549)
                                                                    ---------    ---------    ---------
Cash flows from financing activities:
  Issuance of long-term debt ....................................      91,000      676,000      191,617
  Repayment of long-term debt ...................................     (49,046)    (225,166)     (63,705)
    Repayment of redeemable preferred stock .....................      (3,744)        --           --
  Net proceeds from sale of common stock ........................         800        1,844       51,180
                                                                    ---------    ---------    ---------
Net cash provided by financing activities .......................      39,010      452,678      179,092
                                                                    ---------    ---------    ---------
Net increase (decrease) in cash and cash equivalents ............        (169)        (146)       1,292
Cash and cash equivalents, beginning of period ..................       3,497        3,643        2,351
                                                                    ---------    ---------    ---------
Cash and cash equivalents, end of period ........................   $   3,328    $   3,497    $   3,643
                                                                    =========    =========    =========


Supplemental disclosure:
  Interest paid .................................................   $  62,231    $  48,905    $  20,933
                                                                    =========    =========    =========
  Issuance of common stock for acquisition of paging companies ..   $    --      $    --      $ 215,899
                                                                    =========    =========    =========
  Issuance of common stock for convertible debentures ...........   $    --      $  14,121    $   6,990
                                                                    =========    =========    =========
  Accretion of redeemable preferred stock .......................   $      32    $     336    $     102
                                                                    =========    =========    =========
  Liabilities assumed in acquisition of paging companies ........   $    --      $  58,233    $ 314,139
                                                                    =========    =========    =========
</TABLE>


              The accompanying notes are an integral part of these
                       consolidated financial statements.

                                      F-6
<PAGE> 30

                         ARCH COMMUNICATIONS GROUP, INC.
                   NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

1.   Organization and Significant Accounting Policies

     Organization  -- Arch  Communications  Group,  Inc.  ("Arch")  is a leading
provider of wireless messaging services, primarily paging services.

     Principles of  Consolidation  -- The  accompanying  consolidated  financial
statements include the accounts of Arch and its wholly-owned  subsidiaries.  All
significant intercompany accounts and transactions have been eliminated.

     Revenue  Recognition  -- Arch  recognizes  revenue under rental and service
agreements  with customers as the related  services are  performed.  Maintenance
revenues and related costs are recognized  ratably over the respective  terms of
the agreements. Sales of equipment are recognized upon delivery. Commissions are
recognized as an expense when incurred.

     Use of Estimates -- The  preparation of financial  statements in conformity
with  generally  accepted  accounting  principles  requires  management  to make
estimates  and  assumptions  that  affect  the  reported  amounts  of assets and
liabilities  and disclosure of contingent  assets and liabilities at the date of
the  financial  statements  and the  reported  amounts of revenues  and expenses
during the reporting period. Actual results could differ from those estimates.

     Cash Equivalents -- Cash equivalents include  short-term,  interest-bearing
instruments  purchased  with  remaining  maturities of three months or less. The
carrying amount  approximates  fair value due to the relatively  short period to
maturity of these instruments.

     Inventories   --   Inventories   consist  of  new  pagers  which  are  held
specifically for resale.  Inventories are stated at the lower of cost or market,
with cost determined on a first-in, first-out basis.

     Property and Equipment -- Pagers sold or otherwise retired are removed from
the  accounts  at their net book value  using the  first-in,  first-out  method.
Property  and  equipment  is  stated  at  cost  and  is  depreciated  using  the
straight-line method over the following estimated useful lives:

                                                          Estimated
                      Asset Classification               Useful Life
                      --------------------               -----------

             Buildings and improvements............        20 Years
             Leasehold improvements................       Lease Term
             Pagers................................        3 Years
             Paging and computer equipment.........       5-8 Years
             Furniture and fixtures................       5-8 Years
             Vehicles..............................        3 Years

     Effective  October 1, 1995, Arch changed its estimate of the useful life of
pagers from four years to three  years.  This change was made to better  reflect
the estimated period during which pagers will produce  equipment rental revenue.
The change did not have a material effect on depreciation expense or net loss in
the quarter ended December 31, 1995.

     Depreciation  and  amortization  expense  related to property and equipment
totaled  $108,019,000,  $87,450,000 and $25,034,000 for the years ended December
31, 1997, 1996 and 1995, respectively.


                                      F-7
<PAGE> 31


     Intangible  and  Other  Assets  --  Intangible  and  other  assets,  net of
accumulated amortization, are composed of the following at December 31, 1997 and
1996 (in thousands):

                                                         1997       1996
                                                         ----       ----
      Goodwill .....................................   $312,017   $351,969
      Purchased FCC licenses .......................    293,922    330,483
      Purchased subscriber lists ...................     87,281    120,981
      Deferred financing costs .....................      8,752     12,449
      Investment in CONXUS Communications, Inc. ....      6,500      6,500
      Investment in Benbow PCS Ventures,Inc ........      6,189      3,642
      Non-competition agreements ...................      2,783      3,594
      Other ........................................     10,758     11,883
                                                       --------   --------
                                                       $728,202   $841,501
                                                       ========   ========

     Amortization  expense  related  to  intangible  and  other  assets  totaled
$124,328,000,  $104,421,000  and  $35,171,000  for the years ended  December 31,
1997, 1996 and 1995, respectively.

     Subscriber lists,  Federal  Communications  Commission ("FCC") licenses and
goodwill are amortized over their estimated  useful lives,  ranging from five to
ten  years  using  the  straight-line  method.  Non-competition  agreements  are
amortized over the terms of the agreements using the straight-line method. Other
assets  consist of  contract  rights,  organizational  and FCC  application  and
development costs which are amortized using the straight-line  method over their
estimated  useful lives not exceeding ten years.  Development and start up costs
include nonrecurring,  direct costs incurred in the development and expansion of
paging systems, and are amortized over a two-year period.

     Deferred   financing  costs  incurred  in  connection  with  Arch's  credit
agreements (see Note 3) are being amortized over periods not to exceed the terms
of the related  agreements.  As credit  agreements are amended or  renegotiated,
unamortized deferred financing costs are written-off as an extraordinary charge.
A  charge  of  $1,684,000  was  recognized  in the  second  quarter  of  1995 in
connection  with the closing of a new credit facility and a charge of $1,904,000
was recognized in the second  quarter of 1996 in connection  with the closing of
another new credit facility.

     On November 8, 1994, CONXUS Communications,  Inc. ("CONXUS"),  formerly PCS
Development  Corporation,  was  successful  in acquiring the rights to a two-way
paging  license  in five  designated  regions  in the  United  States in the FCC
narrowband  wireless spectrum auction. As of December 31, 1997 Arch's investment
in  CONXUS  totaled  $6.5  million  representing  an  equity  interest  of 10.5%
accounted for under the cost method.

     In connection with Arch's May 1996 acquisition of Westlink  Holdings,  Inc.
("Westlink")  (see Note 2), Arch acquired  Westlink's 49.9% share of the capital
stock of Benbow PCS Ventures, Inc. ("Benbow").  Benbow has exclusive rights to a
50kHz  outbound/12.5kHz  inbound narrowband personal  communications  license in
each of the central and western  regions of the United States.  Arch has agreed,
to the extent  such funds are not  available  to Benbow  from other  sources and
subject to the approval of Arch's  designee on Benbow's  Board of Directors,  to
advance  Benbow   sufficient   funds  to  build  out  its  narrowband   personal
communications  system.  Arch's  investment in Benbow is accounted for under the
equity method whereby Arch's share of Benbow's losses since the acquisition date
of Westlink are  recognized in Arch's  accompanying  consolidated  statements of
operations under the caption equity in loss of affiliate.

     In accordance with Statement of Financial Accounting Standards ("SFAS") No.
121 "Accounting for the Impairment of Long-Lived Assets and Long-Lived Assets to
be Disposed of" Arch evaluates the  recoverability  of its carrying value of the
Company's  long-lived  assets and certain  intangible  assets based on estimated
undiscounted  cash flows to be generated from each of such assets as compared to
the original estimates used in measuring the assets. To the extent impairment is
identified,  Arch reduces the carrying value of such impaired  assets.  To date,
Arch has not had any such impairments.

     Fair Value of Financial  Instruments -- Arch's  financial  instruments,  as
defined  under  SFAS  No.  107  "Disclosures   about  Fair  Value  of  Financial
Instruments",  include its cash, its debt financing and interest rate protection
agreements.  The fair value of cash is equal to the  carrying  value at December
31, 1997 and 1996.


                                      F-8
<PAGE> 32

     As discussed  in Note 3, Arch's debt  financing  primarily  consists of (1)
senior bank debt, (2) fixed rate senior notes and (3)  convertible  subordinated
debentures. Arch considers the fair value of senior bank debt to be equal to the
carrying  value  since the  related  facilities  bear a current  market  rate of
interest.  Arch is  unable  to  determine  the  fair  value  of the  convertible
subordinated  debentures  due to the  specific  terms  and  conversion  features
available  in  their  respective  agreements.   These  various  facilities  were
negotiated with the creditors based on the facts and circumstances  available at
the time the debt was incurred. Since Arch has undergone significant change over
the past year,  management is unable to determine  what rates and terms would be
available currently.

     Arch's fixed rate senior notes are traded publicly. The following table
depicts  the fair value of this debt  based on the  current  market  quote as of
December 31, 1997 and 1996 (in thousands):
<TABLE>
<CAPTION>
                                                    December 31, 1997     December 31, 1996
                                                   --------------------  --------------------
                                                   Carrying      Fair     Carrying     Fair
             Description                             Value       Value      Value      Value
             -----------                             -----       -----      -----      -----
<S>                                                 <C>        <C>        <C>        <C>     
10 7/8% Senior Discount Notes due 2008 ..........   $332,532   $288,418   $299,273   $265,236
9 1/2% Senior Notes due 2004 of USA Mobile II ...    125,000    122,488    125,000    117,500
14% Senior Notes due 2004 of USA Mobile II ......    100,000    112,540    100,000    115,000
</TABLE>

     Arch had off balance sheet interest rate protection  agreements  consisting
of interest  rate swaps and  interest  rate caps with  notional  amounts of $140
million and $80 million,  respectively at December 31, 1997 and $165 million and
$55 million, respectively, at December 31, 1996. The fair values of the interest
rate swaps and  interest  rate caps were  $47,000 and $9,000,  respectively,  at
December 31, 1997 and $361,000 and $10,000, respectively, at December 31, 1996.

     Basic Net Income (Loss) Per Common Share -- In February 1997, the Financial
Accounting Standards Board issued SFAS No. 128 "Earnings Per Share". The Company
adopted this  standard in 1997.  The  adoption of this  standard did not have an
effect on the  Company's  financial  position,  results of  operations or income
(loss) per  share.  Basic net  income  (loss)  per common  share is based on the
weighted average number of common shares  outstanding.  Shares of stock issuable
pursuant to stock  options and upon  conversion of the  subordinated  debentures
(see Note 3) have not been  considered,  as their effect would be  anti-dilutive
and thus  diluted  net income  (loss) per common  share is the same as basic net
income (loss) per common share.


     Reclassifications  -- Certain amounts of prior periods were reclassified to
conform with the 1997 presentation.

2.   Acquisitions

     On May 21, 1996,  Arch  completed its  acquisition  of all the  outstanding
capital  stock  of  Westlink  for  $325.4  million  in  cash,  including  direct
transaction  costs. The purchase price was allocated based on the fair values of
assets acquired and liabilities assumed (including deferred income taxes arising
in purchase  accounting),  which  amounted to $383.6  million and $58.2 million,
respectively.

     On  September  7,  1995,  Arch  completed  its  acquisition  of USA  Mobile
Communications  Holdings,  Inc. ("USA Mobile"). The acquisition was completed in
two steps.  First,  in May 1995, Arch acquired  approximately  37%, or 5,450,000
shares, of USA Mobile's then outstanding common stock for $83.9 million in cash,
funded by borrowings  under the Arch  Enterprises  Credit Facility (see Note 3).
Accordingly,  Arch  accounted for its  investment in USA Mobile under the equity
method of accounting.  Arch recorded a charge of $4.0 million for the year ended
December 31, 1995 representing it's pro rata share of USA Mobile's net loss from
May until the  acquisition  was  completed.  Second,  on September 7, 1995,  the
acquisition  was  completed  through the merger of Arch with and into USA Mobile
("the Merger").  Upon  consummation  of the Merger,  USA Mobile was renamed Arch
Communications Group, Inc. In the Merger, each share of USA Mobile's outstanding
common stock was  exchanged for Arch common stock on a  .8020-for-one  basis (an
aggregate of 7,599,493 shares of Arch common stock) and the 5,450,000 USA Mobile
shares  purchased by Arch in May 1995 were  retired.  Outstanding  shares of USA
Mobile's  Series A  Redeemable  Preferred  Stock were not affected by the Merger
(see Note 4). Arch is treated as the acquirer in the Merger for  accounting  and
financial reporting purposes and the purchase price was allocated based upon the
fair market values of assets  acquired and  liabilities  assumed.  The aggregate
consideration paid or exchanged in the Merger was $582.2 million, consisting of

                                      F-9
<PAGE> 33

cash paid of $88.9 million, including direct transaction costs, 7,599,493 shares
of Arch common stock valued at $209.0  million and the assumption of liabilities
of $284.3 million, including $241.2 million of long-term debt.

     During the year ended December 31, 1995,  Arch completed five  acquisitions
of paging companies,  in addition to the Merger, for purchase prices aggregating
approximately  $43.0  million,  consisting  of cash of $36.1 million and 395,000
shares of Arch common stock valued at $6.9 million.  Goodwill resulting from the
acquisitions  and the Merger is being amortized over a ten-year period using the
straight-line method.

     These acquisitions have been accounted for as purchases, and the results of
their  operations have been included in the  consolidated  financial  statements
from the dates of the respective acquisitions. The following unaudited pro forma
summary presents the  consolidated  results of operations as if the acquisitions
had occurred at the beginning of the periods  presented,  after giving effect to
certain adjustments,  including depreciation and amortization of acquired assets
and interest  expense on  acquisition  debt.  These pro forma  results have been
prepared for  comparative  purposes  only and do not purport to be indicative of
what would have occurred had the acquisitions  been made at the beginning of the
period presented, or of results that may occur in the future.

                                        (unaudited and in thousands except
                                              for per share amounts)
                                              Year Ended December 31,
                                       --------------------------------------
                                               1996               1995

Revenues..................................  $ 358,900           $321,963
Income (loss) before extraordinary item...   (128,444)           (92,395)
Net income (loss).........................   (130,348)           (94,079)
Basic net income (loss) per common share..      (6.39)             (6.97)
 

3.   Long-term Debt

     Long-term debt consisted of the following at December 31, 1997 and 1996 (in
thousands):

                                                          1997       1996
                                                          ----       ----
    Senior bank debt ................................   $422,500   $380,500
    10 7/8% Senior Discount Notes due 2008 ..........    332,532    299,273
    9 1/2% Senior Notes due 2004 of USA Mobile II ...    125,000    125,000
    14% Senior Notes due 2004 of USA Mobile II ......    100,000    100,000
    Convertible subordinated debentures .............     13,364     13,364
    Other ...........................................         13         59
                                                        --------   --------
                                                         993,409    918,196
    Less-current maturities .........................     24,513         46
                                                        --------   --------
    Long-term debt ..................................   $968,896   $918,150
                                                        ========   ========

     Senior Bank Debt -- Arch, through its operating  subsidiaries,  has entered
into  two  credit  agreements.  Arch  Communications  Enterprises,  Inc.  ("Arch
Enterprises"), a wholly-owned subsidiary of Arch, entered into a credit facility
dated May 5, 1995, as amended, with a group of banks and financial  institutions
who  agreed,  subject  to certain  terms and  conditions  to provide  (i) a $250
million,   seven-year   reducing   revolver   facility  (the  "Arch  Enterprises
Revolver"),  (ii) a $150  million,  seven-year  term loan (the  "Tranche  A Term
Loan"),  and (iii) a $100  million,  eight-year  term loan (the  "Tranche B Term
Loan").  The Arch Enterprises  Revolver,  which is available for working capital
and other  purposes,  the  Tranche  A Term Loan and the  Tranche B Term Loan are
collectively  referred  to as the Arch  Enterprises  Credit  Facility.  The Arch
Enterprises   Credit  Facility  is  secured  by  all  assets  of  the  operating
subsidiaries of Arch  Enterprises and a pledge of all the stock of Arch's direct
and indirect subsidiaries.  In addition,  Arch and the operating subsidiaries of
Arch  Enterprises  have  guaranteed all obligations  under the Arch  Enterprises
Credit Facility.

     The Arch Enterprises  Revolver is subject to scheduled mandatory reductions
commencing on December 31, 1999. The Tranche A Term Loan and Tranche B Term Loan
will be amortized in quarterly installments commencing on March 31, 1998.


                                      F-10
<PAGE> 34

     Except for the Tranche B Term Loan,  borrowings under the Credit Facilities
bear  interest  based on a reference  rate equal to either (i) the agent  bank's
Alternate  Base Rate,  or (ii) the agent bank's LIBOR rate,  in each case plus a
margin which is based on the ratio of total debt to  annualized  operating  cash
flow. Borrowings under the Tranche B Term Loan bear interest at either the agent
bank's  Alternate  Base Rate plus  1.75%,  or the agent  bank's  LIBOR rate plus
3.00%.  Interest is payable quarterly in arrears. In addition,  a commitment fee
of .375% per annum is payable on the average  daily  unused  portion of the Arch
Enterprises Revolver.

     Arch  Enterprises is also required to maintain  interest rate protection on
at  least  50% of  outstanding  borrowings  under  the Arch  Enterprises  Credit
Facility,  and has  therefore  entered into interest rate swap and interest rate
cap  agreements.  Entering into interest rate cap and swap  agreements  involves
both the credit risk of dealing with  counterparties  and their  ability to meet
the  terms  of  the   contracts   and  interest  rate  risk.  In  the  event  of
non-performance   by  the   counterparty   to  these  interest  rate  protection
agreements,  Arch Enterprises would be subject to the prevailing  interest rates
specified in the Arch Enterprises Credit Facility.

     Under  the  interest  rate  swap  agreements,  the  Company  will  pay  the
difference between LIBOR and the fixed swap rate if the swap rate exceeds LIBOR,
and the Company will  receive the  difference  between  LIBOR and the fixed swap
rate if LIBOR exceeds the swap rate.  Settlement  occurs on the quarterly  reset
dates specified by the terms of the contracts.  The notional principal amount of
the interest rate swaps  outstanding  was $140 million at December 31, 1997. The
weighted  average fixed payment rate was 5.818% while the weighted  average rate
of variable  interest  payments under the Arch  Enterprises  Credit Facility was
5.872% at December  31, 1997.  At December 31, 1997 and 1996,  the Company had a
net  receivable of $18,000 and a net payable of $124,000,  respectively,  on the
interest rate swaps.

     The  interest  rate cap  agreements  will pay the  Company  the  difference
between  LIBOR and the cap level if LIBOR  exceeds  the cap levels at any of the
quarterly  reset dates. If LIBOR remains below the cap level, no payment is made
to the Company.  The total  notional  amount of the interest rate cap agreements
was $80 million with cap levels  between  7.5% and 8% at December 31, 1997.  The
transaction fees for these instruments are being amortized over the terms of the
agreements.

     The Arch  Enterprises  Credit Facility  contains  restrictive and financial
covenants which,  among other things,  limit the ability of Arch Enterprises to:
incur  additional  indebtedness,  advance  funds to  Benbow  (see  Note 1),  pay
dividends,  grant liens on its assets, merge, sell or acquire assets; repurchase
or redeem capital stock;  incur capital  expenditures;  and prepay  indebtedness
other  than  indebtedness  under the Arch  Enterprises  Credit  Facility.  As of
December 31, 1997,  Arch  Enterprises  and its  operating  subsidiaries  were in
compliance with the covenants of the Arch Enterprises Credit Facility.

     As of December 31, 1997,  $359.5 million was  outstanding and $28.7 million
was available under the Arch Enterprises Credit Facility.  At December 31, 1997,
such advances bore interest at an average annual rate of 8.76%.

     USA  Mobile  Communications,  Inc.  II ("USA  Mobile  II")  and the  direct
subsidiaries  of USA Mobile II (the "USA Mobile II Borrowing  Subsidiaries)  are
parties to a $110 million  reducing  revolving  credit  facility dated March 19,
1997, as amended,  with a group of banks pursuant to which the banks have agreed
to make  advances  for working  capital and other  purposes  (the "USA Mobile II
Credit Facility").

     Upon the  closing of the USA Mobile II Credit  Facility,  the banks did not
require the  contemporaneous  grant of a security  interest in the assets of USA
Mobile II and its  subsidiaries but they have reserved the right to require such
a security interest upon the occurrence of certain triggering  events.  Arch and
USA Mobile II have  guaranteed  the  obligations  of the USA Mobile II Borrowing
Subsidiaries  under the USA  Mobile  II Credit  Facility.  Arch's  guarantee  is
secured by the pledge of the stock of Arch Enterprises and USA Mobile II.

     Obligations  under the USA Mobile II Credit Facility bear interest based on
a reference  rate equal to either (i) the agent  bank's  Alternate  Base Rate or
(ii) the agent bank's  LIBOR rate,  in each case plus a margin which is based on
the ratio of USA Mobile II's total  indebtedness  to annualized  operating  cash
flow. A commitment  fee of .375% per annum is also payable on the average  daily
unused portion of the USA Mobile II Credit Facility.

     The USA  Mobile II  Credit  Facility  contains  restrictive  and  financial
covenants  which,  among  other  things,  limit the ability of USA Mobile II to:
incur additional indebtedness,  pay dividends, grant liens on its assets, merge,
sell or acquire  assets;  repurchase  or redeem  capital  stock;  incur  capital
expenditures; and prepay indebtedness other than indebtedness

                                      F-11
<PAGE> 35

under the USA Mobile II Credit Facility.  As of December 31, 1997, USA Mobile II
and the USA Mobile Borrowing  Subsidiaries were in compliance with the covenants
of the USA Mobile II Credit Facility.

     As of December 31, 1997, $63.0 million was outstanding and $4.6 million was
available  under the USA Mobile II Credit  Facility.  At December 31, 1997, such
advances bore interest at an average annual rate of 8.55%.

     Senior Notes - On March 12, 1996,  Arch  completed a public  offering of 10
7/8%  Senior  Discount  Notes  due 2008 (the  "Senior  Discount  Notes")  in the
aggregate principal amount at maturity of $467.4 million ($275.0 million initial
accreted value).  Interest does not accrue on the Senior Discount Notes prior to
March 15, 2001.  Commencing  September 15, 2001, interest on the Senior Discount
Notes is payable  semi-annually at an annual rate of 10 7/8%. The $266.1 million
net proceeds from the issuance of the Senior  Discount  Notes,  after  deducting
underwriting  discounts  and  commissions  and  offering  expenses,   were  used
principally  to fund a portion of the purchase  price of Arch's  acquisition  of
Westlink (see Note 2).

     Interest  on the USA Mobile II 14% Notes and the USA Mobile II 9 1/2% Notes
(collectively, the "Senior Notes") is payable semi-annually. The Senior Discount
Notes and the Senior Notes contain certain  restrictive and financial  covenants
which, among other things,  limit the ability of Arch or USA Mobile II to: incur
additional indebtedness;  pay dividends; grant liens on its assets; sell assets;
enter into  transactions  with related parties;  merge,  consolidate or transfer
substantially all of its assets;  redeem capital stock or subordinated debt; and
make certain investments.

     Convertible  Subordinated  Debentures  - On March 6, 1996,  the  holders of
$14.1  million  principal  amount  of  Arch's  6 3/4%  Convertible  Subordinated
Debentures  due 2003 ("Arch  Convertible  Debentures")  elected to convert their
Arch  Convertible  Debentures  into Arch common stock at a  conversion  price of
$16.75 per share and received  approximately 843,000 shares of Arch common stock
together with a $1.6 million cash premium.

     Interest  on the  remaining  outstanding  Arch  Convertible  Debentures  is
payable  semiannually on June 1 and December 1. The Arch Convertible  Debentures
are unsecured and are subordinated to all existing indebtedness of Arch.

     The Arch Convertible  Debentures are redeemable,  at the option of Arch, in
whole or in part, at certain prices declining  annually to 100% of the principal
amount at maturity plus accrued interest.  The Arch Convertible  Debentures also
are subject to  redemption  at the option of the holders,  at a price of 100% of
the  principal  amount plus accrued  interest,  upon the  occurrence  of certain
events.

     The Arch  Convertible  Debentures are convertible at their principal amount
into shares of Arch's  common stock at any time prior to  redemption or maturity
at an initial conversion price of $16.75 per share, subject to adjustment.

     Maturities of Debt -- Scheduled  long-term debt  maturities at December 31,
1997, are as follows (in thousands):

                      Year Ending December 31,
                      ------------------------
                      1998 ...................   $ 24,513
                      1999 ...................     37,750
                      2000 ...................     83,000
                      2001 ...................     74,750
                      2002 ...................    122,500
                      Thereafter .............    650,896
                                                 --------
                                                 $993,409
                                                 ========


                                      F-12
<PAGE> 36

4.   Redeemable Preferred Stock and Stockholders' Equity

     Redeemable  Preferred  Stock -- In connection with the Merger (see Note 2),
Arch assumed the obligations associated with 22,530 outstanding shares of Series
A  Redeemable  Preferred  Stock  issued by USA Mobile.  The  preferred  stock is
recorded at its accreted redemption value, based on 10% annual accretion through
the redemption  date. On January 30, 1997 all  outstanding  preferred  stock was
redeemed for $3,744,000 in cash.

     Stock  Options -- Arch has a 1989 Stock Option Plan (the "1989 Plan") and a
1997  Stock  Option  Plan  (the  "1997  Plan")  which  provide  for the grant of
incentive  and  nonqualified  stock  options  to key  employees,  directors  and
consultants to purchase Arch's common stock. Incentive stock options are granted
at  exercise  prices not less than the fair  market  value on the date of grant.
Options  generally vest over a five-year  period from the date of grant with the
first such vesting (20% of granted options)  occurring one year from the date of
grant and continuing ratably at 5% on a quarterly basis thereafter.  However, in
certain  circumstances,  options may be immediately  exercised in full.  Options
generally  have a duration of 10 years.  The 1989 Plan provides for the granting
of  options  to  purchase  a total of  1,128,944  shares  of common  stock.  All
outstanding  options on  September  7, 1995,  under the 1989 Plan,  became fully
exercisable and vested as a result of the Merger. The 1997 Plan provides for the
granting of options to purchase a total of 1,500,000 shares of common stock.

     Effective  October 23,  1996,  the  Compensation  Committee of the Board of
Directors of Arch  authorized  the grant of new options to each employee who had
an  outstanding  option at a price greater than $12.50 (the fair market value of
Arch's common stock on October 23, 1996).  The new option would be for the total
number  of  shares  (both  vested  and  unvested)  subject  to  each  employee's
outstanding  stock  option  agreement(s).  As a result  of this  action  424,206
options were terminated and regranted at a price of $12.50.  The Company treated
this as a cancellation  and reissuance  under APB opinion No. 25 "Accounting for
Stock Issued to Employees".

     As a result of the Merger,  Arch  assumed a stock  option  plan  originally
adopted by USA Mobile in 1994 and amended and  restated on January 26, 1995 (the
"1994 Plan"),  which provides for the grant of up to 601,500 options to purchase
Arch's common stock. Under the 1994 Plan, incentive stock options may be granted
to  employees  and  nonqualified  stock  options  may be granted  to  employees,
directors  and  consultants.  Incentive  stock  options  are granted at exercise
prices not less than the fair market value on the date of grant. Option duration
and vesting  provisions  are similar to the 1989 Plan. All  outstanding  options
under the 1994  Plan  became  fully  exercisable  and  vested as a result of the
Merger.

     In January 1995, Arch adopted a 1995 Outside  Directors'  Stock Option Plan
(the "1995  Directors'  Plan"),  which terminated upon completion of the Merger.
Prior to termination of the 1995 Directors' Plan, 15,000 options were granted at
an exercise price of $18.50 per share.  Options have a duration of ten years and
vest over a five-year  period from the date of grant with the first such vesting
(20% of  granted  options)  occurring  one  year  from  the  date of  grant  and
continuing ratably at 5% on a quarterly basis thereafter.

     As a result of the Merger,  Arch assumed  from USA Mobile the  Non-Employee
Directors' Stock Option Plan (the "Outside Directors Plan"),  which provides for
the  grant  of  up  to  80,200  options  to  purchase  Arch's  common  stock  to
non-employee  directors  of Arch.  Outside  directors  receive  a grant of 3,000
options  annually  under  the  Outside  Directors  Plan,  and newly  elected  or
appointed  outside  directors receive options to purchase 3,000 shares of common
stock as of the date of their  initial  election  or  appointment.  Options  are
granted  at fair  market  value of  Arch's  common  stock on the date of  grant.
Options have a duration of ten years and vest over a three-year  period from the
date of grant with the first such vesting (25% of granted options)  occurring on
the date of grant and future vesting of 25% of granted options occurring on each
of the first three anniversaries of the date of grant.

     On December 16, 1997, the Compensation  Committee of the Board of Directors
of Arch  authorized  the Company to offer an election to its  employees  who had
outstanding  options at a price  greater  than $5.06 to cancel such  options and
accept  new  options at a lower  price.  In  January  1998,  as a result of this
election by certain of its employees,  the Company  canceled  1,083,216  options
with exercise prices ranging from $5.94 to $20.63 and granted the same number of
new options with an exercise price of $5.06 per share,  the fair market value of
the stock on December 16, 1997.

     On  December  29,  1997,  Arch  adopted a  Deferred  Compensation  Plan for
Nonemployee  Directors.  Under this plan,  outside directors may elect to defer,
for a specified period of time, receipt of some or all of the annual and meeting
fees which would  otherwise  be payable for service as a director.  A portion of
the deferred compensation may be converted

                                      F-13
<PAGE> 37

into phantom stock units, at the election of the director. The number of phantom
stock units granted equals the amount of  compensation to be deferred as phantom
stock  divided  by the  fair  value  of  Arch's  common  stock  on the  date the
compensation  would have otherwise been paid. At the end of the deferral period,
the phantom stock units will be converted to cash based on the fair market value
of the Company's common stock on the date of distribution.


     The following table summarizes the activity under Arch's stock option plans
for the periods presented:


                                                    Number of   Weighted Average
                                                     Options     Exercise Price

       Options Outstanding at August 31, 1994 ....      602,744    $    7.19
            Granted ..............................       41,740    $   18.58
            Exercised ............................       (2,000)   $    5.94
            Terminated ...........................         --      $     --
                                                     ----------    ---------
       Options Outstanding at December 31, 1994 ..      642,484    $    7.95
            Granted ..............................      278,750    $   23.46
            Assumed in Merger ....................      571,024    $   11.59
            Exercised ............................     (475,903)   $   10.80
            Terminated ...........................      (10,600)   $   17.57
                                                     ----------    ---------
       Options Outstanding at December 31, 1995 ..    1,005,755    $   13.02
            Granted ..............................      695,206    $   15.46
            Exercised ............................     (169,308)   $    8.69
            Terminated ...........................     (484,456)   $   21.60
                                                     ----------    ---------
       Options Outstanding at December 31, 1996 ..    1,047,197    $   11.37
            Granted ..............................      500,394    $    6.68
            Exercised ............................         --      $     --
            Terminated ...........................     (190,636)   $   10.58
                                                     ----------    ---------
       Options Outstanding at December 31, 1997 ..    1,356,955    $    9.75
                                                     ==========    =========

       Options Exercisable at December 31 1997 ...      639,439    $    9.64
                                                     ==========    =========


     The  following  table  summarizes  the  options   outstanding  and  options
exercisable by price range at December 31, 1997:

                                  Weighted
                                  Average     Weighted                 Weighted
                                 Remaining     Average                  Average
Range of Exercise    Options    Contractual   Exercise    Options      Exercise
    Prices         Outstanding      Life        Price    Exercisable    Price
    ------         -----------      ----        -----    -----------    -----
$ 3.13 - $ 5.94      186,284        1.58      $  4.39      169,784     $  4.36
$ 6.25 - $ 8.25      617,654        7.45         7.09      195,010        7.77
$10.29 - $14.10      410,377        8.08        12.34      209,853       12.19
$15.85 - $20.63      124,640        8.10        20.12       51,292       19.66
$23.50 - $27.56       18,000        7.84        25.53       13,500       25.53
- ---------------       ------        ----        -----       ------       -----
$ 3.13 - $27.56    1,356,955        6.90      $  9.75      639,439     $  9.64
===============    =========        ====      =======      =======     =======


     Employee Stock Purchase Plan -- On May 28, 1996, the stockholders  approved
the 1996 Employee Stock Purchase Plan (ESPP). The ESPP allows eligible employees
the right to purchase common stock, through payroll deductions not exceeding 10%
of their compensation,  at the lower of 85% of the market price at the beginning
or the end of each six-month offering period.  During 1997 and 1996, 151,343 and
46,842  shares  were  issued at an  average  price per share of $5.29 and $7.97,
respectively.  At December  31, 1997,  51,815  shares are  available  for future
issuance.


                                      F-14
<PAGE> 38

     Accounting  for  Stock-Based  Compensation  -- Arch  accounts for its stock
option and stock purchase  plans under APB Opinion No. 25 "Accounting  for Stock
Issued to Employees",  since all options have been issued at a grant price equal
to fair market value, no compensation  cost has been recognized in the Statement
of Operations.  Had compensation cost for these plans been determined consistent
with SFAS No. 123 "Accounting for Stock-Based  Compensation",  Arch's net income
(loss) and income  (loss) per share would have been  increased to the  following
pro forma amounts:

                                        (in thousands except per share amounts)
                                                 Year Ended December 31,
                                           1997           1996          1995

Net income (loss):      As reported   $  (181,874)   $  (114,662)   $  (36,602)
                        Pro forma        (183,470)      (115,786)      (36,740)

Basic net income (loss)
  per common share:     As reported         (8.77)         (5.62)        (2.72)
                        Pro forma           (8.85)         (5.68)        (2.73)

     Because the SFAS No. 123 method of  accounting  has not been applied to the
options  granted prior to January 1, 1995, the resulting pro forma  compensation
cost may not be  representative of that to be expected in future years. The fair
value  of each  option  grant  is  estimated  on the  date of  grant  using  the
Black-Scholes  option pricing model.  In computing  these pro forma amounts Arch
has assumed a risk-free  interest  rate of 6%, an expected  life of 5 years,  an
expected dividend yield of zero and an expected volatility of 50% - 60%.

     The weighted average fair values (computed consistent with SFAS No. 123) of
options granted under all plans in 1997,  1996 and 1995,  were $3.37,  $4.95 and
$11.89,  respectively.  The weighted average fair value of shares sold under the
ESPP in 1997 and 1996 was $2.83 and $5.46, respectively.

     Stockholders Rights Plan -- Upon completion of the Merger,  Arch's existing
stockholders  rights  plan was  terminated.  In October  1995,  Arch's  Board of
Directors  adopted a new  stockholders  rights plan (the  Rights) and declared a
dividend of one preferred  stock purchase  right (a Right) for each  outstanding
share of common  stock to  stockholders  of record at the close of  business  on
October 25, 1995.  Each Right  entitles the  registered  holder to purchase from
Arch one  one-thousandth of a share of Series B Junior  Participating  Preferred
Stock, at a cash purchase price of $150, subject to adjustment.  Pursuant to the
Plan, the Rights  automatically  attach to and trade together with each share of
common stock. The Rights will not be exercisable or transferable separately from
the shares of common stock to which they are attached  until the  occurrence  of
certain  events.  The Rights  will expire on October 25,  2005,  unless  earlier
redeemed or exchanged by Arch in accordance with the Plan.

5.   Income Taxes

     Arch  accounts  for  income  taxes  under the  provisions  of SFAS No.  109
"Accounting  for  Income  Taxes".   Deferred  tax  assets  and  liabilities  are
determined based on the difference between the financial statement and tax bases
of assets and liabilities given the provisions of enacted laws.

     The components of the net deferred tax asset (liability)  recognized in the
accompanying  consolidated  balance  sheets at December 31, 1997 and 1996 are as
follows (in thousands):


                                                1997         1996
                                                ----         ----
            Deferred tax assets ..........   $ 134,944    $  94,597
            Deferred tax liabilities .....     (90,122)    (115,769)
                                             ---------    ---------
                                                44,822      (21,172)
            Valuation allowance ..........     (44,822)        --
                                             ---------    ---------
                                             $    --      $ (21,172)
                                             =========    =========



                                      F-15
<PAGE> 39

     The   approximate   effect  of  each  type  of  temporary   difference  and
carryforward  at  December  31,  1997  and 1996 is  summarized  as  follows  (in
thousands):

                                                     1997         1996
                                                     ----         ----
       Net operating losses ...................   $ 106,214    $  89,764
       Intangibles and other assets ...........     (87,444)    (115,769)
       Depreciation of property & equipment ...      24,388        3,692
       Accruals and reserves ..................       1,664        1,141
                                                  ---------    ---------
                                                     44,822      (21,172)
       Valuation allowance ....................     (44,822)        --
                                                  ---------    ---------
                                                  $    --      $ (21,172)
                                                  =========    =========

     The effective  income tax rate differs from the statutory  Federal tax rate
primarily  due  to  the  nondeductibility  of  goodwill  amortization.  The  net
operating  loss (NOL)  carryforwards  expire at various dates through 2012.  The
Internal Revenue Code contains  provisions that may limit the NOL  carryforwards
available  to be used in any  given  year if  certain  events  occur,  including
significant changes in ownership, as defined.

     The Company has  established a valuation  reserve  against its net deferred
tax asset until it becomes more likely than not that this asset will be realized
in the foreseeable future.


6.   Commitments and Contingencies

     Arch has  operating  leases for office  and  transmitting  sites with lease
terms ranging from one month to  approximately  ten years.  In most cases,  Arch
expects  that,  in the  normal  course of  business,  leases  will be renewed or
replaced by other leases.

     Future  minimum lease  payments under  noncancellable  operating  leases at
December 31, 1997 are as follows (in thousands):


                       Year Ending December 31,
                       ------------------------
                       1998 ...................   $16,909
                       1999 ...................     7,706
                       2000 ...................     4,546
                       2001 ...................     2,689
                       2002 ...................       950
                       Thereafter .............     1,680
                                                  -------
                       Total ..................   $34,480
                                                  =======

     Total rent expense under operating  leases for the years ended December 31,
1997,  1996 and  1995  approximated  $19,836,000,  $14,746,000  and  $6,423,000,
respectively.

7.   Employee Benefit Plans

     Arch has a retirement savings plan,  qualifying under Section 401(k) of the
Internal Revenue Code covering eligible employees, as defined. Under the plan, a
participant  may  elect  to  defer  receipt  of  a  stated   percentage  of  the
compensation  which would  otherwise be payable to the  participant for any plan
year (the deferred amount) provided, however, that the deferred amount shall not
exceed the maximum amount permitted under Section 401(k) of the Internal Revenue
Code. The plan provides for Arch matching contributions.  Matching contributions
for the years ended  December 31,  1997,  1996 and 1995  approximated  $302,000,
$217,000 and $124,000, respectively.

                                      F-16
<PAGE> 40

8.   Quarterly Financial Results (unaudited)

     Quarterly  financial  information for the years ended December 31, 1997 and
1996 is summarized below (in thousands, except per share amounts):

<TABLE>
<CAPTION>
                                                     First       Second        Third      Fourth
                                                    Quarter      Quarter      Quarter     Quarter
                                                    -------      -------      -------     -------
<S>                                               <C>          <C>          <C>          <C>      
Year Ended December 31, 1997:
   Revenues ...................................   $  95,539    $  98,729    $ 101,331    $ 101,242
   Operating income (loss) ....................     (26,632)     (29,646)     (27,208)     (18,529)
   Net income (loss) ..........................     (45,815)     (49,390)     (47,645)     (39,024)
   Basic net income (loss) per common share:
     Net income (loss) ........................       (2.21)       (2.38)       (2.29)       (1.88)

Year Ended December 31, 1996:
   Revenues ...................................   $  67,171    $  78,983    $  90,886    $  94,330
   Operating income (loss) ....................     (12,949)     (18,821)     (23,647)     (30,653)
   Income (loss) before extraordinary item ....     (19,377)     (25,678)     (32,178)     (35,525)
   Extraordinary charge .......................        --         (1,904)        --           --
   Net income (loss) ..........................     (19,377)     (27,582)     (32,178)     (35,525)
   Basic net income (loss) per common share:
     Income (loss) before extraordinary item ..        (.98)       (1.26)       (1.56)       (1.72)
     Extraordinary charge .....................        --           (.09)        --           --
     Net income (loss) ........................        (.98)       (1.35)       (1.56)       (1.72)
</TABLE>



                                      F-17
<PAGE> 41

                                                                     SCHEDULE II
                         ARCH COMMUNICATIONS GROUP, INC.
                        VALUATION AND QUALIFYING ACCOUNTS

                  Years Ended December 31, 1997, 1996 and 1995
                                 (in thousands)


<TABLE>
<CAPTION>
                                   Balance                                          
                                      at                       Other                    Balance
                                  Beginning     Charged     Addition to                 at End
Allowance for Doubtful Accounts   of Period    to Expense   Allowance(1)  Write-Offs   of Period
- -------------------------------   ---------    ----------   ------------  ----------   ---------
<S>                              <C>          <C>          <C>          <C>           <C>       
Year ended December 31, 1997 .   $    4,111   $    7,181   $     --     $   (5,548)   $    5,744

Year ended December 31, 1996 .   $    2,125   $    8,198   $    1,757   $   (7,969)   $    4,111

Year ended December 31, 1995 .   $      707   $    3,915   $    1,251   $   (3,748)   $    2,125

</TABLE>

(1)   Additions arising through acquisitions of paging companies

                                      S-1
<PAGE> 42

                                      INDEX
<TABLE>
<CAPTION>
 Exhibit                                            Description
 -------                                            -----------
<S>          <C>                                                  
    3.1      -    Restated Certificate of Incorporation. (1)
    3.2      -    Certificate  of  Designations  establishing  the  Series B Junior  Participating
                  Preferred Stock. (2)
    3.3      -    Certificate  of  Correction,  filed with the  Secretary  of State of Delaware on
                  February 15, 1996.(1)
    3.4      -    By-laws, as amended.(1)
    4.1      -    Indenture,  dated February 1, 1994, between USA Mobile  Communications,  Inc. II
                  ("USA  Mobile  II") and United  States  Trust  Company of New York,  as Trustee,
                  relating to the 91/2% Senior Notes due 2004 of USA Mobile II. (3)
    4.2      -    Indenture,  dated  December  15, 1994,  between USA Mobile II and United  States
                  Trust  Company of New York,  as Trustee,  relating  to the 14% Senior  Notes due
                  2004 of USA Mobile II. (4)
    4.3      -    Indenture,  dated as of December 1, 1993, between Arch and The Bank of New York,
                  relating to the 63/4% Convertible Subordinated Debentures due 2003 of Arch. (5)
    4.4           -  Indenture,  dated  March  12,  1996,  between  Arch and IBJ
                  Schroder Bank & Trust  Company,  relating to the 107/8% Senior
                  Discount Notes due 2008 of Arch.(9)
   10.1      -    First  Amended and  Restated  Credit  Agreement  Dated May 21, 1996 By and Among
                  Arch Communications Enterprises,  Inc., the Lenders party thereto, the Co-Agents
                  party thereto, and The Bank of New York as Administrative Agent(8)
   10.2      -    Amendment No. 2 to the First  Amended and Restated  Credit  Agreement  Dated May
                  21, 1996 By and Among Arch Communications  Enterprises,  Inc., The Lenders party
                  thereto,   the  Co-Agents   party   thereto,   and  The  Bank  of  New  York  as
                  Administrative Agent. (12)
   10.3*!    -    Amendment  No. 5 and Waiver No. 1 to and under the First  Amended  and  Restated
                  Credit Agreement Dated May 21, 1996.
   10.4      -    First  Amended and  Restated  Credit  Agreement,  dated March 19, 1997 (the "USA
                  Mobile II Credit  Agreement"),  among  Premiere  Page of Kansas,  Inc.,  Q Media
                  Paging-Alabama,   Inc.,   USA   Mobile   Communications,   Inc.   III,  Q  Media
                  Company-Paging,  Inc.,  W.Q.  Communications,  Inc.,  USA Mobile II, The Lenders
                  Party Hereto, and The Bank of New York, as Administrative Agent.(12)
   10.5*!    -    Amendment No. 3 to the USA Mobile II Credit Agreement.
  +10.6      -    Amended and Restated Stock Option Plan. (6)
  +10.7      -    Non-Employee Directors' Stock Option Plan. (7)
  +10.8      -    1989 Stock Option Plan, as amended.(1)
  +10.9      -    1995 Outside Directors' Stock Option Plan (5)
 +10.10      -    1996 Employee Stock Purchase Plan(10)
 +10.11      -    1997 Stock Option Plan(11)
 +10.12*     -    Deferred Compensation Plan for Nonemployee Directors
 +10.13*     -    Form of Executive  Retention  Agreement  by and between Arch and Messrs.  Baker,
                  Daniels, Kuzia. Pottle and Saynor
  10.15      -    Letter  Agreement  dated  January  7,  1997 and  Amendment  1 dated  May 1, 1997
                  between Arch and Motorola, Inc. (12)
  21.1*      -    Subsidiaries of the Registrant.
  23.1*      -    Consent of Arthur Andersen LLP.
  27.1*      -    Financial Data Schedule
</TABLE>

*    Filed herewith
+    Identifies exhibits constituting a management contract or compensatory plan
!    Confidential treatment requested with respect to portions of this exhibit

(1)  Incorporated by reference from the Registration Statement on Form S-3 (File
     no. 333-542) of Arch.

(2)  Incorporated by reference from the Current Report on Form 8-K of Arch dated
     October 13, 1995 and filed on October 24, 1995.

(3)  Incorporated by reference from the Registration Statement on Form S-1 (File
     no. 33-72646) of USA Mobile II

(4)  Incorporated by reference from the Registration Statement on Form S-1 (File
     no. 33-85580) of USA Mobile II



<PAGE> 43


(5)  Incorporated by reference from the Registration Statement on Form S-3 (File
     no. 33-87474) of Arch.

(6)  Incorporated by reference from the Annual Report on Form 10-K of Arch (then
     known as USA Mobile) for the fiscal year ended December 31, 1994.

(7)  Incorporated by reference from the Registration Statement on Form S-4 (File
     no. 33-83648) of Arch (then known as USA Mobile).

(8)  Incorporated  by reference  from the Quarterly  Report on Form 10-Q of Arch
     for the quarter  ended June 30,  1996.  Confidential  treatment  previously
     granted with respect to portions of this exhibit.

(9)  Incorporated  by reference from Amendment No. 1 to the Quarterly  Report on
     Form  10-Q/A  for  the  quarter  ended  September  30,  1995.  Confidential
     treatment previously granted with respect to portions of this exhibit.

(10) Incorporated  by reference  from the Annual Report on Form 10-K of Arch for
     the fiscal year ended December 31, 1995.

(11) Incorporated  by reference  from the Annual Report on Form 10-K of Arch for
     the fiscal year ended December 31, 1996.

(12) Incorporated  by reference  from the Quarterly  Report on Form 10-Q of Arch
     for the quarter  ended March 31, 1997.  Confidential  Treatment  previously
     granted with respect to portions of this exhibit.


<PAGE> 

                                                                  EXHIBIT 10.3
                       
                        *CONFIDENTIAL TREATMENT REQUESTED
       CONFIDENTIAL PORTIONS HAVE BEEN OMITTED AND FILED SEPARATELY

                     AMENDMENT NO. 5 AND WAIVER NO. 1
                             TO AND UNDER THE
                FIRST AMENDED AND RESTATED CREDIT AGREEMENT

     AMENDMENT NO. 5 AND WAIVER NO. 1 (this "AMENDMENT AND WAIVER"), dated as of
   March 9, 1998, to and under the First Amended and Restated  Credit Agreement,

dated as of May 21, 1996, by and among ARCH COMMUNICATIONS ENTERPRISES,  INC., a
Delaware  corporation  (the  "Borrower"),  ARCH  COMMUNICATIONS  GROUP,  INC., a
Delaware  corporation (the "Parent"),  the Lenders party thereto,  the Co-Agents
party thereto and THE BANK OF NEW YORK, as administrative  agent for the Lenders
(in such capacity,  the "Administrative  Agent"), as amended by Amendment No. 1,
dated as of June 25,  1996,  Amendment  No.  2,  dated  as of  March  25,  1997,
Amend-ment  No. 3, dated as of June 17, 1997,  and  Amendment No. 4, dated as of
January 7, 1998 (as so amended, the "Credit Agreement").

                                 RECITALS

     A.  Capitalized  terms used herein which are not defined  herein shall have
the respective meanings ascribed thereto in the Credit Agreement.

     B. The Parent and the Borrower have requested that the Administrative Agent
and the Lenders amend the Credit Agreement and waive compliance with Section 8.4
of the Credit Agreement,  in each case to the extent and in the manner set forth
below, and the Administrative Agent and the Lenders executing this Amendment and
Waiver are willing to do so subject to the terms and conditions hereof.

     Accordingly,  in consideration of the covenants,  conditions and agreements
hereinafter  set  forth,  and for other  good and  valuable  consideration,  the
receipt and adequacy of which are hereby acknowledged,  the parties hereto agree
as follows:

     1. Pursuant to Section  2.6(a) of the Credit  Agreement,  the amount of the
Aggregate  Revolving Credit  Commitments is permanently  reduced to $212,250,000
(notwithstanding any requirements contained in the last sentence of such Section
2.6(a) regarding the amount of any such voluntary reduction).

     2. The definitions of "Available Amount", "Fixed Charges",  "Pro-forma Debt
Service" and "Tower Net Sales  Proceeds"  contained in Section 1.1 of the Credit
Agreement are amended to read as follows:

               "Available  Amount": as of any date of determination,
          an  amount  equal  to 50% of  Excess  Cash  Flow  for  the
          immediately   preceding   fiscal   year,   minus  (i)  all
          Restricted Payments made pursuant to Section 8.5(e) during
          the fiscal year in which such determination is being made,
          and minus  (ii) all  Additional  Benbow  Investments  made
          pursuant to Section  8.6(o)(iv)(B)  during the fiscal year
          in which such determination is being made.


<PAGE>


               "FIXED CHARGES":  for any period, with respect to the
          Restricted  Subsidiaries on a Consolidated  basis, the sum
          of (i) scheduled  payments of principal on Total Debt made
          or  required  to be made  during  such  period,  (ii)  the
          amount,  if  positive,  equal  to (a)  the  amount  of the
          Revolving  Credit Loans  outstanding  at the  beginning of
          such  period  minus  (b) the  Aggregate  Revolving  Credit
          Commitments  at the end of  such  period  (without  giving
          effect to reductions  thereof during such period  required
          by  Section  2.6(c)),   (iii)  Capital   Expenditures  and
          Unconsolidated  Investments made during such period,  (iv)
          payments  under Capital Leases made or required to be made
          in  such  period,  (v)  without  duplication,   taxes  and
          payments  under the Tax  Sharing  Agreement,  in each case
          paid or required  to be paid in cash  during such  period,
          and (vi) Cash Interest Expense.

               "PRO-FORMA   DEBT   SERVICE":    at   any   date   of
          determination,  the sum of (i) Cash  Interest  Expense for
          the  period  of  the  four  fiscal  quarters   immediately
          succeeding  such date of  determination,  (ii) all current
          maturities  of Total Debt of the  Restricted  Subsidiaries
          (determined  on a  Consolidated  basis in accordance  with
          GAAP) for such four  fiscal  quarter  period and (iii) for
          periods  beginning  after June 30,  1999,  the amount,  if
          positive,  equal to (a) the amount of the Revolving Credit
          Loans  outstanding  at the  beginning of such period minus
          (b) the Aggregate  Revolving Credit Commitments at the end
          of such  period  (after  giving  effect  to any  mandatory
          reductions  during such period pursuant to Section 2.6(b).
          Where  any  item of  interest  varies  or  depends  upon a
          variable rate of interest (or other rate of interest which
          is not fixed for such entire four fiscal quarter  period),
          such rate,  for  purposes of  calculating  Pro-forma  Debt
          Service, shall be assumed to equal the Alternate Base Rate
          plus the  Applicable  Margin in effect on the date of such
          calculation,  or, if such rate is a Eurodollar  Rate,  the
          applicable  Eurodollar Rate plus the Applicable  Margin in
          effect on the date of such calculation. Also, for purposes
          of  calculating  Pro-forma  Debt  Service,  the  principal
          amount  of  Total  Debt  outstanding  on the  date  of any
          calculation  of Pro-forma Debt Service shall be assumed to
          be  outstanding  during the  entire  four  fiscal  quarter
          period  immediately  succeeding  such date,  except to the
          extent  that such  Indebtedness  is subject  to  mandatory
          payment of principal during such period.

               "TOWER NET SALES PROCEEDS": with respect to any Tower
          Sale,  an amount  equal to the  greater of (i) 100% of the
          Net Sales Proceeds of such Tower Sale and (ii) 100% of the
          Net  Cash  Proceeds  (as  defined  in  the  Discount  Note
          Indenture) of such Tower Sale.

                                  - 2 -


<PAGE>


     3. Section 1.1 of the Credit  Agreement is amended by adding the  following
definitions in their appropriate alphabetical order:

               "AGGREGATE AVAILABLE CAPEX/INVESTMENT AMOUNT": at any
          time, an amount equal to (i) the sum of  $50,000,000  PLUS
          the Excess Tower Proceeds Amount at such time,  MINUS (ii)
          the sum of,  without  duplication,  the  aggregate  amount
          expended by the  Restricted  Subsidiaries  from January 1,
          1998  through  and  including  such time in respect of (a)
          Capital Expenditures and (b) Unconsolidated Investments.

               "AGGREGATE CREDIT EXPOSURE":  at any date, the sum of
          the out-  standing  principal  amount  of the Loans of all
          Lenders on such date.

               "EXCESS  TOWER  PROCEEDS  AMOUNT":  at any  time,  an
          amount  (if  positive)  equal to (i)  aggregate  amount of
          Tower  Net  Sales  Proceeds  received  by  the  Restricted
          Subsidiaries  in the fiscal year ended  December  31, 1998
          MINUS (ii) $13,000,000.

               "PAGE CALL": Page Call, Inc., a Delaware corporation.

               "PAGE  CALL  INVESTMENT":  the  contribution  by  the
          Parent  to  the  Borrower,  and  the  contribution  by the
          Borrower to Westlink Company, of shares of common Stock of
          the  Parent to the  extent  necessary  to enable  Westlink
          Company to sell to Benbow (in  exchange  for a  promissory
          note)  sufficient  shares  of  such  common  stock  as are
          necessary to satisfy Benbow's  obligations  under the Page
          Call Purchase Agreement.

               "PAGE CALL PURCHASE  AGREEMENT":  the Stock  Purchase
          Agreement,  dated as of April 30,  1997,  among Page Call,
          Lisa-Gaye Shearing,  Adelphia Communications  Corporation,
          Benbow and the Parent,  as the same may be amended in form
          and substance  satisfactory to the Administrative Agent to
          provide for  consideration  in the form of common stock of
          the Parent as provided in Section 8.6(g)(i).

                                  - 3 -


<PAGE>


                        *CONFIDENTIAL TREATMENT REQUESTED
       CONFIDENTIAL PORTIONS HAVE BEEN OMITTED AND FILED SEPARATELY

               "QUARTERLY  AVAILABLE  CAPEX/INVESTMENT  AMOUNT":  in
          respect of each  fiscal  quarter of the fiscal  year ended
          December  31,  1998,  (i) the sum of the  amount set forth
          below opposite such quarter plus the Excess Tower Proceeds
          Amount MINUS,  (ii) the sum of, without  duplication,  the
          aggregate  amount expended by the Restricted  Subsidiaries
          during such fiscal quarter through and including such time
          in   respect   of  (a)   Capital   Expenditures   and  (b)
          Unconsolidated Investments:

                        FISCAL QUARTER                AMOUNT

                        First Quarter           $20,000,000
                        Second Quarter          $10,000,000
                        Third Quarter           $10,000,000
                        Fourth Quarter          $10,000,000;

               PROVIDED,    HOWEVER,   that   Capital   Expenditures
          permitted by this  Section to be made in a fiscal  quarter
          which  are not  expended  in such  fiscal  quarter  may be
          carried over and expended in subsequent fiscal quarters.

               "QUARTERLY   AVAILABLE   UNCONSOLIDATED    INVESTMENT
          AMOUNT":  an  amount  equal to (i) in  respect  of (A) the
          first and second fiscal  quarters of the fiscal year ended
          December 31, 1998,  $6,000,000,  in the aggregate for such
          fiscal  quarters  and (B)  each of the  third  and  fourth
          fiscal  quarter of such  fiscal  year,  the  Excess  Tower
          Proceeds  Amount (not in excess of $2,000,000)  MINUS (ii)
          the sum of,  without  duplication,  the  aggregate  amount
          expended by the Restricted Subsidiaries during such fiscal
          quarter  through  and  including  such time in  respect of
          Unconsolidated Investments.

               "REVOLVING CREDIT DOLLAR LIMITATION": at any time, an
          amount  equal to (i) $ * MINUS  (ii) the lesser of (x) the
          aggregate  amount of Tower Net Sales Proceeds  received by
          any  Restricted  Subsidiary  from  January  1, 1998 to and
          including such time and (y) $13,000,000.

               "UNCONSOLIDATED  INVESTMENT":  means, as of any date,
          any Investment  made by any  Restricted  Subsidiary in any
          other Person  that,  pursuant to GAAP as in effect on such
          date,  would not be  consolidated  with the  Borrower  for
          financial  reporting  purposes  immediately  after  giving
          effect to such investment,  including, without limitation,
          Investments  in  minority   interests  in  Paging-Relating
          Businesses,  Additional Benbow Investments and Investments
          in other personal communication services.

                                  - 4 -


<PAGE>


                        *CONFIDENTIAL TREATMENT REQUESTED
       CONFIDENTIAL PORTIONS HAVE BEEN OMITTED AND FILED SEPARATELY

     4.  Section 2.1 of the Credit  Agreement is amended in its entirety to read
as follows:

                  2.1   REVOLVING CREDIT LOANS.

               Subject  to the terms  and  conditions  hereof,  each
          Revolving Credit Lender severally agrees to make revolving
          credit loans (each a  "REVOLVING  CREDIT LOAN" and, as the
          context may require, collectively with all other Revolving
          Credit Loans of such Revolving  Credit Lender and/ or with
          the Revolving  Credit Loans of each other Revolving Credit
          Lender, the "REVOLVING CREDIT LOANS") to the Borrower from
          time  to  time  during  the  Revolving  Credit  Commitment
          Period,  PROVIDED  THAT  immediately  after giving  effect
          thereto  (i) the  outstanding  principal  balance  of such
          Revolving Credit Lender's Revolving Credit Loans shall not
          exceed such Revolving  Credit  Lender's  Revolving  Credit
          Commitment,  (ii) the outstanding principal balance of all
          Revolving Credit Lenders' Revolving Credit Loans shall not
          exceed the Aggregate  Revolving  Credit  Commitments,  and
          (iii) if the Leverage Ratio would be greater than or equal
          to * before or after giving effect thereto,  the Aggregate
          Credit  Exposure  shall not  exceed the  Revolving  Credit
          Dollar Limitation.  During the Revolving Credit Commitment
          Period,  the  Borrower  may borrow,  prepay in whole or in
          part and reborrow  under the  Aggregate  Revolving  Credit
          Commitments,   all  in  accordance   with  the  terms  and
          conditions of this Agreement.

     5. Section 2.7 of the Credit  Agreement is amended by adding the  following
new subsection (e) to the end thereof:

               (e) Notwithstanding anything in this Agreement to the
          contrary,  during the fiscal year ended December 31, 1998,
          the  Borrower  shall  not have the right to  increase  the
          amount of the Aggregate Revolving Credit Commitments.

     6.  Section  2.8 of  the  Credit  Agreement  is  amended  by  adding  a new
subsection  (g) to read as follows and  relettering  current  subsection  (g) as
subsection (h):

               (g) ADDITIONAL  PREPAYMENTS  OF THE REVOLVING  CREDIT
          LOANS.

                    (i) On any day  during  the  fiscal  year  ended
               December 31, 1998 on which any Restricted  Subsidiary
               receives Tower Net Sales Proceeds, the Borrower shall
               make a prepayment of the Revolving Loans by an amount
               equal to the  amount of Tower Net Sales  Proceeds  so
               received.

                                     - 5 -


<PAGE>


                        *CONFIDENTIAL TREATMENT REQUESTED
       CONFIDENTIAL PORTIONS HAVE BEEN OMITTED AND FILED SEPARATELY

                    (ii) If on any day the Leverage Ratio is greater
               than or equal to * and the Aggregate  Credit Exposure
               exceeds the Revolving Credit Dollar  Limitation,  the
               Borrower shall prepay the Revolving Loans on such day
               in an amount  equal to the  lesser of the  following:
               (x) such  excess and (y) the  portion of such  excess
               which will reduce the Leverage Ratio to below * after
               giving effect to such prepayment.

     7. Section 7.13 of the Credit  Agreement is amended in its entirety to read
as follows:

               7.13. PRO-FORMA DEBT SERVICE COVERAGE Ratio.

               Maintain,  or cause to be maintained,  as of the last
          day of each fiscal  quarter  ended  during the periods set
          forth below,  a Pro-forma  Debt Service  Coverage Ratio of
          not less than the ratios set forth below:

               PERIODS                         RATIO

               December 31, 1996 through
               December 31, 1998                 *

               March 31, 1999 and
               thereafter                        *.

     8. Section 7.14 of the Credit  Agreement is amended in its entirety to read
as follows:

               7.14. INTEREST COVERAGE RATIO.

               Maintain,  or cause to be maintained,  as of the last
          day of each fiscal  quarter ended during the periods or on
          the date set forth below,  an Interest  Coverage  Ratio of
          not less than the ratios set forth below:

               PERIODS                         RATIO

               December 31, 1996 through
               June 30, 1997                     *

               September 30, 1997 through
               December 31, 1998                 *

               March 31, 1999                    *

               June 30, 1999 and
               thereafter                        *.

                                  - 6 -


<PAGE>


                        *CONFIDENTIAL TREATMENT REQUESTED
       CONFIDENTIAL PORTIONS HAVE BEEN OMITTED AND FILED SEPARATELY

     9. Section 7.15 of the Credit  Agreement is amended in its entirety to read
as follows:

               7.15. LEVERAGE RATIO.

               Maintain,  or cause to be  maintained,  at all  times
          during the periods set forth  below,  a Leverage  Ratio of
          not greater than the ratios set forth below:

               PERIODS                       RATIO

               December 31, 1996 through
               June 29, 1998                     *

               June 30, 1998 through
               December 30, 1998                 *

               December 31, 1998 through
               March 30, 1999                    *

               March 31, 1999 and
               thereafter                        *.

               Notwithstanding the foregoing,  in the event that the
          Borrower makes a Restricted  Payment  permitted by Section
          8.5(e),  the  maximum  permitted  Leverage  Ratio shall be
          reduced for all periods after such payment to *.

     10.  Section 8 of the Credit  Agreement  is amended by adding a new Section
8.21 thereto to read as follows:

               8.21 CAPITAL EXPENDITURES

               Make any Capital  Expenditure  during the fiscal year
          ended December 31, 1998, or permit any of its Subsidiaries
          so to do, except that the Restricted Subsidiaries may make
          Capital  Expenditures  in a  fiscal  quarter  during  such
          fiscal year  PROVIDED  THAT (i)  immediately  after giving
          effect to any Capital  Expenditure made during such fiscal
          quarter, the Quarterly Available  CapEx/Investment  Amount
          shall not be less than $1.00, and (ii)  immediately  after
          giving effect to any Capital  Expenditure  made during the
          fiscal  year  ended   December  31,  1998,  the  Aggregate
          Available  CapEx/Investment  Amount shall not be less than
          $1.00.

     11.  Section  8.5(f) of the Credit  Agreement is amended in its entirety to
read as follows:

                                    -7 -


<PAGE>



               (f)  provided  that no  Default  or Event of  Default
          would  exist  immediately  before or after  giving  effect
          thereto,  on or after  June 30,  1999,  the  Borrower  may
          declare  and  pay  dividends  to  the  Parent  (i)  in  an
          aggregate  amount not  exceeding  $1,000,000 to enable the
          Parent to  repurchase  shares of its common Stock and (ii)
          in an aggregate amount not exceeding  $4,000,000 to enable
          the Parent to repurchase shares of its preferred Stock.

     12. Sections  8.6(e),  (f), (g) and (o) of the Credit Agreement are amended
in their entirety to read as follows:

               (e) Unconsolidated  Investments by the Borrower after
          the  Restatement  Effective  Date,  provided  that  (i) no
          Default or Event of Default shall exist immediately before
          or after giving effect thereto,  (ii) the aggregate amount
          of  such  Unconsolidated   Investments  shall  not  exceed
          $25,000,000,  (iii)  in  the  case  of  Additional  Benbow
          Investments,  the provisions of Section 8.6(o) and (p) are
          satisfied,  (iv)  immediately  after giving  effect to the
          making of any Unconsolidated  Investment during any fiscal
          quarter of the fiscal year ended  December 31,  1998,  (A)
          the Quarterly Available  CapEx/Investment Amount shall not
          be  less  than  $1.00  and  (B)  the  Quarterly  Available
          Unconsolidated  Investment  Amount for such fiscal quarter
          shall not be less than $1.00,  and (v)  immediately  after
          giving   effect  to  the  making  of  any   Unconsolidated
          Investment   during  such  fiscal  year,   the   Aggregate
          Available  CapEx/Investment  Amount shall not be less than
          $1.00;

               (f) Capital Expenditures to the extent not prohibited
          by Section 8.21;

               (g) except as provided in  subsection  (n) below with
          respect to Investments in Foreign Subsidiaries:

                    (i) provided that the Page Call  Acquisition  is
               consummated,   the  Parent  may   contribute  to  the
               Borrower, and the Borrower may contribute to Westlink
               Company,  shares of common stock of the Parent to the
               extent  necessary to enable Westlink  Company to sell
               to Benbow at fair  market  value (in  exchange  for a
               promissory  note)  sufficient  shares of such  common
               stock   as  are   necessary   to   satisfy   Benbow's
               obligations  under the Page Call Purchase  Agreement,
               PROVIDED THAT the consideration for such common stock
               sold by Westlink Company to Benbow shall be evidenced
               by a  promissory  note of Benbow  pledged by Westlink
               Company to the Administrative Agent (which promissory
               note may be

                                   - 8 -


<PAGE>


               repaid by  Benbow  (x) in cash  funded by  additional
               loans from Westlink  Company (to the extent permitted
               by  this  Agreement)  and  June  Walsh,  (y)  by  the
               delivery of nonvoting,  preferred  Stock of Benbow or
               (z) a combination  thereof), it being understood that
               such  sale  of  Parent  common  stock  to  Benbow  in
               exchange  for  such  note  shall  not  constitute  an
               Additional  Benbow  Investment  or an  Unconsolidated
               Investment; and

                    (ii)  Investments  made  after  the  Restatement
               Effective  Date by the  Borrower in its  Subsidiaries
               and  Investments  by the  Parent  in  the  Restricted
               Subsidiaries,  PROVIDED THAt (A) each such Investment
               shall be made as a  demand  loan,  (B)  such  loan is
               evidenced  by  a  promissory   note  pledged  to  the
               Administrative  Agent  under  the  Borrower  Security
               Agreement  or the Parent  Security  Agreement,as  the
               case may be,  and (C) no  Default or Event of Default
               shall exist immediately before or after giving effect
               thereto;

               (o)  subject to  Section  8.6(e),  Additional  Benbow
          Investments, PROVIDED THAT (i) each such Additional Benbow
          Investment  shall be made as a demand loan  evidenced by a
          promissory note in form and substance  satisfactory to the
          Administrative  Agent,  which note shall be pledged to the
          Administrative Agent under the Subsidiary  Guaranty,  (ii)
          immediately  after  giving  effect to any such  Additional
          Benbow  Investment  made  during  the  fiscal  year  ended
          December    31,    1998,    the    Aggregate     Available
          CapEx/Investment  Amount  shall  not be less  than  $1.00,
          (iii)   immediately   after  giving  effect  to  any  such
          Additional   Benbow  Investment  made  during  any  fiscal
          quarter  of such  fiscal  year,  the  Quarterly  Available
          Unconsolidated  Investment  Amount  shall not be less than
          $1.00,  and (iv) on and  after  the date  upon  which  the
          Additional Benbow  Investments  exceed  $25,000,000 in the
          aggregate,  any further Additional Benbow Investment shall
          be made either:

                    (A) with  the proceeds  of the  issuance by  the 
          Parent  of additional  equity  securities  to  the  extent 
          permitted by Section 8.13(c); or

                    (B) out of Excess Cash Flow for a fiscal year in
          an amount not to exceed (after  giving  effect to any such
          Additional  Benbow  Investment) the then Available Amount,
          provided, however, that (1) no Default or Event of Default
          would  exist  immediately  before or after  giving  effect
          thereto and (2) the Borrower has delivered financial

                                   - 9 -


<PAGE>


                        *CONFIDENTIAL TREATMENT REQUESTED
       CONFIDENTIAL PORTIONS HAVE BEEN OMITTED AND FILED SEPARATELY

          statements   pursuant  to  Section   7.1(a)  or  (b)  that
          demonstrate  that the Leverage  Ratio has been less than *
          for  the  immediately  preceding  two  consecutive  fiscal
          quarters.

     13.  Section  8.8(iii)  of the Credit  Agreement  is  amended  by  deleting
subsection  (e)  thereof and by adding new  subsections  (e),  (f),  (g) and (h)
thereto to read as follows:

                    (e)  on  any  day  on   which   any   Restricted
               Subsidiary  receives  Tower Net Sales  Proceeds,  the
               Borrower  shall  apply  100% of such  Tower Net Sales
               Proceeds to the  prepayment of the  Revolving  Credit
               Loans in  accordance  with the  provisions of Section
               2.8(g)(i);

                    (f) on the last day of the  Reinvestment  Period
               applicable  to any Tower  Sale,  the  Borrower  shall
               apply  to  the   prepayment  of  the  Loans  and  the
               permanent reduction of the Aggregate Revolving Credit
               Commitments  in  accordance  with the  provisions  of
               Section  2.8(f)(iii)  and (iv) as if such  prepayment
               were  being made  pursuant  to  Section  2.8(d),  the
               amount (if  positive)  equal to (1) 100% of the Tower
               Net Sales  Proceeds  of such Tower Sale minus (2) the
               amount  thereof  which was used by one or more of the
               Restricted   Subsidiaries  during  such  Reinvestment
               Period applicable  thereto to invest (or enter into a
               legally  binding  agreement to invest) in  properties
               and    assets    that    will    be   used   in   the
               telecommunications   businesses  of  the   Restricted
               Subsidiaries, PROVIDED, HOWEVER, that (x) if any such
               legally  binding  agreement  to invest such Tower Net
               Sales   Proceeds  is  terminated,   such   Restricted
               Subsidiary may, within 90 days of such termination or
               during the Reinvestment  Period,  whichever is later,
               invest such Tower Net Sales  Proceeds as described in
               clause  (2)  (without  regard  to  the  parenthetical
               contained   therein)   and,  to  the  extent  not  so
               invested,  apply such Tower Net Sales Proceeds to the
               prepayment of the Loans and the  permanent  reduction
               of the  Aggregate  Revolving  Credit  Commitments  in
               accordance with the provisions of Section 2.8(f)(iii)
               and  (iv)  as if  such  prepayment  were  being  made
               pursuant  to  Section  2.8(d),  and (y)  pending  any
               investment  of such  Tower  Net Sales  Proceeds,  the
               Borrower  shall prepay the Revolving  Credit Loans by
               an amount equal to such Tower Net Sales Proceeds;

                                  - 10 -


<PAGE>


                    (g) upon the  consummation  of each Tower  Sale,
               the  Borrower  shall  deliver  to the  Administrative
               Agent and each  Lender a  certificate  of a financial
               officer  certifying  the  amount  of Tower  Net Sales
               Proceeds  received  by  a  Restricted  Subsidiary  in
               connection  therewith and containing  calculations in
               reasonable   detail   of  the   Aggregate   Available
               CapEx/Investment Amount and the Excess Tower Proceeds
               Amount,  in each  case  after  giving  effect  to the
               receipt of such Tower Sale Net Proceeds; and

                    (g)  Required  Lenders  shall have  consented to
               each Tower Sale after the fiscal year ended  December
               31, 1998.

     14.  Section  9.1(d) of the Credit  Agreement is amended in its entirety to
read as follows:

               (d) The  failure  of the  Borrower  or the  Parent to
          observe or perform any covenant or agreement  contained in
          Section 7.3, 7.11, 7.12, 7.13, 7.14 or 7.15,  Section 8 or
          Section 11.1; or

     15.  Section  10.7 of the Credit  Agreement is amended by deleting the word
"solely" in the first sentence thereof.

     16.  Section  12.7(b) of the Credit  Agreement is amended by replacing  the
amount  "$10,000,000"  contained  in the twelfth  line  thereof  with the amount
"$5,000,000".

     17. The Lenders hereby waive  compliance  with Section 8.4 of the Agreement
solely to the extent that the  execution by the Parent of the Page Call Purchase
Agreement was in violation thereof, provided,  however, this waiver shall not be
construed as consenting to the  performance by the Parent  thereunder  except as
specifically permitted in this Amendment and Waiver.

     18. Exhibit D in the form annexed  hereto is  substituted  for Exhibit D to
the Credit Agreement.

     19.  Paragraphs  1-18 of this  Amendment  and Waiver shall not be effective
until the prior or simultaneous fulfillment of the following conditions:

            (a) The Administrative  Agent shall have received this Amendment and
      Waiver executed by a duly authorized  officer or officers of the Borrower,
      the Parent, the Subsidiary  Guarantors,  the Administrative  Agent and the
      Required Lenders.

            (b) The  Administrative  Agent shall have received a certificate  of
      the Secretary or Assistant  Secretary of the Borrower (i) attaching a true
      and complete copy of the  resolutions of its Managing  Person  authorizing
      this Amendment and

                                  - 11 -


<PAGE>


      Waiver, in form and substance  satisfactory to the  Administrative  Agent,
      (ii) certifying that its certificate of incorporation and by-laws have not
      been amended since January 28, 1998, or, if so, setting forth the same and
      (iii) setting forth the incumbency of its officer or officers who may sign
      this Amendment and Waiver,  including therein a signature specimen of such
      officer or officers.

            (c) The  Administrative  Agent shall have received a certificate  of
      the  Secretary or Assistant  Secretary of the Parent (i)  attaching a true
      and complete copy of the  resolutions of its Managing  Person  authorizing
      this  Amendment  and Waiver and  Amendment  No. 3 to the USA Mobile Credit
      Agreement and Amendment No. 5 to the USA Mobile Parent  Guaranty,  in form
      and substance  satisfactory to the  Administrative  Agent, (ii) certifying
      that its  certificate of  incorporation  and by-laws have not been amended
      since  January  28,  1998,  or,  if so,  setting  forth the same and (iii)
      setting forth the  incumbency of its officer or officers who may sign this
      Amendment  and  Waiver,  including  therein a  signature  specimen of such
      officer or officers.

            (d) The Administrative  Agent shall have received Amendment No. 3 to
      the USA Mobile  Credit  Agreement  and  Amendment  No. 5 to the USA Mobile
      Par-ent  Guaranty,  duly  executed by the parties  thereto and in form and
      substance  satisfactory to the Administrative  Agent and the conditions to
      the effectiveness thereof shall have been satisfied.

            (e) The Administrative  Agent shall have received an opinion of Hale
      and Dorr,  counsel to the Parent and the  Borrower,  substantially  in the
      form of Attachment A.

            (f) The Administrative  Agent shall have received for the account of
      each Lender  executing  this  Amendment  and Waiver  and,  if  applicable,
      Amendment No. 3 to the USA Mobile Credit  Agreement and Amendment No. 5 to
      the USA Mobile Parent Guaranty, an amendment fee equal to 0.30% of the sum
      of (i) the amount of such Lender's Revolving Credit Commitment (as reduced
      pursuant to this Amendment and Waiver) PLUS (ii) the outstanding principal
      balance of such Lender's Term Loans.

            (g) All fees  and  expenses  payable  on the  effectiveness  of this
      Amendment  and  Waiver,  including  the  reasonable  fees and  expenses of
      Special Counsel incurred to date, shall have been paid.

            (h)  The  Administrative   Agent  shall  have  received  such  other
      documents as it shall reasonably request.

     20. The  Borrower and the Parent each hereby (i)  reaffirms  and admits the
validity and enforceability of the Credit Agreement and the other Loan Documents
and all of its obligations  thereunder,  (ii) represents and warrants that there
exists no Default or Event of Default,  and (iii)  represents  and warrants that
the  representations and warranties  contained in the Loan Documents,  including
the Credit  Agreement as amended by this  Amendment  and Waiver  (other than the
representations  and warranties made as of a specific date) are true and correct
in all material respects on and as of the date hereof, except

                                  - 12 -


<PAGE>


to the extent that such  representations  and  warranties  are no longer true or
correct as a result of  events,  acts,  transactions  or  occurrences  after the
Restatement Effective Date which are permitted under the Credit Agreement.

     21.  This   Amendment   and  Waiver  may  be  executed  in  any  number  of
counterparts,  each  of  which  shall  be an  original  and all of  which  shall
constitute  one  agreement.  It shall not be  necessary  in making proof of this
Amendment and Waiver to produce or account for more than one counterpart  signed
by the party to be charged.

     22. This  Amendment and Waiver is being  delivered in and is intended to be
performed in the State of New York and shall be  construed  and  enforceable  in
accordance  with, and be governed by, the internal laws of the State of New York
without regard to principles of conflict of laws.

     23.  Except as  amended  hereby,  the Credit  Agreement  shall in all other
respects remain in full force and effect.

                                  - 13 -


<PAGE>


     IN WITNESS WHEREOF, the parties hereto have caused this Amendment No. 5 and
Waiver  No.  1 to be duly  executed  and  delivered  by  their  proper  and duly
authorized officers as of the day and year first above written.

                              ARCH COMMUNICATIONS ENTERPRISES, INC.


                              By:    /S/ GERALD J. CIMMINO
                              Name: GERALD J. CIMMINO
                              Title: VICE PRESIDENT AND TREASURER


                              ARCH COMMUNICATIONS GROUP, INC.


                             By:    /S/ GERALD J. CIMMINO
                             Name: GERALD J. CIMMINO
                             Title: VICE PRESIDENT AND TREASURER


<PAGE>


                     AMENDMENT NO. 5 AND WAIVER NO. 1 TO ACE
                   FIRST AMENDED AND RESTATED CREDIT AGREEMENT

                              THE  BANK OF NEW  YORK,  individually  and as
                              Administrative Agent


                              By:   /S/ GEOFFREY C. BROOKS
                              Name: GEOFFREY C. BROOKS
                              Title: VICE PRESIDENT


<PAGE>


                     AMENDMENT NO. 5 AND WAIVER NO. 1 TO ACE
                   FIRST AMENDED AND RESTATED CREDIT AGREEMENT

                                BANKBOSTON, N.A.

 
                               By:   /S/ SHEPARD D. RAINIE
                               Name: SHEPARD D. RAINIE
                               Title: DIRECTOR


<PAGE>


                     AMENDMENT NO. 5 AND WAIVER NO. 1 TO ACE
                   FIRST AMENDED AND RESTATED CREDIT AGREEMENT

                              FIRST UNION NATIONAL BANK,  individually  and
                              as Co-Agent


                              By:   /S/ JIM REDMAN
                              Name: JIM REDMAN
                              Title: SVP


<PAGE>


                     AMENDMENT NO. 5 AND WAIVER NO. 1 TO ACE
                   FIRST AMENDED AND RESTATED CREDIT AGREEMENT

                              FLEET  NATIONAL  BANK,  individually  and  as
                              Co-Agent


                              By:   /S/ CHRIS SWINDELL
                              Name: CHRIS SWINDELL
                              Title: VP


<PAGE>


                     AMENDMENT NO. 5 AND WAIVER NO. 1 TO ACE
                   FIRST AMENDED AND RESTATED CREDIT AGREEMENT

                              MELLON BANK, N.A., individually and as
                              Co-Agent


                              By:   /S/ GARY SAUL
                              Name: GARY SAUL
                              Title:VICE PRESIDENT


<PAGE>


                     AMENDMENT NO. 5 AND WAIVER NO. 1 TO ACE
                   FIRST AMENDED AND RESTATED CREDIT AGREEMENT

                              PNC     BANK,      NATIONAL      ASSOCIATION,
                              individually and as Co-Agent


                              By:   /S/ JEFFREY E. HAUSER
                              Name: JEFFREY E. HAUSER
                              Title: VICE PRESIDENT


<PAGE>


                     AMENDMENT NO. 5 AND WAIVER NO. 1 TO ACE
                   FIRST AMENDED AND RESTATED CREDIT AGREEMENT

                              ROYAL  BANK OF  CANADA,  individually  and as
                              Co- Agent


                              By:   /S/ THOMAS BYRNE
                              Name: THOMAS BYRNE
                              Title:


<PAGE>


                     AMENDMENT NO. 5 AND WAIVER NO. 1 TO ACE
                   FIRST AMENDED AND RESTATED CREDIT AGREEMENT

                              TORONTO DOMINION (NEW YORK), INC.,
                              individually and as Co-Agent


                              By:   /S/ DEBBIE GREENE
                              Name: DEBBIE GREENE
                              Title: VICE PRESIDENT


<PAGE>


                     AMENDMENT NO. 5 AND WAIVER NO. 1 TO ACE
                   FIRST AMENDED AND RESTATED CREDIT AGREEMENT

                              BANQUE NATIONALE DE PARIS


                              By:   /S/ SERGE DESRAYAJO
                              Name: SERGE DESRAYAJO
                              Title: VICE PRESIDENT/TEAM LEADER

 

                              By:   /S/ MARCUS C. JONES
                              Name: MARCUS C. JONES
                              Title: VICE PRESIDENT


<PAGE>


                     AMENDMENT NO. 5 AND WAIVER NO. 1 TO ACE
                   FIRST AMENDED AND RESTATED CREDIT AGREEMENT

                              CIBC, INC.


                              By:   /S/ HAROLD BIRK
                              Name: HAROLD BIRK
                              Title:EXECUTIVE DIRECTOR


<PAGE>


                     AMENDMENT NO. 5 AND WAIVER NO. 1 TO ACE
                   FIRST AMENDED AND RESTATED CREDIT AGREEMENT

                              COMPAGNIE FINANCIERE DE CIC
                              ET DE L'UNION EUROPEENNE


                              By:   /S/ MARCUS EDWARD
                              Name: MARCUS EDWARD
                              Title:VICE PRESIDENT


                              By:   /S/ BRIAN O'LEARY
                              Name: BRIAN O'LEARY
                              Title:VICE PRESIDENT


<PAGE>


                     AMENDMENT NO. 5 AND WAIVER NO. 1 TO ACE
                   FIRST AMENDED AND RESTATED CREDIT AGREEMENT

                              CORESTATES BANK, N.A.


                              By:   /S/ LYNDA S. YOUNG
                              Name: LYNDA S. YOUNG
                              Title:VICE PRESIDENT


<PAGE>


                     AMENDMENT NO. 5 AND WAIVER NO. 1 TO ACE
                   FIRST AMENDED AND RESTATED CREDIT AGREEMENT

                              DRESDNER  BANK AG, NEW YORK AND GRAND  CAYMAN
                              BRANCHES


                              By:   /S/ BRIAN HAUGHNEY   /S/ ROBERT GRELLA
                              Name: BRIAN HAUGHNEY        ROBERT GRELLA
                              Title:ASSISTANT TREASURER   VICE PRESIDENT


<PAGE>


                     AMENDMENT NO. 5 AND WAIVER NO. 1 TO ACE
                   FIRST AMENDED AND RESTATED CREDIT AGREEMENT

                              GENERAL ELECTRIC CAPITAL CORPORATION


                              By:   /S/ EDWARD SMITH CHRISTIE
                              Name: EDWARD SMITH CHRISTIE
                              Title:MANAGER - OPERATIONS


<PAGE>


                     AMENDMENT NO. 5 AND WAIVER NO. 1 TO ACE
                   FIRST AMENDED AND RESTATED CREDIT AGREEMENT

                                HOWARD BANK, N.A.
 

                                By:   /S/ CASSANDRA POLHEMUS
                                Name: CASSANDRA POLHEMUS
                                Title:VICE PRESIDENT


<PAGE>


                     AMENDMENT NO. 5 AND WAIVER NO. 1 TO ACE
                   FIRST AMENDED AND RESTATED CREDIT AGREEMENT

                               LTCB TRUST COMPANY


                               By:   /S/ SHUICHI TAJIMA
                               Name: SHUICHI TAJIMA
                               Title:SENIOR VICE PRESIDENT


<PAGE>


                     AMENDMENT NO. 5 AND WAIVER NO. 1 TO ACE
                   FIRST AMENDED AND RESTATED CREDIT AGREEMENT

                                PAMCO CAYMAN LTD.


                                By:   Protective  Asset  Management  Company,
                                as Collateral Manager

                                By:   /S/ JAMES DONDERO
                                Name: JAMES DONDERO
                                Title:PRESIDENT
<PAGE>


                     AMENDMENT NO. 5 AND WAIVER NO. 1 TO ACE
                   FIRST AMENDED AND RESTATED CREDIT AGREEMENT

                                SOCIETE GENERALE


                                By:   /S/ MARK VIGIL
                                Name: MARK VIGIL
                                Title:VICE PRESIDENT


<PAGE>


                     AMENDMENT NO. 5 AND WAIVER NO. 1 TO ACE
                   FIRST AMENDED AND RESTATED CREDIT AGREEMENT

                              SUNTRUST BANK, CENTRAL FLORIDA, N.A.
 

                              By:   /S/ MICHAEL R. BUTLER
                              Name: MICHAEL R. BUTLER
                              Title:SENIOR VICE PRESIDENT


<PAGE>


                     AMENDMENT NO. 5 AND WAIVER NO. 1 TO ACE
                   FIRST AMENDED AND RESTATED CREDIT AGREEMENT

                              U.S. BANK OF WASHINGTON, N.A.


                              By:   /S/ THOMAS G. GUNDER
                              Name: THOMAS G. GUNDER
                              Title:V.P.


<PAGE>


                     AMENDMENT NO. 5 AND WAIVER NO. 1 TO ACE
                   FIRST AMENDED AND RESTATED CREDIT AGREEMENT

                              USTRUST

 
                             By:   /S/ ANTHONY WILSON
                             Name: ANTHONY WILSON
                             Title:SVP


<PAGE>


                     AMENDMENT NO. 5 AND WAIVER NO. 1 TO ACE
                   FIRST AMENDED AND RESTATED CREDIT AGREEMENT

                              BEAR STEARNS INVESTMENT PRODUCTS INC.


                              By:   /S/ HARRY ROSENBERG
                              Name: HARRY ROSENBERG
                              Title: AUTHORIZED SIGNATORY


<PAGE>


                     AMENDMENT NO. 5 AND WAIVER NO. 1 TO ACE
                   FIRST AMENDED AND RESTATED CREDIT AGREEMENT

                              SENIOR DEBT PORTFOLIO

                              By:   Boston  Management  and  Research,   as
                                    Investment Advisor


                              By:   /S/ PAYSON F. SWAFFIELD
                              Name: PAYSON F. SWAFFIELD
                              Title:VICE PRESIDENT


<PAGE>


                     AMENDMENT NO. 5 AND WAIVER NO. 1 TO ACE
                   FIRST AMENDED AND RESTATED CREDIT AGREEMENT

                              INDOSUEZ CAPITAL FUNDING II, LIMITED

                              By:   Indosuez Capital  Luxembourg,  S.A., as
                                    Collateral Manager


                              By:   /S/ FRANCOISE BERTHILOT
                              Name: FRANCOISE BERTHILOT
                              Title: VICE PRESIDENT


<PAGE>


                     AMENDMENT NO. 5 AND WAIVER NO. 1 TO ACE
                   FIRST AMENDED AND RESTATED CREDIT AGREEMENT

                              MERRILL LYNCH PRIME RATE PORTFOLIO
                              By:   Merrill Lynch Asset  Management,  L.P.,
                                    as Investment Advisor


                              By:   /S/ LYNN C. BARANSKI
                              Name: LYNN C. BARANSKI
                              Title: AUTHORIZED SIGNATORY


<PAGE>


                     AMENDMENT NO. 5 AND WAIVER NO. 1 TO ACE
                   FIRST AMENDED AND RESTATED CREDIT AGREEMENT

                              MERRILL  LYNCH  SENIOR  FLOATING  RATE  FUND,
                              INC.


                              By:   /S/ LYNN C. BARANSKI
                              Name: LYNN C. BARANSKI
                              Title:AUTHORIZED SIGNATORY


<PAGE>


                     AMENDMENT NO. 5 AND WAIVER NO. 1 TO ACE
                   FIRST AMENDED AND RESTATED CREDIT AGREEMENT

                              VAN  KAMPEN   AMERICAN   CAPITAL  PRIME  RATE
                              INCOME TRUST


                              By:   /S/ JEFFREY W. MAILLET
                              Name: JEFFREY W. MAILLET
                              Title:SENIOR VICE PRESIDENT & DIRECTOR


<PAGE>


                     AMENDMENT NO. 5 AND WAIVER NO. 1 TO ACE
                   FIRST AMENDED AND RESTATED CREDIT AGREEMENT

                                NATIONSBANK, N.A.

  
                                By:   /S/ CYNDY BLACKBURN
                                Name: CYNDY BLACKBURN
                                Title: VP


<PAGE>


                     AMENDMENT NO. 5 AND WAIVER NO. 1 TO ACE
                   FIRST AMENDED AND RESTATED CREDIT AGREEMENT

CONSENTED TO:

ARCH MICHIGAN, INC.
ARCH CAPITOL DISTRICT, INC.
ARCH CONNECTICUT VALLEY, INC.
ARCH SOUTHEAST COMMUNICATIONS, INC.
ARCH COMMUNICATIONS SERVICES, INC.
BECKER BEEPER, INC.
THE BEEPER COMPANY OF AMERICA, INC.
THE WESTLINK COMPANY
LUND PRODUCTS SALES COMPANY

THE WESTLINK PAGING COMPANY OF NEW MEXICO, INC.
KELLEY'S RADIO TELEPHONE, INC.

ANSWER IOWA, INC.
WESTLINK LICENSEE CORPORATION

WESTLINK OF NEW MEXICO LICENSEE CORPORATION
ANSWER IOWA LICENSEE CORPORATION

KELLEY'S LICENSEE CORPORATION,

AS TO EACH OF THE FOREGOING:

By:   /S/ GERALD J. CIMMINO
Name: GERALD J. CIMMINO
Title:VP & TREASURER

CASCADE MOBILE COMMUNICATIONS LIMITED PARTNERSHIP

By: The Westlink Company, its General Partner

By:   /S/ GERALD J. CIMMINO
Name: GERALD J. CIMMINO
Title:VP & TREASURER


<PAGE>


                             AMENDMENT NO. 5 TO ARCH
                   FIRST AMENDED AND RESTATED CREDIT AGREEMENT

TELECOMM/KRT PARTNERSHIP

By: The Westlink Company, a General Partner

By:   /S/ GERALD J. CIMMINO
Name: GERALD J. CIMMINO
Title:VP & TREASURER

By: Kelley's Radio Telephone, Inc., a General Partner

By:   /S/ GERALD J. CIMMINO
Name: GERALD J. CIMMINO
Title:VP & TREASURER


<PAGE>


                                 ARCH EXHIBIT D

                         FORM OF COMPLIANCE CERTIFICATE

     I,  __________________,  do hereby  certify  that I am the Chief  Financial
Officer of Arch Communications  Enterprises,  Inc., a Delaware  corporation (the
"Borrower"), and that, as such, I am duly authorized to execute and deliver this
Compliance  Certificate  pursuant  to Section  7.1(c) of the First  Amended  and
Restated Credit Agreement,  dated as of May 21, 1996, by and among the Borrower,
Arch Communications  Group, Inc., the Lenders party thereto, the Co-Agents party
thereto,  and The Bank of New York,  as  Administrative  Agent,  as  amended  by
Amendment  No. 1, dated as of June 25, 1996,  Amendment No. 2, dated as of March
25, 1997,  Amendment No. 3, dated as of June 17, 1997, Amendment No. 4, dated as
of January 7, 1998,  and  Amendment No. 5 and Waiver No. 1, dated as of March 9,
1998 (as so amended and as the same may  hereafter be amended from time to time,
the  "Agreement").  Capitalized  terms  used  herein  which are  defined  in the
Agreement shall have the same meanings as therein defined.

      I hereby certify as follows:

     1.  I  have  conducted  a  review  of  the  activities  of  the  Restricted
Subsidiaries  for the  following  fiscal  period  (the  "Applicable  Computation
Period"):  (i) with respect to the  calculation  of the  Pro-forma  Debt Service
Coverage Ratio and the Leverage Ratio, the fiscal quarter ending  __________ __,
[199_]  [200_],  and (ii) with  respect to the  calculation  of the Fixed Charge
Coverage Ratio and the Interest  Coverage  Ratio,  the four  consecutive  fiscal
quarters ending on such date.

     2.  Each  Loan  Party  is in  compliance  with  all  terms,  covenants  and
conditions of the Loan Documents to which it is a party, there exists no Default
or Event of Default  and there has  occurred no Material  Adverse  Change  since
December 31, 1995, except for the Westlink Acquisition,  the Westlink Merger and
the issuance of the Discount Notes.

     3. The Fixed Charge  Coverage  Ratio is  ______:1.00,  computed as shown on
Schedule 1, which is not less than the  minimum  permissible  ratio  pursuant to
Section 7.12.

     4. The Pro-forma Debt Service  Coverage Ratio is  ______:1.00,  computed as
shown on  Schedule  2,  which is not less  than the  minimum  permissible  ratio
pursuant to Section 7.13.

     5.  The  Interest  Coverage  Ratio  is  ______:1.00,  computed  as shown on
Schedule 3, which is not less than the  minimum  permissible  ratio  pursuant to
Section 7.14.

      6. The  Leverage  Ratio is  ______:1.00,  computed as shown on Schedule 4,
     which is not greater than the maximum permissible ratio

pursuant to Section 7.15.

     7. The  Applicable  Margin for  Revolving  Credit  Loans and Tranche A Term
Loans is _.__%, computed as shown on Schedule 5.

     8. As of the last day of the fiscal quarter ending __________ __, 1998, (i)
the Aggregate Available  CapEx/Investment Amount is $_______, (ii) the Quarterly
Available


<PAGE>


CapEx/Investment   Amount,  is  $_______,  and  (iii)  the  Quarterly  Available
Unconsolidated  Investment Amount is $_______, in each case computed as shown on
Schedule 6.

     IN WITNESS  WHEREOF,  I have executed this  Compliance  Certificate on this
____ day of ___________, [199_] [200_].

                                          -------------------------
                                          Chief Financial Officer

                                   - 2 -


<PAGE>


Schedule 1 to
Compliance Certificate
dated __/__/__

                 COMPUTATION OF THE FIXED CHARGE COVERAGE RATIO

OPERATING CASH FLOW

1.    Net income (or loss) of the Restricted
      Subsidiaries on a Consolidated
      basis for the Applicable Computation
      Period, determined in accordance with
      GAAP without giving effect to
      extraordinary gains and losses
      from acquisitions, sales, exchanges
      and other dispositions of Property
      not in the ordinary course of
      business, and non-recurring items                     $__________

2.    Cash Interest Expense: sum of (i)
      interest expense on Total Debt (adjusted
      to give effect to all Interest Rate
      Protection Agreements and fees and
      expenses paid in connection with the
      same, all as determined in accordance with
      GAAP), to the extent paid or accrued in cash
      during the Applicable Computation Period,
      and (ii) without duplication, Restricted
      Payments made to the Parent to satisfy the
      interest payment obligations of the Parent
      under the Discount Note Indenture                     $__________

3.    Taxes and payments under the Tax Sharing 
      Agreement,  in each case paid or required  
      to be paid or accrued  by the  Restricted  
      Subsidiaries  in cash during the Applicable 
      Computation Period                                    $__________

4.    Depreciation and amortization
      charges for the Applicable
      Computation Period                                    $__________

5.    Other non-cash charges for the Applicable 
      Computation Period (Specify)                          $__________


<PAGE>


6.    Operating Cash Flow for the Applicable  
      Computation Period (sum of Items 1
      through 5, without duplication)                        $__________

FIXED CHARGES

7.    Scheduled payments of principal on Total 
      Debt of the Restricted Subsidiaries on a 
      Consolidated basis during the Applicable 
      Computation Period                                     $__________

8.    The amount, if positive, equal to
      (a) the amount of the Revolving Credit
      Loans outstanding at the beginning of
      the Applicable Computation Period MINUS
      (b) the Aggregate Revolving Credit
      Commitments at the end of the Applicable
      Computation Period (without giving effect
      to reductions during such period required
      by Section 2.6(c) of the Agreement)                   $__________

9.    Capital Expenditures made during
      the Applicable Computation Period                     $__________

10.   Unconsolidated Investments made during
      the Applicable Computation Period                     $__________

11.   Payments made or required to be made under 
      Capital Leases during the Applicable 
      Computation Period                                    $__________

12.   Taxes and payments under the Tax Sharing 
      Agreements, in each case paid or required 
      to be paid by the Borrower and its 
      Subsidiaries in cash during the Applicable
      Computation Period                                    $__________

13.   Cash Interest Expense
      (from Item 2 above)                                   $__________

14.   Fixed Charges for the Applicable
      Computation Period (sum of Items 7
      through 13, without duplication)                      $__________

15.   Fixed Charge Coverage Ratio
      (Item 6:Item 14)                                       _.__:1.00

                                   - 2 -


<PAGE>


16.   Minimum permissible ratio pursuant
      to Section 7.12 of the Agreement                      _.__:1.00



















































                                   - 3 -


<PAGE>


Schedule 2 to
Compliance Certificate
dated __/__/__

            COMPUTATION OF THE PRO-FORMA DEBT SERVICE COVERAGE RATIO

OPERATING CASH FLOW

1.    Net income (or loss) of the Restricted
      Subsidiaries on a Consolidated
      basis for the Applicable Computation
      Period, determined in accordance with
      GAAP without giving effect to
      extraordinary gains and losses
      from acquisitions, sales, exchanges
      and other dispositions of Property
      not in the ordinary course of
      business, and non-recurring items                     $__________

2.    Cash Interest Expense: sum of (i)
      interest expense on Total Debt (adjusted
      to give effect to all Interest Rate
      Protection Agreements and fees and
      expenses paid in connection with the
      same, all as determined in accordance with
      GAAP), to the extent paid or accrued in cash
      during the Applicable Computation Period, and
      (ii) without duplication, Restricted
      Payments made to the Parent to satisfy the
      interest payment obligations of the Parent
      under the Discount Note Indenture                     $__________

3.    Taxes and payments under the Tax Sharing 
      Agreement, in each case paid or required to be 
      paid by the Restricted Subsidiaries during the 
      Applicable Computation Period                         $__________

4.    Depreciation and amortization
      charges for the Applicable
      Computation Period                                    $__________

5.    Other non-cash charges for the Applicable 
      Computation Period (Specify)                          $__________


<PAGE>


6.    Operating Cash Flow for the Applicable  
      Computation Period (sum of Items 1
      through 5, without duplication)                       $__________

7.    Annualized Operating Cash Flow
      for the Applicable Computation
      Period (Item 6 multiplied by four)                    $__________

PRO-FORMA DEBT SERVICE

8.    Cash Interest Expense: sum of (i)
      interest expense on Total Debt (adjusted
      to give effect to all Interest Rate
      Protection Agreements and fees and
      expenses paid in connection with the
      same, all as determined in accordance with
      GAAP), for the period of the four fiscal
      quarters of the Borrower immediately succeeding
      the last day of the Applicable Computation
      Period and (ii) without duplication, Restricted
      Payments to be made to the Parent for the period
      of the four fiscal quarters of the Borrower
      immediately succeeding the last day of the
      Applicable Computation Period to satisfy the
      interest payment obligations of the Parent
      under the Discount Note Indenture.                    $__________

9.    All current maturities of
      Total Debt of the Restricted
      Subsidiaries (determined on a
      Consolidated basis in accordance
      with GAAP) for the period
      of the four fiscal quarters of the
      Borrower immediately succeeding the
      last day of the Applicable Computation
      Period                                                $__________

10.   for periods beginning after June 30, 1999, 
      the amount, if positive, equal to (a) the amount 
      of the Revolving Credit Loans outstanding at the
      beginning of

                                   - 2 -


<PAGE>


      the four fiscal quarters of the Borrower 
      immediately succeeding the last day of the 
      Applicable Computation Period MINUS (b) the 
      Aggregate Revolving Credit Commitments at the 
      end of the four fiscal quarters of the Borrower
      immediately succeeding the last day of the 
      Applicable Computation Period (after giving effect 
      to the mandatory reductions required by Section
      2.6(b) of the Agreement during such
      four fiscal quarter period)                           $__________

11.   Pro-forma Debt Service as of the last day of 
      the Applicable Computation
      Period (sum of Items 8 through 10)                    $__________

12.   Pro-forma Debt Service Coverage
      Ratio (Item 7:Item 11)                                 _.__:1.00

13.   Minimum permissible ratio pursuant
      to Section 7.13 of the Agreement                       _.__:1.00






























                                   - 3 -


<PAGE>


Schedule 3 to
Compliance Certificate
dated __/__/__

                   COMPUTATION OF THE INTEREST COVERAGE RATIO

OPERATING CASH FLOW

1.    Operating Cash Flow for the
      Applicable Computation Period
      (from Item 6, Schedule 1)                        $__________

2.    Cash Interest Expense for the
      Applicable Computation Period
      (from Item 2, Schedule 1)                        $__________

3.    Interest Coverage Ratio
      (Item 1:Item 2)                                   _.__:1.00

4.    Minimum permissible ratio pursuant
      to Section 7.14 of the Agreement                  _.__:1.00



<PAGE>


Schedule 4 to
Compliance Certificate
dated ___/___/___

                        COMPUTATION OF THE LEVERAGE RATIO

1.    The aggregate outstanding principal
      balance of the Loans                            $__________

2.    The total Indebtedness for borrowed 
      money (other than trade payables
      incurred in the ordinary course of business) 
      of the Restricted Subsidiaries (determined on 
      a Consolidated basis in accordance
      with GAAP)                                      $__________

3.    Total Debt (sum of Items 1
      and 2, without duplication)                     $__________

4.    Annualized Operating Cash
      Flow (from Item 7, Schedule 2)                  $__________

5.    Leverage Ratio (Item 3:Item 4)                  _.__:1.00

6.    Maximum permitted ratio pursuant 
      to Section 7.15 of
      the Agreement                                   _.__:1.00


<PAGE>


Schedule 5 to
Compliance Certificate
dated ___/___/___

                      COMPUTATION OF THE APPLICABLE MARGIN

               FOR REVOLVING CREDIT LOANS AND TRANCHE A TERM LOANS

1.    Leverage Ratio
      (from Item 5, Schedule 4)                       _.__:1.00

2.    Applicable Margin for ABR
      Advances                                        _.__%

3.    Applicable Margin for Eurodollar
      Advances                                        _.__%.


<PAGE>


Schedule 6 to
Compliance Certificate
dated __/__/__

           CALCULATION OF AGGREGATE AVAILABLE CAPEX/INVESTMENT AMOUNT,
                  QUARTERLY AVAILABLE CAPEX/INVESTMENT AMOUNT,

            AND QUARTERLY AVAILABLE UNCONSOLIDATED INVESTMENT AMOUNT

Aggregate Available CapEx/Investment Amount

1.    Aggregate amount of Tower Net Sales
      Proceeds received by the Restricted Subsidiaries
      in the fiscal year ended December 31, 1998            $__________

2.                                                          $13,000,000

3.    Excess Tower Proceeds Amount
      (Item 1 minus Item 2)                                 $__________

4.    Amount expended for Capital Expenditures 
      during the current fiscal year through the last 
      day of the most recently completed fiscal quarter     $__________

5.    Amount expended for Unconsolidated Investments 
      during the current fiscal year through the last day 
      of the most recently completed fiscal quarter         $__________

6.    Sum of Item 4 plus Item 5                             $__________

7.    Available Excess Tower Proceeds Amount
      (Item 3 minus Item 6)                                 $__________

8.    Sum of $50,000,000 plus Item 3                        $__________

9.    Aggregate Available CapEx/Investment Amount
      (Item 7 minus Item 6)                                 $__________

Quarterly Available CapEx/Investment Amount

10.   Amount applicable for the quarter 
      ($20,000,000 for first quarter and
      $10,000,000 for each other quarter)                   $__________

11.   Available Excess Tower Proceeds Amount
      (from Item 7 above)                                   $__________

12.   Sum of Item 10 plus Item 11                           $__________



<PAGE>


13.   Amount expended for Capital Expenditures 
      during the most recently completed fiscal
      quarter                                               $__________

14.   Amount expended for Unconsolidated Investments 
      during the most recently completed fiscal
      quarter                                               $__________

15.   Sum of Item 13 plus Item 14                           $__________

16.   Quarterly Available CapEx/Investment Amount
      (Item 12 minus Item 15)                               $__________

Quarterly Available Unconsolidated Investment Amount

17.   Amount applicable for the quarter 
      ($6,000,000 for first and second
      quarters and zero for each other quarter)             $__________

18.   Permitted Available Excess Tower Proceeds Amount 
      (enter zero for first and second  quarters and the 
      amount  thereof but not more than  $2,000,000 for
      the third and fourth quarters)                        $__________

19.   Sum of Item 17 plus Item 18                           $__________


20.   Quarterly Available Unconsolidated Investment
      Amount (Item 19 minus Item 15)      $__________


<PAGE>


                                                      Attachment A

            FORM OF OPINION OF COUNSEL TO THE PARENT AND THE BORROWER

                                          March __, 1998

The Bank of New York, as Administrative Agent, and the Lenders under the Amended
Agreement referred to below

     We have acted as special counsel to (i) Arch Communications  Group, Inc., a
Delaware corporation (the "Parent"),  and (ii) Arch Communications  Enterprises,
Inc., a Delaware  corporation (the "Borrower" and, together with the Parent, the
"Corporations"),  in  connection  with  Amendment  No. 5 and  Waiver  No. 1 (the
"Amendment  and  Waiver"),  dated as of March __, 1998, to the First Amended and
Restated Credit Agreement,  dated as of May 21, 1996, by and among the Borrower,
the Parent, the Lenders party thereto,  the Co-Agents party thereto and The Bank
of New York, as Administrative Agent, as amended by Amendment No. 1, dated as of
June 25, 1996,  Amendment  No. 2, dated as of March 25, 1997,  Amendment  No. 3,
dated as of June 17, 1997,  and Amendment No. 4, dated as of January 7, 1998 (as
so amended,  the  "Agreement").  The Agreement,  as amended by the Amendment and
Waiver, is referred to herein as the "Amended Agreement". Capitalized terms used
herein and not otherwise defined herein shall have the meanings ascribed to them
in the Amended Agreement.

      For purposes of the opinions expressed below, we have examined:

      (a)   the Agreement;

      (b)   the Amendment and Waiver;

      (c)   the  charter   documents  of  each  of  the   Corporations   as
            identified on Schedule I;

      (d)   the  By-laws of each of the  Corporations,  as in effect on the
            date hereof, provided to us by the Parent;

      (e)   the  corporate  minute  books of each of the  Corporations,  as
            provided to us by the Parent;

      (f)   certificates  of legal existence and corporate good standing for the
            Corporations as identified on Schedule II;


<PAGE>


      (g)   certified copies of resolutions of the board of directors of each of
            the  Corporations,  approving the  transactions  contemplated by the
            Amendment  and Waiver  and  authorizing,  among  other  things,  the
            execution,  delivery and performance by each of the  Corporations of
            the Amendment and Waiver;

      (h)   incumbency  and  signature  certificates  as to the officers of
            each of the Corporations;

      (i)   a certificate of Garry Watzke, Secretary of the Corporations, in the
            form attached hereto as Exhibit A; and

      (j)   such other documents,  instruments and certificates (including,  but
            not limited to, certificates of public officials and officers of the
            Corporations)  as we have considered  necessary for purposes of this
            opinion.

     In addition,  we assume,  for purposes of this opinion,  that the corporate
minute books (referred to in clause (e) above) contain an accurate record of all
meetings of the stockholders and directors of the Corporations. In examining the
documents  described  above,  we have assumed the  genuineness of all signatures
other than those of the Corporations, the legal capacity of natural persons, the
authenticity of all documents submitted to us as originals and the conformity to
the  originals of all documents  submitted to us as copies.  As to various facts
material  to the  opinions  set  forth  herein,  we  have  relied  upon  factual
representations  made by the Corporations in the Agreement and the Amendment and
Waiver, in the certificate referred to in clause (i) above and upon certificates
of public officials, which facts we have not independently verified.

     Any  reference  to  "our  knowledge",   "the  best  of  our  knowledge"  or
"knowledge" or any variation  thereof shall mean the conscious  awareness of the
attorneys  in  this  firm  who  have  rendered  substantive  attention  to  this
transaction of the existence or absence of any facts which would  contradict our
opinions set forth below. We have not undertaken any  independent  investigation
to determine the existence or absence of such facts,  and no inference as to our
knowledge  of the  existence  or absence of such facts  should be drawn from the
fact of our representation of the Corporations.

     For purposes of the  opinions  expressed  herein,  we have assumed that the
Administrative  Agent and the Lenders  have the power and  authority to execute,
deliver and perform all  agreements  and  documents  executed by them;  that the
Administrative  Agent  and the  Lenders  have  duly  and  validly  executed  and
delivered such agreements and documents;  and that such agreements and documents
are legally  valid and  binding on and  enforceable  against the  Administrative
Agent and the Lenders.

     We  express  no  opinion  herein  with  respect to the laws of any state or
jurisdiction   other  than  the  Commonwealth  of  Massachusetts,   the  General
Corporation  Law  statute of the State of Delaware  and the federal  laws of the
United  States  of  America.  With your  permission,  we have  assumed,  without
investigation, for purposes of the opinions expressed below that the laws of the
Commonwealth  of  Massachusetts  are  identical  to the laws of the State of New
York.

     The opinions expressed in paragraph 1 below,  insofar as they relate to the
valid  existence  and  corporate  good  standing  of the  Corporations  in their
respective states of

                                   - 2 -


<PAGE>


incorporation  are based solely upon the certificates  referred to in clause (f)
above and are rendered as of the dates of such certificates.

     Our  opinions  below are  qualified  to the  extent  that the  validity  or
enforceability  of the documents  referred to or of any of the rights granted to
any party  pursuant  thereto  may be subject to or  affected  by (i)  applicable
bankruptcy,  insolvency,  reorganization,  moratorium,  fraudulent conveyance or
similar laws  affecting  the rights of creditors  generally,  (ii)  statutory or
decisional  law  concerning  recourse by creditors to security in the absence of
notice or hearing,  and (iii)  duties and  standards  imposed on  creditors  and
parties to contracts, including, without limitation, requirements of good faith,
reasonableness  and fair dealing.  Furthermore,  we express no opinion as to the
availability  of any  equitable  or  specific  remedy  upon any  breach  of such
documents  or  any of the  agreements,  documents  or  obligations  referred  to
therein,  as the  availability of such remedies may be subject to the discretion
of a court.  We have  assumed for the  purposes of our opinion  that each of the
Lenders  and the  Administrative  Agent is subject  to  control,  regulation  or
examination by a state or federal regulatory agency.

     Based upon and subject to the foregoing  and to the general  qualifications
stated following paragraph 3 below, we hereby advise you that, in our opinion:

     1. Each of the Corporations is duly organized, validly existing and in good
standing  under the laws of the State of Delaware  and is in good  standing  and
authorized  to do  business in each  jurisdiction  in which the failure to be so
authorized could reasonably be expected to have a Material Adverse Effect.

     2. No consent,  authorization  or approval of,  filing with,  notice to, or
exemption by,  stockholders,  any Governmental  Body or any other Person (except
for those which have been obtained, made or given) (i) is required to authorize,
or is required in connection  with, the execution,  delivery and  performance of
the  Amendment  and Waiver or the  Amended  Agreement  or (ii) is  required as a
condition to the validity or  enforceability  of the Amendment and Waiver or the
Amended Agreement.

     3. The Amendment and Waiver and the Amended Agreement  constitute the valid
and legally binding obligations of each of the Corporations, in each case to the
extent that it is a party thereto  enforceable in accordance with its respective
terms.

     The opinions set forth above are subject to the following qualifications:

            (i) The  enforcement  against any of the  Corporations of any rights
      and  remedies  is or may be  subject  to the  effect  of  certain  general
      principles  of  contract  law that  include  (a) the  unenforceability  of
      provisions in an agreement to the effect that provisions  therein may only
      be  amended or waived in  writing  to the  extent  that an oral  agreement
      modifying  such  provisions has been entered into and (b) the general rule
      that,  where less than all of an agreement is enforceable,  the balance is
      enforceable only when the  unenforceable  portion is not an essential part
      of the agreed exchange.

            (ii) We express no opinion as to the  enforceability  of prospective
      waivers  of rights to notice or a  hearing,  or other  rights  granted  by
      constitution  or statute,  powers of attorney,  provisions  purporting  to
      relieve parties of the consequences of

                                   - 3 -


<PAGE>


      their own  negligence  or  misconduct,  provisions  granting  indemnity or
      provisions purporting to establish evidentiary standards.

            (iii)  All  opinions  expressed  above  are  subject  to  all of the
      qualifications  and  assumptions  contained in our opinion  letter and our
      supplemental   opinion  letter,  each  dated  May  21,  1996  (the  "PRIOR
      OPINIONS").

     This opinion is based upon currently existing statutes,  rules, regulations
and  judicial  decisions,  and we disclaim any  obligation  to advise you of any
change  in  any  of  these  sources  of  law  or  subsequent  legal  or  factual
developments which might affect any matters or opinions set forth herein.

     We hereby confirm that each Lender under the Amended  Agreement may rely on
the Prior Opinions as though such Prior Opinions were addressed to each of them.

1

     This opinion is furnished to you solely for your benefit in connection with
the  Amendment  and Waiver and may not be relied upon by any other Person (other
than  Special  Counsel)  or for any other  purpose  without our  express,  prior
written consent.

                                      Very truly yours,

                                      HALE AND DORR

                                   - 4 -


<PAGE>


                                    EXHIBIT A

                              OFFICER'S CERTIFICATE


<PAGE>


                                SCHEDULE I

                                CHARTER DOCUMENTS

I.   ARCH COMMUNICATIONS GROUP, INC.      -   Certificate of Incorporation,

                                              State of Delaware

II.  ARCH COMMUNICATIONS                  -   Certificate of Incorporation,
     ENTERPRISES, INC.                        State of Delaware


<PAGE>



                                   SCHEDULE II

               LEGAL EXISTENCE AND GOOD STANDING CERTIFICATES

I.    ARCH COMMUNICATIONS GROUP, INC.

      1.   Certificate of Good Standing  signed by the Secretary of State of the
           State of Delaware dated _____ __, ____.

      2.   Certificate of Good Standing  signed by the Secretary of State of the
           Commonwealth of Massachusetts dated _____ __, ____.

II.   ARCH COMMUNICATIONS ENTERPRISES, INC.

      1.   Certificate of Good Standing from the Secretary of State of the State
           of Delaware dated _____ __, ____, signed by the Secretary of State.

      2.   Certificate  of Good  Standing  from  the  Secretary  of State of the
           Commonwealth  of  Massachusetts  dated _____ __, ____,  signed by the
           Secretary of State.

      3.   Certificate of Good Standing from the Secretary of State of the State
           of Texas dated _____ __, _____, signed by the Secretary of State.

<PAGE>

                                                                   EXHIBIT 10.5

                       * CONFIDENTIAL TREATMENT REQUESTED
          CONFIDENTIAL PORTIONS HAVE BEEN OMITTED AND FILED SEPARATELY

                           AMENDMENT NO. 3 TO THE FIRST
                      AMENDED AND RESTATED CREDIT AGREEMENT
                                       AND
                      AMENDMENT NO. 5 TO THE ARCH GUARANTY

     AMENDMENT NO. 3 (the "CREDIT  AGREEMENT  AMENDMENT"),  dated as of March 9,
1998, to the First Amended and Restated Credit Agreement,  dated as of March 19,
1997, by and among USA Mobile Communications,  Inc. II (the "PARENT"),  Premiere
Page of Kansas, Inc. ("PREMIERE PAGE"), Q Media  Paging-Alabama,  Inc. ("Q MEDIA
ALABAMA"),   USA  Mobile   Communications,   Inc.  III  ("USA  III"),   Q  Media
Company-Paging,  Inc.  ("Q MEDIA  KANSAS"),  W.Q.  Communications,  Inc.  ("W.Q.
COMMUNICATIONS", and together with Premiere Page, Q Media Alabama, USA III and Q
Media Kansas,  the "BORROWERS",  each a "BORROWER"),  the Lenders party thereto,
and The Bank of New York, as Administrative Agent (the "ADMINISTRATIVE  AGENT"),
as amended by Amendment  No. 1, dated as of June 17, 1997,  and Amendment No. 2,
dated as of January 7, 1998 (as amended, the "CREDIT AGREEMENT"); and

     AMENDMENT  NO. 5 (the "ARCH  GUARANTY  AMENDMENT"  and,  together  with the
Credit Agreement Amendment, this "AMENDMENT"), dated as of March 9, 1998, to the
Arch Guaranty,  Security and Subordination  Agreement,  dated as of September 8,
1995, made by Arch  Communications  Group, Inc. ("ARCH"),  the Borrowers and the
Parent to the  Administrative  Agent, as amended by Amendment No. 1, dated as of
February 15, 1996,  Amendment No. 2, dated as of June 25, 1996, Amendment No. 3,
dated as of March 19, 1997, and Amendment No. 4, dated as of January 7, 1998 (as
so amended and as from time to time amended  supplemented or otherwise  modified
from time to time the "GUARANTY").

                                    RECITALS

     A.  Capitalized  terms used herein which are not herein  defined shall have
the respective meanings ascribed thereto in the Credit Agreement.

     B. The Parent and the  Borrowers  have  requested  that the  Administrative
Agent and the Lenders amend the Credit  Agreement and the Guaranty to the extent
and in the  manner  set forth  below and the  Administrative  Agent and  Lenders
executing  this  Amendment  are  willing  to do so  subject  to  the  terms  and
conditions of this Amendment.

     Accordingly,  in consideration of the covenants,  conditions and agreements
hereinafter  set  forth,  and for other  good and  valuable  consideration,  the
receipt and adequacy of which are hereby acknowledged,  the parties hereto agree
as follows:

     1.  The  following  definition  contained  in  Section  1.1 of  the  Credit
Agreement is amended and restated to read as follows:

               "ARCH  CREDIT  AGREEMENT":   the  First  Amended  and
          Restated  Credit  Agreement,  dated as of May 21, 1996, by
          and among Arch  Enterprises,  Arch, the Arch Lenders,  the
          Co-Agents party thereto, and the Arch Agent, as amended


<PAGE>




                       * CONFIDENTIAL TREATMENT REQUESTED
          CONFIDENTIAL PORTIONS HAVE BEEN OMITTED AND FILED SEPARATELY


          by Amendment No. 1, dated as of June 25, 1996, Amend- ment
          No. 2, dated as of March 25, 1997,  Amendment No. 3, dated
          as of June 17, 1997,  Amendment No. 4, dated as of January
          7, 1998, and Amendment No. 5 and Waiver No. 1, dated as of
          March 9,  1998,  and as the same may be  further  amended,
          modified or otherwise supplemented from time to time.

     2. Section 7.15 of the Credit  Agreement is amended in its entirety to read
as follows:

               7.15. LEVERAGE RATIO.

               Maintain,  or cause to be  maintained,  at all  times
          during the periods set forth  below,  a Leverage  Ratio of
          not greater than the ratios set forth below:

               PERIODS                             RATIO

               Restatement Effective
               Date through
               December 30, 1997                     *

               December 31, 1997 through
               December 30, 1998                     *

               December 31, 1998 through
               March 30, 1999                        *

               March 31, 1999 through
               December 30, 1999                     *

               December 31, 1999 and
               thereafter                            *.

               Notwithstanding the foregoing,  in the event that any
          Borrower makes a Restricted  Payment  permitted by Section
          8.5(a)(iv),  the maximum permitted Leverage Ratio shall be
          reduced for all periods after such payment to *.

     3.  Section  7.16(c) of the Credit  Agreement is amended in its entirety to
read as follows:
                          
               (c) For purposes hereof "Triggering Event" shall mean
          the  determination  of  Minority  Lenders  to  direct  the
          Administrative   Agent  to  declare  any  or  all  of  the
          Collateral  Documents  effective  and to require  that the
          Restricted  Sub-  sidiaries from time to time grant to the
          Administrative  Agent  under  the  applicable   Collateral
          Document a first priority security interest in one or more
          items of  Collateral.  Such  determination  may be made by
          Minority Lenders in
                                

                                - 2 -


<PAGE>


          their  sole  and  absolute  discretion  whether  or  not a
          Default  or  Event of  Default  has  occurred  and is then
          continuing.

     4.  All  references  in any Loan  Document to "Triggering  Event"  shall be
deemed to refer to such term as amended hereby.

     5.  Section 12 of the Arch  Guaranty is amended by deleting the phrase "the
Arch  Credit  Agreement  (without  giving  effect to any  amendment  (other than
Amendment No. 1,  Amendment No. 2,  Amendment No. 3 and Amendment No. 4), waiver
or termination thereof)" wherever it appears in such section and by substituting
the phrase "the Arch Credit  Agreement  (without  giving effect to any amendment
(other than  Amendment No. 1,  Amendment No. 2, Amendment No. 3, Amendment No. 4
and Amendment No. 5 and Waiver No. 1),  waiver or  termination  thereof)" in its
place.

     6.  Paragraphs 1-5 of this Amendment shall not be effective until the prior
or  simultaneous   fulfillment  of  the  following  conditions  (the  "AMENDMENT
EFFECTIVE DATE"):

          (a) The  Administrative  Agent  shall  have  received  this  Amendment
     executed by a duly  authorized  officer or officers of the  Borrowers,  the
     Parent,  the  Subsidiary  Guarantors,  the  Administrative  Agent  and  the
     Required Lenders.

          (b) The Administrative  Agent shall have received a certificate of the
     Secretary  or  Assistant  Secretary  of the  Parent and each  Borrower  (i)
     attaching  a true and  complete  copy of the  resolutions  of its  Managing
     Person  authorizing  this Amendment (in form and substance  satisfactory to
     the  Administrative   Agent),  (ii)  certifying  that  its  certificate  of
     incorporation  and by-laws have not been amended since March 19, 1997,  or,
     if so, setting forth the same and (iii) setting forth the incumbency of its
     officer  or  officers  who may sign  this  Amendment,  including  therein a
     signature specimen of such officer or officers.

     (c) The  Administrative  Agent  shall have  received a  certificate  of the
     Secretary or Assistant  Secretary of Arch (i) attaching a true and complete
     copy of the resolutions of its Managing Person  authorizing  this Amendment
     and Amendment No. 5 to the Arch First Amended and Restated Credit Agreement
     (in form and substance  satisfactory  to the  Administrative  Agent),  (ii)
     certifying that its certificate of incorporation  and by-laws have not been
     amended since March 19, 1997,  or, if so,  setting forth the same and (iii)
     setting  forth the  incumbency of its officer or officers who may sign this
     Amendment,  including  therein a  signature  specimen  of such  officer  or
     officers.

          (d) The  Administrative  Agent shall have received  Amendment No. 4 to
     the Arch First Amended and Restated Credit Agreement,  duly executed by the
     parties  necessary  thereto and in form and substance  satisfactory  to the
     Administrative Agent and the conditions to the effectiveness  thereof shall
     have been satisfied.

          (e) The  Administrative  Agent shall have  received for the account of
     each Lender  executing  this Amendment and Amendment No. 5 and Waiver No. 1
     to the Arch Credit Agreement, an amendment fee equal to 0.10% of the amount
     of such Lender's Commitment.

                                      - 3 -


<PAGE>



          (f) The  Administrative  Agent shall have  received an opinion of Hale
     and Dorr, counsel to the Parent, the Borrower, substantially in the form of
     Attachment A.

          (g) The  Administrative  Agent shall have received an opinion of Garry
     B. Watzke, Esq., General Counsel to Arch, and the Restricted  Subsidiaries,
     substantially in the form of Attachment B.

          (h) The reasonable  fees and expenses of Special  Counsel  incurred to
     the Amendment Effective Date shall have been paid.

          (i) The Administrative  Agent shall have received such other documents
     as it shall reasonably request.

     7. As of the date hereof and as of the Amendment  Effective Date, each Loan
Party hereby (a) reaffirms and admits the validity and enforceability of each of
the Loan Documents (as amended by this Amendment) to which it is a party and all
of its obligations thereunder,  (b) represents and warrants that there exists no
Default  or  Event  of  Default,  and  (c)  represents  and  warrants  that  the
representations  and  warranties  contained in the Loan Documents (as amended by
this  Amendment)  (other than the  representations  and warranties  made as of a
specific  date) are true and  correct in all  material  respects,  except to the
extent that such representations and warranties are no longer true or correct as
a result of events,  acts,  transactions  or occurrences  after the  Restatement
Effective Date which are permitted under the Credit Agreement.

     8. This  Amendment may be executed in any number of  counterparts,  each of
which shall be an original and all of which shall  constitute one amendment.  It
shall not be necessary  in making proof of this  Amendment to produce or account
for more than one counterpart signed by the party to be charged.

     9. This Amendment is being  delivered in and is intended to be performed in
the State of New York and shall be construed and enforceable in accordance with,
and be governed by, the internal laws of the State of New York without regard to
principles of conflict of laws.

     10. Except as amended  hereby,  the Credit  Agreement and the Arch Guaranty
shall in all other respects remain in full force and effect.

                                      - 4 -


<PAGE>


     IN WITNESS WHEREOF,  the parties hereto have caused this Amendment No. 3 to
the First Amended and Restated Credit  Agreement and Amendment No. 5 to the Arch
Guaranty, Security and Subordination Agreement to be duly executed and delivered
by their proper and duly authorized  officers as of the day and year first above
written.

                                     PREMIERE PAGE OF KANSAS, INC.,
                                     Q MEDIA PAGING-ALABAMA, INC.,
                                     USA MOBILE COMMUNICATIONS, INC. III,
                                     Q MEDIA COMPANY-PAGING, INC.,
                                      a Kansas corporation
                                     W.Q. COMMUNICATIONS, INC.

                                     AS TO EACH OF THE FOREGOING

                                     By:      /S/ GERALD J. CIMMINO
                                     Name: GERALD J. CIMMINO
                                     Title: VICE PRESIDENT AND TREASURER

                                     USA MOBILE COMMUNICATIONS, INC. II

                                     By:      /S/ GERALD J. CIMMINO
                                     Name: GERALD J. CIMMINO
                                     Title: VICE PRESIDENT AND TREASURER

                                     ARCH COMMUNICATIONS GROUP, INC.

                                     By:      /S/ GERALD J. CIMMINO
                                     Name: GERALD J. CIMMINO
                                     Title: VICE PRESIDENT AND TREASURER


<PAGE>


                        AMENDMENT NO. 3 TO THE USA MOBILE
                   FIRST AMENDED AND RESTATED CREDIT AGREEMENT
                                       AND
                      AMENDMENT NO. 5 TO THE ARCH GUARANTY

                                     THE BANK OF NEW YORK, individually and as 
                                     Administrative Agent

                                     By:      /S/ GEOFFREY C. BROOKS
                                     Name: GEOFFREY C. BROOK
                                     Title:   VICE PRESIDENT


<PAGE>


                        AMENDMENT NO. 3 TO THE USA MOBILE
                   FIRST AMENDED AND RESTATED CREDIT AGREEMENT
                                       AND
                      AMENDMENT NO. 5 TO THE ARCH GUARANTY

                                     FLEET NATIONAL BANK

                                     By:      /S/ CHRIS SWINDELL
                                     Name: CHRIS SWINDELL
                                     Title:   VICE PRESIDENT


<PAGE>


                        AMENDMENT NO. 3 TO THE USA MOBILE
                   FIRST AMENDED AND RESTATED CREDIT AGREEMENT
                                       AND
                      AMENDMENT NO. 5 TO THE ARCH GUARANTY

                                     PNC BANK, NATIONAL ASSOCIATION

                                     By:      /S/ JEFFREY E. HAUSER
                                     Name: JEFFREY E. HAUSER
                                     Title:   VICE PRESIDENT


<PAGE>


                        AMENDMENT NO. 3 TO THE USA MOBILE
                   FIRST AMENDED AND RESTATED CREDIT AGREEMENT
                                       AND
                      AMENDMENT NO. 5 TO THE ARCH GUARANTY

                                     TORONTO DOMINION (TEXAS), INC.

                                     By:      /S/ DEBBIE A. GREENE
                                     Name: DEBBIE A. GREENE
                                     Title:   VICE PRESIDENT


<PAGE>


                        AMENDMENT NO. 3 TO THE USA MOBILE
                   FIRST AMENDED AND RESTATED CREDIT AGREEMENT
                                       AND
                      AMENDMENT NO. 5 TO THE ARCH GUARANTY

                                     BANKBOSTON, N.A.

                                     By:      /S/ SHEPARD D. RAINIE
                                     Name: SHEPARD D. RAINIE
                                     Title:   DIRECTOR


<PAGE>


                        AMENDMENT NO. 3 TO THE USA MOBILE
                   FIRST AMENDED AND RESTATED CREDIT AGREEMENT
                                       AND
                      AMENDMENT NO. 5 TO THE ARCH GUARANTY

                                     ROYAL BANK OF CANADA

                                     By:      /S/ THOMAS BYRNE
                                     Name: THOMAS BYRNE
                                     Title:


<PAGE>


                        AMENDMENT NO. 3 TO THE USA MOBILE
                   FIRST AMENDED AND RESTATED CREDIT AGREEMENT
                                       AND
                      AMENDMENT NO. 5 TO THE ARCH GUARANTY

                                     SUNTRUST BANK, CENTRAL FLORIDA, N.A.

                                     By:      /S/ MICHAEL R. BUTLER
                                     Name: MICHAEL R. BUTLER
                                     Title:   SENIOR VICE PRESIDENT


<PAGE>


                        AMENDMENT NO. 3 TO THE USA MOBILE
                   FIRST AMENDED AND RESTATED CREDIT AGREEMENT
                                       AND
                      AMENDMENT NO. 5 TO THE ARCH GUARANTY

                                     VAN KAMPEN AMERICAN CAPITAL PRIME 
                                     RATE INCOME TRUST

                                     By:      /S/ JEFFREY W. MAILLET
                                     Name: JEFFREY W. MAILLET
                                     Title:   SENIOR VICE PRESIDENT & DIRECTOR


<PAGE>


                        AMENDMENT NO. 3 TO THE USA MOBILE
                   FIRST AMENDED AND RESTATED CREDIT AGREEMENT
                                       AND
                      AMENDMENT NO. 5 TO THE ARCH GUARANTY

         By signing below, each of the Subsidiary Guarantors agrees and consents
to the foregoing Amendment

PCI HOLDING COMPANY, INC.
PROFESSIONAL COMMUNICATIONS, INC.
PROFESSIONAL ELECTRONICS, INC.
Q MEDIA COMPANY-PAGING, INC.,
  a Delaware corporation

AS TO EACH OF THE FOREGOING:

By:      /S/ GERALD J. CIMMINO
Name:    GERALD J. CIMMINO
Title:   VICE PRESIDENT AND TREASURER


<PAGE>


                                                           Attachment A

        FORM OF OPINION OF COUNSEL TO ARCH, THE PARENT AND THE BORROWERS

                                           March __, 1998

The Bank of New York,
as Administrative Agent, and the
Lenders under the Amended
Agreement referred to below

     We have acted as special counsel to (i) USA Mobile Communications, Inc. II,
a Delaware  corporation  (the "PARENT"),  (ii) Premiere Page of Kansas,  Inc., a
Kansas corporation  ("PREMIERE  PAGE"),  (iii) Q Media  Paging-Alabama,  Inc., a
Delaware corporation ("Q MEDIA ALABAMA"),  (iv) USA Mobile Communications,  Inc.
III, a Delaware  corporation  ("USA III"), (v) Q Media  Company-Paging,  Inc., a
Kansas corporation ("Q MEDIA KANSAS"), (vi) W.Q. Communications,  Inc., a Kansas
corporation  ("W.Q.  COMMUNICATIONS",  and together with Premiere  Page, Q Media
Alabama,  USA III and Q Media Kansas,  the  "BORROWERS",  each a "BORROWER") and
(vii) Arch  Communications  Group,  Inc.,  a Delaware  corporation  ("ARCH" and,
together with the Borrowers and the Parent, the  "CORPORATIONS"),  in connection
with Amendment No. 3 (the "CREDIT  AGREEMENT  AMENDMENT"),  dated as of March 9,
1998, to the First Amended and Restated Credit Agreement,  dated as of March 19,
1997, by and among the Parent, the Borrowers, the Lenders party thereto, and The
Bank of New York,  as  Administrative  Agent (the  "ADMINISTRATIVE  AGENT"),  as
amended by Amendment  No. 1, dated as of June 17,  1997,  and  Amendment  No. 2,
dated as of  January  7,  1998 (as so  amended,  the  "CREDIT  AGREEMENT"),  and
Amendment No. 5 (the "ARCH  GUARANTY  AMENDMENT"  and,  together with the Credit
Agreement Amendment,  the "AMENDMENT"),  dated as of March __, 1998, to the Arch
Guaranty,  Security and Subordination Agreement,  dated as of September 8, 1995,
made by Arch,  the  Borrowers  and the Parent to the  Administrative  Agent,  as
amended by  Amendment  No. 1, dated as of February 15,  1996,  Amendment  No. 2,
dated as of June 25,  1996,  Amendment  No. 3, dated as of March 19,  1997,  and
Amendment  No. 4, dated as of January 7, 1998 (as so amended,  the  "GUARANTY").
The Credit Agreement and the Guaranty, as amended by the Amendment, are referred
to  collectively  herein as the  "AMENDED  AGREEMENTS".  Capitalized  terms used
herein and not otherwise defined herein shall have the meanings ascribed to them
in the Amended Agreements.

     For purposes of the opinions expressed below, we have examined:

     (a)  the Credit Agreement and the Guaranty;

     (b)  the Amendment;

     (c)  the charter  documents of each of the  Corporations  as  identified on
          Schedule I;

     (d)  the  By-laws  of each of the  Corporations,  as in  effect on the date
          hereof, provided to us by the Parent;


<PAGE>


     (e)  the corporate minute books of each of the Corporations, as provided to
          us by the Parent;

     (f)  certificates  of legal  existence and corporate  good standing for the
          Corporations as identified on Schedule II;

     (g)  certified  copies of  resolutions of the board of directors of each of
          the  Corporations,  approving  the  transactions  contemplated  by the
          Amendment and authorizing, among other things, the execution, delivery
          and performance by each of the Corporations of the Amendment;

     (h)  incumbency  and signature  certificates  as to the officers of each of
          the Corporations;

     (i)  a certificate of Garry Watzke,  Secretary of the Corporations,  in the
          form attached hereto as Exhibit A; and

     (j)  such other documents, instruments and certificates (including, but not
          limited  to,  certificates  of public  officials  and  officers of the
          Corporations)  as we have  considered  necessary  for purposes of this
          opinion.

     In addition,  we assume,  for purposes of this opinion,  that the corporate
minute books (referred to in clause (e) above) contain an accurate record of all
meetings of the stockholders and directors of the Corporations. In examining the
documents  described  above,  we have assumed the  genuineness of all signatures
other than those of the Corporations, the legal capacity of natural persons, the
authenticity of all documents submitted to us as originals and the conformity to
the  originals of all documents  submitted to us as copies.  As to various facts
material  to the  opinions  set  forth  herein,  we  have  relied  upon  factual
representations  made by the  Corporations  in the  Amended  Agreements  and the
Amendment,  in  the  certificate  referred  to in  clause  (i)  above  and  upon
certificates  of  public  officials,  which  facts  we  have  not  independently
verified.

     Any  reference  to  "our  knowledge",   "the  best  of  our  knowledge"  or
"knowledge" or any variation  thereof shall mean the conscious  awareness of the
attorneys  in  this  firm  who  have  rendered  substantive  attention  to  this
transaction of the existence or absence of any facts which would  contradict our
opinions set forth below. We have not undertaken any  independent  investigation
to determine the existence or absence of such facts,  and no inference as to our
knowledge  of the  existence  or absence of such facts  should be drawn from the
fact of our representation of the Corporations.

     For purposes of the  opinions  expressed  herein,  we have assumed that the
Administrative  Agent and the Lenders  have the power and  authority to execute,
deliver and perform all  agreements  and  documents  executed by them;  that the
Administrative  Agent  and the  Lenders  have  duly  and  validly  executed  and
delivered such agreements and documents;  and that such agreements and documents
are legally  valid and  binding on and  enforceable  against the  Administrative
Agent and the Lenders.

     We  express  no  opinion  herein  with  respect to the laws of any state or
jurisdiction   other  than  the  Commonwealth  of  Massachusetts,   the  General
Corporation  Law  statute of the State of Delaware  and the federal  laws of the
United States of America. With your permission, we have

                                      - 2 -
<PAGE>

assumed,  without  investigation,  for purposes of the opinions  expressed below
that the laws of the Commonwealth of Massachusetts  are identical to the laws of
the State of New York.

     The opinions expressed in paragraph 1 below,  insofar as they relate to the
valid  existence  and  corporate  good  standing  of the  Corporations  in their
respective  states of  incorporation  are  based  solely  upon the  certificates
referred  to in  clause  (f)  above  and are  rendered  as of the  dates of such
certificates.

     Our  opinions  below are  qualified  to the  extent  that the  validity  or
enforceability  of the documents  referred to or of any of the rights granted to
any party  pursuant  thereto  may be subject to or  affected  by (i)  applicable
bankruptcy,  insolvency,  reorganization,  moratorium,  fraudulent conveyance or
similar laws  affecting  the rights of creditors  generally,  (ii)  statutory or
decisional  law  concerning  recourse by creditors to security in the absence of
notice or hearing,  and (iii)  duties and  standards  imposed on  creditors  and
parties to contracts, including, without limitation, requirements of good faith,
reasonableness  and fair dealing.  Furthermore,  we express no opinion as to the
availability  of any  equitable  or  specific  remedy  upon any  breach  of such
documents  or  any of the  agreements,  documents  or  obligations  referred  to
therein,  as the  availability of such remedies may be subject to the discretion
of a court.  We have  assumed for the  purposes of our opinion  that each of the
Lenders  and the  Administrative  Agent is subject  to  control,  regulation  or
examination by a state or federal regulatory agency.

     Based upon and subject to the foregoing  and to the general  qualifications
stated following paragraph 3 below, we hereby advise you that, in our opinion:

     1. Each of Arch, the Parent, Q Media Alabama, USA III, and Q Media Delaware
is duly organized,  validly  existing and in good standing under the laws of the
State of Delaware and is in good standing and  authorized to do business in each
jurisdiction  in which the  failure  to be so  authorized  could  reasonably  be
expected to have a Material Adverse Effect.

     2. Each of Premiere  Page, Q Media Kansas and W.Q.  Communications  is duly
organized,  validly existing and in good standing under the laws of the State of
Kansas  and  is  in  good  standing  and  authorized  to  do  business  in  each
jurisdiction  in which the  failure  to be so  authorized  could  reasonably  be
expected to have a Material Adverse Effect.

     3. No consent,  authorization  or approval of,  filing with,  notice to, or
exemption by,  stockholders,  any Governmental  Body or any other Person (except
for those which have been obtained, made or given) (i) is required to authorize,
or is required in connection  with, the execution,  delivery and  performance of
the  Amendment or the Amended  Agreements  or (ii) is required as a condition to
the validity or enforceability of the Amendment or the Amended Agreements.

     4. The  Amendment  and the  Amended  Agreements  constitute  the  valid and
legally  binding  obligations of each of the  Corporations,  in each case to the
extent that it is a party thereto, enforceable in accordance with its respective
terms.

     The opinions set forth above are subject to the following qualifications:

          (i) The enforcement  against any of the Corporations of any rights and
     remedies is or may be subject to the effect of certain  general  principles
     of contract law that include (a) the  unenforceability  of provisions in an
     agreement  to the effect  that  provisions  therein  may only be amended or
     waived in writing to the extent that an oral agreement modifying

                                      - 3 -
<PAGE>

     such provisions has been entered into and (b) the general rule that,  where
     less than all of an agreement is  enforceable,  the balance is  enforceable
     only when the unenforceable  portion is not an essential part of the agreed
     exchange.

          (ii) We express no opinion  as to the  enforceability  of  prospective
     waivers  of rights  to notice or a  hearing,  or other  rights  granted  by
     constitution  or statute,  powers of  attorney,  provisions  purporting  to
     relieve parties of the  consequences of their own negligence or misconduct,
     provisions  granting  indemnity  or  provisions   purporting  to  establish
     evidentiary standards.

          (iii)  All  opinions  expressed  above  are  subject  to  all  of  the
     qualifications  and  assumptions  contained  in our opinion  letter and our
     supplemental  opinion  letter,  each  dated  March  19,  1997  (the  "PRIOR
     OPINIONS").

     This opinion is based upon currently existing statutes,  rules, regulations
and  judicial  decisions,  and we disclaim any  obligation  to advise you of any
change  in  any  of  these  sources  of  law  or  subsequent  legal  or  factual
developments which might affect any matters or opinions set forth herein.

     We hereby confirm that each Lender under the Amended Agreements may rely on
the Prior Opinions as though such Prior Opinions were addressed to each of them.

     This opinion is furnished to you solely for your benefit in connection with
the Amendment and may not be relied upon by any other Person (other than Special
Counsel) or for any other purpose without our express, prior written consent.

                                        
                                        Very truly yours,

                                        HALE AND DORR



                                      - 4 -


<PAGE>


                                    EXHIBIT A

                              OFFICER'S CERTIFICATE


<PAGE>



                                   SCHEDULE I

                                CHARTER DOCUMENTS

I.    Arch Communications Group, Inc.        Certificate of Incorporation,
                                             State of Delaware

II.   USA Mobile Communications,
      Inc. II                                Certificate of Incorporation,
                                             State of Delaware

III.  Premiere Page of Kansas, Inc.          Certificate of Incorporation,
                                             State of Kansas

IV.   Q Media Paging - Alabama, Inc.         Certificate of Incorporation,
                                             State of Delaware

V.    USA Mobile Communications,
      Inc. II                                Certificate of Incorporation,
                                             State of Delaware

VI.   Q Media Company - Paging,
      Inc. (Kansas)                          Certificate of Incorporation,
                                             State of Kansas

VII.  W.Q. Communications,
      Inc.                                   Certificate of Incorporation,
                                             State of Kansas


<PAGE>



                                   SCHEDULE II

                 LEGAL EXISTENCE AND GOOD STANDING CERTIFICATES

I.   ARCH COMMUNICATIONS GROUP, INC.

     1.   Certificate  of Good Standing  signed by the Secretary of State of the
          State of Delaware dated ----- --, ----.

     2.   Certificate  of Good Standing  signed by the Secretary of State of the
          Commonwealth of Massachusetts dated _____ __, ____.

II.  USA Mobile Communications, Inc. II

     1.   Certificate  of Good Standing  signed by the Secretary of State of the
          Commonwealth of Pennsylvania dated March __, 1997.

     2.   Certificate of Existence/Authority signed by the Secretary of State of
          the State of Mississippi dated March __, 1997.

     3.   Certificate of Existence - Foreign Corporation signed by the Secretary
          of State of the State of Georgia dated March __, 1997.

     4.   Certificate of Corporate Good Standing - Foreign Corporation signed by
          the Secretary of State of the State of Missouri dated March __,1997.

     5.   Certificate  of Good Standing  signed by the Secretary of State of the
          State of Delaware dated March __, 1997.

     6.   Certificate  of Good Standing  signed by the Secretary of State of the
          State of Ohio dated March __, 1997.

     7.   Certificate of  Authorization  signed by the Secretary of State of the
          State of Indiana dated March __, 1997.

     8.   Certificate  of  Authorization  -  Foreign  Corporation  signed by the
          Secretary of State of the State of Kentucky dated March __, 1997.

     9.   Certificate of  Authorization  signed by the Secretary of State of the
          State of Tennessee dated March __, 1997.

III. USA Mobile Communications, Inc. III

     1.   Certificate  of Good Standing  signed by the Secretary of State of the
          State of Delaware dated March __, 1997.


<PAGE>


IV.  Premiere Page of Kansas, Inc.

     1.   Certificate of Authority - Foreign Corporation signed by the Secretary
          of State of the State of Nebraska for the entity "Premiere Page, Inc."
          dated March __, 1997.

     2.   Certificate  of Good Standing  signed by the Secretary of State of the
          State of Kansas dated March __, 1997.

     3.   Certificate of Existence signed by the Secretary of State of the State
          of Georgia dated March __, 1997.

     4.   Certificate  of Good  Standing  -  Foreign  Corporation  signed by the
          Secretary of State of the State of Missouri dated March __, 1997.

V.   Q Media Paging - Company, Inc., a Kansas corporation

     1.   Certificate  of Good Standing  signed by the Secretary of State of the
          State of Kansas dated March __, 1997.

     2.   Certificate  of Good  Standing  -  Foreign  Corporation  signed by the
          Secretary of State of the State of Illinois dated March __, 1997.

     3.   Certificate of  Authorization  signed by the Secretary of State of the
          State of Indiana dated March __, 1997.

     4.   Certificate of  Authorization  signed by the Secretary of State of the
          State of Iowa dated March __, 1997.

     5.   Certificate  of  Authorization  -  Foreign  Corporation  signed by the
          Secretary of State of the State of Kentucky dated March __, 1997.

     6.   Certificate of Corporate Good Standing - Foreign Corporation signed by
          the Secretary of State of the State of Missouri dated March __, 1997.

     7.   Certificate  of Good Standing  signed by the Secretary of State of the
          State of Delaware dated March __, 1997.

VI.  Q Media Paging - Alabama, Inc.

     1.   Certificate  of Good  Standing  -  Foreign  Corporation  signed by the
          Secretary of State of the State of Alabama dated March __, 1997.

     2.   Certificate  of Good Standing  signed by the Secretary of State of the
          State of Tennessee dated March __, 1997.

     3.   Certificate of Existence - Foreign Corporation signed by the Secretary
          of State of the State of Georgia dated March __, 1997.


<PAGE>


     4.   Certificate  of Good Standing  signed by the Secretary of State of the
          State of Delaware dated March __, 1997.

VII. W.Q. Communications, Inc.

     1.   Certificate  of Good Standing  signed by the Secretary of State of the
          State of Kansas dated March __, 1997.

     2.   Certificate of Corporate Good Standing - Foreign Corporation signed by
          the Secretary of State of the State of Missouri dated March __,1997.

     3.   Certificate of Existence - Foreign Corporation signed by the Secretary
          of State of the State of Georgia dated March __, 1997.


<PAGE>


                                                      Attachment B

                   FORM OF OPINION OF GENERAL COUNSEL OF ARCH
                         AND THE RESTRICTED SUBSIDIARIES

                                        March __, 1998

The Bank of New York,
as Administrative Agent, and the
Lenders under the Amended
Agreement referred to below

     I have acted as special counsel to (i) USA Mobile Communications,  Inc. II,
a Delaware  corporation  (the "PARENT"),  (ii) Premiere Page of Kansas,  Inc., a
Kansas corporation  ("PREMIERE  PAGE"),  (iii) Q Media  Paging-Alabama,  Inc., a
Delaware corporation ("Q MEDIA ALABAMA"),  (iv) USA Mobile Communications,  Inc.
III, a Delaware  corporation  ("USA III"), (v) Q Media  Company-Paging,  Inc., a
Kansas corporation ("Q MEDIA KANSAS"), (vi) W.Q. Communications,  Inc., a Kansas
corporation  ("W.Q.  COMMUNICATIONS",  and together with Premiere  Page, Q Media
Alabama,  USA III and Q Media Kansas,  the  "BORROWERS",  each a "BORROWER") and
(vii) Arch  Communications  Group,  Inc.,  a Delaware  corporation  ("ARCH" and,
together with the Borrowers and the Parent, the  "CORPORATIONS"),  in connection
with Amendment No. 3 (the "CREDIT  AGREEMENT  AMENDMENT"),  dated as of March 9,
1998, to the First Amended and Restated Credit Agreement,  dated as of March 19,
1997, by and among the Parent, the Borrowers, the Lenders party thereto, and The
Bank of New York,  as  Administrative  Agent (the  "ADMINISTRATIVE  AGENT"),  as
amended by Amendment  No. 1, dated as of June 17,  1997,  and  Amendment  No. 2,
dated as of  January  7,  1998 (as so  amended,  the  "CREDIT  AGREEMENT"),  and
Amendment No. 5 (the "ARCH  GUARANTY  AMENDMENT"  and,  together with the Credit
Agreement Amendment,  the "AMENDMENT"),  dated as of March __, 1998, to the Arch
Guaranty,  Security and Subordination Agreement,  dated as of September 8, 1995,
made by Arch,  the  Borrowers  and the Parent to the  Administrative  Agent,  as
amended by  Amendment  No. 1, dated as of February 15,  1996,  Amendment  No. 2,
dated as of June 25,  1996,  Amendment  No. 3, dated as of March 19,  1997,  and
Amendment  No. 4, dated as of January 7, 1998 (as so amended,  the  "GUARANTY").
The Credit Agreement and the Guaranty, as amended by the Amendment, are referred
to  collectively  herein as the  "AMENDED  AGREEMENTS".  Capitalized  terms used
herein and not otherwise defined herein shall have the meanings ascribed to them
in the Amended Agreements.

     In  connection  with this  opinion,  I have  examined and am familiar  with
originals or copies,  certified or otherwise  identified to my  satisfaction  as
being true copies, of all such records of the Corporations, such certificates of
the officers of the Corporations, all such agreements and other documents of the
Corporations,   including,   without   limitation,   (i)  the   Certificate   of
Incorporation  and By-laws of each of the  Corporations,  (ii)  certificates  of
public  officials,  and (iii) the Amendment,  and have made such other inquiries
and  investigations  of law, as I have deemed  necessary or appropriate  for the
purposes of rendering this opinion.


<PAGE>


     In rendering this opinion, I have assumed the genuineness of all signatures
(other  than  those of the  Corporations),  the  authenticity  of all  documents
submitted to me as originals, the conformity to original documents of all copies
submitted to me as certified  or  photostatic  copies and the accuracy of public
records.

     I am a member of the Bar of the  Commonwealth  of  Massachusetts.  I do not
purport to be an expert in, or to express  any opinion  concerning,  any matters
governed by the laws of any jurisdiction other than the laws of the Commonwealth
of Massachusetts and the corporate laws of the States of New York, Pennsylvania,
Kansas and  Delaware  and the federal  laws of the United  States of America.  I
express no opinion with  respect to the  regulation  of any of the  Corporations
under  the  Communications  Act  and  the  rules  and  regulations   promulgated
thereunder.

     On  the  basis  of  the   foregoing,   and  subject  to  the   limitations,
qualifications and exceptions set forth herein, I am of the opinion that each of
the Corporations  has full corporate power and authority to enter into,  execute
and deliver the  Amendment and to carry out the terms of the  Amendment,  all of
which have been duly authorized by all proper and necessary corporate action and
are in full compliance with its charter documents and by-laws.

     This  opinion is solely for your  benefit and that of your  successors  and
assigns  and may not be  relied  on by any  other  Person,  other  than  Special
Counsel,  without my prior written consent, and I assume no obligation to advise
of any  change in  matters of fact or of law which  might  change  the  opinions
expressed herein.

                                          Very truly yours,

                                          Garry B. Watzke, Esq.



                                      - 2 -

<PAGE>

                                                         EXHIBIT 10.12

                         ARCH COMMUNICATIONS GROUP, INC.
                           DEFERRED COMPENSATION PLAN
                            FOR NONEMPLOYEE DIRECTORS

                                    ARTICLE I
                             PURPOSE; EFFECTIVE DATE

     1.1 PURPOSE.  The purpose of the Arch  Communications  Group,Inc.  Deferred
Compensation  Plan for Nonemployee  Directors is to provide current tax planning
opportunities as well as supplemental funds for retirement or death.

     1.2 EFFECTIVE DATE. The Plan is effective as of December 29, 1997 (the
"Effective Date").

                                   ARTICLE II
                                   DEFINITIONS

            For the purposes of this Plan,  the  following  terms shall have the
meanings set forth below, unless the context clearly indicates otherwise:

     2.1 ACCOUNT.  "Account"  means the mechanism used by the Company to measure
and determine the amounts to be paid to a Participant under the Plan.

     2.2  BENEFICIARY.   "Beneficiary"  means  the  person,  persons  or  entity
designated by the Participant  under Article V to receive Plan benefits payable,
if any, after a Participant's death.

     2.3 BOARD. "Board" means the Board of Directors of the Company.

     2.4  COMMITTEE.  "Committee"  means the  Executive  Compensation  and Stock
Option Committee of the Board or any future committees  performing the functions
of such committee.

     2.5 COMPANY. "Company" means Arch Communications Group, Inc., a
Delaware corporation.

     2.6 COMPENSATION. "Compensation" means the annual and meeting fees
payable by the Company to a Nonemployee Director.

     2.7 DEFERRAL COMMITMENT. "Deferral Commitment" means a commitment
made by a Participant to defer Compensation pursuant to Article III.

     2.8 DEFERRAL PERIOD. "Deferral Period" means each calendar year.


<PAGE>



     2.9 DETERMINATION DATE. "Determination Date" means the last day of each
calendar quarter occurring after the Effective Date.

     2.10 NONEMPLOYEE DIRECTOR. "Nonemployee Director" means a Director of the
Company who is not employed by the Company or a subsidiary of the Company.

     2.11  PARTICIPANT.  "Participant"  means any  Nonemployee  Director who has
elected deferral of Compensation under this Plan.

     2.12 PARTICIPATION AGREEMENT. "Participation Agreement" means the agreement
submitted by a Participant to the Plan Administrator prior to the beginning of a
Deferral  Period with respect to a Deferral  Commitment or a designation of form
of benefits, or both, made for such Deferral Period.

     2.13 PAYMENT COMMENCEMENT DATE. "Payment Commencement Date" has
the meaning specified in Section 3.6.

     2.14 PLAN.  "Plan" means this Deferred  Compensation  Plan for  Nonemployee
Directors, as amended from time to time.

     2.15 PLAN ADMINISTRATOR. "Plan Administrator" means the employee
designated by the Committee to administer the Plan.

     2.16 STOCK. "Stock" means the common stock of the Company, $.01 par
value, of the Company.

                                   ARTICLE III
                       PARTICIPATION; DEFERRAL COMMITMENTS

     3.1 ELIGIBILITY AND PARTICIPATION.

          (a) PARTICIPATION.  Nonemployee  Directors may elect to participate in
the Plan with  respect to any  Deferral  Period by  submitting  a  Participation
Agreement to the Plan  Administrator  by the last day of the preceding  Deferral
Period.

          (b)  MID-YEAR  ELECTION.  An  individual  who  becomes  a  Nonemployee
Director during the first, second or third calendar quarter of a Deferral Period
may elect to  participate in the Plan effective on the first day of the calendar
quarter  next  following  the date on which  such new  eligibility  occurred  by
submitting a  Participation  Agreement for the balance of the Deferral Period no
later than the last day of the calendar  quarter  during  which the  Participant
first became eligible.

                                       -2-


<PAGE>



     3.2 DEFERRAL  COMMITMENT.  A Deferral  Commitment shall be the Compensation
deferred  by  the  Participant  pursuant  to  the  Participation  Agreement  but
otherwise payable by the Company to the Participant during the Deferral Period.

     3.3 PERIOD OF COMMITMENT.  Except as provided in Sections 3.4 and 3.5, once
a Participant has made a Deferral  Commitment,  that Deferral  Commitment  shall
remain in effect for that Deferral Period;  provided,  however,  that a Deferral
Commitment  for a  Deferral  Period  may be  amended  at any  time  prior to the
beginning of such Deferral Period. Such Deferral Commitment shall also remain in
effect for subsequent  Deferral Periods unless revoked or amended by delivery of
a new Participation  Agreement to the Plan  Administrator  before the end of the
Deferral Period preceding the new Deferral Period.

     3.4  COMMITMENT  LIMITED BY  TERMINATION.  If a Participant  ceases to be a
Nonemployee  Director  prior to the end of the  Deferral  Period,  the  Deferral
Period for that Participant shall end.

     3.5 NO  MODIFICATION  OF DEFERRAL  COMMITMENT.  Deferral  Commitments for a
Deferral  Period shall become  irrevocable at the end of the preceding  Deferral
Period.

     3.6 LENGTH OF DEFERRAL.  Each Deferral Commitment shall specify the date on
which   payment  of  the   Participant's   Account  shall  begin  (the  "Payment
Commencement  Date").  The Payment  Commencement Date may be a specific calendar
date or a date on which a certain event occurs, such as the date the Participant
ceases to be a Nonemployee Director.

     3.7 STOCK OR CASH  ELECTION.  Each  Deferral  Commitment  shall specify the
percentage  of the  Compensation  deferred  which  is to be  added  to the  Cash
Subaccount (as described in Section 4.1,  below) and the percentage  which is to
be added to the Stock  Subaccount  (as described in Section 4.1,  below).  If no
such  specification is made, the deferred  Compensation shall be credited to the
Cash Subaccount.

                                   ARTICLE IV
                          DEFERRED COMPENSATION ACCOUNT

     4.1  ACCOUNT.  The  amounts  deferred by a  Participant  under the Plan and
earnings  thereon shall be credited to the  Participant's  Account.  The Account
shall be a bookkeeping  device  utilized for the sole purpose of determining the
benefits  payable  under the Plan and shall not  constitute  a separate  fund of
assets.  The Account shall have the following  subaccounts:  The Cash Subaccount
shall consist of the Participant's  cash deferrals and shall be accounted for in
monetary units and the Stock Subaccount which shall consist of the Participant's
stock deferrals and shall be accounted for in stock units. If different Deferral
Commitments specify different

                                       -3-


<PAGE>


Payment  Commencement Dates or forms of benefit, a separate  subaccount shall be
established  for  each  combination  of  Payment  Commencement  Date and form of
benefit.

     4.2 TIMING OF CREDITS;  WITHHOLDING.  A Participant's deferred Compensation
shall be  deferred  prorata  from  each  payment  of  Compensation  and shall be
credited to his or her Account as of the date on which such  Compensation  would
have been paid.  Credits to the Cash Subaccount  shall be the amount deferred in
cash.  Credits to the Stock  Subaccount shall be made in stock units. The number
of stock  units to be credited  shall be  determined  by dividing  the amount of
Compensation  to be deferred into the Stock  Subaccount by the fair market value
of the  Stock of the  Company  as  determined  by the  Board as of the date such
Compensation  would otherwise have been paid. Each stock unit shall have a value
equal to the fair market value of one share of Stock.  Any  withholding of taxes
or other  amounts  with  respect to  deferred  Compensation  that is required by
local,   state,  or  federal  law  shall  be  withheld  from  the  Participant's
corresponding   non-deferred   Compensation  or  other  funds  provided  by  the
Participant  to the maximum  extent  possible,  and any  remaining  amount shall
reduce the amount credited to the Participant's Account.

     4.3  DETERMINATION  OF  ACCOUNTS.  Each  Participant's  Account  as of each
Determination  Date  shall  consist  of the  balance  of the  Account  as of the
immediately preceding Determination Date, adjusted as follows:

     (a)  New  Deferrals.  The  Account  shall  be  increased  by  any  deferred
Compensation credited since the immediately preceding Determination Date.

     (b) DISTRIBUTIONS. The Account shall be reduced by any benefits distributed
to  the  Participant  since  the  immediately   preceding   Determination  Date.
Distributions shall be made from the Cash Subaccount and the Stock Subaccount on
a prorata  basis  except  to the  extent  that the  Participant  has  designated
otherwise.

     (c) EARNINGS.  The Cash Subaccount shall be increased by crediting interest
at a rate equal to the Prime Rate for the period  since the prior  Determination
Date.  Interest  shall be  compounded  daily  based on a 360 day  year.  For the
purposes  of this Plan the "Prime  Rate" to be applied on a  Determination  Date
shall  be the  prime  rate  as in  effect  on the  prior  Determination  Date as
published in the Wall Street Journal. The Stock Subaccount shall not be credited
with any interest or other earnings.

     (d) ADJUSTMENT TO STOCK SUBACCOUNT.  In the event of any stock split, stock
dividend, recapitalization,  reorganization, merger, consolidation, combination,
exchange  of  shares,   liquidation,   spin-off  or  other  similar   change  in
capitalization  or event,  or any  distribution to holders of Stock other than a
normal cash dividend, the number of stock units credited to the Stock Subaccount
of a Participant shall be

                                       -4-


<PAGE>


appropriately  adjusted by the Company to the extent the Board shall  determine,
in good faith, that such an adjustment is necessary and appropriate.

     4.4 VESTING OF  ACCOUNTS.  Except as provided in Section 5.5,  below,  each
Participant  shall be 100% vested in the amounts credited to such  Participant's
Account and earnings thereon.

     4.5 STATEMENT OF ACCOUNTS.  The Company shall give to each Participant,  on
an annual or more  frequent  basis,  a  statement  showing  the  balance  in the
Participant's Account.

                                    ARTICLE V
                               PAYMENT OF BENEFITS

     5.1 PAYMENT OF BENEFITS.  Upon the Payment Commencement Date for an Account
(or subaccount) the Company shall pay the balance in the Account (or subaccount)
to the  Participant in the form elected by the  Participant  pursuant to Section
5.3. The Company shall pay to the  Participant  benefits equal to the balance in
the  Participant's  Account.  All  payments  shall  be  in  the  form  of  cash.
Distributions  from the Stock  Subaccount  shall be made by converting the stock
units  being  distributed  to cash,  valuing  each stock unit at the fair market
value of a share of the Stock on the date of distribution.

     5.2 DEATH BENEFIT.  Upon the death of a Participant,  the Company shall pay
to the  Participant's  Beneficiary an amount equal to the balance at the time of
death in the  Participant's  Account  in the  form  elected  by the  Participant
pursuant to Section 5.3.

     5.3 FORM OF BENEFITS. Plan benefits shall be paid in the form of a lump sum
or  installments  over a  period  of 10 or  fewer  years,  as  specified  by the
Participant in the Participation  Agreement.  If no form of payment  designation
has been made in the Participation Agreement, benefits shall be paid in the form
of a lump sum. The form of payment  designation shall be made by the Participant
at the time of completing the Participation Agreement. A Participant may amend a
form of payment  designation at any time,  but such  amendment  shall not become
effective  until the Deferral  Period which begins after the date of  amendment.
The form of  payment  designation  shall also  remain in effect  for  subsequent
Deferral Periods until changed.

     Upon the death of a  Participant,  benefits  shall be paid  pursuant to the
form of  benefit  selected  by the  Participant  as soon  as  practicable  after
delivery of a death  certificate to the Plan  Administrator.  If the Participant
dies  after  a  Payment   Commencement  Date,   benefits  with  respect  to  the
Participant's remaining Account

                                       -5-


<PAGE>


balance, if any, shall continue to be paid in the same manner as in effect prior
to death.

     5.4  INSTALLMENTS.  If benefits are paid in the form of  installments,  the
amount of the  installments  shall be  redetermined  as of  January of each year
based upon the remaining Account balance,  the remaining number of installments,
and earnings on the remaining Account balance.

     5.5 ACCELERATED  DISTRIBUTION.  Notwithstanding  any other provision of the
Plan, a Participant  shall be entitled to receive,  upon written  request to the
Plan  Administrator,  a lump sum distribution equal to any part or all of his or
her Account balance as of the Determination Date immediately  preceding the date
on which the Plan  Administrator  receives his written  request (the  "Requested
Amount").  The  balance in such  Participant's  Account  shall be reduced by the
Requested  Amount at the date of such  distribution and shall be further reduced
by an amount equal to the Prime Rate  multiplied  by the Requested  Amount.  The
amount  payable  under  this  section  shall be paid  within  thirty  (30)  days
following  receipt of the  written  request by the Plan  Administrator  from the
Participant.  A Participant  who receives an accelerated  distribution  shall be
ineligible to make further  deferrals  until the Deferral Period which begins at
least 12 months after such accelerated distribution is paid to the Participant.

     5.6  PAYMENT  TO  GUARDIAN.  If a  distribution  is payable to a minor or a
person declared incompetent or to a person incapable of handling the disposition
of  property,   the  Committee  may  direct  payment  to  the  guardian,   legal
representative  or person  having the care and custody of such minor,  person or
incompetent.

                                   ARTICLE VI
                                  BENEFICIARIES

     6.1 BENEFICIARY DESIGNATION.  Each Participant shall have the right, at any
time, to designate one or more persons or an entity as Beneficiary (both primary
as well as secondary or  contingent)  to whom benefits  under this Plan shall be
paid in the event of Participant's  death prior to complete  distribution of the
Participant's  Account. Each Beneficiary  designation shall be in a written form
prescribed by the Plan Administrator, will be effective only when filed with the
Plan  Administrator  during the  Participant's  lifetime  and shall apply to the
entire balance in the  Participant's  account.  The filing of a new  designation
shall cancel all designations previously filed. A Participant may make or change
a  beneficiary  designation  at any time  without  obtaining  the consent of any
person.

     6.2 NO BENEFICIARY DESIGNATION. If any Participant fails to designate a
Beneficiary in the manner provided above, or if the Beneficiary designated by a

                                       -6-


<PAGE>


deceased Participant dies before the Participant or before complete distribution
of the Participant's benefits, the Participant's Beneficiary shall be the person
or persons in the first of the following classes in which there is a survivor:

          (a) The Participant's surviving spouse;

          (b) The Participant's  children in equal shares, except that if any of
     the children  predeceases  the Participant but leaves issue then surviving,
     such issue shall take by right of representation the share the parent would
     have taken if living; and

          (c) The Participant's estate.

                                   ARTICLE VII
                                 ADMINISTRATION

     7.1 PLAN ADMINISTRATOR;  COMMITTEE; DUTIES. This Plan shall be administered
by the Plan  Administrator  appointed by the Committee.  The Plan  Administrator
shall have the complete  discretion and authority to make, amend,  interpret and
enforce all appropriate rules and regulations for the administration of the Plan
and decide or resolve any and all questions,  including  interpretations  of the
Plan, as may arise in such  administration.  The Plan Administrator shall report
to the  Committee  regarding  Plan  activity at such times as  requested  by the
Committee. The Plan Administrator may be a Participant under this Plan.

     7.2 AGENTS.  The Plan  Administrator  and Committee may, from time to time,
employ agents and delegate to them such  administrative  duties as they see fit,
and may  from  time to time  consult  with  counsel  who may be  counsel  to the
Company.

     7.3  BINDING  EFFECT  OF  DECISIONS.  The  decision  or  action of the Plan
Administrator  in respect to any question  arising out of or in connection  with
the administration, interpretation and application of the Plan and the rules and
regulations promulgated hereunder may be reviewed or altered by the Committee. A
majority vote of the Committee  members  shall control any final  decision.  The
decisions of the Committee  shall be final and  conclusive  and binding upon all
persons having any interest in the Plan.

     7.4 INDEMNITY OF PLAN ADMINISTRATOR; COMMITTEE. The Company shall indemnify
and hold harmless the Plan  Administrator  and members of the Committee  against
any and all claims,  loss, damage,  expense or liability arising from any action
or  failure  to act  with  respect  to this  Plan,  except  in the case of gross
negligence or willful misconduct.

                                       -7-


<PAGE>



                                  ARTICLE VIII
                        AMENDMENT AND TERMINATION OF PLAN

     8.1  AMENDMENT.  The  Board  may at any  time  amend  the  Plan by  written
instrument,  notice of which is given to all  Participants  and to Beneficiaries
receiving installment  payments,  subject to the following;  provided,  however,
that no  amendment  shall  reduce the amount  accrued in any Account to the date
such notice of the amendment is given.

     8.2 COMPANY'S  RIGHT TO TERMINATE.  The Board may at any time  partially or
completely terminate the Plan if, in its judgment,  the tax, accounting or other
effects of the continuance of the Plan, or potential payments thereunder,  would
not be in the best interests of the Company.

          (a) PARTIAL TERMINATION. The Board may partially terminate the Plan by
     instructing the Plan  Administrator  not to accept any additional  Deferral
     Commitments  beyond the  current  Deferral  Period.  In the event of such a
     partial  termination,  the Plan shall  continue to operate and be effective
     with regard to Deferral  Commitments  entered  into prior to the  effective
     date of such partial termination.

          (b) COMPLETE TERMINATION.  The Board may completely terminate the Plan
     by instructing the Plan Administrator not to accept any additional Deferral
     Commitments,  and by terminating all current ongoing Deferral  Commitments.
     In the event of complete  termination,  the Plan shall cease to operate and
     the  Company  shall pay out each  Account in a lump sum within  thirty (30)
     days of the date of termination of the Plan.

                                   ARTICLE IX
                                  MISCELLANEOUS

     9.1 UNSECURED  GENERAL  CREDITOR.  The Company's  obligation under the Plan
shall  be an  unfunded  and  unsecured  promise  to pay  money  in  the  future.
Participants and their Beneficiaries shall have no secured or preferential right
to any assets of the Company or any other  party for  payment of benefits  under
this Plan  greater  than the  rights of an  unsecured  general  creditor  of the
Company.  Any and all of the Company's assets which the Company may set aside or
earmark for the payment of benefits hereunder shall be, and remain, the general,
unpledged,  unrestricted assets of the Company and no Participant or Beneficiary
shall have any interest in any such assets.

     9.2 NONASSIGNABILITY. Neither a Participant nor any other person shall have
any right to sell, assign,  transfer,  pledge,  mortgage or otherwise  encumber,
transfer,  hypothecate  or convey in advance of actual  receipt the amounts,  if
any, payable

                                       -8-


<PAGE>


hereunder,  or any part  thereof,  which  are,  and all  rights  to  which  are,
expressly  declared  to be  unassignable  and  non-transferable.  No part of the
amounts  payable  shall,  prior to actual  payment,  be  subject  to  seizure or
sequestration  for the  payment of any  debts,  judgments,  alimony or  separate
maintenance  owed by a Participant or any other person,  nor be  transferable by
operation  of  law  in the  event  of a  Participant's  or  any  other  person's
bankruptcy or insolvency.

     9.3 PROTECTIVE PROVISIONS. A Participant will cooperate with the Company by
furnishing  any and  all  information  requested  by the  Company  in  order  to
facilitate the payment of benefits hereunder and taking such other action as may
be requested by the Company.

     9.4  GOVERNING  LAW. The  provisions  of this Plan shall be  construed  and
interpreted  according to the laws of the Commonwealth of Massachusetts,  except
as preempted by federal law.

     9.5  VALIDITY.  In case any provision of this Plan shall be held illegal or
invalid for any  reason,  said  illegality  or  invalidity  shall not affect the
remaining parts hereof, but this Plan shall be construed and enforced as if such
illegal and invalid provision had never been inserted herein.

     9.6  NOTICE.  Any  notice  required  or  permitted  under the Plan shall be
sufficient  if in writing and hand  delivered or sent by registered or certified
mail.  Such notice  shall be deemed as given as of the date of  delivery  or, if
delivery  is made by mail,  as of the date shown on the  postmark on the receipt
for  registration  or  certification.  Mailed notice to the  Committee  shall be
directed to the Company's address. Mailed notice to a Participant or Beneficiary
shall be directed to the Participant or Beneficiary's  last known address in the
Company's records, as applicable.

     9.7  SUCCESSORS.  The  provisions  of this Plan shall bind and inure to the
benefit of the Company and its  successors and assigns.  The term  successors as
used herein shall  include any corporate or other  business  entity which shall,
whether  by  merger,  consolidation,   purchase  or  otherwise  acquire  all  or
substantially  all of the business and assets of the Company,  and successors of
any such corporation or other business entity.

     Adopted on December 29, 1997.

                                 -9-

<PAGE>

                                                                   Exhibit 10.13

                         ARCH COMMUNICATIONS GROUP, INC.

                          EXECUTIVE RETENTION AGREEMENT

     THIS RETENTION AGREEMENT by and between Arch Communications  Group, Inc., a
Delaware corporation (the "Company"), and _________________ (the "Executive") is
made as of February 27, 1998 (the "Effective Date").

     WHEREAS,   the  Company   recognizes   that,  as  is  the  case  with  many
publicly-held  corporations,  the  possibility  of a change  in  control  of the
Company  exists and that such  possibility,  and the  uncertainty  and questions
which  it may  raise  among  key  personnel,  may  result  in the  departure  or
distraction   of  key  personnel  to  the  detriment  of  the  Company  and  its
stockholders, and

     WHEREAS, the Board of Directors of the Company (the "Board") has determined
that appropriate  steps should be taken to reinforce and encourage the continued
employment  and  dedication of the Company's key personnel  without  distraction
from the  possibility  of a change in control of the Company and related  events
and circumstances.

     NOW, THEREFORE,  as an inducement for and in consideration of the Executive
remaining in its employ, the Company agrees that the Executive shall receive the
severance  benefits  set forth in this  Agreement  in the event the  Executive's
employment  with the Company is  terminated  under the  circumstances  described
below subsequent to a Change in Control (as defined in Section 1.1).

     1.   KEY DEFINITIONS.

     As used herein,  the following  terms shall have the  following  respective
     meanings:

          1.1  "CHANGE IN CONTROL" means:

               (a) the acquisition by an individual, entity or group (within the
meaning of Section 13(d)(3) or 14(d)(2) of the Securities  Exchange Act of 1934,
as amended (the  "Exchange  Act")) (a "Person") of  beneficial  ownership of any
capital  stock  of  the  Company  if,  after  such   acquisition,   such  Person
beneficially  owns  (within  the  meaning  of Rule 13d-3  promulgated  under the
Exchange Act) more than 50% of either (i) the then-outstanding  shares of common
stock of the  Company  (the  "Outstanding  Company  Common  Stock")  or (ii) the
combined voting power of the then-outstanding securities of the Company entitled
to vote generally in the election of directors (the "Outstanding  Company Voting
Securities");  provided,  however, that for purposes of this subsection (a), the
following  acquisitions  shall  not  constitute  a Change  in  Control:  (i) any
acquisition  directly from the Company (excluding an acquisition pursuant to the
exercise,  conversion or exchange of any security  exercisable for,  convertible
into or  exchangeable  for common  stock or voting  securities  of the  Company,
unless the Person  exercising,  converting or exchanging such security  acquired
such  security  directly  from the  Company  or an  underwriter  or agent of the
Company),  (ii) any  acquisition  by the Company,  (iii) any  acquisition by any
employee  benefit plan (or related trust) sponsored or maintained by the Company
or any  corporation  controlled by the Company,  or (iv) any  acquisition by any

<PAGE>

corporation  pursuant to a transaction which complies with clauses (i), (ii) and
(iii) of subsection (c) of this Section 1.1; or

               (b)  individuals  who,  as of the  date  hereof,  constitute  the
members  of the Board  (the  "Incumbent  Directors")  ceasing  for any reason to
constitute  at  least a  majority  of the  Board;  provided,  however,  that any
individual  becoming a director  of the  Company  subsequent  to the date hereof
whose election,  or nomination for election,  by the Company's  stockholders was
approved by a vote of at least a majority  of the  Incumbent  Directors  then in
office  shall be deemed to be an  Incumbent  Director  (except that this proviso
shall not apply to any individual whose initial election as a director occurs as
a result  of an  actual or  threatened  election  contest  with  respect  to the
election or removal of directors or other actual or threatened  solicitation  of
proxies or consents by or on behalf of a Person other than the Board); or

               (c) the consummation of a reorganization, merger or consolidation
involving the Company or a sale or other disposition of all or substantially all
of the assets of the Company (a  "Business  Combination"),  unless,  immediately
following such Business  Combination,  each of the following three conditions is
satisfied: (i) all or substantially all of the individuals and entities who were
the beneficial  owners of the  Outstanding  Company Common Stock and Outstanding
Company  Voting  Securities  immediately  prior  to  such  Business  Combination
beneficially own, directly or indirectly,  more than 50%of the  then-outstanding
shares of common  stock and the combined  voting  power of the  then-outstanding
securities   entitled  to  vote   generally  in  the   election  of   directors,
respectively,  of the  resulting  or  acquiring  corporation  in  such  Business
Combination (which shall include,  without limitation,  a corporation which as a
result  of  such  transaction  owns  the  Company  or  substantially  all of the
Company's  assets  either  directly or through one or more  subsidiaries)  (such
resulting  or  acquiring  corporation  is referred  to herein as the  "Acquiring
Corporation")  in  substantially   the  same  proportions  as  their  ownership,
immediately  prior to such  Business  Combination,  of the  Outstanding  Company
Common Stock and Outstanding  Company Voting Securities,  respectively,  (ii) no
Person  (excluding the Acquiring  Corporation  or any employee  benefit plan (or
related  trust)  maintained  or  sponsored  by the  Company or by the  Acquiring
Corporation) beneficially owns, directly or indirectly,  50% or more of the then
outstanding  shares  of common  stock of the  Acquiring  Corporation,  or of the
combined  voting  power  of  the  then-outstanding  voting  securities  of  such
corporation  (except  to the extent  that such  ownership  existed  prior to the
Business  Combination)  and  (iii) a  majority  of the  members  of the board of
directors of the Acquiring  Corporation were Incumbent  Directors at the time of
the execution of the initial agreement, or of the action of the Board, providing
for such Business Combination; or

               (d)  approval  by the  stockholders  of the Company of a complete
liquidation or dissolution of the Company.

          1.2 "Change in Control  Date" means the first date during the Term (as
defined  in Section 2) on which a Change in  Control  occurs.  Anything  in this
Agreement to the contrary  notwithstanding,  if (a) a Change in Control  occurs,
(b) the Executive's  employment with the Company is terminated prior to the date
on which the Change in Control occurs, and (c) it is reasonably  demonstrated by
the Executive  that such  termination  of employment (i) was at the request of a
third  party who has taken  steps  reasonably  calculated  to effect a Change in
Control or (ii)  otherwise  arose in  connection  with or in  anticipation  of a


                                     - 2 -
<PAGE>

Change in  Control,  then for all  purposes  of this  Agreement  the  "Change in
Control  Date"  shall  mean  the  date  immediately  prior  to the  date of such
termination of employment.

          1.3 "Cause" means:

               (a)  the   Executive's   willful   and   continued   failure   to
substantially perform his or her reasonable assigned duties as an officer of the
Company (other than any such failure  resulting from  incapacity due to physical
or mental illness or any failure after the Executive gives notice of termination
for Good  Reason),  which  failure  is not cured  within 30 days after a written
demand for  substantial  performance is received by the Executive from the Board
which  specifically  identifies  the  manner  in which the  Board  believes  the
Executive has not substantially performed the Executive's duties; or

               (b) the  Executive's  willful  engagement  in illegal  conduct or
gross misconduct which is materially and demonstrably injurious to the Company.

     For purposes of this Section 1.3, no act or failure to act by the Executive
shall be considered  "willful"  unless it is done, or omitted to be done, in bad
faith and without  reasonable belief that the Executive's action or omission was
in the best interests of the Company.

          1.4  "GOOD  REASON"  means the  occurrence,  without  the  Executive's
written consent,  of any of the events or circumstances set forth in clauses (a)
through  (g)[h]  below.  Notwithstanding  the  occurrence  of any such  event or
circumstance,  such occurrence shall not be deemed to constitute Good Reason if,
prior to the Date of Termination specified in the Notice of Termination (each as
defined in Section 3.2(a)) given by the Executive in respect thereof, such event
or  circumstance  has been fully corrected and the Executive has been reasonably
compensated for any losses or damages  resulting  therefrom  (provided that such
right of  correction  by the  Company  shall only  apply to the first  Notice of
Termination for Good Reason given by the Executive):

               (a) any material reduction in the Executive's  titles,  reporting
requirements,  authority or  responsibilities  from those in effect  immediately
prior to the earliest to occur of (i) the Change in Control Date,  (ii) the date
of the execution by the Company of the initial  written  agreement or instrument
providing  for the Change in Control  or (iii) the date of the  adoption  by the
Board of Directors of a resolution providing for the Change in Control (with the
earliest to occur of such dates referred to herein as the "Measurement Date");

               (b) a  reduction  in the  Executive's  annual  base  salary as in
effect  on the  Measurement  Date or as the same may be  increased  from time to
time;

               (c) the  failure  by the  Company to (i)  continue  in effect any
material  compensation or benefit plan or program  (including without limitation
any life  insurance,  medical,  health and accident or  disability  plan and any
vacation   program  or  policy)  (a  "Benefit  Plan")  in  which  the  Executive
participates  or which is applicable to the Executive  immediately  prior to the
Measurement  Date,  unless an  equitable  arrangement  (embodied  in an  ongoing
substitute  or  alternative  plan) has been made  with  respect  to such plan or
program,  (ii)  continue  the  Executive's  participation  therein  (or in  such


                                     - 3 -
<PAGE>

substitute or alternative  plan) on a basis not materially less favorable,  both
in terms of the amount of  benefits  provided  and the level of the  Executive's
participation   relative  to  other   participants,   than  the  basis  existing
immediately  prior to the  Measurement  Date or (iii) award cash  bonuses to the
Executive in amounts and in a manner substantially consistent with past practice
in light of the Company's financial performance;

               (d) a  change  by  the  Company  in the  location  at  which  the
Executive  performs the  Executive's  principal  duties for the Company to a new
location  that is both (i)  outside  a radius of 35 miles  from the  Executive's
principal residence immediately prior to the Measurement Date and (ii) more than
20 miles from the location at which the Executive  performs his or her principal
duties  for  the  Company  immediately  prior  to  the  Measurement  Date;  or a
requirement  by the Company that the Executive  travel on Company  business to a
substantially  greater extent than required immediately prior to the Measurement
Date;

               (e) the failure of the Company to obtain the agreement, in a form
reasonably  satisfactory to the Executive,  from any successor to the Company to
assume and agree to perform this Agreement, as required by Section 6.1;

               (f) a purported  termination of the Executive's  employment which
is not effected pursuant to a Notice of Termination  satisfying the requirements
of Section  3.2(a),  which  purported  termination  shall not be  effective  for
purposes of this Agreement; or

               (g) any failure of the Company to pay or provide to the Executive
any portion of the  Executive's  compensation  or benefits due under any Benefit
Plan within seven days of the date such compensation or benefits are due, or any
material  breach by the Company of any  employment  agreement with the Executive
[add following for Ed Baker only:

               or (h) the Executive  does not become the Chief  Executive of the
entity that controls the Company].

     The  Executive's  right to terminate his or her  employment for Good Reason
shall  not be  affected  by his or her  incapacity  due to  physical  or  mental
illness.

          1.5  "DISABILITY"  means the  Executive's  absence from the  full-time
performance  of the  Executive's  duties with the  Company  for 180  consecutive
calendar days as a result of incapacity due to mental or physical  illness which
is determined  to be total and permanent by a physician  selected by the Company
or its  insurers  and  acceptable  to the  Executive  or the  Executive's  legal
representative.

     2. TERM OF AGREEMENT. This Agreement, and all rights and obligations of the
parties  hereunder,  shall take effect upon the Effective  Date and shall expire
upon the first to occur of (a) the  expiration of the Term (as defined below) if
a Change in Control  has not  occurred  during the Term,  (b) the date 12 months
after the Change in Control  Date,  if the  Executive  is still  employed by the
Company as of such later date, or (c) the  fulfillment  by the Company of all of
its obligations under Sections 4 and 5.2 if the Executive's  employment with the
Company terminates within 12 months following the Change in Control Date. "Term"
shall mean the period  commencing  as of the  Effective  Date and  continuing in
effect through December 31, 2002; provided,  however, that commencing on January
1, 2003 and each January 1 thereafter,  the Term shall be automatically extended
for one  additional  year unless,  not later than 90 days prior to the scheduled


                                     - 4 -
<PAGE>

expiration of the Term (or any extension thereof),  the Company shall have given
the Executive written notice that the Term will not be extended.

     3. EMPLOYMENT STATUS; TERMINATION FOLLOWING CHANGE IN CONTROL.

          3.1 NOT AN EMPLOYMENT CONTRACT.  The Executive  acknowledges that this
Agreement  does not constitute a contract of employment or impose on the Company
any  obligation to retain the  Executive as an employee and that this  Agreement
does not prevent the Executive from  terminating  employment at any time. If the
Executive's   employment  with  the  Company   terminates  for  any  reason  and
subsequently  a Change  in  Control  shall  occur,  the  Executive  shall not be
entitled to any  benefits  hereunder  except as otherwise  provided  pursuant to
Section 1.2.

          3.2 TERMINATION OF EMPLOYMENT.

               (a) If the Change in Control  Date  occurs  during the Term,  any
termination  of the  Executive's  employment  by the Company or by the Executive
within 12 months  following  the Change in Control  Date  (other than due to the
death of the Executive)  shall be  communicated by a written notice to the other
party hereto (the "Notice of Termination"),  given in accordance with Section 7.
Any Notice of Termination shall: (i) indicate the specific termination provision
(if any) of this Agreement relied upon by the party giving such notice,  (ii) to
the  extent   applicable,   set  forth  in  reasonable   detail  the  facts  and
circumstances  claimed to  provide a basis for  termination  of the  Executive's
employment  under the  provision  so  indicated  and (iii)  specify  the Date of
Termination (as defined below). The effective date of an employment  termination
(the "Date of Termination") shall be the close of business on the date specified
in the Notice of  Termination  (which  date may not be less than 15 days or more
than 120 days after the date of delivery of such Notice of Termination),  in the
case of a termination  other than one due to the Executive's  death, or the date
of the Executive's death, as the case may be.

               (b) The failure by the  Executive  or the Company to set forth in
the  Notice of  Termination  any fact or  circumstance  which  contributes  to a
showing of Good  Reason or Cause shall not waive any right of the  Executive  or
the Company,  respectively,  hereunder or preclude the Executive or the Company,
respectively,  from  asserting  any such fact or  circumstance  in enforcing the
Executive's or the Company's right hereunder.

               (c) Any Notice of Termination for Cause given by the Company must
be given within 90 days of the  occurrence  of the  event(s) or  circumstance(s)
which  constitute(s)  Cause.  Prior to any Notice of Termination for Cause being
given (and prior to any  termination for Cause being  effective),  the Executive
shall be  entitled  to a  hearing  before  the  Board  at  which he may,  at his
election,  be  represented  by counsel  and at which he shall have a  reasonable
opportunity  to be heard.  Such  hearing  shall be held on not less than 15 days
prior written notice to the Executive stating the Board's intention to terminate
the  Executive  for Cause and  stating  in detail  the  particular  event(s)  or
circumstance(s) which the Board believes constitutes Cause for termination.  Any
such Notice of Termination for Cause must be approved by an affirmative  vote of
the Board of Directors.


                                     - 5 -
<PAGE>
     
          (d) Any  Notice  of  Termination  for  Good  Reason  given by the
Executive  must be given  within 90 days of the  occurrence  of the  event(s) or
circumstance(s) which constitute(s) Good Reason.

     4.   BENEFITS TO EXECUTIVE.

          4.1 STOCK  ACCELERATION.  If the Change in Control Date occurs  during
the Term,  then,  effective  upon the Change in Control Date,  each  outstanding
option to purchase  shares of Common Stock of the Company held by the  Executive
shall become ( to the extent it is not already) immediately exercisable in full.

          4.2 COMPENSATION. If the Change in Control Date occurs during the Term
and the  Executive's  employment  with the Company  terminates  within 12 months
following  the Change in Control Date,  the  Executive  shall be entitled to the
following benefits:

               (a)  TERMINATION  WITHOUT  CAUSE  OR  FOR  GOOD  REASON.  If  the
Executive's employment with the Company is terminated by the Company (other than
for Cause,  Disability  or Death) or by the  Executive for Good Reason within 12
months  following  the  Change in  Control  Date,  then the  Executive  shall be
entitled to the following benefits:

                    (i) the Company  shall pay to the Executive in a lump sum in
cash within 30 days after the Date of Termination the aggregate of the following
amounts:

                         (1) the sum of (A) the Executive's  base salary through
the Date of Termination (to the extent not previously  paid), (B) the product of
(x) the annual  bonus paid or payable  (including  any bonus or portion  thereof
which has been earned but deferred) for the most recently  completed fiscal year
and (y) a fraction,  the numerator of which is the number of days in the current
fiscal year through the Date of  Termination,  and the  denominator  of which is
365, and (C) the amount of any compensation previously deferred by the Executive
(together  with any  accrued  interest  or  earnings  thereon)  and any  accrued
vacation  pay,  in each case to the extent not  previously  paid (the sum of the
amounts  described in clauses (A), (B) and (C) shall be hereinafter  referred to
as the "Accrued Obligations"); and

                         (2) the amount equal to (A) three multiplied by (B) the
sum of (x) the Executive's annual base salary in effect on the Change in Control
Date and (y) the average  bonus paid for the three  calendar  years  immediately
preceding the calendar year during which the Change in Control Date occurs.

                    (ii) for 12 months  after the Date of  Termination,  or such
longer period as may be provided by the terms of the appropriate plan,  program,
practice  or policy,  the  Company  shall  continue  to provide  benefits to the
Executive  and the  Executive's  family at least equal to those which would have
been provided to them if the Executive's employment had not been terminated,  in
accordance with the applicable  Benefit Plans in effect on the Measurement  Date
or, if more  favorable to the Executive and his family,  in effect  generally at
any time thereafter with respect to other peer executives of the Company and its
affiliated  companies;   provided,   however,  that  if  the  Executive  becomes
reemployed  with  another  employer  and is  eligible  to receive  substantially
equivalent benefits under another  employer-provided  plan, on terms at least as


                                     - 6 -
<PAGE>

favorable to the Executive  and his family,  then the Company shall no longer be
required to provide the benefits described in this clause (ii);

                    (iii) to the extent not  previously  paid or  provided,  the
Company  shall  timely  pay or  provide to the  Executive  any other  amounts or
benefits  required to be paid or provided or which the  Executive is eligible to
receive  following the  Executive's  termination  of employment  under any plan,
program,  policy,  practice,  contract  or  agreement  of the  Company  and  its
affiliated  companies  (such other  amounts and  benefits  shall be  hereinafter
referred to as the "Other Benefits"); and

                    (iv) for purposes of  determining  eligibility  (but not the
time of commencement of benefits) of the Executive for retiree benefits to which
the Executive is entitled,  the  Executive  shall be considered to have remained
employed by the Company until 12 months after the Date of Termination.

               (b)  RESIGNATION  WITHOUT GOOD REASON;  TERMINATION  FOR DEATH OR
DISABILITY.  If the Executive  voluntarily  terminates his  employment  with the
Company  within 12 months  following  the Change in Control  Date,  excluding  a
termination for Good Reason,  or if the Executive's  employment with the Company
is terminated by reason of the Executive's  death or Disability within 12 months
following  the  Change  in  Control  Date,  then the  Company  shall (i) pay the
Executive (or his estate,  if applicable),  in a lump sum in cash within 30 days
after the Date of  Termination,  the Accrued  Obligations and (ii) timely pay or
provide to the Executive the Other Benefits.

               (c)  TERMINATION  FOR  CAUSE.  If  the  Company   terminates  the
Executive's employment with the Company for Cause within 12 months following the
Change in Control Date, then the Company shall (i) pay the Executive,  in a lump
sum in cash  within 30 days  after the Date of  Termination,  the sum of (A) the
Executive's  annual base  salary  through  the Date of  Termination  and (B) the
amount of any compensation previously deferred by the Executive, in each case to
the extent not previously  paid, and (ii) timely pay or provide to the Executive
the Other Benefits.

          4.3 TAXES.

               (a) Notwithstanding any other provision of this Agreement, in the
event that the Company  undergoes a "Change in Ownership or Control" (as defined
below),  the Company  shall not be  obligated to provide to the  Executive  such
portion of any  "Contingent  Compensation  Payments" (as defined below) that the
Executive  would  otherwise be entitled to receive as would  constitute  "excess
parachute  payments" (as defined in Section  280G(b)(1) of the Internal  Revenue
Code of 1986, as amended (the "Code")) for the  Executive.  For purposes of this
Section  4.3,  the  Contingent  Compensation  Payments  so  eliminated  shall be
referred to as the "Eliminated Payments" and the aggregate amount (determined in
accordance with Proposed Treasury  Regulation  Section  1.280G-1,  Q/A-30 or any
successor provision) of the Contingent Compensation Payments so eliminated shall
be referred to as the "Eliminated Amount."

               (b)  Notwithstanding  the provisions of Section  4.3(a),  no such
reduction  in payments or benefits  shall be made if (i) the  Eliminated  Amount


                                     - 7 -
<PAGE>

(computed  without regard to this sentence)  exceeds (ii) the aggregate  present
value  (determined  in accordance  with  Proposed  Treasury  Regulation  Section
1.280G-1,  Q/A-31 and Q/A-32 or any successor  provisions)  of the amount of any
additional  taxes that would be  incurred  by the  Executive  if the  Eliminated
Payments  (determined  without  regard  to  this  sentence)  were  paid  to  him
(including,  state and federal  income  taxes on the  Eliminated  Payments,  the
excise tax imposed by Section  4999 of the Code  payable  with respect to all of
the Contingent  Compensation  Payments, and any withholding taxes). The override
of such reduction in payments or benefits  pursuant to this Section 4.3(b) shall
be  referred to as a "Section  4.3(b)  Override."  For purpose of the  preceding
sentence,  if any federal or state  income  taxes would be  attributable  to the
receipt of any Eliminated Payment, the amount of such taxes shall be computed by
multiplying the amount of the Eliminated Payment by the maximum combined federal
and state income tax rate provided by law.

               (c) For  purposes of this Section 4.3 the  following  terms shall
have the following respective meanings:

                    (i) "Change in Ownership or Control"  shall mean a change in
the  ownership  or  effective  control of the Company or in the  ownership  of a
substantial  portion of the assets of the Company  determined in accordance with
Section 280G(b)(2) of the Code.

                    (ii)  "Contingent   Compensation  Payment"  shall  mean  any
payment (or benefit) in the nature of compensation that is made or supplied to a
"disqualified  individual"  (as defined in Section 280G(c) of the Code) and that
is contingent (within the meaning of Section  280G(b)(2)(A)(i) of the Code) on a
Change in Ownership or Control of the Company.

               (d) Any payments or other benefits otherwise due to the Executive
following  a  Change  in  Ownership  or  Control   that  could   reasonably   be
characterized (as determined by the Company) as Contingent Compensation Payments
(the  "Potential  Payments")  shall not be made until the dates  provided for in
this Section  4.3(d).  Within 30 days after the date of such Change in Ownership
or  Control,  the  Company  shall  determine  and  notify  the  Executive  (with
reasonable  detail  regarding  the  basis  for  its  determinations)  (i)  which
Potential  Payments  constitute  Contingent   Compensation  Payments,  (ii)  the
Eliminated  Amount and (iii) whether the Section 4.3(b)  Override is applicable.
Within 30 days after  delivery of such notice to the  Executive,  the  Executive
shall  deliver a response  to the Company  (the  "Executive  Response")  stating
either  (A) that he agrees  with the  Company's  determination  pursuant  to the
preceding  sentence,  in which  case he shall  indicate,  if  applicable,  which
Contingent  Compensation  Payments, or portions thereof (the aggregate amount of
which,  determined  in  accordance  with Proposed  Treasury  Regulation  Section
1.280G-1,  QA-30 or any successor  provision,  shall be equal to the  Eliminated
Amount),  shall be treated as Eliminated  Payments or (B) that he disagrees with
such  determination,  in which case he shall indicate which  Potential  Payments
should be  characterized  as Contingent  Compensation  Payments,  the Eliminated
Amount,  whether the Section 4.3(b) Override is applicable,  and, which (if any)
Contingent  Compensation  Payments, or portions thereof (the aggregate amount of
which,  determined  in  accordance  with Proposed  Treasury  Regulation  Section
1.280G-1,  QA-30 or any successor  provision,  shall be equal to the  Eliminated
Amount, if any), shall be treated as Eliminated Payments.  In the event that the
Executive fails to deliver an Executive Response on or before the required date,


                                     - 8 -
<PAGE>

the  Company's  initial   determination   shall  be  final  and  the  Contingent
Compensation  Payments  that shall be treated as  Eliminated  Payments  shall be
determined by the Company in its absolute discretion. If the Executive states in
the  Executive  Response that he agrees with the  Company's  determination,  the
Company shall make the Potential Payments to the Executive within three business
days following delivery to the Company of the Executive Response (except for any
Potential  Payments  which are not due to be made until  after such date,  which
Potential  Payments  shall be made on the date on which  they are  due).  If the
Executive states in the Executive  Response that he disagrees with the Company's
determination, then, for a period of 60 days following delivery of the Executive
Response,  the Executive and the Company shall use good faith efforts to resolve
such dispute.  If such dispute is not resolved  within such 60-day period,  such
dispute shall be settled exclusively by arbitration in Boston, Massachusetts, in
accordance  with  the  rules of the  American  Arbitration  Association  then in
effect.  Judgment may be entered on the  arbitrator's  award in any court having
jurisdiction.  The Company shall,  within three business days following delivery
to the Company of the Executive Response,  make to the Executive those Potential
Payments as to which there is no dispute  between the Company and the  Executive
regarding  whether they should be made (except for any such  Potential  Payments
which are not due to be made until  after such date,  which  Potential  Payments
shall be made on the date on which they are due).  The balance of the  Potential
Payments  shall be made within three  business days  following the resolution of
such dispute.  The amount of any payments to be made to the Executive  following
the  resolution  of such  dispute  shall be  increased  by amount of the accrued
interest  thereon  computed at the prime rate announced from time to time by the
Wall  Street  Journal,  compounded  monthly  from the date  that  such  payments
originally were due.

               (e) The  provisions  of this Section 4.3 are intended to apply to
any and all payments or benefits available to the Executive under this Agreement
or any other agreement or plan of the Company under which the Executive receives
Contingent Compensation Payments.

          4.4  MITIGATION.  The Executive  shall not be required to mitigate the
amount of any  payment or  benefits  provided  for in this  Section 4 by seeking
other  employment  or  otherwise.   Further,   except  as  provided  in  Section
4.2(a)(ii), the amount of any payment or benefits provided for in this Section 4
shall not be reduced by any compensation  earned by the Executive as a result of
employment by another employer,  by retirement  benefits,  by offset against any
amount claimed to be owed by the Executive to the Company or otherwise.

     5.   DISPUTES.

          5.1 SETTLEMENT OF DISPUTES;  ARBITRATION.  All claims by the Executive
for benefits  under this  Agreement  shall be directed to and  determined by the
Board and shall be in writing.  Any denial by the Board of a claim for  benefits
under this  Agreement  shall be delivered to the  Executive in writing and shall
set forth the  specific  reasons for the denial and the specific  provisions  of
this Agreement  relied upon. The Board shall afford a reasonable  opportunity to
the Executive for a review of the decision  denying a claim. Any further dispute
or  controversy  arising under or in  connection  with this  Agreement  shall be
settled exclusively by arbitration in Boston, Massachusetts,  in accordance with
the rules of the American Arbitration  Association then in effect.  Judgment may
be entered on the arbitrator's award in any court having jurisdiction.


                                     - 9 -
<PAGE>

          5.2  EXPENSES.  The  Company  agrees to pay as  incurred,  to the full
extent permitted by law, all legal, accounting and other fees and expenses which
the  Executive  may  reasonably  incur  as a  result  of any  claim  or  contest
(regardless  of the outcome  thereof) by the  Company,  the  Executive or others
regarding the validity or  enforceability  of, or liability under, any provision
of this Agreement or any guarantee of performance thereof (including as a result
of any contest by the Executive  regarding the amount of any payment or benefits
pursuant to this  Agreement),  plus in each case interest on any delayed payment
at the  applicable  Federal rate  provided for in Section  7872(f)(2)(A)  of the
Code. Notwithstanding the preceding sentence, the Executive shall be required to
reimburse  the  Company for fees and  expenses  incurred by him (and paid by the
Company) related to a claim or contest  initiated by the Executive to the extent
that the arbitrator  deems  appropriate  based on the merits of the  Executive's
claims.

     6.   SUCCESSORS.

          6.1  SUCCESSOR TO COMPANY.  The Company  shall  require any  successor
(whether direct or indirect, by purchase, merger, consolidation or otherwise) to
all or substantially  all of the business or assets of the Company  expressly to
assume and agree to perform  this  Agreement to the same extent that the Company
would be required to perform it if no such  succession had taken place.  Failure
of the  Company to obtain an  assumption  of this  Agreement  at or prior to the
effectiveness  of any  succession  shall be a breach of this Agreement and shall
constitute Good Reason if the Executive elects to terminate  employment,  except
that for  purposes of  implementing  the  foregoing,  the date on which any such
succession becomes effective shall be deemed the Date of Termination. As used in
this  Agreement,  "Company"  shall mean the  Company  as  defined  above and any
successor  to its business or assets as  aforesaid  which  assumes and agrees to
perform this Agreement, by operation of law or otherwise.

          6.2 SUCCESSOR TO EXECUTIVE.  This Agreement shall inure to the benefit
of and be  enforceable  by the  Executive's  personal or legal  representatives,
executors,   administrators,   successors,  heirs,  distributees,  devisees  and
legatees. If the Executive should die while any amount would still be payable to
the  Executive or his family  hereunder if the  Executive had continued to live,
all such amounts,  unless otherwise provided herein, shall be paid in accordance
with the terms of this Agreement to the executors,  personal  representatives or
administrators of the Executive's estate.

     7.  NOTICE.  All  notices,  instructions  and  other  communications  given
hereunder  or in  connection  herewith  shall be in  writing.  Any such  notice,
instruction or communication shall be sent either (i) by registered or certified
mail, return receipt requested, postage prepaid, or (ii) prepaid via a reputable
nationwide  overnight courier service, in each case addressed to the Company, at
1800  West  Park  Drive,  Suite  250,  Westborough,  MA 01581  Attention:  Chief
Executive  Officer,  and to the  Executive  at  _____________  (or to such other
address as either the Company or the Executive  may have  furnished to the other
in  writing  in  accordance   herewith).   Any  such  notice,   instruction   or
communication shall be deemed to have been delivered five business days after it
is sent by registered  or certified  mail,  return  receipt  requested,  postage
prepaid,  or one  business  day  after  it is sent  via a  reputable  nationwide
overnight  courier  service.  Either party may give any notice,  instruction  or
other  communication  hereunder  using  any  other  means,  but no such  notice,


                                     - 10 -
<PAGE>

instruction or other  communication  shall be deemed to have been duly delivered
unless and until it actually is received by the party for whom it is intended.

     8.   MISCELLANEOUS.

          8.1  EMPLOYMENT BY  SUBSIDIARY.  For purposes of this  Agreement,  the
Executive's  employment  with the Company shall not be deemed to have terminated
solely as a result of the Executive  continuing to be employed by a wholly-owned
subsidiary of the Company.

          8.2 SEVERABILITY.  The invalidity or unenforceability of any provision
of this Agreement shall not affect the validity or  enforceability  of any other
provision of this Agreement, which shall remain in full force and effect.

          8.3 INJUNCTIVE  RELIEF.  The Company and the Executive  agree that any
breach of this  Agreement  by the  Company  is  likely  to cause  the  Executive
substantial  and  irrevocable  damage  and  therefore,  in the event of any such
breach, in addition to such other remedies which may be available, the Executive
shall have the right to specific performance and injunctive relief.

          8.4 GOVERNING  LAW. The  validity,  interpretation,  construction  and
performance  of this  Agreement  shall be governed by the  internal  laws of the
Commonwealth of Massachusetts, without regard to conflicts of law principles.

          8.5 WAIVERS.  No waiver by the Executive at any time of any breach of,
or  compliance  with,  any  provision  of this  Agreement to be performed by the
Company  shall  be  deemed  a  waiver  of that  or any  other  provision  at any
subsequent time.

          8.6 COUNTERPARTS. This Agreement may be executed in counterparts, each
of which  shall be deemed to be an  original  but both of which  together  shall
constitute one and the same instrument.

          8.7 TAX WITHHOLDING. Any payments provided for hereunder shall be paid
net of any applicable  tax  withholding  required under federal,  state or local
law.

          8.8 ENTIRE  AGREEMENT.  This Agreement sets forth the entire agreement
of the parties  hereto in respect of the  subject  matter  contained  herein and
supersedes   all   prior   agreements,   promises,   covenants,    arrangements,
communications,  representations or warranties,  whether oral or written, by any
officer, employee or representative of any party hereto; and any prior agreement
of the  parties  hereto in respect of the  subject  matter  contained  herein is
hereby terminated and cancelled.


                                     - 11 -
<PAGE>

          8.9  AMENDMENTS.  This  Agreement may be amended or modified only by a
written instrument executed by both the Company and the Executive.

     IN WITNESS  WHEREOF,  the parties hereto have executed this Agreement as of
the day and year first set forth above.

         ARCH COMMUNICATIONS GROUP, INC.

         By:________________________________

         Title:_______________________________

      

         -----------------------------------
         [NAME OF EXECUTIVE]








                                     - 12 -

<PAGE>


                                                                    EXHIBIT 21.1
                            
                              LIST OF SUBSIDIARIES

<TABLE>
<CAPTION>

<S>                                   <C>                               <C>   
SUBSIDIARY                            STATE OF INCORPORATION            DOES BUSINESS AS
- ------------------------------------- --------------------------------- ---------------------------
3057011 Canada, Inc.                  Ontario, Canada
Answer Iowa, Inc.                     Iowa                              Arch Paging
Arch Canada, Inc.                     Ontario, Canada
Arch Capitol District, Inc.           New York                          Page New York
Arch Communications Enterprises,      Delaware                          Arch Nationwide Paging
Inc.
                                                                        AD-VU
Arch Communications Services, Inc.    New York                          Arch Paging
Arch Connecticut Valley, Inc.         Massachusetts                     Arch Paging
Arch Michigan, Inc.                   Delaware                          Arch Paging
Arch Southeast Communications, Inc.   Delaware                          Arch Paging
Becker Beeper, Inc.                   Illinois                          Arch Paging
The Beeper Company of America, Inc.   Colorado                          Arch Paging
PCI Holding Company                   Pennsylvania                      Arch Paging
Per-Com Wireless Enterprises, Inc.    Ontario, Canada
Premiere Page of Kansas, Inc.         Kansas                            Arch Paging
Professional Communications, Inc.     Pennsylvania                      Arch Paging
(PA)
Professional Electronics, Inc.        Pennsylvania                      Arch Paging
Q Media Company - Paging, Inc.        Delaware                          Arch Paging
Q Media Company - Paging, Inc.        Kansas                            Arch Paging
Q Media Paging - Alabama, Inc.        Delaware                          Arch Paging
USA Mobile Communications, Inc. II    Delaware                          Arch Paging
USA Mobile Communications, Inc. III   Delaware                          Arch Paging
W.Q. Communications, Inc.             Kansas                            Arch Paging
The Westlink Company                  Delaware                          Arch Paging
The Westlink Paging Company of New    New Mexico                        Arch Paging
Mexico, Inc.
</TABLE>

<PAGE>

                                                                    Exhibit 23.1

                    CONSENT OF INDEPENDENT PUBLIC ACCOUNTANTS





As independent public accountants, we hereby consent to the incorporation of our
reports  included  in this  Form  10-K,  into  the  Company's  previously  filed
Registration Statements File Nos. 33-97072,  33-97074,  33-87940,  333-07333 and
333-26759.









                                                          Arthur Andersen, LLP
Boston, Massachusetts
March 24, 1998


<TABLE> <S> <C>

<ARTICLE>                                 5
<CIK>                                     0000915390
<NAME>                                    ARCH COMMUNICATIONS GROUP, INC.
<MULTIPLIER>                              1,000
<CURRENCY>                                USD
       
<S>                                       <C>
<PERIOD-TYPE>                             YEAR
<FISCAL-YEAR-END>                                 DEC-31-1997
<PERIOD-START>                                    JAN-31-1997
<PERIOD-END>                                      DEC-31-1997
<EXCHANGE-RATE>                                        1
<CASH>                                             3,328
<SECURITIES>                                           0
<RECEIVABLES>                                     35,891
<ALLOWANCES>                                       5,744
<INVENTORY>                                       12,633
<CURRENT-ASSETS>                                  51,025
<PP&E>                                           388,035
<DEPRECIATION>                                   146,542
<TOTAL-ASSETS>                                 1,020,720
<CURRENT-LIABILITIES>                             85,079
<BONDS>                                          968,896
                                  0
                                            0
<COMMON>                                         351,419
<OTHER-SE>                                             0
<TOTAL-LIABILITY-AND-EQUITY>                   1,020,720
<SALES>                                           44,897
<TOTAL-REVENUES>                                 396,841
<CGS>                                             29,158
<TOTAL-COSTS>                                    131,310
<OTHER-EXPENSES>                                 338,388
<LOSS-PROVISION>                                   7,181
<INTEREST-EXPENSE>                                98,063
<INCOME-PRETAX>                                 (203,046)
<INCOME-TAX>                                     (21,172)
<INCOME-CONTINUING>                             (181,874)
<DISCONTINUED>                                         0
<EXTRAORDINARY>                                        0
<CHANGES>                                              0
<NET-INCOME>                                    (181,874)
<EPS-PRIMARY>                                         (8.77)
<EPS-DILUTED>                                         (8.77)
        


</TABLE>


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