WARBURG PINCUS VENTURES LP
SC 13D, 1998-10-22
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<PAGE>

                       SECURITIES AND EXCHANGE COMMISSION
                             Washington, D.C. 20549
                                  SCHEDULE 13D

                    Under the Securities Exchange Act of 1934

                            Esprit Telecom Group plc
             ------------------------------------------------------
                                (Name of Issuer)

                 Ordinary Shares, nominal value (pound)0.01 each
             ------------------------------------------------------
                         (Title of Class of Securities)
                                    29665W104
             ------------------------------------------------------
                      (CUSIP Number of Class of Securities)

                                 Stephen Distler
                         E.M. Warburg, Pincus & Co., LLC
                              466 Lexington Avenue
                            New York, New York 10017
                                 (212) 878-0600
             ------------------------------------------------------
                  (Name, Address and Telephone Number of Person
                Authorized to Receive Notices and Communications)

                                   Copies to:
                                 William N. Dye
                            Willkie Farr & Gallagher
                                35 Wilson Street
                                 London EC2M 2SJ
                                     England
                              (011) 44-171-696-9060

                                 October 12, 1998
             ------------------------------------------------------
             (Date of Event which Requires Filing of this Schedule)

If the filing person has previously filed a statement on Schedule 13G to report
the acquisition that is the subject of this Schedule 13D, and is filing this
schedule because of Rule 13d-1(b)(3) or (4), check the following:          [  ]



<PAGE>








                                         SCHEDULE 13D

- -------------------------------------------                  -------------------
CUSIP No. 29665W104                                          Page 2 of 14 Pages
- -------------------------------------------                  -------------------

- --------------------------------------------------------------------------------
1  NAME OF REPORTING PERSON
   S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON

   Warburg, Pincus Ventures, L.P.                        I.D. #13-3784037
- --------------------------------------------------------------------------------
2  CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP *          (a) [ ]
                                                               (b) [X]
- --------------------------------------------------------------------------------
3  SEC USE ONLY

- --------------------------------------------------------------------------------
4  SOURCE OF FUNDS *                                           OO

- --------------------------------------------------------------------------------
5  CHECK IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO

   ITEMS 2(d) or 2(e)                                          [ ]
- --------------------------------------------------------------------------------
6  CITIZENSHIP OR PLACE OF ORGANIZATION                        Delaware

- --------------------------------------------------------------------------------
                 7    SOLE VOTING POWER

                      0 Ordinary Shares
          ----------------------------------------------------------------------
  NUMBER OF      8    SHARED VOTING POWER
   SHARES                
BENEFICIALLY          15,442,150 Ordinary Shares
  OWNED BY
    EACH
 REPORTING
PERSON WITH
          ----------------------------------------------------------------------
                 9    SOLE DISPOSITIVE POWER

                      0 Ordinary Shares
          ----------------------------------------------------------------------
                 10   SHARED DISPOSITIVE POWER

                      15,442,150 Ordinary Shares
- --------------------------------------------------------------------------------
11 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

   15,442,150 Ordinary Shares
- --------------------------------------------------------------------------------
12 CHECK IF THE AGGREGATE AMOUNT IN ROW (11)
     EXCLUDES CERTAIN SHARES *                                   [X]

- --------------------------------------------------------------------------------
13 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)          12.3%
- --------------------------------------------------------------------------------
14 TYPE OF REPORTING PERSON *                                  PN

- --------------------------------------------------------------------------------


                     * SEE INSTRUCTIONS BEFORE FILLING OUT!
          INCLUDE BOTH SIDES OF THE COVER PAGE, RESPONSES TO ITEMS 1-7
      (INCLUDING EXHIBITS) OF THE SCHEDULE, AND THE SIGNATURE ATTESTATION.



<PAGE>




                                  SCHEDULE 13D

- ------------------------------------                    ------------------------
CUSIP No. 29665W104                                     Page 3 of 14 Pages
- ------------------------------------                    ------------------------


- --------------------------------------------------------------------------------
1  NAME OF REPORTING PERSON            
   S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON

   Warburg, Pincus & Co.                                 I.D. #13-6358475
- --------------------------------------------------------------------------------
2  CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP *          (a) [ ]
                                                               (b) [X]
- --------------------------------------------------------------------------------
3  SEC USE ONLY

- --------------------------------------------------------------------------------
4  SOURCE OF FUNDS *                                           N/A

- --------------------------------------------------------------------------------
5  CHECK IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO
   ITEMS 2(d) or 2(e)
                                                       [ ] 
- --------------------------------------------------------------------------------
6  CITIZENSHIP OR PLACE OF ORGANIZATION                        New York

- --------------------------------------------------------------------------------
                 7    SOLE VOTING POWER

                      0 Ordinary Shares
          ----------------------------------------------------------------------
  NUMBER OF      8    SHARED VOTING POWER
   SHARES   
BENEFICIALLY          15,442,150 Ordinary Shares
  OWNED BY  
    EACH    
 REPORTING  
PERSON WITH 
          ----------------------------------------------------------------------
                 9    SOLE DISPOSITIVE POWER

                      0 Ordinary Shares
          ----------------------------------------------------------------------
                 10   SHARED DISPOSITIVE POWER

                      15,442,150 Ordinary Shares
- --------------------------------------------------------------------------------
11 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

   15,442,150 Ordinary Shares
- --------------------------------------------------------------------------------
12 CHECK IF THE AGGREGATE AMOUNT IN ROW (11)
     EXCLUDES CERTAIN SHARES *                                   [X]

- --------------------------------------------------------------------------------
13 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)          12.3%

- --------------------------------------------------------------------------------
14 TYPE OF REPORTING PERSON *                                  PN

- --------------------------------------------------------------------------------


                     * SEE INSTRUCTIONS BEFORE FILLING OUT!
          INCLUDE BOTH SIDES OF THE COVER PAGE, RESPONSES TO ITEMS 1-7
      (INCLUDING EXHIBITS) OF THE SCHEDULE, AND THE SIGNATURE ATTESTATION.


<PAGE>




                                  SCHEDULE 13D

- ------------------------------------                    ------------------------
CUSIP No. 29665W104                                     Page 4 of 14 Pages
- ------------------------------------                    ------------------------


- --------------------------------------------------------------------------------
1  NAME OF REPORTING PERSON            
   S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON

   E.M. Warburg, Pincus & Co., LLC                       I.D. #13-3536050
- --------------------------------------------------------------------------------
2  CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP *          (a) [ ]
                                                               (b) [X]
- --------------------------------------------------------------------------------
3  SEC USE ONLY

- --------------------------------------------------------------------------------
4  SOURCE OF FUNDS *                                           N/A

- --------------------------------------------------------------------------------
5  CHECK IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO

   ITEMS 2(d) or 2(e)                                          [ ]
- --------------------------------------------------------------------------------
6  CITIZENSHIP OR PLACE OF ORGANIZATION                        New York

- --------------------------------------------------------------------------------
                 7    SOLE VOTING POWER

                      0 Ordinary Shares
          ----------------------------------------------------------------------
  NUMBER OF      8    SHARED VOTING POWER
   SHARES   
BENEFICIALLY          15,442,150 Ordinary Shares
  OWNED BY  
    EACH    
 REPORTING  
PERSON WITH 
          ----------------------------------------------------------------------
                 9    SOLE DISPOSITIVE POWER

                      0 Ordinary Shares
          ----------------------------------------------------------------------
                 10   SHARED DISPOSITIVE POWER

                      15,442,150 Ordinary Shares
- --------------------------------------------------------------------------------
11 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

   15,442,150 Ordinary Shares
- --------------------------------------------------------------------------------
12 CHECK IF THE AGGREGATE AMOUNT IN ROW (11)
     EXCLUDES CERTAIN SHARES *                                   [X]

- --------------------------------------------------------------------------------
13 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)          12.3%

- --------------------------------------------------------------------------------
14 TYPE OF REPORTING PERSON *                                  OO

- --------------------------------------------------------------------------------

                     * SEE INSTRUCTIONS BEFORE FILLING OUT!
          INCLUDE BOTH SIDES OF THE COVER PAGE, RESPONSES TO ITEMS 1-7
      (INCLUDING EXHIBITS) OF THE SCHEDULE, AND THE SIGNATURE ATTESTATION.



<PAGE>





         This Schedule 13D is being filed on behalf of Warburg, Pincus Ventures,
L.P., a Delaware limited partnership ("Ventures"),  Warburg, Pincus & Co., a New
York general partnership ("WP"), and E.M. Warburg, Pincus & Co., LLC, a New York
limited  liability  company ("EMW"),  relating to the Ordinary  Shares,  nominal
value (pound)0.01 each (the "Ordinary  Shares"),  of Esprit Telecom Group plc, a
public  limited  company  organized  under the laws of  England  and Wales  (the
"Company").  Of the  Reporting  Entities (as defined  below),  only Ventures has
acquired direct ownership of the Ordinary Shares. 

ITEM 1.           SECURITY AND ISSUER.

         This statement on Schedule 13D relates to the Ordinary Shares,  nominal
value  (pound)0.01  each,  of the Company,  and is being filed  pursuant to Rule
13d-1 under the  Securities  Exchange  Act of 1934,  as amended  (the  "Exchange
Act").  The address of the principal  executive office of the Company is Minerva
House,  Valpy Street,  Reading,  RG1 1AR, United  Kingdom.  

ITEM 2.           IDENTITY AND BACKGROUND.

         (a) This  statement is filed by Ventures,  WP and EMW. The sole general
partner  of  Ventures  is WP.  EMW  manages  Ventures.  Lionel I.  Pincus is the
managing  partner  of WP and the  managing  member  of EMW and may be  deemed to
control both WP and EMW. WP has a 15% interest in the profits of Ventures as the
general partner,  and also owns  approximately  1.2% of the limited  partnership
interests  in  Ventures.  Ventures,  WP and  EMW  are  hereinafter  collectively
referred to as the  "Reporting  Entities."  The  general  partners of WP and the
members of EMW are described in Schedule I hereto.  The  Reporting  Entities and
Apax Partners & Co. Ventures Ltd.  ("Apax") may be deemed to be a "group" within
the meaning of Section  13(d) of the Exchange  Act. The filing of this  Schedule
13D shall not be construed as an admission that any Reporting Entity is, for the
purposes of Section 13(d) or 13(g) of the Exchange Act, the beneficial  owner of
any  securities  covered by this Schedule 13D other than the  securities  stated
herein to be beneficially owned by such Reporting Entity. The Reporting Entities
expressly  disclaim  beneficial  ownership of any Ordinary  Shares  beneficially
owned by Apax.


                                  Page 5 of 14
<PAGE>

         (b) The address of the principal  business and principal office of each
of the Reporting  Entities is 466 Lexington  Avenue,  10th Floor,  New York, New
York 10017.

         (c) The principal business of Ventures is that of a partnership engaged
in making venture capital and related investments.  The principal business of WP
is acting as general partner of Ventures, Warburg, Pincus Equity Partners, L.P.,
Warburg,  Pincus Ventures International,  L.P., Warburg, Pincus Investors,  L.P.
and Warburg,  Pincus  Capital  Company,  L.P. The  principal  business of EMW is
acting as manager of Ventures,  Warburg, Pincus Equity Partners,  L.P., Warburg,
Pincus  Ventures  International,  L.P.,  Warburg,  Pincus  Investors,  L.P.  and
Warburg, Pincus Capital Company, L.P.

         (d)  None  of the  Reporting  Entities,  nor,  to  the  best  of  their
knowledge, any of the directors, executive officers, general partners or members
referred to in paragraph (a) has, during the last five years,  been convicted in
a criminal proceeding (excluding traffic violations or similar misdemeanors).
 
         (e) None of the Reporting Entities nor, to the best of their knowledge,
any of the directors,  executive officers,  general partners or members referred
to in  paragraph  (a) above has,  during the last five years,  been a party to a
civil proceeding of a judicial or administrative body of competent  jurisdiction
and as a result of such  proceeding  was or is subject to a judgment,  decree or
final  order  enjoining  future  violations  of,  or  prohibiting  or  mandating
activities subject to, federal or state securities laws or finding any violation
with respect to such laws.

         (f) Except as  otherwise  indicated  on Schedule I hereto,  each of the
individuals referred to in paragraph (a) above is a United States citizen.

ITEM 3.           SOURCE AND AMOUNT OF FUNDS OR OTHER CONSIDERATION.

         The  total  amount  of funds  required  by  Ventures  to  purchase  the
15,442,150  Ordinary Shares was $11,118,348,  and was furnished from the working
capital of Ventures.  None of the  Reporting  Entities  have  acquired any other
Ordinary Shares.  The Reporting Entities and Apax may be deemed to have formed a


                                  Page 6 of 14
<PAGE>

"group"  within the meaning of Section  13(d) of the Exchange Act. The Reporting
Entities  expressly  disclaim  beneficial   ownership  of  any  Ordinary  Shares
beneficially owned by Apax. 

ITEM 4. PURPOSE OF TRANSACTION.

       On February 10, 1998,  the Reporting  Entities  filed a Schedule 13G in
respect of their  beneficial  ownership  of  15,442,150  Ordinary  Shares,  then
representing 12.5% of the Ordinary Shares.
 
        Dominic H.  Shorthouse,  who is a Managing  Director and member of EMW,
was elected to the Company's Board of Directors in January 1997. Mr.  Shorthouse
disclaims beneficial ownership of the Ordinary Shares owned by Ventures.  Except
with respect to the matters relating to the extraordinary general meeting of the
Company's  shareholders,  as discussed below, the Reporting  Entities  presently
expect  to  limit  their  involvement  in  the  management  of  the  Company  to
representation on the Board of Directors.

         Extraordinary General Meeting. On October 12, 1998, Ventures received a
         -----------------------------
copy of a notice addressed to the Company,  dated the same date, that was served
by Mr. Walter Anderson, in his personal capacity as a shareholder of the Company
and as representative of Gold & Appel Transfer S.A., another  shareholder of the
Company.  This notice required the Company to convene an  extraordinary  general
meeting of its  shareholders  for the purpose of acting on resolutions to remove
(i) David Oertle as Director and Chief  Executive  Officer of the Company;  (ii)
John McMonigall and Dominic Shorthouse as Directors;  and (iii) Sir Robin Biggam
as Director and Chairman.

         On October  12,  1998,  Ventures  and Apax Funds  Nominees  Limited (an
entity that, based on information provided by Apax to the Reporting Entities, is
the record holder of the Ordinary  Shares  beneficially  owned by Apax,  holding
such Ordinary  Shares solely as nominee)  delivered to the Company a requisition
to convene an extraordinary general meeting of the Company's shareholders, which
included a special notice to the Company of their intention to move a resolution
to remove Mr. Anderson as a Director.  The text of this requisition is set forth
as Exhibit 99.1 and is incorporated herein by reference.


                                  Page 7 of 14
<PAGE>

         In connection with the  extraordinary  general meeting of the Company's
shareholders,  Ventures  expects to send  shareholders  of the  Company a letter
recommending that they vote in favor of the resolution  proposed by Ventures and
Apax Funds Nominees Limited and against the resolutions proposed by Mr. Anderson
and Gold & Appel Transfer S.A., and expects Apax Funds Nominees  Limited to join
them in this letter.  In addition,  Ventures expects Dominic  Shorthouse (in his
capacity as Director) to send  shareholders of the Company a letter  summarizing
his views in respect of the proposed  resolutions,  and expects John  McMonigall
(in his capacity as Director)  to join him in this letter.  Ventures  expects to
vote in favor of the resolution to remove Mr. Anderson as a Director and to vote
against the resolutions proposed by Mr. Anderson and Gold & Appel Transfer S.A.,
and expects Apax Funds Nominees Limited to vote in the same way.

         As a result  of the  foregoing  actions  by  Ventures  and  Apax  Funds
Nominees Limited, the Reporting Entities and Apax may be deemed to have formed a
"group"  within the  meaning  of Section  13(d) of the  Exchange  Act.  Apax has
informed the Reporting Entities that it intends to file a separate Schedule 13D.
The filing of this Schedule 13D shall not be construed as an admission  that any
Reporting  Entity is, for the purposes of Section 13(d) or 13(g) of the Exchange
Act, the beneficial  owner of any securities  covered by this Schedule 13D other
than the  securities  stated herein to be  beneficially  owned by such Reporting
Entity. The Reporting Entities  expressly disclaim  beneficial  ownership of any
Ordinary Shares beneficially owned by Apax.

         The Reporting Entities,  together,  and Apax each have a representative
on the Board of Directors of the Company.  These Directors  participate in Board
and committee meetings and in such capacity discuss the business of the Company.
In such capacity, on February 26, 1998, the Remuneration  Committee of the Board
of Directors  (comprised of such Directors and David Oertle, the Chief Executive
Officer of the Company) met and resolved to appoint  recruitment  consultants to
identify  two  individuals  to be  recommended  to the  Board  of  Directors  as
independent  non-executive  Directors.  Except as set forth herein, however, the
Reporting  Entities  and  Apax  have  no  obligations  to,  or  arrangements  or
understandings with, each other concerning the Company or the Ordinary Shares.

        *                              *                             *



                                  Page 8 of 14
<PAGE>

         Registration  Rights.  Pursuant to a Registration Rights Agreement (the
         ---------------------
"Registration  Rights  Agreement"),  dated  as of  February  27,  1997,  between
Ventures,  the  Company  and certain  other  holders of  Ordinary  Shares of the
Company,  including Apax (the "Other Holders"), the Company has granted Ventures
and the Other Holders certain rights to require the Company to register Ordinary
Shares  held  by  them  under  the  Securities  Act of  1933,  as  amended  (the
"Securities  Act").  The Company has agreed  that,  upon  request  from any such
holder,  subject to certain  conditions,  the Company  will file a  registration
statement  under the  Securities  Act to register  Ordinary  Shares held by such
holder,  subject  to a maximum of two  requests  per holder and a maximum of one
request in any six-month period. Subject to certain conditions,  the Company has
also granted each such holder the right to include their Ordinary  Shares in any
registration  statement  covering offerings of Ordinary Shares by the Company or
other holders.  The Registration Rights Agreement will terminate with respect to
each holder  upon the earlier of February  27, 2007 and such time as such holder
owns less than five percent of the  outstanding  Ordinary  Shares if such holder
can then sell Ordinary  Shares in the United States public market pursuant to an
exemption from the  registration  requirements of the Securities Act and without
regard to holding period, volume or manner-of sale limitations.

         The  foregoing  description  of the  Registration  Rights  Agreement is
qualified in its entirety by reference  to the  Registration  Rights  Agreement,
which  is  attached  hereto  as  Exhibit  10.1  and is  incorporated  herein  by
reference.

         The  Reporting  Entities  may  from  time  to time  acquire  additional
Ordinary  Shares or dispose of Ordinary  Shares through open market or privately
negotiated  transactions or otherwise,  depending on existing market  conditions
and other  considerations  discussed  below.  The Reporting  Entities  intend to
review their investment in the Company on a continuing basis and, depending upon
the price and availability of Ordinary Shares, subsequent developments affecting
the Company, the Company's business and prospects, other investment and business



                                  Page 9 of 14
<PAGE>

opportunities  available to the  Reporting  Entities,  general  stock market and
economic  conditions,  tax considerations and other factors considered relevant,
may  decide  at any  time not to  increase,  or to  decrease,  the size of their
investment in the Company.

         Except as set forth herein or in Item 6, none of the Reporting Entities
nor, to the best of their knowledge, any person listed in Schedule I hereto, has
any plans or proposals  which relate to or would result in: (a) the  acquisition
by any person of additional  securities of the Company,  or the  disposition  of
securities of the Company; (b) an extraordinary corporate transaction, such as a
merger,  reorganization  or  liquidation,  involving  the  Company or any of its
subsidiaries;  (c) a sale or  transfer  of a  material  amount  of assets of the
Company  or any of its  subsidiaries;  (d) any  change in the  present  Board of
Directors  or  management  of the Company,  including  any plans or proposals to
change the number or term of directors or to fill any existing  vacancies on the
board; (e) any material change in the present  capitalization or dividend policy
of the  Company;  (f) any other  material  change in the  Company's  business or
corporate  structure;  (g) changes in the Company's  Memorandum  and Articles of
Association  or  instruments  corresponding  thereto or other  actions which may
impede the  acquisition  of control of the Company by any person;  (h) causing a
class of  securities  of the Company to be delisted  from a national  securities
exchange or to cease to be authorized to be quoted in an inter-dealer  quotation
system of a registered  national securities  association;  (i) a class of equity
securities of the Company  becoming  eligible for  termination  of  registration
pursuant to Section  12(g)(4) of the Exchange Act; or (j) any action  similar to
any of those enumerated above.

ITEM 5.           INTEREST IN SECURITIES OF THE ISSUER.

         (a)  (i)  As  of  October  20,  1998,  Ventures   beneficially  owned
15,442,150  Ordinary Shares.  By reason of their respective  relationships  with
Ventures,  each of the  Reporting  Entities may be deemed under Rule 13d-3 under
the Exchange Act to own  beneficially  all of the Ordinary Shares which Ventures
beneficially  owns.  As  of  October  20,  1998,  15,442,150  


                                  Page 10 of 14
<PAGE>

Ordinary Shares represented approximately 12.3% of the Ordinary Shares, based on
125,614,075  Ordinary  Shares  outstanding  as of such date,  as reported to the
Reporting Entities by the Company.

                   (ii) Apax has informed the  Reporting  Entities  that,  as of
October 20,  1998, Apax is the beneficial  owner of 33,557,600 of the Ordinary
Shares,  representing  approximately 26.7% of the Ordinary Shares. The Reporting
Entities  and Apax may be deemed to have formed a "group"  within the meaning of
Section 13(d) of the Exchange Act. Apax has informed the Reporting Entities that
it  intends  to  file  a  separate  Schedule  13D.  By  virtue  of  the  limited
arrangements  between the  Reporting  Entities and Apax Funds  Nominees  Limited
described above, the Reporting Entities expressly disclaim beneficial  ownership
of any Ordinary Shares  beneficially  owned by Apax. The filing of this Schedule
13D shall not be construed as an admission that any Reporting Entity is, for the
purposes of Section 13(d) or 13(g) of the Exchange Act, the beneficial  owner of
any  securities  covered by this Schedule 13D other than the  securities  stated
herein to be beneficially owned by such Reporting Entity.

         (b) The  Reporting  Entities  together  share  the  power to vote or to
direct the vote,  and to dispose or to direct the  disposition  of the  Ordinary
Shares held by Ventures.

         (c) None of the Reporting Entities nor, to the best of their knowledge,
any person  listed in Schedule I hereto,  has effected any  transactions  in the
Ordinary Shares during the preceding 60 days.

         (d)  Except  as set forth in this  Item 5, no  person  other  than each
respective  record owner  referred to herein of  securities is known to have the
right to receive or the power to direct the receipt of  dividends  from,  or the
proceeds from the sale of, such securities.

         (e) Not applicable.

ITEM 6.            CONTRACTS,  ARRANGEMENTS,  UNDERSTANDINGS OR RELATIONSHIPS
                   WITH RESPECT TO SECURITIES OF THE ISSUER.

         Pursuant to Rule  13d-1(f)  promulgated  under the  Exchange  Act,  the
Reporting  Entities  have entered  into an  agreement  with 


                                  Page 11 of 14
<PAGE>

respect to the joint filing of this  schedule,  and any  amendment or amendments
hereto,  which  is being  filed  as  Exhibit  99.2 to this  Schedule  13D and is
incorporated herein by reference.

         The  information  set forth in Item 4 above is  incorporated  herein by
reference.

         Except as  described  herein and  incorporated  by  reference to Item 4
above,  there are no contracts,  arrangements,  understandings  or relationships
among the persons  named in Item 2 or between  such persons and any other person
with respect to any  securities of the Company.  

         By  virtue  of  the  relationships  among  the  Reporting  Entities  as
described in Item 2, the Reporting  Entities may be deemed to be a "group" under
the federal securities laws. Lionel I. Pincus disclaims any beneficial ownership
of the  Ordinary  Shares  reported  herein  as being  beneficially  owned by the
Reporting Entities.



                                  Page 12 of 14
<PAGE>



ITEM 7.           MATERIAL TO BE FILED AS EXHIBITS.

10.1               Registration Rights Agreement, dated as of February 27, 1997,
                   by and among the Company,  Ventures and certain other holders
                   of the Company's Ordinary Shares.

99.1               Requisition of Extraordinary  General Meeting,  dated October
                   12, 1998, from Ventures and Apax Funds Nominees Limited.

99.2               Joint Filing  Agreement,  dated  October  22,  1998, by and
                   among the Reporting Entities.


                                  Page 13 of 14
<PAGE>

                                   SIGNATURES

       After reasonable inquiry and to the best of our knowledge and belief, the
undersigned certify that the information set forth in this statement is true,
complete and correct.

Dated: October 22, 1998           WARBURG, PINCUS VENTURES, L.P.

                                    By: Warburg, Pincus & Co.,
                                        General Partner

                                    By:/s/Stephen Distler
                                       ----------------------------
                                       Stephen Distler
                                       Partner

Dated: October 22, 1998           WARBURG, PINCUS & CO.

                                    By:/s/ Stephen Distler
                                       ----------------------------
                                       Stephen Distler
                                       Partner

Dated: October 22, 1998           E.M. WARBURG, PINCUS & CO., LLC

                                    By:/s/ Stephen Distler
                                       ----------------------------
                                       Stephen Distler
                                       Member





                                  Page 14 of 14
<PAGE>


                                   SCHEDULE I

Set forth below is the name, position and present principal occupation of each
of the general partners of Warburg, Pincus & Co. ("WP") and each of the members
of E.M. Warburg, Pincus & Co., LLC ("EMW"). The sole general partner of Warburg,
Pincus Ventures, L.P. ("Ventures") is WP. WP, EMW and Ventures are hereinafter
collectively referred to as the "Reporting Entities." Except as otherwise
indicated, the business address of each of such persons is 466 Lexington Avenue,
New York, New York 10017, and each of such persons is a citizen of the United
States.

                             General Partners of WP
                             ----------------------

                                 Present Principal Occupation in 
                                  Addition to Position with WP, 
                                      and Positions with the
Name                                     Reporting Entities
- ----                             -------------------------------- 

Joel Ackerman                    Managing Director and Member, EMW

Susan Black                      Managing Director and Member, EMW

Christopher W. Brody             Managing Director and Member, EMW

Harold Brown                     Senior Managing Director and  Member, EMW

Errol M. Cook                    Managing Director and Member, EMW

W. Bowman Cutter                 Managing Director and Member, EMW

Elizabeth B. Dater               Managing Director and Member, EMW

Stephen Distler                  Managing Director, Member and Treasurer, EMW

Harold W. Ehrlich                Managing Director and Member, EMW

John L. Furth                    Vice Chairman of the Board and Member, EMW

Stewart K.P. Gross               Managing Director and Member, EMW

Patrick T. Hackett               Managing Director and Member, EMW

Jeffrey A. Harris                Managing Director and Member, EMW

William H. Janeway               Managing Director and Member, EMW

Douglas M. Karp                  Managing Director and Member, EMW

Charles R. Kaye                  Managing Director and Member, EMW

Henry Kressel                    Managing Director and Member, EMW



                                      S-1
<PAGE>





Joseph P. Landy                  Managing Director and Member, EMW

Sidney Lapidus                   Managing Director and Member, EMW

Kewsong Lee                      Managing Director and Member, EMW

Reuben S. Leibowitz              Managing Director and Member, EMW

S. Joshua Lewis                  Managing Director and Member, EMW

David E. Libowitz                Managing Director and Member, EMW

Brady T. Lipp                    Managing Director and Member, EMW

Stephen J. Lurito                Managing Director and Member, EMW

Spencer S. Marsh III             Managing Director and Member, EMW

Lynn S. Martin                   Managing Director and Member, EMW

Edward J. McKinley               Managing Director and Member, EMW

Rodman W. Moorhead III           Senior Managing Director and Member, EMW

Maryanne Mullarkey               Managing Director and Member, EMW

Howard H. Newman                 Managing Director and Member, EMW

Gary D. Nusbaum                  Managing Director and Member, EMW

Sharon B. Parente                Managing Director and Member, EMW

Dalip Pathak                     Managing Director and Member, EMW

Daphne D. Philipson              Managing Director and Member, EMW

Lionel I. Pincus                 Chairman of the Board, CEO, and Managing
                                 Member, EMW; and Managing Partner, Pincus & Co.

Eugene L. Podsiadlo              Managing Director and Member, EMW

Ernest H. Pomerantz              Managing Director and Member, EMW

Brian S. Posner                  Managing Director and Member, EMW

Arnold M. Reichman               Managing Director and Member, EMW

Roger Reinlieb                   Managing Director and Member, EMW

John D. Santoleri                Managing Director and Member, EMW

Steven G. Schneider              Managing Director and Member, EMW

Sheila N. Scott                  Managing Director and Member, EMW




                                      S-2
<PAGE>




Harold Sharon                    Managing Director and Member, EMW

Eugene J. Siembieda              Managing Director and Member, EMW

James E. Thomas                  Managing Director and Member, EMW

John L. Vogelstein               Vice Chairman of the Board and Member, EMW

Elizabeth H. Weatherman          Managing Director and Member, EMW

John A. Zaro, III                Managing Director and Member, EMW

Pincus & Co.*

NL & Co.**

- ---------------------

* New York limited partnership; its primary activity is ownership in WP and EMW.

**New York limited partnership; its primary activity is ownership in WP.




                                      S-3
<PAGE>




                                 Members of EMW
                                 --------------

                                 Present Principal Occupation in 
                                  Addition to Position with EMW, 
                                      and Positions with the
Name                                     Reporting Entities
- ----                             -------------------------------- 

Joel Ackerman                    Partner, WP

Susan Black                      Partner, WP

Christopher W. Brody             Partner, WP

Harold Brown                     Partner, WP

Dale C. Christensen(1)

Errol M. Cook                    Partner, WP

W. Bowman Cutter                 Partner, WP

Elizabeth B. Dater               Partner, WP

Stephen Distler                  Partner, WP

P. Nicholas Edwards(2)           Partner, WP

Harold W. Ehrlich                Partner, WP

John L. Furth                    Partner, WP

Stewart K.P. Gross               Partner, WP

Patrick T. Hackett               Partner, WP

Jeffrey A. Harris                Partner, WP

William H. Janeway               Partner, WP

Douglas M. Karp                  Partner, WP

Charles R. Kaye                  Partner, WP

Richard H. King(2)

Henry Kressel                    Partner, WP

Joseph P. Landy                  Partner, WP

Sidney Lapidus                   Partner, WP

Kewsong Lee                      Partner, WP

Reuben S. Leibowitz              Partner, WP

S. Joshua Lewis                  Partner, WP





                                      S-4
<PAGE>










David E. Libowitz                Partner, WP

Brady T. Lipp                    Partner, WP

Stephen J. Lurito                Partner, WP

John W. MacIntosh(1)

Spencer S. Marsh III             Partner, WP

Lynn S. Martin                   Partner, WP

Edward J. McKinley               Partner, WP

Rodman W. Moorhead III           Partner, WP

Maryanne Mullarkey               Partner, WP

Howard H. Newman                 Partner, WP

Gary D. Nusbaum                  Partner, WP

Sharon B. Parente                Partner, WP

Dalip Pathak                     Partner, WP

Daphne D. Philipson              Partner, WP

Lionel I. Pincus                 Managing Partner, WP; Chairman of the Board
                                 and CEO, EMW; Managing Partner, Pincus & Co.

Eugene L. Podsiadlo              Partner, WP

Ernest H. Pomerantz              Partner, WP

Brian S. Posner                  Partner, WP

Arnold M. Reichman               Partner, WP

Roger Reinlieb                   Partner, WP

John D. Santoleri                Partner, WP

Steven G. Schneider              Partner, WP

Sheila N. Scott                  Partner, WP

Harold Sharon                    Partner, WP


Dominic H. Shorthouse(2)

Eugene J. Siembieda              Partner, WP

Chang Q. Sun(3)

James E. Thomas                  Partner, WP





                                      S-5
<PAGE>









John L. Vogelstein               Partner, WP

Elizabeth H. Weathermen          Partner, WP

Jeremy S. Young(2)

John A. Zaro, III                Partner, WP

Pincus & Co.*

- ---------------------

(1)   Citizen of Canada
(2)   Citizen of United Kingdom
(3)   Citizen of People's Republic of China
*     New York limited partnership; its primary activity is ownership in WP.





                                      S-6
<PAGE>



                                  EXHIBIT INDEX

EXHIBIT NO.        TITLE

10.1               Registration Rights Agreement, dated as of February 27, 1997,
                   by and among the Company,  Ventures and certain other holders
                   of the Company's Ordinary Shares.

99.1               Requisition of Extraordinary  General Meeting,  dated October
                   12, 1998, from Ventures and Apax Funds Nominees Limited.

99.2               Joint Filing  Agreement,  dated  October  22,  1998, by and
                   among the Reporting Entities.






<PAGE>






                                                                    EXHIBIT 10.1
                                                                    ------------


                          REGISTRATION RIGHTS AGREEMENT

         REGISTRATION  RIGHTS  AGREEMENT,  dated as of  February  27, 1997 (this
"Agreement"), among Esprit Telecom Group plc, a public limited company organized
under the laws of  England  and  Wales  (the  "Company"),  Apax  Partners  & Co.
Ventures Ltd.  ("Apax  Partners") as managers of Apax Ventures IV  International
Partners,  L.P.,  Apax  Ventures IV, Apax UK V-A,  L.P.,  Apax UK V-B,  Warburg,
Pincus  Ventures,  L.P., a Delaware  limited  partnership  ("Warburg,  Pincus"),
Hancock International Private Equity Partners II - Direct Fund L.P. ("Hancock"),
Gold &  Appel  Transfer,  S.A.  ("Gold  &  Appel")  and  Abacus  (C.I.)  Limited
("Abacus"),  as  trustee of the Astro  Trust.  Each of Apax  Partners,  Warburg,
Pincus,   Hancock,  Gold  &  Appel  and  Abacus  is  referred  to  herein  as  a
"Shareholder."

         WHEREAS, the Company has determined that it is in the best interests of
the Company to offer Ordinary Shares, nominal value 1p per share, of the Company
(the "Ordinary  Shares") in the form of American  Depositary  Shares ("ADSs") in
the  United  States  (the  "Offering")  pursuant  to the  filing  of a Form  F-1
Registration  Statement  under the  United  States  Securities  Act of 1933,  as
amended (the "Securities Act"); and

         WHEREAS, the Company has determined that it is in the best interests of
the Company to enter into this  Agreement  with the  Shareholders  in connection
with the Offering.

         NOW,   THEREFORE,    in   consideration   of   the   mutual   promises,
representations,  warranties and conditions contained herein, the parties hereto
agree as follows:

                                   ARTICLE I.

                                   DEFINITIONS

         SECTION 1.01. As used in this Agreement, the following terms shall have
the following respective meanings:

                  "Commission"  shall  mean the  United  States  Securities  and
         Exchange  Commission,  or any other United States federal agency at the
         time  administering  the  Securities  Act or the  Exchange Act (defined
         below), as applicable, whichever is the relevant statute.

                  "Exchange  Act"  shall  mean  the  United  States   Securities
         Exchange Act of 1934, or any similar federal statute, and the rules and
         regulations  of the  Commission  thereunder,  all as the same  shall be
         amended from time to time.

                  "Holder"  shall mean each  Shareholder  or any  transferee  or
         assignee  thereof to whom the rights under this  Agreement are assigned
         in accordance with the provisions of Section 4.06 hereof.

                  "person" shall mean a corporation,  association,  partnership,
         organization,  group  (as such  term is used in Rule  13d-5  under  the
         Exchange   Act),   business,   individual,   government   or  political
         subdivision thereof, governmental agency or other entity.

                  "Registrable Shares" shall mean all Ordinary Shares held by or
         on behalf of a  Shareholder  from time to time.  For  purposes  of this
         Agreement,  any Registrable Shares shall cease to be Registrable Shares
         when (x) a registration statement covering such Registrable

<PAGE>


         Shares has been  declared  effective and such  Registrable  Shares have
         been disposed of pursuant to such effective  registration  statement or
         (y) such  Registrable  Shares are sold freely in the public market by a
         person in a  transaction  in which the rights under the  provisions  of
         this Agreement are not assigned.

                                   ARTICLE II.

                         REPRESENTATIONS AND WARRANTIES

         SECTION 2.01. Representations and Warranties of the Shareholders.  Each
Shareholder  severally  and not jointly  hereby  represents  and warrants to the
Company  that it has all  requisite  power and  authority,  and has received all
requisite  approvals  to complete the  transactions  contemplated  hereby;  this
Agreement has been duly  authorized,  executed and delivered by each Shareholder
and  constitutes  a  valid  and  binding  agreement  enforceable  against  it in
accordance with its terms.

         SECTION  2.02.  Representations  and  Warranties  of the  Company.  The
Company  represents  and  warrants  to each  Shareholder  that it has been  duly
incorporated as a public limited company under the laws of England and Wales and
that (i) it has all requisite  corporate  power and authority,  and has received
all  requisite  approvals  (including  any  necessary  approval  of its board of
directors)  to  complete  the  transactions  contemplated  hereby  and (ii) this
Agreement has been duly authorized, executed and delivered by it and constitutes
a valid and binding  agreement  enforceable  by each  Shareholder  against it in
accordance with its terms.

                                  ARTICLE III.

                 AGREEMENTS IN RESPECT OF THE REGISTRABLE SHARES

         SECTION 3.01.  Demand  Registrations.  Each Holder shall have the right
(the "Demand Right") on two (2) occasions during the term of this Agreement with
respect to such Holder to require the Company to file a  registration  statement
under the  Securities  Act in respect of all or some of the  Registrable  Shares
held by such  Holder  (but not less than a number  of  Registrable  Shares  that
represents at least 25% of the total number of  Registrable  Shares held by such
Holder at such time; provided,  however,  that if such Holder is exercising such
Demand  Right  together  with any other  Holders,  then such Demand Right may be
exercised if the  Registrable  Shares  subject to such  Holder's  Demand  Right,
together with all other shares  demanded by other  Holders,  shall exceed 10% of
the then outstanding Ordinary Shares of the Company).  Subject to the provisions
of subsection (b) below, as promptly as practicable,  but in no event later than
45 days after the Company  receives a written request from such Holder demanding
that the Company so register the number of Registrable  Shares specified in such
request,  the Company shall file with the Commission and thereafter use its best
efforts to cause to be declared effective  promptly a registration  statement (a
"Demand Registration")  providing for the registration of all Registrable Shares
as such Holder shall have demanded be  registered.  Holders may  distribute  the
Registrable Shares covered by such Demand Registration either by means of a firm
commitment  underwriting  or other  than by means of an  underwriting;  provided
that,  in the event of a  distribution  other than by means of an  underwriting,
such  distribution  may  only  be  made  following  the  effective  date  of the
registration  statement relating to such Demand  Registration and so long as the
registration statement remains effective in accordance with the terms of Section
3.03(a)  (iii) of this  Agreement.  All requests  made  pursuant to this Section
3.01(a) shall specify the amount of the Registrable  Shares to be registered and
the intended method of distribution of such Registrable Shares.


                                       -2-
<PAGE>

         (b) Anything in this  Agreement to the  contrary  notwithstanding,  the
Company  shall be  entitled  to  postpone  and  delay the  filing of any  Demand
Registration   until  the  earliest   practicable  time  at  which  such  Demand
Registration  can be  reasonably  effected if (i) the Company is  conducting  or
about to conduct an  underwritten  public  offering of  securities  in which the
Holder is entitled to join pursuant to Section 3.02 hereof,  (ii) the Company is
subject  to an  existing  contractual  obligation  not  to  engage  in a  public
offering,  (iii) the  financial  statements of the Company for the fiscal period
most recently ended prior to such written request are not yet available, or (iv)
the  Company  shall  determine  that  any such  filing  or the  offering  of any
Registrable  Shares  would  (x) in the  good  faith  judgment  of the  Board  of
Directors of the Company,  impede, delay or otherwise interfere with any pending
or  contemplated   acquisition,   corporate   reorganization  or  other  similar
transaction or financing related thereto  involving the Company,  (y) based upon
advice from the  Company's  investment  banker or financial  advisor,  adversely
affect any pending or  contemplated  offering or sale of any class of securities
by the Company,  or (z) require  disclosure  of material  nonpublic  information
which, if disclosed at such time,  would be materially  harmful to the interests
of the Company and its  shareholders.  In the event of a decision by the Company
to  postpone  or delay the filing of any Demand  Registration  pursuant  to this
Section  3.01(b),  the Company shall notify all Holders (i) of such decision and
(ii) upon the expiration of any such postponement or delay. After the expiration
of any such postponement or delay and without any further request from a Holder,
the Company  shall effect the filing of the  relevant  Demand  Registration  and
shall use its best efforts to cause any such Demand  Registration to be declared
effective as promptly as practicable unless such Holder shall have, prior to the
effective  date of such Demand  Registration,  withdrawn  in writing its initial
request,  in which case such  withdrawn  request  shall not  constitute a Demand
Registration  for purposes of determining the number of Demand  Registrations to
which such Holder is entitled to hereunder.

         (c) Notwithstanding anything contained in this Section 3.01:

                           (i)  the  Company  shall  not be  required  to file a
         registration statement within six (6) months of the effective date of a
         prior  registration  statement  filed as a result  of a  request  for a
         Demand  Registration  by such  Holder or within  six (6)  months of the
         effective date of a prior registration  statement  registering Ordinary
         Shares;

                           (ii) a Holder  shall  not be  entitled  to  request a
         Demand  Registration  until  after 180 days  after the  closing  of the
         Offering; and

                           (iii) no  request  for a Demand  Registration  may be
         made by a Holder during the pendency of any lock-up  period  imposed in
         connection with a public offering of securities of the Company,  except
         with the consent of the underwriters controlling the applicable lock-up
         agreement.

         (d)  Notwithstanding  anything  contained in this Section  3.01, if the
lead  underwriter  of an offering  involving a Demand  Registration  advises the
Holders  that  have  requested  such  registration  that  the  total  number  of
Registrable  Shares  that the  Holders  intend to  include  is such as (i) would
materially and adversely  affect the price of the Ordinary  Shares to be offered
or (ii) result in a greater  number of Ordinary  Shares  being  offered than the
market could  reasonably  absorb,  then the number of  Registrable  Shares to be
registered in the Demand  Registration shall be reduced to such number which, in
the  opinion  of such  underwriters,  can be sold  without  (y)  materially  and
adversely  affecting  the  price of the  Ordinary  Shares to be  offered  or (z)
resulting  in a greater  number of Ordinary  Shares  being  registered  than the
market could absorb. Such Registrable Shares to be included in such registration

                                       -3-
<PAGE>

shall be allocated  pro rata among all  requesting  Holders on the basis of the
relative number of securities  originally  requested to be registered by each of
them.

         (e) The  Company  shall be entitled to include  newly  issued  Ordinary
Shares  in  any  Demand  Registration;  provided,  however,  that  if  the  lead
underwriter of an offering involving a Demand  Registration  advises the Holders
that have requested such  registration  that the number of Ordinary  Shares that
the Company  intends to include in addition to the total  number of  Registrable
Shares that the Holders  intend to include is such as (i) would  materially  and
adversely  affect the price of the Ordinary  Shares to be offered or (ii) result
in a greater  number of Ordinary  Shares  being  offered  than the market  could
reasonably absorb,  then the Holders will promptly so advise the Company and may
require that the newly issued  Ordinary  Shares be reduced to such number which,
in the  opinion of such  underwriters,  when added to the number of  Registrable
Shares  that  the  Holders  intend  to be  included,  can be  sold  without  (y)
materially  and  adversely  affecting  the  price of the  Ordinary  Shares to be
offered or (z) resulting in a greater number of Ordinary Shares being registered
than the market could absorb.

         SECTION 3.02. Piggyback Registration. (a) If, at any time following the
date of the Offering and during the term of the  Agreement  with respect to each
Holder,  the  Company  proposes  to  file a  registration  statement  under  the
Securities  Act with respect to an offering of its  Ordinary  Shares (i) for its
own account  (other  than a  registration  statement  on Form S-4 or S-8 (or any
substitute form that may be adopted by the  Commission)) or (ii) for the account
of any  holders of its  Ordinary  Shares  (including  any  pursuant  to a Demand
Registration),  on a form and in a manner  that  would  permit  registration  of
Registrable  Shares for sale to the public under the Securities Act, the Company
shall give  written  notice of such  proposed  filing to each  Holder as soon as
practicable  (but in any  event  not less than 30 days  before  the  anticipated
filing  date),  and such  notice  shall  offer each  Holder the  opportunity  to
register such number of Registrable Shares as the Holder shall request. Upon the
written  direction of any Holder,  given within 20 days following the receipt by
such Holder of any such written notice (which direction shall specify the number
of Registrable  Shares  intended to be disposed of by such Holder),  the Company
shall include in such registration  statement (a "Piggyback  Registration"  and,
collectively  with a Demand  Registration,  a  "Registration")  such  number  of
Registrable Shares as shall be set forth in such notice.

         (b) Notwithstanding anything contained in this Section 3.02, if the
lead underwriter of an offering involving a Piggyback  Registration  advises the
Company that the inclusion of such  Registrable  Shares (i) would materially and
adversely  affect the price of the Ordinary  Shares to be offered or (ii) result
in a greater  amount of Ordinary  Shares  being  offered  than the market  could
reasonably  absorb,  then the number of  Registrable  Shares to be registered by
each party  requesting  Piggyback  Registration  shall be reduced  such that the
total  number of  Registrable  Shares being  registered  is not larger than such
number  which,  in the  opinion of such  underwriters,  can be sold  without (y)
materially  and  adversely  affecting  the  price of the  Ordinary  Shares to be
offered or (z) resulting in a greater number of Ordinary Shares being registered
than the market could  absorb.  Such  Registrable  Shares to be included in such
registration  shall be allocated  pro rata among all  requesting  Holders on the
basis of the relative number of securities originally requested to be registered
by each of them.  Nothing  contained  herein shall require the Company to reduce
the number of Ordinary Shares proposed to be issued by the Company.

         (c) No Piggyback Registration effected under this Section 3.02 shall be
deemed to have been  effected  pursuant to Section 3.01 hereof or shall  release
the Company of its obligations to effect any Demand Registration upon request as
provided under Section 3.01 hereof.

                                       -4-
<PAGE>
    
         (d) The Company  shall not be obligated to effect any  registration  of
Registrable   Shares  under  this  Section  3.02  that  is   incidental  to  the
registration   of  any  of  its  securities  in  connection   with  any  merger,
acquisition, exchange offer, dividend reinvestment plan or stock option or other
employee benefit plan.

         (e) Notwithstanding anything contained in this Section 3.02, if, at any
time after giving notice of its intention to register any of its  securities and
prior to the effective date of the  registration  statement  filed in connection
with such  registration,  the  Company  shall  determine  for any  reason not to
register such securities,  the Company may, at its election, give written notice
of such  determination  to the Holders  participating  in such  registration and
thereupon  the  Company  shall be  relieved of its  obligation  to register  any
Registrable  Shares  in  connection  with  such  registration  (but not from its
obligation to pay expenses  incurred in connection with such registration to the
extent provided in Section 3.05).

         (f) No Holder may participate in any underwritten registration pursuant
to Section  3.01 of this  Agreement  or this Section 3.02 unless such Holder (i)
agrees to sell such  Holder's  Registrable  Shares on the basis  provided in any
underwritten  arrangements  approved  by the  Company  and  (ii)  completes  and
executes  all  questionnaires,  powers of  attorney,  indemnities,  underwriting
agreements and other  documents  required  under the terms of such  underwriting
arrangements.

         SECTION 3.03.  Registration  Procedures.  (a) In  connection  with each
Registration,  and  in  accordance  with  the  intended  method  or  methods  of
distribution  of the  Ordinary  Shares as described  in such  Registration,  the
Company shall, as soon as reasonably  practicable (and, in any event, subject to
the terms of this  Agreement,  at or before the time required by applicable laws
and regulations):

                    (i) keep the Holders advised in writing as to the initiation
         of each Registration and as to the completion thereof;

                    (ii)  prepare and file with the  Commission  a  registration
         statement  on an  appropriate  form with  respect  to such  Registrable
         Shares and use its best efforts to cause such registration statement to
         become  effective  and  prepare  and  file  with  the  Commission  such
         amendments  and  supplements  to such  registration  statement  and the
         prospectus  used in connection  therewith as may be necessary to comply
         with  the  provisions  of  the  Securities  Act  with  respect  to  the
         disposition  of all  Registrable  Shares  covered by such  registration
         statement;

                    (iii) keep such  Registration  effective for a period of one
         hundred and twenty (120) days or until the Holders, as applicable, have
         completed  the  distribution  described in the  registration  statement
         relating thereto,  whichever first occurs; provided,  however, that (1)
         such 120-day period shall be extended for a period of time equal to the
         period  during which the Holders  refrain  from selling any  securities
         included  in such  Registration  at the  request of the Company and its
         underwriter;  and (2) in the case of any  registration  of  Registrable
         Shares on Form F-3 (or any applicable successor to such form) which are
         intended to be offered on a continuous or delayed  basis,  such 120-day
         period shall be extended  until all such  Registrable  Shares are sold,
         provided that Rule 415 under the Securities  Act, or any successor rule
         thereunder,  permits an offering on a continuous or delayed basis,  and
         provided  further  that  applicable  rules  under  the  Securities  Act
         governing the obligation to file a post-effective  amendment permit, in
         lieu of  filing a  post-effective  amendment  which  (y)  includes  any
         prospectus  required  by  Section  10(a) of the  Securities  Act or (z)
         reflects facts or events  representing a material or fundamental change
         in the information set forth in the registration

                                       -5-
<PAGE>

         statement, the incorporation by reference of information required to be
         included in (y) and (z) above to be contained in periodic reports filed
         pursuant to Section 12 or 15(d) of the Exchange Act in the registration
         statement;

                    (iv)   furnish  to  each   Holder   participating   in  such
         registration  such numbers of copies of the registration  statement and
         the prospectus included therein (including each preliminary  prospectus
         and any  amendments or  supplements  thereto),  in conformity  with the
         requirements  of the  Securities  Act  and  such  other  documents  and
         information  as  each  Holder  may  reasonably   request  in  order  to
         facilitate the sale or disposition of such Registrable Shares;

                    (v) use its  reasonable  best efforts to register or qualify
         the  Registrable  Shares covered by such  registration  statement under
         such other securities or blue sky laws of such jurisdiction  within the
         United States as shall be reasonably  appropriate for the  distribution
         of  the  Registrable  Shares  covered  by the  registration  statement;
         provided, however, that the Company shall not be required in connection
         therewith or as a condition  thereto to qualify to do business in or to
         file a general  consent  to  service  of  process  in any  jurisdiction
         wherein it would not but for the  requirements of this paragraph (d) be
         obligated to do so; and provided,  further,  that the Company shall not
         be required to qualify such  Registrable  Shares in any jurisdiction in
         which the securities regulatory authority of such jurisdiction requires
         that a Holder  participating  in such  registration  submit  any of its
         Registrable  Shares to the terms,  provisions and  restrictions  of any
         escrow,  lockup or similar agreement(s) for consent to sell Registrable
         Shares in such jurisdiction unless such Holder agrees to do so;

                    (vi)  promptly  notify  each  Holder  participating  in such
         registration,  (1) when a prospectus  or any  prospectus  supplement or
         amendment has been filed, and, with respect to a registration statement
         or any post-effective  amendment to a registration statement,  when the
         same has become  effective,  (2) of any request by the  Commission  for
         amendments  or  supplements  to a  registration  statement  or  related
         prospectus or for  additional  information or any receipt of Commission
         comments,  (3) of the  issuance  by the  Commission  of any stop  order
         suspending  the  effectiveness  of  a  registration  statement  or  the
         initiation of any proceedings for any such purpose,  (4) of the receipt
         by the Company of any  notification  with respect to the  suspension of
         the  qualification  of any of the  Registrable  Shares  for sale in any
         jurisdiction  or the initiation or threat of any  proceedings  for such
         purpose,  and  (5)  at  any  time  when a  prospectus  relating  to the
         Registrable  Shares is required to be  delivered  under the  Securities
         Act, of the happening of any event as a result of which the  prospectus
         included in such registration statement, as then in effect, includes an
         untrue statement of a material fact or omits to state any material fact
         required  to be stated  therein  or  necessary  to make the  statements
         therein not misleading in light of the  circumstances  under which they
         were made, and at the request of any such Holder  promptly  prepare and
         furnish to such Holder a reasonable number of copies of a supplement to
         or an amendment  of such  prospectus  as may be  necessary so that,  as
         thereafter  delivered  to  the  purchasers  of  such  securities,  such
         prospectus  shall not include an untrue statement of a material fact or
         omit to  state  a  material  fact  required  to be  stated  therein  or
         necessary to make the statements therein not misleading in light of the
         circumstances  under which they were made and shall otherwise comply in
         all material  respects with  applicable  law;  

                    (vii) use its  reasonable  best  efforts to furnish,  at the
         request  of  any  Holder  requesting  Registration,  if the  method  of
         distribution  is by means  of an  underwriting,  on the  date  that the
         Registrable  Shares are delivered to the underwriters for sale pursuant
         to such registration,  or if such Registrable Shares are not being sold
         through underwriters, on the date


                                       -6-
<PAGE>

         that the registration statement with respect to such Registrable Shares
         becomes  effective,  (1) a signed  opinion,  dated  such  date,  of the
         independent  legal counsel  representing the Company for the purpose of
         such registration,  addressed to the underwriters,  if any, and if such
         Registrable Shares are not being sold through underwriters, then to the
         Holders participating in such Registration,  as to such matters as such
         underwriters  or the  Holders  may  reasonably  request,  in  form  and
         substance  as would  customarily  be given  to  underwriters  in such a
         transaction and reasonably  satisfactory to a  majority-in-interest  of
         Holders participating in such Registration;  and (2) letters dated such
         date  and the  date  the  offering  is  priced,  from  the  independent
         certified  public   accountants  of  the  Company,   addressed  to  the
         underwriters, if any, and if such Registrable Shares are not being sold
         through  underwriters,  then  to  the  Holders  participating  in  such
         Registration and, if such accountants refuse to deliver such letters to
         such Holders pursuant to applicable accounting  standards,  then to the
         Company  (y)  stating  that  they  are  independent   certified  public
         accountants  within the meaning of the  Securities Act and that, in the
         opinion  of  such  accountants,  the  financial  statements  and  other
         financial data of the Company included in the registration statement or
         the prospectus,  or any amendment or supplement  thereto,  comply as to
         form  in  all  material   respects  with  the   applicable   accounting
         requirements  of  the  Securities  Act  and  (z)  covering  such  other
         financial  matters with respect to the registration in respect of which
         such letter is being given as such underwriters or the Holders,  as the
         case may be, may  reasonably  request,  in form and  substance as would
         customarily  be  given  to  underwriters  in  such  a  transaction  and
         reasonably  satisfactory  to  a  majority-in-interest  of  the  Holders
         participating in such Registration;

                           (viii) enter into customary agreements  (including if
         the  method  of  distribution  is by  means of an  underwritten  public
         offering,  an  underwriting  agreement in customary form) and take such
         other  actions  as are  reasonably  required  in order to  expedite  or
         facilitate the disposition of the Registrable  Shares to be so included
         in the registration statement;

                           (ix)  otherwise  use its best  efforts to comply with
         all  applicable  rules  and  regulations  of the  Commission,  and make
         available to its security holders,  as soon as reasonably  practicable,
         but not later than fifteen (15) months after the effective  date of the
         registration  statement, an earning statement covering the period of at
         least twelve (12) months  beginning with the first full month after the
         "effective  date" (as defined in Rule 158 under the Securities  Act) of
         the registration  statement,  which earning statement shall satisfy the
         provisions of Section 11(a) of the Securities Act; and

                           (x) use its best efforts to list such  securities  on
         each  securities  exchange  on which  Ordinary  Shares or ADSs are then
         listed,  if such  Registrable  Shares are not  already so listed and if
         such listing is then permitted under the rules of such exchange.

         (b) Each Holder requesting registration shall furnish to the Company in
writing  such  information  regarding  such  Holder and its  intended  method of
distribution  of the  Registrable  Shares as the  Company  may from time to time
reasonably  request  in  writing  and  as  shall  be  required  by law or by the
Commission  in  connection  therewith.  Such Holder  shall notify the Company as
promptly as practicable  of any  inaccuracy or change in information  previously
furnished by such Holder to the Company or of the  occurrence  of any event,  in
either  case as a result of which any  prospectus  relating  to the  Registrable
Shares  contains  or would  contain  an  untrue  statement  of a  material  fact
regarding such Holder or its intended method of distribution of such Registrable
Shares or omits to state any material fact regarding such Holder or its intended
method of distribution of such Registrable Shares

                                       -7-
<PAGE>

required to be stated therein or necessary to make the statements  therein,  in
the light of the circumstances  under which they were made, not misleading,  and
promptly furnish to the Company any additional  information  required to correct
and  update any  previously  furnished  information,  or  required  so that such
prospectus shall not contain, with respect to such Holder or the intended method
of  distribution of the Registrable  Shares,  an untrue  statement of a material
fact or omit to state a material fact required to be stated therein or necessary
to make the statements  therein,  in the light of the circumstances  under which
they were  made,  not  misleading  and shall  otherwise  comply in all  material
respects with applicable law.

         (c) Each Holder  participating in any registration  pursuant to Section
3.01 or 3.02 shall enter into customary  agreements  (including if the method of
distribution is by means of an  underwritten  public  offering,  an underwriting
agreement  in  customary  form) and take such other  actions  as are  reasonably
required in order to expedite or facilitate the  disposition of the  Registrable
Shares to be so included in the registration statement.

         (d) Each Holder  participating in any Registration  shall, upon receipt
of  notice  of  the  occurrence  of  any  of the  events  specified  in  Section
3.03(a)(vi)(2)-(5) hereof, forthwith discontinue disposition of such Registrable
Shares pursuant to the registration  statement  covering such Registrable Shares
until such  Holder's  receipt  of notice  from the  Company  that the use of the
applicable prospectus may be resumed or until such Holder's receipt of copies of
an amended or supplemented prospectus.

         SECTION 3.04.  Registration Expenses. (a) In the case of a registration
proposed by the Company  pursuant to which the Company is  registering  Ordinary
Shares for its own account, all expenses,  excluding underwriters' discounts and
commissions  and any  stamp or  transfer  tax or duty,  but  including,  without
limitation,  all registration,  filing and qualification  fees, word processing,
duplicating,  printers'  and  accounting  fees  (including  the  expenses of any
special  audits  or "cold  comfort"  letters  required  by or  incident  to such
performance  and  compliance),  fees of the National  Association  of Securities
Dealers,  Inc. or listing fees,  messenger and delivery  expenses,  all fees and
expenses  of  complying  with state  securities  or blue sky laws,  and fees and
disbursements  of counsel  for the  Company  incurred  in  connection  with each
registration  shall be paid by the Company.  In the case of such a registration,
each  Holder   participating  in  such  registration  shall  bear  and  pay  the
underwriting commissions and discounts and any stamp or transfer tax or duty and
the fees and  disbursements of counsel for such Holder  applicable to securities
offered for its account in connection with such registration.

         (b) In the case of a Demand  Registration,  each Holder  shall bear and
pay the underwriting  commissions and discounts and any stamp or transfer tax or
duty and the fees and  disbursements  of counsel for such Holder  applicable  to
securities  offered for its account in connection  with such  registration.  All
other  expenses,  including  without  limitation  all  registration,  filing and
qualification fees, word processing,  duplicating, printers' and accounting fees
(including the expenses of any special audits or "cold comfort" letters required
by or  incident  to such  performance  and  compliance),  fees  of the  National
Association of Securities Dealers,  Inc. or listing fees, messenger and delivery
expenses,  all fees and expenses of complying with state  securities or blue sky
laws  and  fees  and  disbursements  of  counsel  for the  Company  incurred  in
connection with each  registration  shall be paid by the Company and each Holder
participating  in such  registration  in  proportion to the number of securities
registered for the account of the Company and each Holder.

         SECTION 3.05. Indemnification; Contribution. (a) Indemnification by the
Company.  The  Company  shall,  and it  hereby  agrees  to,  indemnify  and hold
harmless, in the case of any Registration

                                       -8-
<PAGE>

registering  Registrable Shares of a Holder, such Holder, each of such Holder's
officers, directors and partners, and each person controlling such Holder within
the meaning of the Securities Act (each, a "Holder Indemnified Party"), and each
person who  participates  as a placement or sales agent or as an underwriter and
each  person  controlling  such agent or  underwriter  within the meaning of the
Securities  Act, in any  offering or sale of the  Registrable  Shares,  from and
against any losses, claims, damages or liabilities (or actions or proceedings in
respect thereof) joint or several to which such Holder Indemnified Party or such
agent or underwriter or controlling  person of such underwriter is or may become
subject,  insofar as such losses,  claims, damages or liabilities (or actions or
proceedings  in  respect  thereof)  arise  out of or are  based  upon an  untrue
statement  or alleged  untrue  statement  of a material  fact  contained  in any
registration  statement,  or  any  preliminary  or  final  prospectus  contained
therein, or any amendment or supplement thereto, or any document incorporated by
reference  therein,  or any other document incident  thereto,  including without
limitation,  documents  relating to  qualification or compliance with respect to
the securities  relating to the Registration  (collectively,  the  "Registration
Documents"),  or arise out of or are based upon the omission or alleged omission
to state therein a material  fact required to be stated  therein or necessary to
make the statements therein not misleading, or arise out of any violation by the
Company of the  Securities  Act or the  Exchange  Act or any rule or  regulation
thereunder applicable to the Company and relating to action or inaction required
of  the  Company  in  connection  with  such  Registration  (including,  without
limitation,  any  qualification  or compliance);  and the Company shall,  and it
hereby  agrees  to,  reimburse  each  such  Holder  Indemnified  Party or agent,
underwriter or  controlling  person of such  underwriter  for any legal or other
expenses  reasonably  incurred  by  them in  connection  with  investigating  or
defending any such loss, claim,  damage or liability (or action or proceeding in
respect  thereof) as such expenses are  incurred;  provided,  however,  that the
Company  shall not be liable to any such  person in any such case to the  extent
that any such loss,  claim,  damage or  liability  (or action or  proceeding  in
respect  thereof) arises out of or is based upon an untrue  statement or alleged
untrue statement or omission or alleged  omission made in any such  Registration
Document,  in reliance upon and in conformity with written information furnished
to the Company by such Holder  Indemnified  Party or any agent,  underwriter  or
controlling  person of such underwriter or other  representative  of such Holder
expressly for use therein,  or by such Holder's  failure to furnish the Company,
upon request, with the information with respect to such Holder Indemnified Party
or any agent,  underwriter  or controlling  person of such  underwriter or other
representative   of  such  Holder,  or  of  such  Holder's  intended  method  of
distribution,  that is the subject of the untrue statement or omission or if the
Company shall sustain the burden of proving that such Holder  Indemnified Person
or such  agent,  underwriter  or  controlling  person of such  underwriter  sold
securities  to the person  alleging  such loss,  claim,  damage or liability (or
action or proceeding in respect thereof) without sending or giving,  at or prior
to the written  confirmation  of such sale, a copy of the applicable  prospectus
(excluding any documents incorporated by reference therein) or of the applicable
prospectus,   as  then  amended  or   supplemented   (excluding   any  documents
incorporated  by  reference  therein) if the Company  had  previously  furnished
copies thereof to such Holder or such agent or underwriter,  and such prospectus
corrected  such untrue  statement  or alleged  untrue  statement  or omission or
alleged omission made in such Registration.  The  indemnification by the Company
pursuant  to this  Section  3.05(a)  shall  not  apply to the  extent  that such
indemnification is prohibited by Section 151 of the U.K. Companies Act.

         (b)  Indemnification by the Holder and Any Agent or Underwriters.  Each
Holder requesting or joining in a Registration,  if Registrable  Securities held
by it are  included  in the  Registration,  severally  and  not  jointly,  shall
indemnify and hold harmless (i) the Company, each of its directors and officers,
each  person,  if any,  who  controls  the  Company  within  the  meaning of the
Securities Act (each, a "Company  Indemnified  Party"),  (ii) each agent and any
underwriter for the Company or controlling  person of such  underwriter  (within
the meaning of the Securities Act) and (iii)


                                       -9-
<PAGE>
  
each  Holder  Indemnified  Party  against  any  losses,   claims,   damages  or
liabilities (or actions or proceedings in respect thereof), joint or several, to
which any such Company Indemnified Party, agent, underwriter, controlling person
of such  underwriter,  or such other Holder  Indemnified  Party is or may become
subject, under the Securities Act or otherwise,  insofar as such losses, claims,
damages or liabilities (or actions or proceedings in respect  thereof) arise out
of or are based upon an untrue  statement  or alleged  untrue  statement  of any
material fact contained in any such  Registration  Document,  or arise out of or
are based upon the omission or alleged omission to state therein a material fact
required to be stated  therein or necessary to make the  statements  therein not
misleading, in each case to the extent, but only to the extent, that such untrue
statement or alleged untrue  statement or omission or alleged  omission was made
in any  Registration  Document,  in reliance upon and in conformity with written
information  furnished  to the Company by or on behalf of such Holder  expressly
for use  therein;  and each  such  Holder  shall  reimburse  any  legal or other
expenses  reasonably  incurred  by such  Company  Indemnified  Party or any such
agent, underwriter, controlling person of such underwriter, or such other Holder
Indemnified Party in connection with investigating or defending any loss, claim,
damage or  liability  (or  actions or  proceedings  in respect  thereof) as such
expenses are incurred;  provided,  however,  that (i) the obligations of each of
the Holders hereunder shall be limited to an amount equal to the net proceeds to
such Holder of the securities sold in connection with such Registration and (ii)
no Holder  shall be liable to any such  person in any such case to the extent of
any such loss,  claim,  damage or liability  (or action or proceeding in respect
thereof),  if such Holder shall  sustain the burden of proving that such Company
Indemnified   Party,   agent  or  underwriter  or  controlling  person  of  such
underwriter,  or any other Holder  Indemnified  Party,  as the case may be, sold
securities  to the person  alleging  such loss,  claim,  damage or liability (or
action or proceeding in respect thereof), without sending or giving, at or prior
to the written  confirmation  of such sale, a copy of the applicable  prospectus
(excluding any documents  incorporated  by reference  therein) or the applicable
prospectus,   as  then  amended  or   supplemented   (excluding   any  documents
incorporated by reference  therein),  if such  prospectus  corrected such untrue
statement or alleged  untrue  statement or omission or alleged  omission made in
such Registration.

         (c) Notice of Claims,  Etc.  Promptly  after receipt by an  indemnified
party under  subsection  (a) or (b) above of notice of the  commencement  of any
action,  such  indemnified  party shall,  if a claim in respect thereof is to be
made against an indemnifying  party pursuant to the  indemnification  provisions
of, or as contemplated by, this Section 3.05,  notify the indemnifying  party in
writing  of  the  commencement  thereof;  but  the  omission  so to  notify  the
indemnifying  party shall not relieve it from any liability which it may have to
any  indemnified  party  otherwise than pursuant to such  provisions  unless the
indemnifying party is materially  prejudiced thereby. In case any such action or
proceeding  shall be brought against any  indemnified  party and it shall notify
the indemnifying party of the commencement thereof, the indemnifying party shall
be  permitted  to  participate  therein  and,  to the extent that it shall wish,
jointly with any other  indemnifying  party  similarly  notified,  to assume the
defense thereof, with counsel reasonably  satisfactory to such indemnified party
(which shall not, except with the consent of the  indemnified  party, be counsel
to the indemnifying  party),  and, after notice from the  indemnifying  party to
such  indemnified  party of its election so to assume the defense  thereof,  the
indemnifying  party shall not be liable to such indemnified  party for any legal
of other counsel or any other expenses,  in each case  subsequently  incurred by
such  indemnified  party,  in  connection  with the defense  thereof  other than
reasonable costs of investigation;  provided, however, that an indemnified party
may participate in such defense at such indemnified party's expense,  unless the
indemnified  party shall have reasonably  concluded that there may be a conflict
of interest  between the indemnifying  party and such indemnified  party in such
action,  in which case the fees and expenses of counsel  shall be at the expense
of the  indemnifying  party.  If the  indemnifying  party is not entitled to, or
elects not to,  assume the defense of a claim,  it will not be  obligated to pay
the fees and expenses of more than one

                                       -10-
<PAGE>

counsel (in addition to local counsel) for each indemnified  party with respect
to such claim. The  indemnifying  party will not be subject to any liability for
any settlement made without its consent, which consent shall not be unreasonably
withheld or delayed. No indemnifying party shall, without the written consent of
the indemnified party, effect the settlement or compromise of, or consent to the
entry of any judgment with respect to, any pending or threatened action or claim
in respect of which  indemnification  or contribution  may be sought unless such
settlement,  compromise or judgment (i) includes an unconditional release of the
indemnified  party from all  liability  arising  out of such action or claim and
(ii) does not include a statement as to or an admission of fault, culpability or
a failure to act, by or behalf of any indemnified party.

         (d) Contribution.  Each Holder requesting or joining in a Registration,
if Registrable  Securities held by it are included in the Registration;  and the
Company  agree  that  if,  for  any  reason,  the   indemnification   provisions
contemplated  by Section 3.05(a) or Section 3.05(b) hereof are unavailable to or
are insufficient to hold harmless an indemnified party in respect of any losses,
claims,  damages or liabilities  (or actions or proceedings in respect  thereof)
referred to therein, then each indemnifying party shall contribute to the amount
paid or payable by such  indemnified  party as a result of such losses,  claims,
damages or liabilities  (or actions or  proceedings in respect  thereof) in such
proportion  as is  appropriate  to reflect the  relative  fault of, and benefits
derived by, the  indemnifying  party and the  indemnified  party, as well as any
other relevant equitable considerations. The relative fault of such indemnifying
party and  indemnified  party shall be  determined  by reference to, among other
things,  whether the untrue or alleged  untrue  statement of a material  fact or
omission or alleged  omission to state a material  fact  relates to  information
supplied  by such  indemnifying  party  or by such  indemnified  party,  and the
parties'  relative intent,  knowledge,  access to information and opportunity to
correct or prevent such statement or omission.  The parties hereto agree that it
would  not be just and  equitable  if  contributions  pursuant  to this  Section
3.05(d) were determined by pro rata allocation (even if the Holder or any agents
for, or underwriters of, the Registrable Shares, or all of them, were treated as
one entity for such  purpose);  or by any other method of allocation  which does
not take  account of the  equitable  considerations  referred to in this Section
3.05(d).  The amount paid or payable by an indemnified  party as a result of the
losses,  claims,  damages or  liabilities  (or actions or proceedings in respect
thereof)  referred  to  above  shall  be  deemed  to  include  (subject  to  the
limitations  set forth in Section  3.05(c)  hereof) any legal or other  expenses
reasonably  incurred by such indemnified party in connection with  investigating
or  defending  any  such  action  or  claim.  No  person  guilty  of  fraudulent
misrepresentation  (within the meaning of Section 11(f) of the  Securities  Act)
shall be  entitled  to  contribution  from any person who was not guilty of such
fraudulent  misrepresentation.  Notwithstanding  the foregoing,  an indemnifying
party shall not be required to  contribute  under this  Section  3.05(d)  except
under such  circumstances  as such  indemnifying  party  would have been  liable
pursuant to Section  3.05(a) or (b) had such  indemnification  been  enforceable
under applicable law.

         (e)  Beneficiaries of  Indemnification.  The obligations of the Company
under  this  Section  3.05 shall be in  addition  to any  liability  that it may
otherwise  have and shall extend,  upon the same terms and  conditions,  to each
officer,  director  and  partner  of each  Holder  requesting  or  joining  in a
Registration,  if  Registrable  Securities  held  by  it  are  included  in  the
Registration;  and each agent and underwriter of the Registrable Shares and each
person, if any, who controls such Holder or any such agent or underwriter within
the meaning of the  Securities  Act; and the  obligations of such Holder and any
agents or underwriters contemplated by this Section 3.05 shall be in addition to
any  liability  that such  Holder or its  respective  agent or  underwriter  may
otherwise  have and shall extend,  upon the same terms and  conditions,  to each
officer and director of the Company (including any person who, with his consent,
is named in any  registration  statement  as about to become a  director  of the
Company) and to each person, if any, who controls the Company within the meaning
of the Securities Act.

                                       -11-
<PAGE>
      
         SECTION 3.06. Underwriters.  If any of the Registrable Shares are to be
sold pursuant to an underwritten  offering, the investment banker or bankers and
the  managing  underwriter  or  underwriters  thereof  shall be  selected by the
Company except in the case of a Demand Registration,  in which case the managing
underwriter or underwriters shall be selected by a  majority-in-interest  of the
Holders  requesting such  Registration  after  consultation with the Company and
taking into  account  the  Company's  reasonable  requests,  provided  that such
managing  underwriter  or  underwriters  must  be  of  recognized  international
standing.

         SECTION  3.07.  Lockups.  (a) Each Holder  participating  in any Demand
Registration  pursuant to Section 3.01 or Section 3.02,  or, in the event of any
registration  of the Company's  securities in which a Holder could  exercise its
rights to a Piggyback  Registration pursuant to Section 3.02 other than a Demand
Registration,  then  all  Holders,  upon  the  request  of  the  Company  or the
underwriters  managing any  underwritten  offering of the Company's  securities,
shall agree in writing not to effect any sale,  disposition or  distribution  of
any Registrable  Shares (other than that included in the  Registration)  without
the  prior  written  consent  of the  Company  or the  representatives  of  such
underwriters,  as the case may be,  for such a period  of time not to  exceed 90
days  from  the  effective  date  of such  registration  as the  Company  or the
underwriters may specify; provided, however, in connection with any registration
of the Company's securities other than a Demand Registration, no Holder shall be
obligated to enter into any such lock-up  agreement unless each of the directors
and executive  officers of the Company enter into a similar  lock-up  agreement;
provided,  further, that each Holder agrees not to effect any sale,  disposition
or  distribution  of any  Registrable  Shares  for 180 days from the date of the
prospectus relating to the Offering.

            (b) The Company shall,  if so required by the managing  underwriters
in connection  with an underwritten  offering of Registrable  Shares pursuant to
Section 3.01 or 3.02,  agree in writing not to effect any sale,  disposition  or
distribution  of  any  Ordinary  Shares  or  securities   convertible   into  or
exchangeable or exercisable for Ordinary Shares (other than that included in the
Registration)  without the prior written consent of the  representatives of such
underwriters  for such period of time not to exceed 180 days from the  effective
date of such registration as the underwriters may specify,  except in connection
with a stock option plan,  stock purchase  plan,  savings or similar plan, or an
acquisition, merger or exchange offer.

         SECTION 3.08.  Over-allotment  Options.  It is  understood  that in any
underwritten  offering  of  Registrable  Shares in  addition  to the shares (the
"initial shares") the underwriters have committed to purchase,  the underwriting
agreement  may  grant  the  underwriters  an  option  to  purchase  a number  of
additional shares (the "option shares") equal to up to 15% of the initial shares
(or such other maximum amount as the National Association of Securities Dealers,
Inc. may then permit),  solely to cover over-allotments,  if any. In the absence
of agreement to the contrary,  the number of initial shares and option shares to
be sold by the Company and the Holders  participating  in such offering shall be
allocated  pro rata among such  persons on the basis of the  relative  number of
Registrable   Shares  each  person  has   requested   to  be  included  in  such
registration.

         SECTION 3.09. Preparation; Reasonable Investigation. In connection with
the  preparation  and  filing  of  each   registration   statement   registering
Registrable  Shares under the Securities  Act, the Company will give each Holder
and its underwriters,  if any, and its counsel and accountants,  the opportunity
to  participate  in  the  preparation  of  such  registration  statement,   each
prospectus  included  therein or filed with the  Commission,  and each amendment
thereof or  supplement  thereto,  and will give it such  access to its books and
records and such  opportunities  to discuss the business of the Company with its
officers and the independent public accountants who have issued a report on its

                                       -12-
<PAGE>
         
financial  statements as shall be necessary,  in the opinion of such Holders and
such   underwriters  or  their  respective   counsel  to  conduct  a  reasonable
investigation within the meaning of the Securities Act.

         SECTION 3.10. Rule 144 Reporting.  With a view to making  available the
benefits of certain rules and regulations of the Commission which may permit the
sale of restricted  securities to the public without  registration,  the Company
agrees to:

         (a) make and keep  public  information  available  as those  terms  are
understood  and defined in Rule 144(c)  under the  Securities  Act, at all times
from and after ninety (90) days following the effective date of the registration
statement relating to the Offering;

         (b) use its best efforts to file with the Commission in a timely manner
all reports and other documents required of the Company under the Securities Act
and the Exchange Act at any time after it has become  subject to such  reporting
requirements; and

         (c) so long as a Holder owns any  Registrable  Shares,  furnish to such
Holder upon request a written statement by the Company as to its compliance with
the reporting  requirements  of Rule 144 (at any time from and after ninety (90)
days following the effective date of the registration  statement relating to the
Offering,  and of the  Securities Act and the Exchange Act (at any time after it
has become  subject to such reporting  requirements),  a copy of the most recent
annual or quarterly report of the Company,  and such other reports and documents
so filed as such Holder may reasonably request in availing itself of any rule or
regulation  of the  Commission  allowing the Holder to sell any such  securities
without registration.

         SECTION 3.11. Form F-3.  Following the Offering,  the Company shall use
its best efforts to qualify for registration on Form F-3.

                                   ARTICLE IV.

                                  MISCELLANEOUS

         SECTION  4.01.  Term  of  Agreement;  Termination.  The  term  of  this
Agreement  shall  commence on the date  hereof and such term and this  Agreement
shall  terminate  with respect to a Holder on the earlier of: (i) ten (10) years
from the date of this Agreement;  and (ii) when the  Registrable  Shares held by
such Holder no longer  constitute at least 5% of the Company's then  outstanding
Ordinary  Shares and if such Holder can then sell Ordinary  Shares in the United
States public market pursuant to an exemption from the registration requirements
of  the  Securities  Act  and  without  regard  to  holding  period,  volume  or
manner-of-sale limitations.

         SECTION 4.02. Specific  Performance and Other Equitable Rights. Each of
the parties hereto  recognizes and  acknowledges  that a breach by a party or by
any assignee  thereof of any  covenants or other  commitments  contained in this
Agreement  will cause the other  party to sustain  injury for which it would not
have an adequate remedy at law for money damages. Therefore, each of the parties
hereto agrees that in the event of any such breach, the aggrieved party shall be
entitled to the remedy of specific  performance of such covenants or commitments
and preliminary and permanent  injunctive and other equitable relief in addition
to any other  remedy to which it may be entitled,  at law or in equity,  and the
parties hereto hereby waive any  requirement  for the securing or posting of any
bond in connection  with the obtaining of any such injunctive or other equitable
relief.

                                       -13-
<PAGE>
     
         SECTION  4.03.  Notices.  All  notices,  requests,  demands  and  other
communications  hereunder shall be deemed to have been duly given and made if in
writing  and if  served  by  personal  delivery  upon the  party  for whom it is
intended or delivered by registered or certified mail, return receipt requested,
or  if  sent  by  telecopier,  upon  receipt  of  oral  confirmation  that  such
transmission has been received, to the person at the address set forth below, or
such  other  address as may be  designated  in  writing  hereafter,  in the same
manner, by such person:

         (a)      If to the Company, addressed as follows:

                           Esprit Telecom Group PLC
                           Minerva House
                           Valpy Street, Reading RG1 1AR
                           United Kingdom

                           Attention:  Roy Merritt
                           Telecopier:  44-118-951-4000

                  with copies to:

                           Shearman & Sterling
                           199 Bishopsgate
                           London EC2M 3TY  England

                           Attention:  Pamela M. Gibson
                           Telecopier:  44-171-920-9000

                           Rowe & Maw
                           20 Black Friars Lane
                           London EC4V 6HD  England

                           Attention:  Andrew Sharples
                           Telecopier:  44-171-782-8844

         (b) If to Apax Partners & Co. Ventures Ltd., addressed as follows:

                           Apax Partners & Co. Ventures Ltd.
                           15 Portland Place
                           London W1N 3AA  England

                           Attention:  Richard Wilson
                           Telecopier:  44-171-636-6475

         (c) If to Warburg, Pincus Ventures, L.P., addressed as follows:

                           E.M. Warburg, Pincus Co. International L.T.D.
                           Almack House
                           28 King Street
                           London SW1Y 6QW  England

                                       -14-
<PAGE>
                       
                           Attention:  Roberto Italia
                           Telecopier: 44-171-321-0881

                           with a copy to:

                           Wilkie Farr & Gallagher
                           35 Wilson Street
                           London  EC2M 2SJ

                           Attention:  William H. Gump
                           Telecopier:  44-171-417-9191

         (d) If to Hancock  International  Private  Equity  Partners II - Direct
Fund L.P., addressed as follows:

                           HVP Partners, L.L.C.
                           One Financial Center
                           44th Floor
                           Boston, MA 02311
                           USA

                           Attention:  William Johnston
                           Telecopier: (617) 350-0305

         (e) If to Gold and Appel Transfer, S.A. addressed as follows:

                           c/o Walter Anderson
                           2000 L. Street N.W., Suite 200
                           Washington D.C.  20036

                           Telecopier: (202) 736-5065

         (f) If to Abacus (C.I.) Limited, addressed as follows:

                           La Motte Chambers
                           Saint Helier
                           Jersey
                           Channel Islands  JE1 1BJ

                           Attention:  Annette Cabral
                           Telecopier:  44-1534 602002

or to such other  address as the relevant  party may from time to time advise by
notice in writing given  pursuant to this Section  4.03.  The date of receipt of
any such notice, request,  consent,  agreement or approval shall be deemed to be
the date of delivery  thereof (if delivered by hand),  on the third business day
following  mailing (if delivered by mail), or when transmitted to the telecopier
number specified in this Section 4.03 (if delivered by telecopier).

         SECTION   4.04.   Survival.   The  several   indemnities,   agreements,
representations, warranties and each other provision set forth in this Agreement
or made pursuant hereto shall remain in full force

                                       -15-
<PAGE>

and effect  regardless  of any  investigation  (or  statement as to the results
thereof) made by or on behalf of any party, any director,  officer or partner of
such party, or any controlling person of any of the foregoing, and shall survive
the  transfer  of  any  Registrable   Shares  by  each   Shareholder,   and  the
indemnification  and  contribution  provisions  set forth in Section 3.05 hereof
shall survive termination of this Agreement.

         SECTION  4.05.  Severability.  If any term or other  provision  of this
Agreement  is  invalid,  illegal or  incapable  of being  enforced by any law or
public  policy,   all  other  terms  and  provisions  of  this  Agreement  shall
nevertheless  remain in full force and effect so long as the  economic  or legal
substance of the transactions  contemplated hereby is not affected in any manner
materially  adverse to any party. Upon such determination that any term or other
provision is invalid, illegal or incapable of being enforced, the parties hereto
shall  negotiate  in good  faith to modify  this  Agreement  so as to effect the
original intent of the parties as closely as possible in an acceptable manner in
order that the  transactions  contemplated  hereby are consummated as originally
contemplated to the greatest extent possible.

         SECTION 4.06. Transfer of Registration  Rights. The registration rights
of each Shareholder in this Agreement with respect to any Registrable Shares may
be transferred to any person acquiring any of the Registrable Shares held by the
Holder;  provided,  however,  that the  Company  may deny the  transfer  of such
registration  rights in any such case if (i) such transfer  relates to a sale or
other transfer of all of the Registrable  Shares to a person who is a competitor
of the Company or its subsidiaries in the industry or (ii) any conditions in the
following  sentence  are not met.  Each  such  transfer  is  contingent  on such
Shareholder  or the  transferring  person  satisfying  the  following:  (i) each
Shareholder or  transferring  person shall have given the Company written notice
at or prior to the time of such  transfer  stating  the name and  address of the
transferee and identifying the securities with respect to which the rights under
this Agreement are being transferred;  (ii) such transferee shall have agreed in
writing,  in form and substance  reasonably  satisfactory to the Company,  to be
bound by the provisions of this Agreement;  and (iii) immediately following such
transfer the further  disposition of such securities by each transferee shall be
restricted  under the Securities Act.  Notwithstanding  the foregoing,  (x ) the
aggregate  number of Demand  Rights that can be  exercised  by any  Shareholder,
together with any subsequent Holder of Demand Rights that were initially held by
such Shareholder,  shall be limited to two; (y) the number of Demand Rights that
may be transferred by a Shareholder or any subsequent Holder shall be reduced by
one each time a Demand  Right is  exercised  pursuant  to  Section  3.01 by such
Shareholder or such subsequent  Holder;  and (z) a Shareholder or any subsequent
Holder may not include any of its Registrable Shares in a Piggyback Registration
pursuant to Section 3.02 if it has  transferred all of its Demand Rights but may
include its Registrable Shares in such a Piggyback  Registration so long as such
Shareholder  or Holder (1) holds one or two Demand Rights or (2) has exercised a
Demand Right pursuant to Section 3.01 of this Agreement.

         SECTION 4.07.  Successors  and Assigns.  Except as otherwise  expressly
provided  herein,  the terms and conditions of this Agreement shall inure to the
benefit of and be binding upon the respective  successors and permitted  assigns
of the parties hereto.  Except as expressly provided in this Agreement,  nothing
in this  Agreement,  express or  implied,  is intended to confer upon any person
other than the  parties  hereto or their  respective  successors  and  permitted
assigns any rights, remedies,  obligations, or liabilities under or by reason of
this Agreement.

         SECTION 4.08.  Governing Law. This  Agreement  shall be governed by and
construed in accordance with the laws of the State of New York.

                                       -16-
<PAGE>

         SECTION 4.09.  Entire  Agreement;  Amendments.  This  Agreement and the
other writings referred to herein or delivered pursuant hereto which form a part
hereof  contain the entire  understanding  of the parties with respect is to its
subject   matter.   This   Agreement   supersedes   all  prior   agreements  and
understandings  among the  parties  with  respect to its  subject  matter.  This
Agreement may be amended and the observance of any term of this Agreement may be
waived (either generally or in a particular instance and either retroactively or
prospectively)  only  by a  written  instrument  duly  executed  by  each of the
parties, which shall be binding on all of the parties.

         SECTION 4.10.  Counterparts.  This  Agreement may be executed in two or
more counterparts,  each of which shall be deemed an original,  but all of which
together shall constitute one and the same instrument.

         IN WITNESS WHEREOF,  the parties hereto have executed this Agreement as
of the date first above written.


                                              ESPRIT TELECOM GROUP PLC


                                              By:  /s/ Michael Potter
                                                  -------------------
                                                   Name: Michael Potter
                                                   Title: Director


                                              WARBURG, PINCUS VENTURES, L.P.


                                              BY:  Warburg, Pincus & Co.
                                                   its general partner


                                              By: /s/ Dominic Shorthouse
                                                   Name: Dominic Shorthouse
                                                   Title:


                                              APAX VENTURES IV INTERNATIONAL
                                              PARTNERS, L.P.

                                              APAX VENTURES IV APAX UK V-A, L.P


                                              APAX UK V-B


                                              BY: APAX PARTNERS & CO.  VENTURES 
                                                  LTD., as manager of Apax  
                                                  Ventures IV  International  
                                                  Partners, L.P., Apax Ventures 
                                                  IV, Apax UK V-A, L.P. and
                                                  Apax UK V-B



                                       -17-
<PAGE>
                                                           

                                               By:  /s/ J.P. McMonigall
                                                    Name: J.P. McMonigall
                                                    Title: Director


                                                  Apax Partners & Co. Ventures
                                                  Ltd. is executing this
                                                  Agreement   solely
                                                  as manager of Apax
                                                  Ventures  IV, Apax
                                                  Ventures        IV
                                                  International
                                                  Partners,    L.P.,
                                                  Apax UK V-A,  L.P.
                                                  and  Apax  UK  V-B
                                                  and     not     as
                                                  principal
                                                  hereunder


                                                  HANCOCK INTERNATIONAL PRIVATE 
                                                  EQUITY PARTNERS II -
                                                  DIRECT FUND L.P.



                                                  BY:  BACK BAY PARTNERS
                                                       XVI   L.P., as  general
                                                       partner  of Hancock
                                                       International Private
                                                       Equity Partners II
                                                       - Direct Fund L.P.


                                                  BY:  HVP PARTNERS, L.L.C., 
                                                       as managing general
                                                       partner of Back Bay 
                                                       Partners XVI L.P.


                                                  By:  /s/ William A. Johnston
                                                       Name: William A. Johnston
                                                       Title: Managing Director


                                                  GOLD AND APPEL TRANSFER, S.A.


                                                  By:  /s/ Walter Anderson
                                                       Name:   Walter Anderson
                                                       Title:  Attorney-in-Fact
                                                               and Secretary


                                                  ABACUS (C.I.) LIMITED

                                                  BY:    Michael Allen Potter


                                                  pursuant to a power of 
                                                  attorney granted by Abacus
                                                  (C.I.) Limited


                                                  By: /s/ Michael Allen Potter
                                                      Name: Michael Allen Potter



                                       -18-



                                             

<PAGE>






                                                                    EXHIBIT 99.1
                                                                    ------------

                 [LETTERHEAD OF APAX FUNDS NOMINEES LIMITED AND
                         WARBURG, PINCUS VENTURES, L.P.]

The Directors
Esprit Telecom Group PLC
Minerva House
Valpy Street
Reading
Berkshire RG1 1AR

                                                                 12 October 1998

Dear Sirs

Extraordinary General Meeting of
Esprit Telecom Group PLC (the "Company")

We,  the  undersigned,  are each  holders of  Ordinary  Shares of 1p each in the
Company  constituting,  as at the date of  deposit  of this  requisition  at the
registered office of the Company, not less than one-tenth of such of the paid-up
capital of the Company as carries the right of voting at general meetings of the
Company.

We  hereby  require  you  pursuant  to  Section  368 of the  Companies  Act 1985
forthwith to proceed to duly  convene an  Extraordinary  General  Meeting of the
Company  with the object of  considering  and,  if thought  fit,  approving  the
following resolution as an ordinary resolution, namely:

                                   RESOLUTION

"THAT Walter Anderson be removed from office as a director of the Company
with immediate effect."

We hereby give you special notice of our intention to move this resolution at
the relevant meeting.

Yours faithfully,

/s/  Apax Funds Nominees Limited

Yours faithfully,

/s/  Warburg, Pincus Ventures, L.P.




<PAGE>





                                                                    EXHIBIT 99.2
                                                                    ------------

                             JOINT FILING AGREEMENT

      The undersigned hereby agree that the statement on Schedule 13D with
respect to the Ordinary Shares of Esprit Telecom Group plc is, and any amendment
thereto signed by each of the undersigned shall be, filed on behalf of each
undersigned pursuant to and in accordance with the provisions of Rule 13d-1(f)
of the Securities Exchange Act of 1934, as amended.

Dated: October 22, 1998           WARBURG, PINCUS VENTURES, L.P.

                                    By: Warburg, Pincus & Co.,
                                        General Partner

                                    By:/s/ Stephen Distler
                                       ----------------------------
                                       Stephen Distler
                                       Partner

                                    WARBURG, PINCUS & CO.

                                    By:/s/ Stephen Distler
                                       ----------------------------
                                       Stephen Distler
                                       Partner

                                    E.M. WARBURG, PINCUS & CO., LLC

                                    By:/s/ Stephen Distler
                                       ----------------------------
                                       Stephen Distler
                                       Member







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