UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE 13D/A UNDER THE SECURITIES EXCHANGE ACT OF 1934 (AMENDMENT NO. 3) ARCH CAPITAL GROUP LTD. -------------------------------------------------------------------------------- (Name of Issuer) COMMOM SHARES, PAR VALUE $0.01 PER SHARE -------------------------------------------------------------------------------- (Title of Class of Securities) 011576290 -------------------------------------------------------------------------------- (CUSIP Number) -------------------------------------------------------------------------------- SCOTT A. ARENARE, ESQ. WARBURG PINCUS LLC 466 LEXINGTON AVENUE NEW YORK, NY 10017 (212) 878-0600 -------------------------------------------------------------------------------- (Name, Address and Telephone Number of Person Authorized to Receive Notices and Communications) WITH A COPY TO: -------------------------------------------------------------------------------- ANDREW R. BROWNSTEIN, ESQ. WACHTELL, LIPTON, ROSEN & KATZ 51 WEST 52ND STREET NEW YORK, NY 10019 (212) 403-1000 May 3, 2006 -------------------------------------------------------------------------------- (Date of Event Which Requires Filing of This Statement) 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 ss.ss. 240.13d-1(e), 240.13d-1(f) or 240.13d-1(g), check the following box: [_]. Page 1 of 14 Pages ----------------------- ---------------------- CUSIP No. 011576290 SCHEDULE 13D Page 2 of 14 Pages ----------------------- ---------------------- -------------------------------------------------------------------------------- 1 NAME OF REPORTING PERSON I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS Warburg Pincus (Bermuda) Private Equity VIII, L.P. I.R.S. IDENTIFICATION NO. 13-4194502 -------------------------------------------------------------------------------- 2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (a) |_| (b) |X| -------------------------------------------------------------------------------- 3 SEC USE ONLY |_| -------------------------------------------------------------------------------- 4 SOURCE OF FUNDS WC -------------------------------------------------------------------------------- 5 CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEMS 2(d) OR 2(e) |_| -------------------------------------------------------------------------------- 6 CITIZENSHIP OR PLACE OF ORGANIZATION BERMUDA -------------------------------------------------------------------------------- 7 SOLE VOTING POWER 9,439,403 NUMBER OF ------------------------------------------------------------------ 8 SHARES SHARED VOTING POWER -0- BENEFICIALLY ------------------------------------------------------------------ 9 OWNED BY SOLE DISPOSITIVE POWER 9,439,403 EACH ------------------------------------------------------------------ 10 REPORTING SHARED DISPOSITIVE POWER -0- PERSON WITH -------------------------------------------------------------------------------- 11 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 9,439,403 -------------------------------------------------------------------------------- 12 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES |_| -------------------------------------------------------------------------------- 13 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11) 12.8% -------------------------------------------------------------------------------- 14 TYPE OF REPORTING PERSON PN -------------------------------------------------------------------------------- ----------------------- ---------------------- CUSIP No. 011576290 SCHEDULE 13D Page 3 of 14 Pages ----------------------- ---------------------- -------------------------------------------------------------------------------- 1 NAME OF REPORTING PERSON I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS Warburg Pincus (Bermuda) International Partners, L.P. I.R.S. IDENTIFICATION NO. 13-4194501 -------------------------------------------------------------------------------- 2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (a) |_| (b) |X| -------------------------------------------------------------------------------- 3 SEC USE ONLY |_| -------------------------------------------------------------------------------- 4 SOURCE OF FUNDS WC -------------------------------------------------------------------------------- 5 CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEMS 2(d) OR 2(e) |_| -------------------------------------------------------------------------------- 6 CITIZENSHIP OR PLACE OF ORGANIZATION BERMUDA -------------------------------------------------------------------------------- 7 SOLE VOTING POWER 9,065,034 NUMBER OF ------------------------------------------------------------------ 8 SHARES SHARED VOTING POWER -0- BENEFICIALLY ------------------------------------------------------------------ 9 OWNED BY SOLE DISPOSITIVE POWER 9,065,034 EACH ------------------------------------------------------------------ 10 REPORTING SHARED DISPOSITIVE POWER -0- PERSON WITH -------------------------------------------------------------------------------- 11 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 9,065,034 -------------------------------------------------------------------------------- 12 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES |_| -------------------------------------------------------------------------------- 13 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11) 12.3% -------------------------------------------------------------------------------- 14 TYPE OF REPORTING PERSON PN -------------------------------------------------------------------------------- ----------------------- ---------------------- CUSIP No. 011576290 SCHEDULE 13D Page 4 of 14 Pages ----------------------- ---------------------- -------------------------------------------------------------------------------- 1 NAME OF REPORTING PERSON I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS Warburg Pincus Netherlands International Partners I, C.V. I.R.S. IDENTIFICATION NO. 13-4133834 -------------------------------------------------------------------------------- 2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (a) |_| (b) |X| -------------------------------------------------------------------------------- 3 SEC USE ONLY |_| -------------------------------------------------------------------------------- 4 SOURCE OF FUNDS WC -------------------------------------------------------------------------------- 5 CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEMS 2(d) OR 2(e) |_| -------------------------------------------------------------------------------- 6 CITIZENSHIP OR PLACE OF ORGANIZATION THE NETHERLANDS -------------------------------------------------------------------------------- 7 SOLE VOTING POWER 377,708 NUMBER OF ------------------------------------------------------------------ 8 SHARES SHARED VOTING POWER -0- BENEFICIALLY ------------------------------------------------------------------ 9 OWNED BY SOLE DISPOSITIVE POWER 377,708 EACH ------------------------------------------------------------------ 10 REPORTING SHARED DISPOSITIVE POWER -0- PERSON WITH -------------------------------------------------------------------------------- 11 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 377,708 -------------------------------------------------------------------------------- 12 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES |_| -------------------------------------------------------------------------------- 13 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11) Less than 1%. -------------------------------------------------------------------------------- 14 TYPE OF REPORTING PERSON PN -------------------------------------------------------------------------------- ----------------------- ---------------------- CUSIP No. 011576290 SCHEDULE 13D Page 5 of 14 Pages ----------------------- ---------------------- -------------------------------------------------------------------------------- 1 NAME OF REPORTING PERSON I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS Warburg Pincus Netherlands International Partners II, C.V. I.R.S. IDENTIFICATION NO. 13-41333841 -------------------------------------------------------------------------------- 2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (a) |_| (b) |X| -------------------------------------------------------------------------------- 3 SEC USE ONLY |_| -------------------------------------------------------------------------------- 4 SOURCE OF FUNDS WC -------------------------------------------------------------------------------- 5 CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEMS 2(d) OR 2(e) |_| -------------------------------------------------------------------------------- 6 CITIZENSHIP OR PLACE OF ORGANIZATION THE NETHERLANDS -------------------------------------------------------------------------------- 7 SOLE VOTING POWER -0- NUMBER OF ------------------------------------------------------------------ 8 SHARES SHARED VOTING POWER -0- BENEFICIALLY ------------------------------------------------------------------ 9 OWNED BY SOLE DISPOSITIVE POWER -0- EACH ------------------------------------------------------------------ 10 REPORTING SHARED DISPOSITIVE POWER -0- PERSON WITH -------------------------------------------------------------------------------- 11 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON -0- -------------------------------------------------------------------------------- 12 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES |_| -------------------------------------------------------------------------------- 13 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11) 0.0% -------------------------------------------------------------------------------- 14 TYPE OF REPORTING PERSON PN -------------------------------------------------------------------------------- ----------------------- ---------------------- CUSIP No. 011576290 SCHEDULE 13D Page 6 of 14 Pages ----------------------- ---------------------- -------------------------------------------------------------------------------- 1 NAME OF REPORTING PERSON I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS Warburg Pincus (Bermuda) Private Equity Ltd. I.R.S. IDENTIFICATION NO. 01-0569187 -------------------------------------------------------------------------------- 2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (a) |_| (b) |X| -------------------------------------------------------------------------------- 3 SEC USE ONLY |_| -------------------------------------------------------------------------------- 4 SOURCE OF FUNDS WC -------------------------------------------------------------------------------- 5 CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEMS 2(d) OR 2(e) |_| -------------------------------------------------------------------------------- 6 CITIZENSHIP OR PLACE OF ORGANIZATION BERMUDA -------------------------------------------------------------------------------- 7 SOLE VOTING POWER 9,439,403 NUMBER OF ------------------------------------------------------------------ 8 SHARES SHARED VOTING POWER -0- BENEFICIALLY ------------------------------------------------------------------ 9 OWNED BY SOLE DISPOSITIVE POWER 9,439,403 EACH ------------------------------------------------------------------ 10 REPORTING SHARED DISPOSITIVE POWER -0- PERSON WITH -------------------------------------------------------------------------------- 11 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 9,439,403 -------------------------------------------------------------------------------- 12 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES |_| -------------------------------------------------------------------------------- 13 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11) 12.8% -------------------------------------------------------------------------------- 14 TYPE OF REPORTING PERSON CO -------------------------------------------------------------------------------- ----------------------- ---------------------- CUSIP No. 011576290 SCHEDULE 13D Page 7 of 14 Pages ----------------------- ---------------------- -------------------------------------------------------------------------------- 1 NAME OF REPORTING PERSON I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS Warburg Pincus (Bermuda) International Ltd. I.R.S. IDENTIFICATION NO. 01-0569166 -------------------------------------------------------------------------------- 2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (a) |_| (b) |X| -------------------------------------------------------------------------------- 3 SEC USE ONLY |_| -------------------------------------------------------------------------------- 4 SOURCE OF FUNDS WC -------------------------------------------------------------------------------- 5 CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEMS 2(d) OR 2(e) |_| -------------------------------------------------------------------------------- 6 CITIZENSHIP OR PLACE OF ORGANIZATION BERMUDA -------------------------------------------------------------------------------- 7 SOLE VOTING POWER 9,065,034 NUMBER OF ------------------------------------------------------------------ 8 SHARES SHARED VOTING POWER -0- BENEFICIALLY ------------------------------------------------------------------ 9 OWNED BY SOLE DISPOSITIVE POWER 9,065,034 EACH ------------------------------------------------------------------ 10 REPORTING SHARED DISPOSITIVE POWER -0- PERSON WITH -------------------------------------------------------------------------------- 11 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 9,065,034 -------------------------------------------------------------------------------- 12 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES |_| -------------------------------------------------------------------------------- 13 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11) 12.3% -------------------------------------------------------------------------------- 14 TYPE OF REPORTING PERSON CO -------------------------------------------------------------------------------- ----------------------- ---------------------- CUSIP No. 011576290 SCHEDULE 13D Page 8 of 14 Pages ----------------------- ---------------------- -------------------------------------------------------------------------------- 1 NAME OF REPORTING PERSON I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS Warburg, Pincus & CO. I.R.S. IDENTIFICATION NO. 13-6358475 -------------------------------------------------------------------------------- 2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (a) |_| (b) |X| -------------------------------------------------------------------------------- 3 SEC USE ONLY |_| -------------------------------------------------------------------------------- 4 SOURCE OF FUNDS WC -------------------------------------------------------------------------------- 5 CHECK BOX 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 377,708 NUMBER OF ------------------------------------------------------------------ 8 SHARES SHARED VOTING POWER -0- BENEFICIALLY ------------------------------------------------------------------ 9 OWNED BY SOLE DISPOSITIVE POWER 377,708 EACH ------------------------------------------------------------------ 10 REPORTING SHARED DISPOSITIVE POWER -0- PERSON WITH -------------------------------------------------------------------------------- 11 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 377,708 -------------------------------------------------------------------------------- 12 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES |_| -------------------------------------------------------------------------------- 13 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11) Less than 1%. -------------------------------------------------------------------------------- 14 TYPE OF REPORTING PERSON CO -------------------------------------------------------------------------------- ----------------------- ---------------------- CUSIP No. 011576290 SCHEDULE 13D Page 9 of 14 Pages ----------------------- ---------------------- -------------------------------------------------------------------------------- 1 NAME OF REPORTING PERSON I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS Warburg Pincus Partners, LLC I.R.S. IDENTIFICATION NO. 13-4069737 -------------------------------------------------------------------------------- 2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (a) |_| (b) |X| -------------------------------------------------------------------------------- 3 SEC USE ONLY |_| -------------------------------------------------------------------------------- 4 SOURCE OF FUNDS WC -------------------------------------------------------------------------------- 5 CHECK BOX 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 377,708 NUMBER OF ------------------------------------------------------------------ 8 SHARES SHARED VOTING POWER -0- BENEFICIALLY ------------------------------------------------------------------ 9 OWNED BY SOLE DISPOSITIVE POWER 377,708 EACH ------------------------------------------------------------------ 10 REPORTING SHARED DISPOSITIVE POWER -0- PERSON WITH -------------------------------------------------------------------------------- 11 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 377,708 -------------------------------------------------------------------------------- 12 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES |_| -------------------------------------------------------------------------------- 13 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11) Less than 1%. -------------------------------------------------------------------------------- 14 TYPE OF REPORTING PERSON CO -------------------------------------------------------------------------------- ----------------------- ---------------------- CUSIP No. 011576290 SCHEDULE 13D Page 10 of 14 Pages ----------------------- ---------------------- -------------------------------------------------------------------------------- 1 NAME OF REPORTING PERSON I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS Warburg Pincus LLC I.R.S. IDENTIFICATION NO. 13-3536050 -------------------------------------------------------------------------------- 2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (a) |_| (b) |X| -------------------------------------------------------------------------------- 3 SEC USE ONLY |_| -------------------------------------------------------------------------------- 4 SOURCE OF FUNDS WC -------------------------------------------------------------------------------- 5 CHECK BOX 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 18,882,145 NUMBER OF ------------------------------------------------------------------ 8 SHARES SHARED VOTING POWER -0- BENEFICIALLY ------------------------------------------------------------------ 9 OWNED BY SOLE DISPOSITIVE POWER 18,882,145 EACH ------------------------------------------------------------------ 10 REPORTING SHARED DISPOSITIVE POWER -0- PERSON WITH -------------------------------------------------------------------------------- 11 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 18,882,145 -------------------------------------------------------------------------------- 12 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES |_| -------------------------------------------------------------------------------- 13 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11) 25.6% -------------------------------------------------------------------------------- 14 TYPE OF REPORTING PERSON OO -------------------------------------------------------------------------------- ----------------------- ---------------------- CUSIP No. 011576290 SCHEDULE 13D Page 11 of 14 Pages ----------------------- ---------------------- Reference is made to the Statement on Schedule 13D filed on November 20, 2001, as amended by Amendment No. 1 thereto filed September 20, 2002 and Amendment No. 2 thereto filed December 18, 2002 (as so amended, the "Schedule 13D"), on behalf of Warburg Pincus (Bermuda) Private Equity VIII, L.P., a limited partnership organized under the laws of Bermuda ("WP VIII Bermuda"), Warburg Pincus (Bermuda) International Partners, L.P., a limited partnership organized under the laws of Bermuda ("WPIP Bermuda"), Warburg Pincus Netherlands International Partners I, C.V., a limited partnership organized under the laws of The Netherlands ("WPIP Netherlands I"), Warburg Pincus Netherlands International Partners II, C.V., a limited partnership organized under the laws of The Netherlands ("WPIP Netherlands II", and together with WP VIII Bermuda, WPIP Bermuda and WPIP Netherlands I, the "Investors"), Warburg Pincus (Bermuda) Private Equity Ltd., a company organized under the laws of Bermuda ("WP VIII Bermuda Ltd."), Warburg Pincus (Bermuda) International Ltd., a company organized under the laws of Bermuda ("WPIP Bermuda Ltd."), Warburg, Pincus & Co., a New York general partnership ("WP"), Warburg Pincus LLC, a New York limited liability company ("WP LLC"), and Warburg Pincus Partners, LLC, a New York limited liability company ("WPP LLC"). Charles R. Kaye and Joseph P. Landy are Managing Partners of WP and Managing Members and Co-Presidents of WP LLC and may be deemed to control the Warburg Pincus entities. The Investors, together with WP VIII Bermuda Ltd., WPIP Bermuda Ltd., WP, WP LLC and WPP LLC, are referred to herein as the "Reporting Persons". All capitalized terms used without definition in this Amendment No. 3 to Schedule 13D shall have the meanings set forth in the Schedule 13D. This Amendment No. 3 to Schedule 13D amends the Schedule 13D as follows. ITEM 5. Interest in Securities of the Issuer. ------------------------------------------------ Item 5 of the Schedule 13D is hereby amended and supplemented by adding the following: Effective as of December 31, 2004, WPIP Netherlands II assigned all its assets and liabilites to WPIP Netherlands I and WPIP Netherlands I became the beneficial owner of the Common Shares of the Company theretofore beneficially owned by WPIP Netherlands II. On December 30, 2005, the Reporting Persons converted an aggregate of 20,906,560 Series A Convertible Preference Shares of the Company into an equal number of Common Shares of the Company. On May 3, 2006, the Reporting Persons distributed an aggregate of 4,028,333 Common Shares of the Company to their limited and general partners. As of May 5, 2006, the Investors collectively beneficially owned an aggregate of 18,882,145 Common Shares which represent approximately 25.6% of the outstanding Common Shares based on 73,822,670 Common Shares outstanding as of March 14, 2006. By reason of its relationship with the Investors, under Rule 13d-3 under the Exchange Act, WP may be deemed to beneficially own all of the Common Shares that are beneficially owned by WPIP Netherlands I and WP LLC may be deemed to own beneficially all of the Common Shares that are beneficially owned by the Investors. ----------------------- ---------------------- CUSIP No. 011576290 SCHEDULE 13D Page 12 of 14 Pages ----------------------- ---------------------- Each Investor exercises voting power and dispositive power over its holdings of such shares through its respective general partner, which, in turn, acts through its respective general partner. ----------------------- ---------------------- CUSIP No. 011576290 SCHEDULE 13D Page 13 of 14 Pages ----------------------- ---------------------- 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: May 5, 2006 WARBURG PINCUS (BERMUDA) PRIVATE EQUITY VIII, L.P. By: Warburg Pincus (Bermuda) Private Equity Ltd., Its General Partner By: /s/ Scott A. Arenare -------------------------------------------- Name: Scott A. Arenare Title: Authorized Signatory WARBURG PINCUS (BERMUDA) INTERNATIONAL PARTNERS, L.P. By: Warburg Pincus (Bermuda) International Ltd., Its General Partner By: /s/ Scott A. Arenare -------------------------------------------- Name: Scott A. Arenare Title: Authorized Signatory WARBURG PINCUS NETHERLANDS INTERNATIONAL PARTNERS I, C.V. By: Warburg, Pincus & Co., General Partner By: /s/ Scott A. Arenare -------------------------------------------- Name: Scott A. Arenare Title: Partner ----------------------- ---------------------- CUSIP No. 011576290 SCHEDULE 13D Page 14 of 14 Pages ----------------------- ---------------------- WARBURG PINCUS NETHERLANDS INTERNATIONAL PARTNERS II, C.V. By: Warburg, Pincus & Co., General Partner By: /s/ Scott A. Arenare -------------------------------------------- Name: Scott A. Arenare Title: Partner WARBURG PINCUS (BERMUDA) PRIVATE EQUITY LTD. By: /s/ Scott A. Arenare -------------------------------------------- Name: Scott A. Arenare Title: Authorized Signatory WARBURG PINCUS (BERMUDA) INTERNATIONAL LTD. By: /s/ Scott A. Arenare -------------------------------------------- Name: Scott A. Arenare Title: Authorized Signatory WARBURG, PINCUS & CO. By: /s/ Scott A. Arenare -------------------------------------------- Name: Scott A. Arenare Title: Partner WARBURG, PINCUS PARTNERS LLC By: /s/ Scott A. Arenare -------------------------------------------- Name: Scott A. Arenare Title: Managing Director WARBURG PINCUS LLC By: /s/ Scott A. Arenare -------------------------------------------- Name: Scott A. Arenare Title: Managing Director