-----BEGIN PRIVACY-ENHANCED MESSAGE----- Proc-Type: 2001,MIC-CLEAR Originator-Name: webmaster@www.sec.gov Originator-Key-Asymmetric: MFgwCgYEVQgBAQICAf8DSgAwRwJAW2sNKK9AVtBzYZmr6aGjlWyK3XmZv3dTINen TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB MIC-Info: RSA-MD5,RSA, NjZ6JWtlvFhIa6Lqdin1rIBvZVqgz0odhi0p8OC35Hg27dVizebRgqSA3np3jyiN QPsiHkbQCtMHILaRPv+y5A== 0000902664-06-000538.txt : 20060213 0000902664-06-000538.hdr.sgml : 20060213 20060213162131 ACCESSION NUMBER: 0000902664-06-000538 CONFORMED SUBMISSION TYPE: SC 13G/A PUBLIC DOCUMENT COUNT: 1 FILED AS OF DATE: 20060213 DATE AS OF CHANGE: 20060213 SUBJECT COMPANY: COMPANY DATA: COMPANY CONFORMED NAME: VIROPHARMA INC CENTRAL INDEX KEY: 0000946840 STANDARD INDUSTRIAL CLASSIFICATION: PHARMACEUTICAL PREPARATIONS [2834] IRS NUMBER: 232789550 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: SC 13G/A SEC ACT: 1934 Act SEC FILE NUMBER: 005-48239 FILM NUMBER: 06603947 BUSINESS ADDRESS: STREET 1: 397 EAGLEVIEW BLVD CITY: EXTON STATE: PA ZIP: 19341 BUSINESS PHONE: 6104587300 MAIL ADDRESS: STREET 1: 397 EAGLEVIEW BOULEVARD CITY: EXTON STATE: PA ZIP: 19341 FILED BY: COMPANY DATA: COMPANY CONFORMED NAME: HIGHBRIDGE CAPITAL CORP CENTRAL INDEX KEY: 0000931921 IRS NUMBER: 000000000 STATE OF INCORPORATION: E9 FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: SC 13G/A BUSINESS ADDRESS: STREET 1: THE CAYMAN CORPORATE CENTRE, 4TH FLOOR STREET 2: 27 HOSPITAL ROAD CITY: GRAND CAYMAN ISLANDS STATE: E9 ZIP: 00000 BUSINESS PHONE: 3459451400 MAIL ADDRESS: STREET 1: HIGHBRIDGE CAPITAL CORPORATION STREET 2: P.O. BOX 30554, SEVEN MILE BEACH CITY: GRAND CAYMAN STATE: E9 ZIP: 00000 SC 13G/A 1 sc13ga.txt HIGHBRIDGE CAPITAL CORPORATION UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 ------------------- SCHEDULE 13G/A Under the Securities Exchange Act of 1934 (Amendment No. 1)* ViroPharma Incorporated (Name of Issuer) Common Stock, par value $0.002 per share (Title of Class of Securities) 928241108 (CUSIP Number) December 31, 2005 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate the rule pursuant to which this Schedule is filed: [ ] Rule 13d-1(b) [X] Rule 13d-1(c) [ ] Rule 13d-1(d) - ---------------- * The remainder of this cover page shall be filled out for a reporting person's initial filing on this form with respect to the subject class of securities, and for any subsequent amendment containing information which would alter the disclosures provided in a prior cover page. The information required in the remainder of this cover page shall not be deemed to be "filed" for purposes of Section 18 of the Securities Exchange Act of 1934 ("Act") or otherwise subject to the liabilities of that section of the Act but shall be subject to all other provisions of the Act (however, see the Notes). CUSIP No. 928241108 13G/A Page 2 of 16 (1) NAMES OF REPORTING PERSONS I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS (ENTITIES ONLY) Highbridge Capital Corporation - -------------------------------------------------------------------------------- (2) CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP ** (a) [X] (b) [ ] - -------------------------------------------------------------------------------- (3) SEC USE ONLY - -------------------------------------------------------------------------------- (4) CITIZENSHIP OR PLACE OF ORGANIZATION Cayman Islands, British West Indies - -------------------------------------------------------------------------------- NUMBER OF (5) SOLE VOTING POWER -0- SHARES --------------------------------------------------------------- BENEFICIALLY (6) SHARED VOTING POWER 358,409 shares of Common Stock OWNED BY See Item 4(a). --------------------------------------------------------------- EACH (7) SOLE DISPOSITIVE POWER -0- REPORTING --------------------------------------------------------------- (8) SHARED DISPOSITIVE POWER PERSON WITH 358,409 shares of Common Stock. --------------------------------------------------------------- (9) AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 358,409 shares of Common Stock. - -------------------------------------------------------------------------------- (10) CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES ** [ ] - -------------------------------------------------------------------------------- (11) PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) 0.6% (See Item 4(b)). - -------------------------------------------------------------------------------- (12) TYPE OF REPORTING PERSON OO - -------------------------------------------------------------------------------- CUSIP No. 928241108 13G/A Page 3 of 16 (1) NAMES OF REPORTING PERSONS I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS (ENTITIES ONLY) Highbridge International LLC - -------------------------------------------------------------------------------- (2) CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP ** (a) [X] (b) [ ] - -------------------------------------------------------------------------------- (3) SEC USE ONLY - -------------------------------------------------------------------------------- (4) CITIZENSHIP OR PLACE OF ORGANIZATION Cayman Islands, British West Indies - -------------------------------------------------------------------------------- NUMBER OF (5) SOLE VOTING POWER -0- SHARES --------------------------------------------------------------- BENEFICIALLY (6) SHARED VOTING POWER 358,409 shares of Common Stock OWNED BY See Item 4(a). --------------------------------------------------------------- EACH (7) SOLE DISPOSITIVE POWER -0- REPORTING --------------------------------------------------------------- (8) SHARED DISPOSITIVE POWER PERSON WITH 358,409 shares of Common Stock. --------------------------------------------------------------- (9) AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 358,409 shares of Common Stock. - -------------------------------------------------------------------------------- (10) CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES ** [ ] - -------------------------------------------------------------------------------- (11) PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) 0.6% (See Item 4(b)). - -------------------------------------------------------------------------------- (12) TYPE OF REPORTING PERSON OO- Limited Liability Company - -------------------------------------------------------------------------------- CUSIP No. 928241108 13G/A Page 4 of 16 (1) NAMES OF REPORTING PERSONS I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS (ENTITIES ONLY) Highbridge Capital Management, LLC 20-1901985 - -------------------------------------------------------------------------------- (2) CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP ** (a) [X] (b) [ ] - -------------------------------------------------------------------------------- (3) SEC USE ONLY - -------------------------------------------------------------------------------- (4) CITIZENSHIP OR PLACE OF ORGANIZATION State of Delaware - -------------------------------------------------------------------------------- NUMBER OF (5) SOLE VOTING POWER -0- SHARES --------------------------------------------------------------- BENEFICIALLY (6) SHARED VOTING POWER 358,409 shares of Common Stock OWNED BY See Item 4(a). --------------------------------------------------------------- EACH (7) SOLE DISPOSITIVE POWER -0- REPORTING --------------------------------------------------------------- (8) SHARED DISPOSITIVE POWER PERSON WITH 358,409 shares of Common Stock. --------------------------------------------------------------- (9) AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 358,409 shares of Common Stock. - -------------------------------------------------------------------------------- (10) CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES ** [ ] - -------------------------------------------------------------------------------- (11) PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) 0.6% (See Item 4(b)). - -------------------------------------------------------------------------------- (12) TYPE OF REPORTING PERSON OO- Limited Liability Company - -------------------------------------------------------------------------------- CUSIP No. 928241108 13G/A Page 5 of 16 (1) NAMES OF REPORTING PERSONS I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS (ENTITIES ONLY) Highbridge Master L.P. - -------------------------------------------------------------------------------- (2) CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP ** (a) [X] (b) [ ] - -------------------------------------------------------------------------------- (3) SEC USE ONLY - -------------------------------------------------------------------------------- (4) CITIZENSHIP OR PLACE OF ORGANIZATION Cayman Islands, British West Indies - -------------------------------------------------------------------------------- NUMBER OF (5) SOLE VOTING POWER -0- SHARES --------------------------------------------------------------- BENEFICIALLY (6) SHARED VOTING POWER 358,409 shares of Common Stock OWNED BY See Item 4(a). --------------------------------------------------------------- EACH (7) SOLE DISPOSITIVE POWER -0- REPORTING --------------------------------------------------------------- (8) SHARED DISPOSITIVE POWER PERSON WITH 358,409 shares of Common Stock. --------------------------------------------------------------- (9) AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 358,409 shares of Common Stock. - -------------------------------------------------------------------------------- (10) CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES ** [ ] - -------------------------------------------------------------------------------- (11) PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) 0.6% (See Item 4(b)). - -------------------------------------------------------------------------------- (12) TYPE OF REPORTING PERSON PN-Partnership - -------------------------------------------------------------------------------- CUSIP No. 928241108 13G/A Page 6 of 16 (1) NAMES OF REPORTING PERSONS I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS (ENTITIES ONLY) Highbridge Capital L.P. - -------------------------------------------------------------------------------- (2) CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP ** (a) [X] (b) [ ] - -------------------------------------------------------------------------------- (3) SEC USE ONLY - -------------------------------------------------------------------------------- (4) CITIZENSHIP OR PLACE OF ORGANIZATION State of Delaware - -------------------------------------------------------------------------------- NUMBER OF (5) SOLE VOTING POWER -0- SHARES --------------------------------------------------------------- BENEFICIALLY (6) SHARED VOTING POWER 358,409 shares of Common Stock OWNED BY See Item 4(a). --------------------------------------------------------------- EACH (7) SOLE DISPOSITIVE POWER -0- REPORTING --------------------------------------------------------------- (8) SHARED DISPOSITIVE POWER PERSON WITH 358,409 shares of Common Stock. --------------------------------------------------------------- (9) AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 358,409 shares of Common Stock. - -------------------------------------------------------------------------------- (10) CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES ** [ ] - -------------------------------------------------------------------------------- (11) PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) 0.6% (See Item 4(b)). - -------------------------------------------------------------------------------- (12) TYPE OF REPORTING PERSON PN-Partnership - -------------------------------------------------------------------------------- CUSIP No. 928241108 13G/A Page 7 of 16 (1) NAMES OF REPORTING PERSONS I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS (ENTITIES ONLY) Highbridge GP, Ltd. - -------------------------------------------------------------------------------- (2) CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP ** (a) [X] (b) [ ] - -------------------------------------------------------------------------------- (3) SEC USE ONLY - -------------------------------------------------------------------------------- (4) CITIZENSHIP OR PLACE OF ORGANIZATION Cayman Islands, British West Indies - -------------------------------------------------------------------------------- NUMBER OF (5) SOLE VOTING POWER -0- SHARES --------------------------------------------------------------- BENEFICIALLY (6) SHARED VOTING POWER 358,409 shares of Common Stock OWNED BY See Item 4(a). --------------------------------------------------------------- EACH (7) SOLE DISPOSITIVE POWER -0- REPORTING --------------------------------------------------------------- (8) SHARED DISPOSITIVE POWER PERSON WITH 358,409 shares of Common Stock. --------------------------------------------------------------- (9) AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 358,409 shares of Common Stock. - -------------------------------------------------------------------------------- (10) CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES ** [ ] - -------------------------------------------------------------------------------- (11) PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) 0.6% (See Item 4(b)). - -------------------------------------------------------------------------------- (12) TYPE OF REPORTING PERSON OO- Limited Liability Company - -------------------------------------------------------------------------------- CUSIP No. 928241108 13G/A Page 8 of 16 (1) NAMES OF REPORTING PERSONS I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS (ENTITIES ONLY) Highbridge GP, LLC - -------------------------------------------------------------------------------- (2) CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP ** (a) [X] (b) [ ] - -------------------------------------------------------------------------------- (3) SEC USE ONLY - -------------------------------------------------------------------------------- (4) CITIZENSHIP OR PLACE OF ORGANIZATION State of Delaware - -------------------------------------------------------------------------------- NUMBER OF (5) SOLE VOTING POWER -0- SHARES --------------------------------------------------------------- BENEFICIALLY (6) SHARED VOTING POWER 358,409 shares of Common Stock OWNED BY See Item 4(a). --------------------------------------------------------------- EACH (7) SOLE DISPOSITIVE POWER -0- REPORTING --------------------------------------------------------------- (8) SHARED DISPOSITIVE POWER PERSON WITH 358,409 shares of Common Stock. --------------------------------------------------------------- (9) AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 358,409 shares of Common Stock. - -------------------------------------------------------------------------------- (10) CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES ** [ ] - -------------------------------------------------------------------------------- (11) PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) 0.6% (See Item 4(b)). - -------------------------------------------------------------------------------- (12) TYPE OF REPORTING PERSON OO- Limited Liability Company - -------------------------------------------------------------------------------- CUSIP No. 928241108 13G/A Page 9 of 16 (1) NAMES OF REPORTING PERSONS I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS (ENTITIES ONLY) Glenn Dubin - -------------------------------------------------------------------------------- (2) CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP ** (a) [X] (b) [ ] - -------------------------------------------------------------------------------- (3) SEC USE ONLY - -------------------------------------------------------------------------------- (4) CITIZENSHIP OR PLACE OF ORGANIZATION United States - -------------------------------------------------------------------------------- NUMBER OF (5) SOLE VOTING POWER -0- SHARES --------------------------------------------------------------- BENEFICIALLY (6) SHARED VOTING POWER 358,409 shares of Common Stock OWNED BY See Item 4(a). --------------------------------------------------------------- EACH (7) SOLE DISPOSITIVE POWER -0- REPORTING --------------------------------------------------------------- (8) SHARED DISPOSITIVE POWER PERSON WITH 358,409 shares of Common Stock. --------------------------------------------------------------- (9) AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 358,409 shares of Common Stock. - -------------------------------------------------------------------------------- (10) CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES ** [ ] - -------------------------------------------------------------------------------- (11) PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) 0.6% (See Item 4(b)). - -------------------------------------------------------------------------------- (12) TYPE OF REPORTING PERSON IN - -------------------------------------------------------------------------------- CUSIP No. 928241108 13G/A Page 10 of 16 (1) NAMES OF REPORTING PERSONS I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS (ENTITIES ONLY) Henry Swieca - -------------------------------------------------------------------------------- (2) CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP ** (a) [X] (b) [ ] - -------------------------------------------------------------------------------- (3) SEC USE ONLY - -------------------------------------------------------------------------------- (4) CITIZENSHIP OR PLACE OF ORGANIZATION United States - -------------------------------------------------------------------------------- NUMBER OF (5) SOLE VOTING POWER -0- SHARES --------------------------------------------------------------- BENEFICIALLY (6) SHARED VOTING POWER 358,409 shares of Common Stock OWNED BY See Item 4(a). --------------------------------------------------------------- EACH (7) SOLE DISPOSITIVE POWER -0- REPORTING --------------------------------------------------------------- (8) SHARED DISPOSITIVE POWER PERSON WITH 358,409 shares of Common Stock. --------------------------------------------------------------- (9) AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 358,409 shares of Common Stock. - -------------------------------------------------------------------------------- (10) CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES ** [ ] - -------------------------------------------------------------------------------- (11) PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) 0.6% (See Item 4(b)). - -------------------------------------------------------------------------------- (12) TYPE OF REPORTING PERSON IN - -------------------------------------------------------------------------------- CUSIP No. 928241108 13G/A Page 11 of 16 This Amendment No. 1 (this "Amendment") amends the statement on Schedule 13G filed on February 1, 2005 (as amended, the "Schedule 13G") with respect to shares of common stock (the "Common Stock") of ViroPharma Incorporated, a Delaware corporation (the "Company"). Capitalized terms used herein and not otherwise defined in this Amendment have the meanings set forth in the Schedule 13G. This Amendment amends and restates items 2(a), 2(b), 2(c), 4 and 5 in their entirety as set forth below. Item 2(a). Name of Person Filing Item 2(b). Address of Principal Business Office Item 2(c). Citizenship Highbridge International LLC The Cayman Corporate Centre, 4th Floor 27 Hospital Road Grand Cayman, Cayman Islands, British West Indies Citizenship: Cayman Islands, British West Indies Highbridge Capital Corporation The Cayman Corporate Centre, 4th Floor 27 Hospital Road Grand Cayman, Cayman Islands, British West Indies Citizenship: Cayman Islands, British West Indies Highbridge Capital Management, LLC 9 West 57th Street, 27th Floor New York, New York 10019 Citizenship: State of Delaware Highbridge Master L.P. c/o Harmonic Fund Services Cayman Financial Centre Tower C 36 Dr. Roy's Drive George Town, Grand Cayman Cayman Islands, British West Indies Citizenship: Cayman Islands, British West Indies Highbridge Capital L.P. c/o Highbridge Capital Management, LLC 9 West 57th Street, 27th Floor New York, New York 10019 Citizenship: State of Delaware Highbridge GP, Ltd. c/o Harmonic Fund Services Cayman Financial Centre Tower C 36 Dr. Roy's Drive George Town, Grand Cayman Cayman Islands, British West Indies Citizenship: Cayman Islands, British West Indies Highbridge GP, LLC c/o Harmonic Fund Services Cayman Financial Centre Tower C 36 Dr. Roy's Drive CUSIP No. 928241108 13G/A Page 12 of 16 George Town, Grand Cayman Cayman Islands, British West Indies Citizenship: Cayman Islands, British West Indies Glenn Dubin c/o Highbridge Capital Management, LLC 9 West 57th Street, 27th Floor New York, New York 10019 Citizenship: United States Henry Swieca c/o Highbridge Capital Management, LLC 9 West 57th Street, 27th Floor New York, New York 10019 Citizenship: United States Item 4. Ownership (a) Amount beneficially owned As of the date of this Statement, each Reporting Person may be deemed the beneficial owner of 358,409 shares of Common Stock held by Highbridge International LLC. Highbridge International LLC is a subsidiary of Highbridge Master L.P. Highbridge Capital Corporation and Highbridge Capital L.P. are limited partners of Highbridge Master L.P. Highbridge GP, Ltd. is the General Partner of Highbridge Master L.P. Highbridge GP, LLC is the General Partner of Highbridge Capital L.P. Highbridge Capital Management, LLC is the trading manager of Highbridge Capital Corporation, Highbridge Capital L.P. and Highbridge Master L.P. Glenn Dubin is a Co-Chief Executive Officer of Highbridge Capital Management, LLC. Henry Swieca is a Co-Chief Executive Officer of Highbridge Capital Management, LLC. The foregoing should not be construed in and of itself as an admission by any Reporting Person as to beneficial ownership of shares of Common Stock owned by another Reporting Person. In addition, each of Highbridge Master L.P., Highbridge Capital Corporation, Highbridge Capital L.P., Highbridge GP, Ltd., Highbridge GP, LLC, Highbridge Capital Management, LLC, Glenn Dubin and Henry Swieca disclaims beneficial ownership of shares of Common Stock owned by Highbridge International LLC. (b) Percent of class The Company's quarterly report that was filed on Form 10-Q that was filed on November 8, 2005, indicates there were 57,941,140 shares of Common Stock outstanding as of November 1, 2005. Therefore, based on the Company's outstanding shares of Common Stock issued by the Company, the Reporting Persons may be deemed to beneficially own approximately 0.6% of the outstanding shares of Common Stock of the Company. The foregoing should not be construed in and of itself as an admission by any Reporting Person as to beneficial ownership of shares of Common Stock owned by another Reporting Person. (c) Number of shares as to which such person has: (i) Sole power to vote or to direct the vote 0 (ii) Shared power to vote or to direct the vote 358,409 shares of Common Stock. (iii) Sole power to dispose or to direct the disposition of 0 (iv) Shared power to dispose or to direct the disposition of 358,409 shares of Common Stock. CUSIP No. 928241108 13G/A Page 13 of 16 Item 5. Ownership of Five Percent or Less of a Class If this statement is being filed to report the fact that as of the date hereof the reporting person has ceased to be the beneficial owner of more than five percent of the class of securities, check the following: [x] CUSIP No. 928241108 13G/A Page 14 of 16 SIGNATURE After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct. Dated February 13, 2006 HIGHBRIDGE INTERNATIONAL LLC HIGHBRIDGE CAPITAL CORPORATION By: /s/ Howard Feitelberg By: /s/ Howard Feitelberg ------------------------- --------------------------- Name: Howard Feitelberg Name: Howard Feitelberg Title: Director Title: Controller HIGHBRIDGE CAPITAL MANAGEMENT, LLC HIGHBRIDGE GP, LTD. By: /s/ Carolyn Rubin By: /s/ Clive Harris ------------------------- --------------------------- Name: Carolyn Rubin Name: Clive Harris Title: Deputy General Counsel Title: Director HIGHBRIDGE MASTER L.P. HIGHBRIDGE GP, LLC By: Highbridge GP, Ltd. By: /s/ Clive Harris its General Partner --------------------------- Name: Clive Harris Title: Director By: /s/ Clive Harris - ----------------------------- Name: Clive Harris Title: Director HIGHBRIDGE CAPITAL L.P. /s/ Henry Swieca By: Highbridge GP, LLC ------------------------------- its General Partner HENRY SWIECA By: /s/ Clive Harris - ----------------------------- Name: Clive Harris Title: Director /s/ Glenn Dubin - ----------------------------- GLENN DUBIN CUSIP No. 928241108 13G/A Page 15 of 16 EXHIBIT I JOINT FILING AGREEMENT This will confirm the agreement by and among the undersigned that the Schedule 13G filed with the Securities and Exchange Commission on or about the date hereof with respect to the beneficial ownership by the undersigned of the Common Stock, $0.002 par value per share, of ViroPharma Incorporated, a Delaware corporation, is being filed, and all amendments thereto will be filed, on behalf of each of the persons and entities named below in accordance with Rule 13d-1(k) under the Securities Exchange Act of 1934, as amended. 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. Dated as of February 13, 2006 HIGHBRIDGE INTERNATIONAL LLC HIGHBRIDGE CAPITAL CORPORATION By: /s/ Howard Feitelberg By: /s/ Howard Feitelberg ------------------------- --------------------------- Name: Howard Feitelberg Name: Howard Feitelberg Title: Director Title: Controller HIGHBRIDGE CAPITAL MANAGEMENT, LLC HIGHBRIDGE GP, LTD. By: /s/ Carolyn Rubin By: /s/ Clive Harris ------------------------- --------------------------- Name: Carolyn Rubin Name: Clive Harris Title: Deputy General Counsel Title: Director HIGHBRIDGE MASTER L.P. HIGHBRIDGE GP, LLC By: Highbridge GP, Ltd. By: /s/ Clive Harris its General Partner --------------------------- Name: Clive Harris Title: Director By: /s/ Clive Harris - ----------------------------- Name: Clive Harris Title: Director HIGHBRIDGE CAPITAL L.P. /s/ Henry Swieca By: Highbridge GP, LLC ------------------------------- its General Partner HENRY SWIECA By: /s/ Clive Harris - ----------------------------- Name: Clive Harris Title: Director CUSIP No. 928241108 13G/A Page 16 of 16 /s/ Glenn Dubin - ----------------------------- GLENN DUBIN -----END PRIVACY-ENHANCED MESSAGE-----