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SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549


SCHEDULE 13D

UNDER THE SECURITIES EXCHANGE ACT OF 1934

Triangle Pharmaceuticals, Inc.
(Name of Issuer)

Common Stock, $0.001 par value per share
(Title of Class of Securities)

89589H104
(CUSIP Number)

Gilead Sciences, Inc.
333 Lakeside Drive
Foster City, California 94404

(Name, Address and Telephone Number of Person Authorized
to Receive Notices and Communications)

December 3, 2002
(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 which is the subject of this Schedule 13D, and is filing this schedule because of Rule 13d-1(e), (f) or (g), check the following box    o.

        Note: Six copies of this statement, including all exhibits, should be filed with the Commission. See Rule 13d-7(b) for other parties to whom copies are to be sent.

        The information required on the remainder of this cover page shall not be deemed to be "filed" for the purpose of Section 18 of the Securities Exchange Act of 1934, as amended (the "Exchange Act") or otherwise subject to the liabilities of that section of the Exchange Act but shall be subject to all other provisions of the Exchange Act.


CUSIP No.    89589H104       Page 2 of 11 Pages


1   NAME OF REPORTING PERSON
Gilead Sciences, Inc.

S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON
94-3047598

2   CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP   (a)  o
                (b)  o

3   SEC USE ONLY

           

4   SOURCE OF FUNDS
N/A

5   CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEMS 2(d) OR 2(e)
                o

6   CITIZENSHIP OR PLACE OF ORGANIZATION
Stae of Delaware

NUMBER OF
SHARES
  7   SOLE VOTING POWER
-0-
   
BENEFICIALLY  
OWNED BY
EACH REPORTING
  8   SHARED VOTING POWER
30,906,949(1)
   
PERSON  
        9   SOLE DISPOSITIVE POWER
-0-
   
       
        10   SHARED DISPOSITIVE POWER
31,574,469(2)
   

11   AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
31,579,469(2)

12   CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES    
                o

13   PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
41.06%

14   TYPE OF REPORTING PERSON
CO


          (1)    Does not include options to purchase an aggregate of 8,000 shares of Triangle common stock, which options are exercisable within 60 days of December 3, 2002, held by the persons who have entered into Stockholder Agreements with the reporting persons as described herein.

          (2)    Does not include options to purchase an aggregate of 284,167 shares of Triangle common stock, which options are exercisable within 60 days of December 3, 2002, held by the persons who have entered into Stockholder Agreements with the reporting persons as described herein.

        Neither the filing of this statement on Schedule 13D nor any of its contents shall be deemed to constitute an admission by Gilead Sciences, Inc. that it is the beneficial owner of any of the common stock of Triangle Pharmaceuticals, Inc. referred to herein for purposes of Section 13(d) of the Securities Exchange Act of 1934, as amended, or for any other purpose, and such beneficial ownership is expressly denied.


CUSIP No.    89589H104       Page 3 of 11 Pages


1   NAME OF REPORTING PERSON
Simbolo Acquisition Sub, Inc.

S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON


2   CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP   (a)  o
                (b)  o

3   SEC USE ONLY

           

4   SOURCE OF FUNDS
N/A

5   CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEMS 2(d) OR 2(e)
                o

6   CITIZENSHIP OR PLACE OF ORGANIZATION
State of Delaware

NUMBER OF
SHARES
  7   SOLE VOTING POWER
-0-
   
BENEFICIALLY  
OWNED BY
EACH REPORTING
  8   SHARED VOTING POWER
30,906,949(1)
   
PERSON  
        9   SOLE DISPOSITIVE POWER
-0-
   
       
        10   SHARED DISPOSITIVE POWER
31,574,469(2)
   

11   AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
31,574,469(2)

12   CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES    
                o

13   PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
41.06%

14   TYPE OF REPORTING PERSON
CO


          (1)    Does not include options to purchase an aggregate of 8,000 shares of Triangle common stock, which options are exercisable within 60 days of December 3, 2002, held by the persons who have entered into Stockholder Agreements with the reporting persons as described herein.

          (2)    Does not include options to purchase an aggregate of 284,167 shares of Triangle common stock, which options are exercisable within 60 days of December 3, 2002, held by the persons who have entered into Stockholder Agreements with the reporting persons as described herein.

        Neither the filing of this statement on Schedule 13D nor any of its contents shall be deemed to constitute an admission by Simbolo Acquisition Sub, Inc. that it is the beneficial owner of any of the common stock of Triangle Pharmaceuticals, Inc. referred to herein for purposes of Section 13(d) of the Securities Exchange Act of 1934, as amended, or for any other purpose, and such beneficial ownership is expressly denied.


CUSIP No.    89589H104       Page 4 of 11 Pages

ITEM 1. SECURITY AND ISSUER

This statement on Schedule 13D is being filed by Gilead Sciences, Inc., a Delaware corporation ("Gilead"), and Simbolo Acquisition Sub, a Delaware corporation and wholly-owned subsidiary of Gilead ("Acquisition Sub") and relates to the acquisition by Gilead, through Acquisition Sub, of all of the outstanding common stock of Triangle Pharmaceuticals, Inc., a Delaware corporation ("Triangle"), in a two-step transaction comprised of a cash tender offer for all of the issued and outstanding shares of Triangle common stock (the "Offer"), followed by a merger of Acquisition Sub with and into Triangle (the "Merger" and together with the Offer, the "Acquisition"), pursuant to the Agreement and Plan of Merger among Gilead, Acquisition Sub and Triangle, dated as of December 3, 2002 (the "Merger Agreement").

ITEM 2. IDENTITY AND BACKGROUND


CUSIP No.    89589H104       Page 5 of 11 Pages

ITEM 3. SOURCE AND AMOUNT OF FUNDS OR OTHER CONSIDERATION

In order to induce Gilead to enter into the Merger Agreement and to facilitate the consummation of the Acquisition, certain stockholders of Triangle have entered into Stockholder Agreements with Gilead and Acquisition Sub as described in Item 4 and Item 5 of this Schedule 13D.

ITEM 4. PURPOSE OF TRANSACTION


CUSIP No.    89589H104       Page 6 of 11 Pages

CUSIP No.    89589H104       Page 7 of 11 Pages

ITEM 5. INTEREST IN SECURITIES OF THE ISSUER


CUSIP No.    89589H104       Page 8 of 11 Pages

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


CUSIP No.    89589H104       Page 9 of 11 Pages

ITEM 7. MATERIAL TO BE FILED AS EXHIBITS

Exhibit No.

  Description
2.1   Agreement and Plan of Merger, dated as of December 3, 2002, by and among Gilead Sciences, Inc., Simbolo Acquisition Sub, Inc. and Triangle Pharmaceuticals, Inc. (incorporated by reference to Exhibit 2.1 of the Form 8-K filed by Gilead Sciences, Inc. on December 10, 2002).

2.2

 

Form of Stockholder Agreement (without voting provisions)(incorporated by reference to Exhibit 2.2 of the Form 8-K filed by Gilead Sciences, Inc. on December 10, 2002).

2.3

 

Form of Voting and Proxy Agreement (with voting provisions)(incorporated by reference to Exhibit 2.3 of the Form 8-K filed by Gilead Sciences, Inc. on December 10, 2002).

CUSIP No.    89589H104       Page 10 of 11 Pages


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.

        Date:    December 13, 2002

    GILEAD SCIENCES, INC
     

 

 

/s/  
JOHN F. MILLIGAN      
John F. Milligan
Senior Vice President and Chief Financial Officer

CUSIP No.    89589H104       Page 11 of 11 Pages


Joint Filing Statement

        Pursuant to Rule 13d-1(k)(1), we, the undersigned, hereby express our agreement that the attached Schedule 13D is filed on our behalf.

        Date: December 13, 2002

    SIMBOLO ACQUISITION SUB, INC.
     

 

 

/s/  
JOHN F. MILLIGAN      
John F. Milligan, President


SCHEDULE I-A

EXECUTIVE OFFICERS AND DIRECTORS OF GILEAD

Name and Title

  Employer
  Address
John C. Martin, Ph.D.
Director, President and Chief
Executive Officer
  Gilead Sciences, Inc.   333, Lakeside Drive, Foster City, CA 94404

Norbert W. Bischofberger
Executive Vice President,
Research and Development

 

Gilead Sciences, Inc.

 

333, Lakeside Drive, Foster City, CA 94404

Mark L. Perry
Executive Vice President,
Operations

 

Gilead Sciences, Inc.

 

333, Lakeside Drive, Foster City, CA 94404

John F. Milligan
Senior Vice President and
Chief Financial Officer

 

Gilead Sciences, Inc.

 

333, Lakeside Drive, Foster City, CA 94404

Mike Inouye
Senior Vice President,
Sales and Marketing

 

Gilead Sciences, Inc.

 

333, Lakeside Drive, Foster City, CA 94404

William Lee, Ph.D.
Senior Vice President,
Research and Pharmaceutical
Development

 

Gilead Sciences, Inc.

 

333, Lakeside Drive, Foster City, CA 94404

Paul Berg
Director

 

Cahill Professor,
Department of Biochemistry,
Stanford University
School of Medicine

 

c/o Gilead Sciences, Inc.,
333, Lakeside Drive, Foster City, CA 94404

James M. Denny
Chairman of the Board

 

Chairman of the Board
of Directors of Gilead

 

c/o Gilead Sciences, Inc.,
333, Lakeside Drive, Foster City, CA 94404

Etienne F. Davignon
Director

 

Vice Chairman, Société
Générale de Belgique

 

c/o Gilead Sciences, Inc.,
333, Lakeside Drive, Foster City, CA 94404

Cordell W. Hull
Director

 

Co-founder, Chairman
and Chief Executive
Officer,
InfrastructureWorld,
Inc.

 

c/o Gilead Sciences, Inc.,
333, Lakeside Drive, Foster City, CA 94404

Gordon E. Moore
Director

 

Chairman Emeritus,
Intel Corporation

 

c/o Gilead Sciences, Inc.,
333, Lakeside Drive, Foster City, CA 94404

George P. Shultz
Director

 

Distinguished Fellow,
Hoover Institution,
Stanford University

 

c/o Gilead Sciences, Inc.,
333, Lakeside Drive, Foster City, CA 94404

Gayle E. Wilson
Director

 

Director of Chela
Financial, Inc. and the
Ralph M. Parsons
Foundation

 

c/o Gilead Sciences, Inc.,
333, Lakeside Drive, Foster City, CA 94404


SCHEDULE I-B

EXECUTIVE OFFICERS AND DIRECTORS OF ACQUISITION SUB

Name and Title

  Employer
  Address
John F. Milligan
President
  Gilead Sciences, Inc.   333, Lakeside Drive, Foster City, CA 94404

Mike Aguiar
Director and Chief
Financial Officer

 

Gilead Sciences, Inc.

 

333, Lakeside Drive, Foster City, CA 94404

Gregg Alton
Director and Secretary

 

Gilead Sciences, Inc.

 

333, Lakeside Drive, Foster City, CA 94404


SCHEDULE II

PERSONS WITH WHOM GILEAD AND ACQUISITION
SUB SHARE VOTING AND DISPOSITIVE POWER

(i)    Natural Persons

Name and Occupation

  Employer
  Address
George McFadden
General Partner, McFadden
Brothers
  McFadden Brothers   c/o Triangle Pharmaceuticals, Inc.
4 University Place
4611 University Drive
Durham, North Carolina 27707

Anthony B. Evnin
General Partner, Venrock
Associates and Venrock
Associates II, L.P.

 

Venrock Associates and
Venrock Associates II, L.P.

 

30 Rockefeller Plaza, Room 5508
New York, NY 10112
    -or-
2494 Sand Hill Road, Suite 200
Menlo Park, CA 94025

Standish M. Fleming
General Partner, Forward
Ventures

 

Forward Ventures

 

10975 Torreyana Road, Suite 230,
San Diego, CA 92121

Dennis Gillings, Ph.D
Chairman of the Board of
Directors of Quintiles
Transnational Corp.

 

Quintiles Transnational Corp.

 

c/o Quintiles Transnational Corp.
4709 Creekstone Dr., Suite 200
Durham, NC 27703

Henry G. Grabowski, Ph.D.
Professor, Duke University

 

Duke University

 

c/o Triangle Pharmaceuticals, Inc.
4 University Place
4611 University Drive
Durham, North Carolina 27707

Stewart J. Hen
Vice-President, Warburg Pincus LLC

 

Warburg Pincus LLC

 

c/o Warburg Pincus LLC
466 Lexington Avenue,
New York, New York 10017

Jonathan S. Leff
Managing Director, Warburg
Pincus

 

Warburg Pincus

 

c/o Warburg Pincus
466 Lexington Avenue,
New York, New York 10017

Carol McFadden

 

N/A

 

c/o Triangle Pharmaceuticals, Inc.
4 University Place
4611 University Drive
Durham, North Carolina 27707

Daniel G. Welch
Chief Executive Officer,
Triangle Pharmaceuticals, Inc.

 

Triangle Pharmaceuticals, Inc.

 

c/o Triangle Pharmaceuticals, Inc.
4 University Place
4611 University Drive
Durham, North Carolina 27707

(ii)  Trusts and Pension Plans

Trust or Plan

  Trustee or
Controlling Person

  Occupation and
Employer

  Address
Trust U/W Alexander B.
McFadden Deceased,
Mellon Bank, N.A.,
Alexander Cushing and
George McFadden,
Trustees
  George McFadden   General Partner,
McFadden
Brothers
  c/o Triangle Pharmaceuticals, Inc.
4 University Place
4611 University Drive
Durham, North Carolina 27707

Bijou Trust U/A 3/11/86
c.o. McFadden Trustee
f/b/o Piers Moreton
Trust

 

George McFadden

 

General Partner,
McFadden
Brothers

 

c/o Triangle Pharmaceuticals, Inc.
4 University Place
4611 University Drive
Durham, North Carolina 27707

Fleming Family Trust

 

Standish M.Fleming

 

General Partner,
Forward Ventures

 

c/o Forward Ventures
10975 Torreyana Road, Suite 230,
San Diego, CA 92121

Fleming Family Children's
Trust

 

Standish M.Fleming

 

General Partner,
Forward Ventures

 

c/o Forward Ventures
10975 Torreyana Road, Suite 230,
San Diego, CA 92121

GEM Trust U/A/ 3/4/83
c.o. McFadden Trustees
f/b/o/ Georgiana
Moreton Trust

 

George McFadden

 

General Partner,
McFadden
Brothers

 

c/o Triangle Pharmaceuticals, Inc.
4 University Place
4611 University Drive
Durham, North Carolina 27707

George & Leslie Taylor
McFadden Trustees,
U/A dated 9/22/71 f/b/o
Elizabeth Cutting
McFadden Trust

 

George McFadden

 

General Partner,
McFadden
Brothers

 

c/o Triangle Pharmaceuticals, Inc.
4 University Place
4611 University Drive
Durham, North Carolina 27707

Grabowski Associates
Pension Plan

 

Henry J. Grabowski

 

Professor, Duke
University

 

c/o Triangle Pharmaceuticals, Inc.
4 University Place
4611 University Drive
Durham, North Carolina 27707

Wilhemina Josephine
McFadden 1995 Trust
dated Nov. 6, 1995
between George
McFadden, as donor,
and David R. Hamilton,
as Trustee

 

George McFadden

 

General Partner,
McFadden
Brothers

 

c/o Triangle Pharmaceuticals, Inc.
4 University Place
4611 University Drive
Durham, North Carolina 27707

(iii) Partnerships and Limited Partnerships

Forward II Associates, L.P., Forward Ventures II, L.P., Forward Ventures III, L.P., Forward Ventures IV, L.P., and Forward Ventures IV B, L.P.

Mr. Standish M. Fleming and Dr. Ivor Royston are (a) the general partners of Forward II Associates, L.P., which is the general partner of Forward Ventures II, L.P., and (b) the managing members of Forward III Associates, L.L.C., which is the general partner of Forward Ventures III, L.P., and Standish Fleming is a managing member of Forward IV Associates, L.L.C., which is the general partner of Forward Ventures IV, L.P. and Forward Ventures IV B, L.P. Mr. Fleming and Dr. Royston are both U.S. citizens.


Set forth below is the principal occupation, the employer, and the address for each of Mr. Fleming and Dr. Royston:

Occupation

  Employer
  Address
Standish M. Fleming
General Partner, Forward
Ventures
  Forward Ventures   10975 Torreyana Road, Suite 230,
San Diego, CA 92121

Ivor Royston
President, Sidney Kimmel
Cancer Center

 

Sidney Kimmel Cancer
Center

 

Science Park Road, Suite 200
San Diego, CA 92121

Venrock Associates and Venrock Associates II, L.P.

The following individuals are the general partners of Venrock Associates and Venrock Associates II, L.P., all of whom are citizens of the United States: Anthony B. Evnin, David R. Hathaway, Patrick F. Latterell, Ted H. McCourtney, Ray A. Rothrock, Kimberley A. Rummelsburg, and Anthony Sun. The principal occupation, employer and address for each of these individuals is: General Partner, Venrock Associates and Venrock Associates II, L.P., 30 Rockefeller Plaza, Room 5508, New York, NY 10112 or 2494 Sand Hill Road, Suite 200, Menlo Park, CA 94025.

Warburg Pincus Private Equity VIII, L.P.

The sole general partner of Warburg Pincus Private Equity VIII, L.P. ("WP VIII") is Warburg, Pincus & Co., ("WP"). Warburg Pincus, LLC ("WP LLC") manages WP VIII. Lionel I. Pincus is the managing partner of WP and the managing member of WP LLC. The principal occupation, the employer, and the address for each of the general partners of WP is set forth below.

Set forth below is the name, position and present principal occupation of each of the general partners of WP. 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:

Name

  Present Principal Occupation, in addition to positions
with WP, WP VIII and WP LLC

Joel Ackerman   Partner of WP and Member and Managing Director of WP LLC
Gregory Back   Partner of WP and Member and Managing Director of WP LLC
David Barr   Partner of WP and Member and Managing Director of WP LLC
Harold Brown   Partner of WP and Member and Managing Director of WP LLC
Sean D. Carney   Partner of WP and Member and Managing Director of WP LLC
Timothy J. Curt   Partner of WP and Member and Managing Director of WP LLC
W. Bowman Cutter   Partner of WP and Member and Managing Director of WP LLC
Cary J. Davis   Partner of WP and Member and Managing Director of WP LLC
Stephen Distler   Partner of WP and Member and Managing Director of WP LLC
Stewart K. P. Gross   Partner of WP and Member and Senior Managing Director of WP LLC
Patrick T. Hackett   Partner of WP and Member and Managing Director of WP LLC

Jeffrey A. Harris   Partner of WP and Member and Senior Managing Director of WP LLC
William H. Janeway   Partner of WP and Member and Vice Chairman of WP LLC
Charles R. Kaye   Partner of WP and Member and Executive Managing Director of WP LLC
Henry Kressel   Partner of WP and Member and Senior Managing Director of WP LLC
Joseph P. Landy   Partner of WP and Member and Executive Managing Director of WP LLC
Sidney Lapidus   Partner of WP and Member and Managing Director of WP LLC
Kewsong Lee   Partner of WP and Member and Managing Director of WP LLC
Jonathan S. Leff   Partner of WP and Member and Managing Director of WP LLC
Reuben S. Leibowitz   Partner of WP and Member and Managing Director of WP LLC
David E. Libowitz   Partner of WP and Member and Managing Director of WP LLC
Nancy Martin   Partner of WP and Member and Managing Director of WP LLC
Edward J. McKinley   Partner of WP and Member and Managing Director of WP LLC
Rodman W. Moorhead III   Partner of WP and Member and Managing Director of WP LLC
James Neary   Partner of WP and Member and Managing Director of WP LLC
Howard H. Newman   Partner of WP and Member and Vice Chairman of WP LLC
Gary D. Nusbaum   Partner of WP and Member and Managing Director of WP LLC
Dalip Pathak   Partner of WP and Member and Managing Director of WP LLC
Lionel I. Pincus Managing   Partner of WP and Managing Member, Chairman of the Board and Chief Executive Officer of WP LLC
John D. Santoleri   Partner of WP and Member and Managing Director of WP LLC
Steven G. Schneider   Partner of WP and Member and Managing Director of WP LLC
Barry Taylor   Partner of WP and Member and Managing Director of WP LLC
John L. Vogelstein   Partner of WP and Member, and President of WP LLC
Elizabeth H. Weatherman   Partner of WP and Member and Managing Director of WP LLC
David Wenstrup   Partner of WP and Member and Managing Director of WP LLC
Pincus & Co.   New York limited partnership; primary activity is ownership interest in WP and WP LLC

NL & Co.   New York limited partnership; primary activity is ownership interest in WP

Set forth below is the name, position and present principal occupation of each of the members of WP LLC. The business address of each of such persons is 466 Lexington Avenue, New York, New York 10017, and except as indicated, each of such persons is a citizen of the United States:

Name

  Present Principal Occupation, in addition to positions
with WP, WP VIII and WP LLC

Joel Ackerman   Member and Managing Director of WP LLC; Partner of WP
Gregory Back   Member and Managing Director of WP LLC; Partner of WP
David Barr   Member and Managing Director of WP LLC; Partner of WP
Frank M. Brochin (1)   Member and Managing Director of WP LLC
Harold Brown   Member and Managing Director of WP LLC; Partner of WP
Sean D. Carney   Member and Managing Director of WP LLC; Partner of WP
Timothy J. Curt   Member and Managing Director of WP LLC; Partner of WP
W. Bowman Cutter   Member and Managing Director of WP LLC; Partner of WP
Cary J. Davis   Member and Managing Director of WP LLC; Partner of WP
Stephen Distler   Member and Managing Director of WP LLC; Partner of WP
Tetsuya Fukagawa (2)   Member and Managing Director of WP LLC
Makoto Fukuhara (2)   Member and Managing Director of WP LLC
Stewart K. P. Gross   Member and Senior Managing Director of WP LLC; Partner of WP
Alf Grunwald (3)   Member and Managing Director of WP LLC
Patrick T. Hackett   Member and Managing Director of WP LLC; Partner of WP
Jeffrey A. Harris   Member and Senior Managing Director of WP LLC; Partner of WP
SungJin Hwang (4)   Member and Managing Director of WP LLC
Roberto Italia (5)   Member and Managing Director of WP LLC
William H. Janeway   Member and Vice Chairman of WP LLC; Partner of WP
Charles R. Kaye   Member and Executive Managing Director of WP LLC; Partner of WP
Rajesh Khanna (6)   Member and Managing Director of WP LLC
Henry Kressel   Member and Senior Managing Director of WP LLC; Partner of WP
Rajiv B. Lall (6)   Member and Managing Director of WP LLC
Joseph P. Landy   Member and Executive Managing Director of WP LLC; Partner of WP
Sidney Lapidus   Member and Managing Director of WP LLC; Partner of WP
Kewsong Lee   Member and Managing Director of WP LLC; Partner of WP

Jonathan S. Leff   Member and Managing Director of WP LLC; Partner of WP
Reuben S. Leibowitz   Member and Managing Director of WP LLC; Partner of WP
David E. Libowitz   Member and Managing Director of WP LLC; Partner of WP
Nicholas J. Lowcock (7)   Member and Managing Director of WP LLC
John W. MacIntosh (8)   Member and Managing Director of WP LLC
Nancy Martin   Member and Managing Director of WP LLC; Partner of WP
Edward J. McKinley   Member and Managing Director of WP LLC; Partner of WP
Rodman W. Moorhead III   Member and Managing Director of WP LLC; Partner of WP
James Neary   Member and Managing Director of WP LLC; Partner of WP
Howard H. Newman   Member and Vice Chairman of WP LLC; Partner of WP
Gary D. Nusbaum   Member and Managing Director of WP LLC; Partner of WP
Dalip Pathak   Member and Managing Director of WP LLC; Partner of WP
Lionel I. Pincus Managing   Member, Chairman of the Board and Chief Executive Officer of WP LLC; Managing Partner of WP
Pulak Chandan Prasad (6)   Member and Managing Director of WP LLC
John D. Santoleri   Member and Managing Director of WP LLC; Partner of WP
Steven G. Schneider   Member and Managing Director of WP LLC; Partner of WP
Melchior Stahl (3)   Member and Managing Director of WP LLC
Chang Q. Sun (9)   Member and Managing Director of WP LLC
Barry Taylor   Member and Managing Director of WP LLC, Partner of WP
John L. Vogelstein   Member and President of WP LLC; Partner of WP
Elizabeth H. Weatherman   Member and Managing Director of WP LLC; Partner of WP
David Wenstrup   Member and Managing Director of WP LLC; Partner of WP
Jeremy S. Young (7)   Member and Managing Director of WP LLC
Pincus & Co.   New York limited partnership; primary activity is ownership interest in WP and WP LLC

(1)
Citizen of France

(2)
Citizen of Japan

(3)
Citizen of Germany

(4)
Citizen of Korea

(5)
Citizen of Italy

(6)
Citizen of India

(7)
Citizen of United Kingdom

(8)
Citizen of Canada

(9)
Citizen of China

(iv)  Corporations

Q-Finance, Inc.

Q-Finance, Inc., is a subsidiary of Quintiles Transnational Corp. ("Quintiles"). The principal occupation, the employer, and the address for each of the executive officers and directors of Quintiles are set forth below.

Name and Occupation

  Employer
  Address
Dennis B. Gillings, Ph.D.
Chairman of the Board of
Directors of Quintiles
  Quintiles   c/o Quintiles Transnational Corp.
4709 Creekstone Dr., Suite 200
Durham, NC 27703

Pamela J. Kirby, Ph.D.
Chief Executive Officer and
Director of Quintiles

 

Quintiles

 

c/o Quintiles Transnational Corp.
4709 Creekstone Dr., Suite 200
Durham, NC 27703

James L. Bierman
Executive Vice-President and
Chief Financial Officer of
Quintiles

 

Quintiles

 

c/o Quintiles Transnational Corp.
4709 Creekstone Dr., Suite 200
Durham, NC 27703

John S. Russell
Executive Vice President,
General Counsel and Head
Global Human Resources of
Quintiles

 

Quintiles

 

c/o Quintiles Transnational Corp.
4709 Creekstone Dr., Suite 200
Durham, NC 27703

Robert C. Bishop, Ph.D.
Chairman of the Board and
Chief Executive Officer for
AutoImmune Inc., and Director
of Quintiles

 

AutoImmune Inc.

 

c/o Quintiles Transnational Corp.
4709 Creekstone Dr., Suite 200
Durham, NC 27703

Vaughn D. Bryson
President, Life Science
Advisors, LLC, and Director of
Quintiles

 

Life Science Advisors, LLC

 

c/o Quintiles Transnational Corp.
4709 Creekstone Dr., Suite 200
Durham, NC 27703

Arthur M. Pappas
Chairman and Chief Executive
Officer of A. M. Pappas &
Associates, LLC, and Director
of Quintiles

 

A. M. Pappas &
Associates, LLC

 

c/o Quintiles Transnational Corp.
4709 Creekstone Dr., Suite 200
Durham, NC 27703

 

 

 

 

 


Eric J. Topol, M.D.
Provost and Chief Academic
Officer of The Cleveland Clinic
Foundation, and Director of
Quintiles

 

The Cleveland Clinic
Foundation

 

c/o Quintiles Transnational Corp.
4709 Creekstone Dr., Suite 200
Durham, NC 27703

Chester W. Douglass, DMD,Ph.D.
Professor, Harvard University,
and Director of Quintiles

 

Harvard University

 

c/o Quintiles Transnational Corp.
4709 Creekstone Dr., Suite 200
Durham, NC 27703

E.G.F. Brown
Director of Quintiles

 

Quintiles

 

c/o Quintiles Transnational Corp.
4709 Creekstone Dr., Suite 200
Durham, NC 27703

Jim D. Kever
Principal, Voyent Partners, LLC,
and Director of Quintiles

 

Voyent Partners, LLC

 

c/o Quintiles Transnational Corp.
4709 Creekstone Dr., Suite 200
Durham, NC 27703

Virginia V. Weldon, M.D.
Director of Quintiles

 

Quintiles

 

c/o Quintiles Transnational Corp.
4709 Creekstone Dr., Suite 200
Durham, NC 27703


EXHIBITS

Exhibit No.

  Description
2.1   Agreement and Plan of Merger, dated as of December 3, 2002, by and among Gilead Sciences, Inc., Simbolo Acquisition Sub, Inc. and Triangle Pharmaceuticals, Inc. (incorporated by reference to Exhibit 2.1 of the Form 8-K filed by Gilead Sciences, Inc. on December 10, 2002).

2.2

 

Form of Stockholder Agreement (without voting provisions)(incorporated by reference to Exhibit 2.2 of the Form 8-K filed by Gilead Sciences, Inc. on December 10, 2002).

2.3

 

Form of Voting and Proxy Agreement (with voting provisions)(incorporated by reference to Exhibit 2.3 of the Form 8-K filed by Gilead Sciences, Inc. on December 10, 2002).



QuickLinks

SIGNATURE
Joint Filing Statement
SCHEDULE I-A EXECUTIVE OFFICERS AND DIRECTORS OF GILEAD
SCHEDULE I-B EXECUTIVE OFFICERS AND DIRECTORS OF ACQUISITION SUB
SCHEDULE II PERSONS WITH WHOM GILEAD AND ACQUISITION SUB SHARE VOTING AND DISPOSITIVE POWER
EXHIBITS