<PAGE> 1
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
SCHEDULE 13G
(Rule 13d-102)
INFORMATION TO BE INCLUDED IN STATEMENTS FILED PURSUANT
TO RULES 13d-1(b), (c) AND (d) AND AMENDMENTS THERETO FILED
PURSUANT TO 13d-2(b)
(Amendment No. ____) (1)
Tularik Inc.
(Name of Issuer)
Common Stock, par value $.01 per share
(Title of Class of Securities)
89916510
(CUSIP Number)
December 31, 1999
(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)
[ ] Rule 13d-1(c)
[X] Rule 13d-1(d)
(1) 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 the purpose 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).
<PAGE> 2
CUSIP NO. 89916510 SCHEDULE 13G PAGE 2 OF 21 PAGES
-------------------- ----- -----
(1) NAME OF REPORTING PERSON
S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS
MAYFIELD MEDICAL PARTNERS, A CALIFORNIA PARTNERSHIP
---------------------------------------------------------------------
(2) CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (a) [ ]
(b) [X]
---------------------------------------------------------------------
(3) SEC USE ONLY
---------------------------------------------------------------------
(4) CITIZENSHIP OR PLACE OF ORGANIZATION
CALIFORNIA
---------------------------------------------------------------------
(5) SOLE VOTING POWER
NUMBER OF -0-
SHARES --------------------------------------------------------
BENEFICIALLY (6) SHARED VOTING POWER
OWNED BY 479,818
EACH --------------------------------------------------------
REPORTING (7) SOLE DISPOSITIVE POWER
PERSON WITH -0-
--------------------------------------------------------
(8) SHARED DISPOSITIVE POWER
479,818
--------------------------------------------------------
(9) AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
479,818
---------------------------------------------------------------------
(10) CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN
SHARES [ ]
---------------------------------------------------------------------
(11) PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
1.1%
---------------------------------------------------------------------
(12) TYPE OF REPORTING PERSON
PN
---------------------------------------------------------------------
<PAGE> 3
CUSIP NO. 89916510 SCHEDULE 13G PAGE 3 OF 21 PAGES
-------------------- ----- -----
(1) NAME OF REPORTING PERSON
S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS
MAYFIELD VI INVESTMENT PARTNERS, A CALIFORNIA LIMITED PARTNERSHIP
---------------------------------------------------------------------
(2) CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (a) [ ]
(b) [X]
---------------------------------------------------------------------
(3) SEC USE ONLY
---------------------------------------------------------------------
(4) CITIZENSHIP OR PLACE OF ORGANIZATION
CALIFORNIA
---------------------------------------------------------------------
(5) SOLE VOTING POWER
NUMBER OF -0-
SHARES --------------------------------------------------------
BENEFICIALLY (6) SHARED VOTING POWER
OWNED BY 3,807,815
EACH --------------------------------------------------------
REPORTING (7) SOLE DISPOSITIVE POWER
PERSON WITH -0-
--------------------------------------------------------
(8) SHARED DISPOSITIVE POWER
3,807,815
--------------------------------------------------------
(9) AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
3,807,815
---------------------------------------------------------------------
(10) CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN
SHARES [ ]
---------------------------------------------------------------------
(11) PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
8.9%
---------------------------------------------------------------------
(12) TYPE OF REPORTING PERSON
PN
---------------------------------------------------------------------
<PAGE> 4
CUSIP NO. 89916510 SCHEDULE 13G PAGE 4 OF 21 PAGES
-------------------- ----- -----
(1) NAME OF REPORTING PERSON
S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS
MAYFIELD VI MANAGEMENT PARTNERS, A CALIFORNIA LIMITED PARTNERSHIP
---------------------------------------------------------------------
(2) CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (a) [ ]
(b) [X]
---------------------------------------------------------------------
(3) SEC USE ONLY
---------------------------------------------------------------------
(4) CITIZENSHIP OR PLACE OF ORGANIZATION
CALIFORNIA
---------------------------------------------------------------------
(5) SOLE VOTING POWER
NUMBER OF -0-
SHARES --------------------------------------------------------
BENEFICIALLY (6) SHARED VOTING POWER
OWNED BY 3,807,815
EACH --------------------------------------------------------
REPORTING (7) SOLE DISPOSITIVE POWER
PERSON WITH -0-
--------------------------------------------------------
(8) SHARED DISPOSITIVE POWER
3,807,815
--------------------------------------------------------
(9) AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
3,807,815
---------------------------------------------------------------------
(10) CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN
SHARES [ ]
---------------------------------------------------------------------
(11) PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
8.9%
---------------------------------------------------------------------
(12) TYPE OF REPORTING PERSON
PN
---------------------------------------------------------------------
<PAGE> 5
CUSIP NO. 89916510 SCHEDULE 13G PAGE 5 OF 21 PAGES
-------------------- ----- -----
(1) NAME OF REPORTING PERSON
S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS
MAYFIELD ASSOCIATES FUND, A CALIFORNIA LIMITED PARTNERSHIP
---------------------------------------------------------------------
(2) CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (a) [ ]
(b) [X]
---------------------------------------------------------------------
(3) SEC USE ONLY
---------------------------------------------------------------------
(4) CITIZENSHIP OR PLACE OF ORGANIZATION
CALIFORNIA
---------------------------------------------------------------------
(5) SOLE VOTING POWER
NUMBER OF -0-
SHARES --------------------------------------------------------
BENEFICIALLY (6) SHARED VOTING POWER
OWNED BY 158,659
EACH --------------------------------------------------------
REPORTING (7) SOLE DISPOSITIVE POWER
PERSON WITH -0-
--------------------------------------------------------
(8) SHARED DISPOSITIVE POWER
158,659
--------------------------------------------------------
(9) AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
158,659
---------------------------------------------------------------------
(10) CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN
SHARES [ ]
---------------------------------------------------------------------
(11) PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
0.4%
---------------------------------------------------------------------
(12) TYPE OF REPORTING PERSON
PN
---------------------------------------------------------------------
<PAGE> 6
CUSIP NO. 89916510 SCHEDULE 13G PAGE 6 OF 21 PAGES
-------------------- ----- -----
(1) NAME OF REPORTING PERSON
S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS
F. GIBSON MYERS, JR.
---------------------------------------------------------------------
(2) CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (a) [ ]
(b) [X]
---------------------------------------------------------------------
(3) SEC USE ONLY
---------------------------------------------------------------------
(4) CITIZENSHIP OR PLACE OF ORGANIZATION
U.S.
---------------------------------------------------------------------
(5) SOLE VOTING POWER
NUMBER OF -0-
SHARES --------------------------------------------------------
BENEFICIALLY (6) SHARED VOTING POWER
OWNED BY 3,966,474
EACH --------------------------------------------------------
REPORTING (7) SOLE DISPOSITIVE POWER
PERSON WITH -0-
--------------------------------------------------------
(8) SHARED DISPOSITIVE POWER
3,966,474
--------------------------------------------------------
(9) AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
3,966,474
---------------------------------------------------------------------
(10) CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN
SHARES [ ]
---------------------------------------------------------------------
(11) PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
9.2%
---------------------------------------------------------------------
(12) TYPE OF REPORTING PERSON
IN
---------------------------------------------------------------------
<PAGE> 7
CUSIP NO. 89916510 SCHEDULE 13G PAGE 7 OF 21 PAGES
-------------------- ----- -----
(1) NAME OF REPORTING PERSON
S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS
KEVIN A. FONG
---------------------------------------------------------------------
(2) CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (a) [ ]
(b) [X]
---------------------------------------------------------------------
(3) SEC USE ONLY
---------------------------------------------------------------------
(4) CITIZENSHIP OR PLACE OF ORGANIZATION
U.S.
---------------------------------------------------------------------
(5) SOLE VOTING POWER
NUMBER OF -0-
SHARES --------------------------------------------------------
BENEFICIALLY (6) SHARED VOTING POWER
OWNED BY 3,966,474
EACH --------------------------------------------------------
REPORTING (7) SOLE DISPOSITIVE POWER
PERSON WITH -0-
--------------------------------------------------------
(8) SHARED DISPOSITIVE POWER
3,966,474
--------------------------------------------------------
(9) AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
3,966,474
---------------------------------------------------------------------
(10) CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN
SHARES [ ]
---------------------------------------------------------------------
(11) PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
9.2%
---------------------------------------------------------------------
(12) TYPE OF REPORTING PERSON
IN
---------------------------------------------------------------------
<PAGE> 8
CUSIP NO. 89916510 SCHEDULE 13G PAGE 8 OF 21 PAGES
-------------------- ----- -----
(1) NAME OF REPORTING PERSON
S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS
WILLIAM D. UNGER
---------------------------------------------------------------------
(2) CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (a) [ ]
(b) [X]
---------------------------------------------------------------------
(3) SEC USE ONLY
---------------------------------------------------------------------
(4) CITIZENSHIP OR PLACE OF ORGANIZATION
U.S.
---------------------------------------------------------------------
(5) SOLE VOTING POWER
NUMBER OF -0-
SHARES --------------------------------------------------------
BENEFICIALLY (6) SHARED VOTING POWER
OWNED BY 3,966,474
EACH --------------------------------------------------------
REPORTING (7) SOLE DISPOSITIVE POWER
PERSON WITH -0-
--------------------------------------------------------
(8) SHARED DISPOSITIVE POWER
3,966,474
--------------------------------------------------------
(9) AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
3,966,474
---------------------------------------------------------------------
(10) CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN
SHARES [ ]
---------------------------------------------------------------------
(11) PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
9.2%
---------------------------------------------------------------------
(12) TYPE OF REPORTING PERSON
IN
---------------------------------------------------------------------
<PAGE> 9
CUSIP NO. 89916510 SCHEDULE 13G PAGE 9 OF 21 PAGES
-------------------- ----- -----
(1) NAME OF REPORTING PERSON
S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS
WENDELL G. VAN AUKEN, III
---------------------------------------------------------------------
(2) CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (a) [ ]
(b) [X]
---------------------------------------------------------------------
(3) SEC USE ONLY
---------------------------------------------------------------------
(4) CITIZENSHIP OR PLACE OF ORGANIZATION
U.S.
---------------------------------------------------------------------
(5) SOLE VOTING POWER
NUMBER OF -0-
SHARES --------------------------------------------------------
BENEFICIALLY (6) SHARED VOTING POWER
OWNED BY 3,966,474
EACH --------------------------------------------------------
REPORTING (7) SOLE DISPOSITIVE POWER
PERSON WITH -0-
--------------------------------------------------------
(8) SHARED DISPOSITIVE POWER
3,966,474
--------------------------------------------------------
(9) AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
3,966,474
---------------------------------------------------------------------
(10) CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN
SHARES [ ]
---------------------------------------------------------------------
(11) PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
9.2%
---------------------------------------------------------------------
(12) TYPE OF REPORTING PERSON
IN
---------------------------------------------------------------------
<PAGE> 10
CUSIP NO. 89916510 SCHEDULE 13G PAGE 10 OF 21 PAGES
-------------------- ----- -----
(1) NAME OF REPORTING PERSON
S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS
MICHAEL J. LEVINTHAL
---------------------------------------------------------------------
(2) CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (a) [ ]
(b) [X]
---------------------------------------------------------------------
(3) SEC USE ONLY
---------------------------------------------------------------------
(4) CITIZENSHIP OR PLACE OF ORGANIZATION
U.S.
---------------------------------------------------------------------
(5) SOLE VOTING POWER
NUMBER OF -0-
SHARES --------------------------------------------------------
BENEFICIALLY (6) SHARED VOTING POWER
OWNED BY 3,966,474
EACH --------------------------------------------------------
REPORTING (7) SOLE DISPOSITIVE POWER
PERSON WITH -0-
--------------------------------------------------------
(8) SHARED DISPOSITIVE POWER
3,966,474
--------------------------------------------------------
(9) AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
3,966,474
---------------------------------------------------------------------
(10) CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN
SHARES [ ]
---------------------------------------------------------------------
(11) PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
9.2%
---------------------------------------------------------------------
(12) TYPE OF REPORTING PERSON
IN
---------------------------------------------------------------------
<PAGE> 11
CUSIP NO. 89916510 SCHEDULE 13G PAGE 11 OF 21 PAGES
-------------------- ----- -----
(1) NAME OF REPORTING PERSON
S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS
A. GRANT HEIDRICH, III
---------------------------------------------------------------------
(2) CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (a) [ ]
(b) [X]
---------------------------------------------------------------------
(3) SEC USE ONLY
---------------------------------------------------------------------
(4) CITIZENSHIP OR PLACE OF ORGANIZATION
U.S.
---------------------------------------------------------------------
(5) SOLE VOTING POWER
NUMBER OF 31,458 (includes options to purchase 29,958 shares)
SHARES --------------------------------------------------------
BENEFICIALLY (6) SHARED VOTING POWER
OWNED BY 3,966,474
EACH --------------------------------------------------------
REPORTING (7) SOLE DISPOSITIVE POWER
PERSON WITH 31,458 (includes options to purchase 29,958 shares)
--------------------------------------------------------
(8) SHARED DISPOSITIVE POWER
3,966,474
--------------------------------------------------------
(9) AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
3,997,932
---------------------------------------------------------------------
(10) CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN
SHARES [ ]
---------------------------------------------------------------------
(11) PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
9.3%
---------------------------------------------------------------------
(12) TYPE OF REPORTING PERSON
IN
---------------------------------------------------------------------
<PAGE> 12
ITEM 1.
(a) NAME OF ISSUER:
Tularik Inc.
(b) ADDRESS OF ISSUER'S PRINCIPAL EXECUTIVE OFFICES:
Two Corporate Drive South
San Francisco, CA 94080
ITEM 2.
(a) NAME OF PERSONS FILING:
Mayfield Medical Partners, a California Partnership
Mayfield VI Investment Partners, a California Limited Partnership
Mayfield VI Management Partners, a California Limited Partnership
Mayfield Associates Fund, a California Limited Partnership
Kevin A. Fong
Wendell G. Van Auken, III
A. Grant Heidrich, III
F. Gibson Myers, Jr.
William D. Unger
Michael J. Levinthal
(b) ADDRESS OF PRINCIPAL BUSINESS OFFICE:
c/o The Mayfield Fund
2800 Sand Hill Road
Menlo Park, CA 94025
(c) CITIZENSHIP:
The entities listed in Item 2(a) are California Limited
Partnerships. The individuals listed in Item 2(a) are U.S.
citizens.
(d) TITLE OF CLASS OF SECURITIES:
Common Stock, par value $.01 per share
(e) CUSIP NUMBER:
89916510
Page 12 of 21 pages
<PAGE> 13
ITEM 3. IF THIS STATEMENT IS FILED PURSUANT TO RULE 13D-1(b), OR 13D-2(b), CHECK
WHETHER THE PERSON FILING IS A:
Not applicable
ITEM 4. OWNERSHIP
The information regarding ownership as set forth in Items 5-9 of
Pages 2-10 hereto, is hereby incorporated by reference.
For a summary of total ownership by all Reporting Persons, see
Exhibit 2 hereto.
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 [].
ITEM 6. OWNERSHIP OF MORE THAN FIVE PERCENT ON BEHALF OF ANOTHER PERSON
Not applicable.
ITEM 7. IDENTIFICATION AND CLASSIFICATION OF THE SUBSIDIARY WHICH
ACQUIRED THE SECURITY BEING REPORTED ON BY THE PARENT HOLDING
COMPANY
Not applicable.
ITEM 8. IDENTIFICATION AND CLASSIFICATION OF MEMBERS OF THE GROUP
Not applicable.
ITEM 9. NOTICE OF DISSOLUTION OF GROUP
Not applicable.
ITEM 10. CERTIFICATION
Not applicable.
Page 13 of 21 pages
<PAGE> 14
SIGNATURES
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: February 14, 2000
MAYFIELD VI INVESTMENT PARTNERS
A California Limited Partnership
By: Mayfield VI Management Partners,
a California Limited Partnership,
Its General Partner
By: /s/ George A. Pavlov
--------------------------------------
George A. Pavlov, Authorized Signatory
MAYFIELD VI MANAGEMENT PARTNERS
A California Limited Partnership
By: /s/ George A. Pavlov
--------------------------------------
George A. Pavlov, Authorized Signatory
MAYFIELD MEDICAL PARTNERS
A California Partnership
By: Mayfield VI Investment Partners,
a California Limited Partnership,
Its General Partner
By: Mayfield VI Management Partners,
a California Limited Partnership,
Its General Partner
By: /s/ George A. Pavlov
--------------------------------------
George A. Pavlov, Authorized Signatory
MAYFIELD ASSOCIATES FUND
A California Limited Partnership
By: /s/ George A. Pavlov
--------------------------------------
George A. Pavlov, Authorized Signatory
F. GIBSON MYERS, JR.
By: /s/ George A. Pavlov
--------------------------------------
George A. Pavlov, Attorney In Fact
Page 14 of 21 pages
<PAGE> 15
KEVIN A. FONG
By: /s/ George A. Pavlov
--------------------------------------
George A. Pavlov, Attorney In Fact
WILLIAM D. UNGER
By: /s/ George A. Pavlov
--------------------------------------
George A. Pavlov, Attorney In Fact
WENDELL G. VAN AUKEN, III
By: /s/ George A. Pavlov
--------------------------------------
George A. Pavlov, Attorney In Fact
MICHAEL J. LEVINTHAL
By: /s/ George A. Pavlov
--------------------------------------
George A. Pavlov, Attorney In Fact
A. GRANT HEIDRICH, III
By: /s/ George A. Pavlov
George A. Pavlov, Attorney In Fact
Page 15 of 21 pages
<PAGE> 16
EXHIBIT 1
STATEMENT APPOINTING DESIGNATED FILER AND AUTHORIZED SIGNATORY
Each of the undersigned entities and individuals (collectively, the
"Reporting Persons") hereby designates the entity listed in Column II of EXHIBIT
A hereto, or such other person or entity as is designated in writing by George
A. Pavlov (any such entity is referred to as the "Designated Filer") as the
beneficial owner to make filings of Schedules 13D and 13G (and any amendments
thereto) pursuant to Section 13(d) of the Securities Exchange Act of 1934 (the
"Exchange Act") and of Forms 3, 4 and 5 (and any amendments thereto) pursuant to
Section 16(a) of the Exchange Act (collectively, the "Reports") with respect to
the securities of the entities listed in Column I of EXHIBIT A hereto and with
respect to the securities of any other entity whose securities are now, or
hereafter become, publicly traded and whose securities are beneficially owned
(directly or indirectly) both by such Reporting Person and by such Designated
Filer (collectively, the "Companies").
Each Reporting Person hereby further authorizes and designates
GEORGE A. PAVLOV (the "Authorized Signatory") to execute and file on behalf of
such Reporting Person the Reports with respect to the securities of the
Companies, including all Schedules 13D and 13G and Forms 3, 4 and 5, and any
amendments thereto, that the Reporting Person may be required to file with the
United States Securities and Exchange Commission as a result of the Reporting
Person's ownership of, or transactions in securities of the Companies.
The authority of the Designated Filer and the Authorized Signatory
under this document with respect to each Reporting Person shall continue until
such Reporting Person is no longer required to file Schedules 13D or 13G or
Forms 3, 4 and 5 with respect to the Reporting Person's ownership of, or
transactions in, the securities of the Companies, unless earlier revoked in
writing. Each Reporting Person acknowledges that the Designated Filer and the
Authorized Signatory are not assuming any of the Reporting Person's
responsibilities to comply with Section 13(d) or Section 16 of the Exchange Act.
Date: February 10, 1997 MAYFIELD VI INVESTMENT PARTNERS,
a California Limited Partnership
By: Mayfield VI Management Partners,
a California Limited Partnership,
Its General Partner
By: /s/ George A. Pavlov
------------------------------------------
George A. Pavlov, Authorized Signatory
Page 16 of 21 pages
<PAGE> 17
Date: February 10, 1997 MAYFIELD VI MANAGEMENT PARTNERS
A California Limited Partnership
By: /s/ George A. Pavlov
------------------------------------------
George A. Pavlov, Authorized Signatory
Date: February 10, 1997 MAYFIELD VII
A California Limited Partnership
By: Mayfield VII Management Partners,
a California Limited Partnership,
Its General Partner
By: /s/ George A. Pavlov
------------------------------------------
George A. Pavlov, Authorized Signatory
Date: February 10, 1997 MAYFIELD VII MANAGEMENT PARTNERS
A California Limited Partnership
By: /s/ George A. Pavlov
------------------------------------------
George A. Pavlov, Authorized Signatory
Date: February 10, 1997 MAYFIELD VIII,
A California Limited Partnership
By: Mayfield VIII Management, L.L.C.,
Its General Partner
By: /s/ George A. Pavlov
------------------------------------------
George A. Pavlov, Authorized Signatory
Date: February 10, 1997 MAYFIELD VIII MANAGEMENT, L.L.C.
A Delaware Limited Liability Company
By: /s/ George A. Pavlov
------------------------------------------
George A. Pavlov, Authorized Signatory
Date: February 10, 1997 MAYFIELD ASSOCIATES FUND II
A California Limited Partnership
By: /s/ George A. Pavlov
------------------------------------------
George A. Pavlov, Authorized Signatory
Date: February 10, 1997 MAYFIELD MEDICAL PARTNERS (1992)
A California Partnership
Page 17 of 21 pages
<PAGE> 18
By: Mayfield VII,
a California Limited Partnership,
Its General Partner
By: Mayfield VII Management Partners,
a California Limited Partnership,
Its General Partner
By: /s/ George A. Pavlov
------------------------------------------
George A. Pavlov, Authorized Signatory
Date: February 10, 1997 MAYFIELD ASSOCIATES FUND
A California Limited Partnership
By: /s/ George A. Pavlov
------------------------------------------
George A. Pavlov, Authorized Signatory
Date: February 10, 1997 MAYFIELD MEDICAL PARTNERS
A California Partnership
By: Mayfield VI Investment Partners,
a California Limited Partnership,
Its General Partner
By: Mayfield VI Management Partners,
a California Limited Partnership,
Its General Partner
By: /s/ George A. Pavlov
------------------------------------------
George A. Pavlov, Authorized Signatory
Date: February 10, 1997 YOGEN K. DALAL
By: /s/ Yogen K. Dalal
------------------------------------------
Yogen K. Dalal
Date: February 10, 1997 F. GIBSON MYERS, JR.
By: /s/ F. Gibson Myers, Jr.
------------------------------------------
F. Gibson Myers, Jr.
Date: February 10, 1997 KEVIN A. FONG
By: /s/ Kevin A. Fong
------------------------------------------
Kevin A. Fong
Page 18 of 21 pages
<PAGE> 19
Date: February 10, 1997 WILLIAM D. UNGER
By: /s/ William D. Unger
------------------------------------------
William D. Unger
Date: February 10, 1997 WENDELL G. VAN AUKEN, III
B: /s/ Wendell G. Van Auken, III
------------------------------------------
Wendell G. Van Auken, III
Date: February 10, 1997 MICHAEL J. LEVINTHAL
By: /s/ Michael J. Levinthal
------------------------------------------
Michael J. Levinthal
Date: February 10, 1997 A. GRANT HEIDRICH, III
By: /s/ A. Grant Heidrich, III
------------------------------------------
A. Grant Heidrich, III
Date: February 10, 1997 WENDE S. HUTTON
By: /s/ Wende S. Hutton
------------------------------------------
Wende S. Hutton
Date: February 10, 1997 RUSSELL C. HIRSCH
By: /s/ Russell C. Hirsch
------------------------------------------
Russell C. Hirsch
Page 19 of 21 pages
<PAGE> 20
EXHIBIT A
<TABLE>
<CAPTION>
- -------------------------------------------------------------------------------------------------
PUBLICLY TRADED COMPANY DESIGNATED FILER PERSONS/ENTITIES ON WHOSE BEHALF
THE DESIGNATED FILER MAY ACT
- -------------------------------------------------------------------------------------------------
<S> <C> <C>
Tularik Inc. Mayfield VI Investment Partners Mayfield Medical Partners,
Mayfield VI Management
Partners, Mayfield
Associates, F. Gibson Myers,
Jr., Kevin A. Fong, William
D. Unger, Wendell G. Van
Auken, III, III, Michael J.
Levinthal, A. Grant Heidrich,
III
- -------------------------------------------------------------------------------------------------
</TABLE>
Page 20 of 21 pages
<PAGE> 21
EXHIBIT 2
<TABLE>
<CAPTION>
PERCENT OF CLASS
BENEFICIALLY
NAME OF REPORTING PERSON NUMBER OF SHARES OWNED(1)
- ------------------------------------------- ------------------- ----------------
<S> <C> <C>
Mayfield Medical Partners, a California 479,818 1.1%
Partnership
Mayfield VI Investment Partners, 3,807,815 (2) 8.9%
a California Limited Partnership
Mayfield VI Management Partners, a 3,807,815 (2) 8.9%
California Limited Partnership
Mayfield Associates Fund, a California 158,659 0.4%
Limited Partnership
F. Gibson Myers, Jr. 3,966,474 (3) 9.2%
Kevin A. Fong 3,966,474 (3) 9.2%
William D. Unger 3,966,474 (3) 9.2%
Wendell G. Van Auken, III 3,966,474 (3) 9.2%
Michael J. Levinthal 3,966,474 (3) 9.2%
A. Grant Heidrich, III 3,997,922 (3), (4) 9.3%
Total 3,997,922 9.3%
</TABLE>
(1) The respective percentages set forth in this column were obtained by
dividing the number of shares by the aggregate number of outstanding shares of
Common Stock as reported in the Company's Registration Statement on Form S-1.
(2) Represents 479,818 shares held of record by Mayfield Medical Partners and
3,327,997 shares held of record by Mayfield VI Investment Partners. The sole
General Partner of Mayfield Medical Partners is Mayfield VI Investment Partners.
The sole General Partner of Mayfield VI Investment Partners is Mayfield VI
Management Partners.
(3) The individual Reporting Persons are General Partners of Mayfield VI
Management Partners, which is the General Partner of Mayfield VI Investment
Partners, which is the General Partner of Mayfield Medical Partners. The
individual Reporting Persons, except for Mr. Fong, are also General Partners of
Mayfield Associates Fund. Mr. Fong is a limited partner of Mayfield Associates
Fund. The individual Reporting Persons may be deemed to have shared voting and
dispositive power over the shares which are or may be deemed to be beneficially
owned by Mayfield VI Management Partners and Mayfield Associates Fund, but
disclaim such beneficial ownership.
(4) Includes 1,500 shares held of record by A. Grant Heidrich, III, and options
to purchase 29,958 shares (which are or will be vested within 60 days). Excludes
unvested options to purchase 19,042 shares.
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