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UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
WASHINGTON, DC 20549
SCHEDULE 13G/A
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. 3)*
Aerogen, Inc.
--------------------------------------------------------------------------------
(Name of Issuer)
Common Stock
--------------------------------------------------------------------------------
(Title of Class of Securities)
007779 10 1
--------------------------------------------------------------------------------
(CUSIP Number)
12-31-2003
--------------------------------------------------------------------------------
(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)
*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 1 of 15 pages
CUSIP No. 007779 10 1 Page 2 of 15 Pages
--------------------------------------------------------------------------------
1 NAMES OF REPORTING PERSONS
I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY)
InterWest Partners VI, LP
--------------------------------------------------------------------------------
2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*
(a) |_|
(b) |_|
--------------------------------------------------------------------------------
3 SEC USE ONLY
--------------------------------------------------------------------------------
4 CITIZENSHIP OR PLACE OF ORGANIZATION
California
--------------------------------------------------------------------------------
5 SOLE VOTING POWER
245,412
--------------------------------------------------------
NUMBER OF 6 SHARED VOTING POWER
SHARES
BENEFICIALLY 0
OWNED BY --------------------------------------------------------
EACH 7 SOLE DISPOSITIVE POWER
REPORTING
PERSON 245,412
WITH --------------------------------------------------------
8 SHARED DISPOSITIVE POWER
0
--------------------------------------------------------------------------------
9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
245,412
--------------------------------------------------------------------------------
10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES*
|_|
--------------------------------------------------------------------------------
11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
5.6%
--------------------------------------------------------------------------------
12 TYPE OF REPORTING PERSON*
PN
--------------------------------------------------------------------------------
*SEE INSTRUCTION BEFORE FILLING OUT!
Page 2 of 15 pages
CUSIP No. 007779 10 1 Page 3 of 15 Pages
--------------------------------------------------------------------------------
1 NAMES OF REPORTING PERSONS
I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY)
InterWest Investors VI, LP
--------------------------------------------------------------------------------
2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*
(a) |_|
(b) |_|
--------------------------------------------------------------------------------
3 SEC USE ONLY
--------------------------------------------------------------------------------
4 CITIZENSHIP OR PLACE OF ORGANIZATION
California
--------------------------------------------------------------------------------
5 SOLE VOTING POWER
7,497
--------------------------------------------------------
NUMBER OF 6 SHARED VOTING POWER
SHARES
BENEFICIALLY 0
OWNED BY --------------------------------------------------------
EACH 7 SOLE DISPOSITIVE POWER
REPORTING
PERSON 7,497
WITH --------------------------------------------------------
8 SHARED DISPOSITIVE POWER
0
--------------------------------------------------------------------------------
9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
7,497
--------------------------------------------------------------------------------
10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES*
|_|
--------------------------------------------------------------------------------
11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
0.2%
--------------------------------------------------------------------------------
12 TYPE OF REPORTING PERSON*
PN
--------------------------------------------------------------------------------
*SEE INSTRUCTION BEFORE FILLING OUT!
Page 3 of 15 pages
CUSIP No. 007779 10 1 Page 4 of 15 Pages
--------------------------------------------------------------------------------
1 NAMES OF REPORTING PERSONS
I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY)
InterWest Management Partners VI, LLC (the general partner of InterWest
Partners VI, LP and InterWest Investors VI, LP)
--------------------------------------------------------------------------------
2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*
(a) |_|
(b) |_|
--------------------------------------------------------------------------------
3 SEC USE ONLY
--------------------------------------------------------------------------------
4 CITIZENSHIP OR PLACE OF ORGANIZATION
California
--------------------------------------------------------------------------------
5 SOLE VOTING POWER
252,909
--------------------------------------------------------
NUMBER OF 6 SHARED VOTING POWER
SHARES
BENEFICIALLY 0
OWNED BY --------------------------------------------------------
EACH 7 SOLE DISPOSITIVE POWER
REPORTING
PERSON 252,909
WITH --------------------------------------------------------
8 SHARED DISPOSITIVE POWER
0
--------------------------------------------------------------------------------
9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
252,909
--------------------------------------------------------------------------------
10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES*
|_|
--------------------------------------------------------------------------------
11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
5.8%
--------------------------------------------------------------------------------
12 TYPE OF REPORTING PERSON*
PN
--------------------------------------------------------------------------------
*SEE INSTRUCTION BEFORE FILLING OUT!
Page 4 of 15 pages
CUSIP No. 007779 10 1 Page 5 of 15 Pages
--------------------------------------------------------------------------------
1 NAMES OF REPORTING PERSONS
I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY)
Harvey B. Cash (a Managing Director of InterWest Management Partners VI,
LLC)
--------------------------------------------------------------------------------
2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*
(a) |_|
(b) |_|
--------------------------------------------------------------------------------
3 SEC USE ONLY
--------------------------------------------------------------------------------
4 CITIZENSHIP OR PLACE OF ORGANIZATION
United States
--------------------------------------------------------------------------------
5 SOLE VOTING POWER
0
--------------------------------------------------------
NUMBER OF 6 SHARED VOTING POWER
SHARES
BENEFICIALLY 252,909
OWNED BY --------------------------------------------------------
EACH 7 SOLE DISPOSITIVE POWER
REPORTING
PERSON 0
WITH --------------------------------------------------------
8 SHARED DISPOSITIVE POWER
252,909
--------------------------------------------------------------------------------
9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
252,909
--------------------------------------------------------------------------------
10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES*
|_|
--------------------------------------------------------------------------------
11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
5.8%
--------------------------------------------------------------------------------
12 TYPE OF REPORTING PERSON*
IN
--------------------------------------------------------------------------------
*SEE INSTRUCTION BEFORE FILLING OUT!
Neither the filing of this statement on Schedule 13G nor any of its contents
shall be deemed to constitute an admission by Harvey B. Cash that he is the
beneficial owner of any of the Common Stock 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 disclaimed, except to
the extent of his pecuniary interest.
Page 5 of 15 pages
CUSIP No. 007779 10 1 Page 6 of 15 Pages
--------------------------------------------------------------------------------
1 NAMES OF REPORTING PERSONS
I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY)
Philip T. Gianos (a Managing Director of InterWest Management Partners VI,
LLC)
--------------------------------------------------------------------------------
2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*
(a) |_|
(b) |_|
--------------------------------------------------------------------------------
3 SEC USE ONLY
--------------------------------------------------------------------------------
4 CITIZENSHIP OR PLACE OF ORGANIZATION
United States
--------------------------------------------------------------------------------
5 SOLE VOTING POWER
0
--------------------------------------------------------
NUMBER OF 6 SHARED VOTING POWER
SHARES
BENEFICIALLY 252,909
OWNED BY --------------------------------------------------------
EACH 7 SOLE DISPOSITIVE POWER
REPORTING
PERSON 0
WITH --------------------------------------------------------
8 SHARED DISPOSITIVE POWER
252,909
--------------------------------------------------------------------------------
9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
252,909
--------------------------------------------------------------------------------
10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES*
|_|
--------------------------------------------------------------------------------
11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
5.8%
--------------------------------------------------------------------------------
12 TYPE OF REPORTING PERSON*
IN
--------------------------------------------------------------------------------
*SEE INSTRUCTION BEFORE FILLING OUT!
Neither the filing of this statement on Schedule 13G nor any of its contents
shall be deemed to constitute an admission by Philip T. Gianos that he is the
beneficial owner of any of the Common Stock 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 disclaimed, except to
the extent of his pecuniary interest.
Page 6 of 15 pages
CUSIP No. 007779 10 1 Page 7 of 15 Pages
--------------------------------------------------------------------------------
1 NAMES OF REPORTING PERSONS
I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY)
W. Scott Hedrick (a Managing Director of InterWest Management Partners VI,
LLC)
--------------------------------------------------------------------------------
2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*
(a) |_|
(b) |_|
--------------------------------------------------------------------------------
3 SEC USE ONLY
--------------------------------------------------------------------------------
4 CITIZENSHIP OR PLACE OF ORGANIZATION
United States
--------------------------------------------------------------------------------
5 SOLE VOTING POWER
0
--------------------------------------------------------
NUMBER OF 6 SHARED VOTING POWER
SHARES
BENEFICIALLY 252,909
OWNED BY --------------------------------------------------------
EACH 7 SOLE DISPOSITIVE POWER
REPORTING
PERSON 0
WITH --------------------------------------------------------
8 SHARED DISPOSITIVE POWER
252,909
--------------------------------------------------------------------------------
9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
252,909
--------------------------------------------------------------------------------
10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES*
|_|
--------------------------------------------------------------------------------
11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
5.8%
--------------------------------------------------------------------------------
12 TYPE OF REPORTING PERSON*
IN
--------------------------------------------------------------------------------
*SEE INSTRUCTION BEFORE FILLING OUT!
Neither the filing of this statement on Schedule 13G nor any of its contents
shall be deemed to constitute an admission by W. Scott Hedrick that he is the
beneficial owner of any of the Common Stock 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 disclaimed, except to
the extent of his pecuniary interest.
Page 7 of 15 pages
CUSIP No. 007779 10 1 Page 8 of 15 Pages
--------------------------------------------------------------------------------
1 NAMES OF REPORTING PERSONS
I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY)
W. Stephen Holmes (a Managing Director of InterWest Management Partners
VI, LLC)
--------------------------------------------------------------------------------
2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*
(a) |_|
(b) |_|
--------------------------------------------------------------------------------
3 SEC USE ONLY
--------------------------------------------------------------------------------
4 CITIZENSHIP OR PLACE OF ORGANIZATION
United States
--------------------------------------------------------------------------------
5 SOLE VOTING POWER
0
--------------------------------------------------------
NUMBER OF 6 SHARED VOTING POWER
SHARES
BENEFICIALLY 252,909
OWNED BY --------------------------------------------------------
EACH 7 SOLE DISPOSITIVE POWER
REPORTING
PERSON 0
WITH --------------------------------------------------------
8 SHARED DISPOSITIVE POWER
252,909
--------------------------------------------------------------------------------
9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
252,909
--------------------------------------------------------------------------------
10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES*
|_|
--------------------------------------------------------------------------------
11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
5.8%
--------------------------------------------------------------------------------
12 TYPE OF REPORTING PERSON*
IN
--------------------------------------------------------------------------------
*SEE INSTRUCTION BEFORE FILLING OUT!
Neither the filing of this statement on Schedule 13G nor any of its contents
shall be deemed to constitute an admission by W. Stephen Holmes that he is the
beneficial owner of any of the Common Stock 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 disclaimed, except to
the extent of his pecuniary interest.
Page 8 of 15 pages
CUSIP No. 007779 10 1 Page 9 of 15 Pages
--------------------------------------------------------------------------------
1 NAMES OF REPORTING PERSONS
I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY)
Gilbert H. Kliman (a Venture Member of InterWest Management Partners VI,
LLC)
--------------------------------------------------------------------------------
2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*
(a) |_|
(b) |_|
--------------------------------------------------------------------------------
3 SEC USE ONLY
--------------------------------------------------------------------------------
4 CITIZENSHIP OR PLACE OF ORGANIZATION
United States
--------------------------------------------------------------------------------
5 SOLE VOTING POWER
0
--------------------------------------------------------
NUMBER OF 6 SHARED VOTING POWER
SHARES
BENEFICIALLY 252,909
OWNED BY --------------------------------------------------------
EACH 7 SOLE DISPOSITIVE POWER
REPORTING
PERSON 0
WITH --------------------------------------------------------
8 SHARED DISPOSITIVE POWER
252,909
--------------------------------------------------------------------------------
9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
252,909
--------------------------------------------------------------------------------
10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES*
|_|
--------------------------------------------------------------------------------
11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
5.8%
--------------------------------------------------------------------------------
12 TYPE OF REPORTING PERSON*
IN
--------------------------------------------------------------------------------
*SEE INSTRUCTION BEFORE FILLING OUT!
Neither the filing of this statement on Schedule 13G nor any of its contents
shall be deemed to constitute an admission by Gilbert H. Kliman that he is the
beneficial owner of any of the Common Stock 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 disclaimed, except to
the extent of his pecuniary interest.
Page 9 of 15 pages
CUSIP No. 007779 10 1 Page 10 of 15 Pages
--------------------------------------------------------------------------------
1 NAMES OF REPORTING PERSONS
I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY)
Robert R. Momsen (a Managing Director of InterWest Management Partners VI,
LLC)
--------------------------------------------------------------------------------
2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*
(a) |_|
(b) |_|
--------------------------------------------------------------------------------
3 SEC USE ONLY
--------------------------------------------------------------------------------
4 CITIZENSHIP OR PLACE OF ORGANIZATION
United States
--------------------------------------------------------------------------------
5 SOLE VOTING POWER
0
--------------------------------------------------------
NUMBER OF 6 SHARED VOTING POWER
SHARES
BENEFICIALLY 252,909
OWNED BY --------------------------------------------------------
EACH 7 SOLE DISPOSITIVE POWER
REPORTING
PERSON 0
WITH --------------------------------------------------------
8 SHARED DISPOSITIVE POWER
252,909
--------------------------------------------------------------------------------
9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
252,909
--------------------------------------------------------------------------------
10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES*
|_|
--------------------------------------------------------------------------------
11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
5.8%
--------------------------------------------------------------------------------
12 TYPE OF REPORTING PERSON*
IN
--------------------------------------------------------------------------------
*SEE INSTRUCTION BEFORE FILLING OUT!
Neither the filing of this statement on Schedule 13G nor any of its contents
shall be deemed to constitute an admission by Robert R. Momsen that he is the
beneficial owner of any of the Common Stock 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 disclaimed, except to
the extent of his pecuniary interest.
Page 10 of 15 pages
CUSIP No. 007779 10 1 Page 11 of 15 Pages
--------------------------------------------------------------------------------
1 NAMES OF REPORTING PERSONS
I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY)
Arnold L. Oronsky (a Managing Director of InterWest Management Partners
VI, LLC)
--------------------------------------------------------------------------------
2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*
(a) |_|
(b) |_|
--------------------------------------------------------------------------------
3 SEC USE ONLY
--------------------------------------------------------------------------------
4 CITIZENSHIP OR PLACE OF ORGANIZATION
United States
--------------------------------------------------------------------------------
5 SOLE VOTING POWER
0
--------------------------------------------------------
NUMBER OF 6 SHARED VOTING POWER
SHARES
BENEFICIALLY 252,909
OWNED BY --------------------------------------------------------
EACH 7 SOLE DISPOSITIVE POWER
REPORTING
PERSON 0
WITH --------------------------------------------------------
8 SHARED DISPOSITIVE POWER
252,909
--------------------------------------------------------------------------------
9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
252,909
--------------------------------------------------------------------------------
10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES*
|_|
--------------------------------------------------------------------------------
11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
5.8%
--------------------------------------------------------------------------------
12 TYPE OF REPORTING PERSON*
IN
--------------------------------------------------------------------------------
*SEE INSTRUCTION BEFORE FILLING OUT!
* Neither the filing of this statement on Schedule 13G nor any of its contents
shall be deemed to constitute an admission by Arnold L. Oronsky that he is the
beneficial owner of any of the Common Stock 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 disclaimed, except to
the extent of his pecuniary interest.
Page 11 of 15 pages
Item 1.
(a) Name of Issuer: Aerogen, Inc. ("Issuer")
(b) Address of Issuer's Principal Executive Offices:
2071 Stierlin Court
Mountain View, CA 94043
Item 2.
(a) Name of Person(s) Filing:
InterWest Partners VI, LP ("IWP VI")
InterWest Investors VI, LP ("II VI")
InterWest Management Partners VI, LLC ("IMP VI")
Harvey B. Cash ("Cash")
Philip T. Gianos ("Gianos")
W. Scott Hedrick ("Hedrick")
W. Stephen Holmes ("Holmes")
Gilbert H. Kliman ("Kliman")
Robert R. Momsen ("Momsen")
Arnold L. Oronsky ("Oronsky")
(b) Address of Principal Business Office or, if none, Residence:
2710 Sand Hill Road
Second Floor
Menlo Park, CA 94025
(c) Citizenship/Place of Organization:
IWP VI: California
II VI: California
IMP VI: California
Cash: United States
Gianos: United States
Hedrick: United States
Holmes: United States
Kliman: United States
Momsen: United States
Oronsky: United States
(d) Title of Class of Securities: Common Stock
(e) CUSIP Number: 007779 10 1
Item 3. Not applicable.
Page 12 of 15 pages
Item 4. Ownership.
======= ============= ========== ============ ============= =============
All
Other
IWP VI II VI IMP VI Individuals
*
------- ------------- ---------- ------------ ------------- -------------
(a) Beneficial
Ownership 245,412 7,497 252,909 252,909
------- ------------- ---------- ------------ ------------- -------------
(b) Percentage
of Class 5.6% 0.2% 5.8% 5.8%
------- ------------- ---------- ------------ ------------- -------------
(c) Sole Voting
Power 245,412 7,497 252,909 0
------- ------------- ---------- ------------ ------------- -------------
Shared
Voting Power 0 0 0 252,909
------- ------------- ---------- ------------ ------------- -------------
Sole
Dispositive
Power 245,412 7,497 252,909 0
------- ------------- ---------- ------------ ------------- -------------
Shared
Dispositive
Power 0 0 0 252,909
======= ============= ========== ============ ============= =============
*Individuals included in this column are Cash, Gianos, Hedrick, Holmes, Momsen
and Oronsky, all of whom are Managing Directors of IMP VI. Also included in this
column is Kliman who is a Venture Member of IMP VI.
Item 5. Ownership of Five Percent or Less of a Class
Not applicable.
Item 6. Ownership of More than Five Percent on Behalf of Another Person
Under certain circumstances set forth in the limited liability operating
agreement of IMP VI, the members of such limited liability company have the
right to receive dividends from, or the proceeds from the sale of, the Common
Stock of Issuer beneficially owned by such limited liability company.
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
No reporting person is a member of a group as defined in section
240.13d-1(b)(1)(iii)(H) of the Act.
Item 9. Notice of Dissolution of Group
Not applicable.
Item 10. Certification
Not applicable
EXHIBITS
A. Joint Filing Statement
Page 13 of 15 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: February __, 2004
INTERWEST PARTNERS VI, LP
By: InterWest Management Partners VI, LLC By: /s/ Harvey B. Cash
-------------------------
Name: Harvey B. Cash
By: /s/ W. Stephen Holmes
----------------------------------- By: /s/ Philip T. Gianos
Managing Director -------------------------
Name: Philip T. Gianos
INTERWEST INVESTORS VI, LP By: /s/ W. Scott Hedrick
-------------------------
Name: W. Scott Hedrick
By: InterWest Management Partners VI, LLC
By: /s/ W. Stephen Holmes
By: /s/ W. Stephen Holmes -------------------------
----------------------------------- Name: W. Stephen Holmes
Managing Director
By: /s/ Gilbert H. Kliman
-------------------------
INTERWEST MANAGEMENT PARTNERS VI, LLC Name: Gilbert H. Kliman
By: /s/ W. Stephen Holmes By: /s/ Robert R. Momsen
--------------------------------------- -------------------------
Managing Director Name: Robert R. Momsen
By: /s/ Arnold L. Oronsky
-------------------------
Name: Arnold L. Oronsky
Page 14 of 15 pages
EXHIBIT A
JOINT FILING STATEMENT
We, the undersigned, hereby express our agreement that the attached Schedule 13G
is filed on behalf of each of us.
Date: February __, 2004
INTERWEST PARTNERS VI, LP
By: InterWest Management Partners VI, LLC By: /s/ Harvey B. Cash
-------------------------
Name: Harvey B. Cash
By: /s/ W. Stephen Holmes
----------------------------------- By: /s/ Philip T. Gianos
Managing Director -------------------------
Name: Philip T. Gianos
INTERWEST INVESTORS VI, LP By: /s/ W. Scott Hedrick
-------------------------
Name: W. Scott Hedrick
By: InterWest Management Partners VI, LLC
By: /s/ W. Stephen Holmes
By: /s/ W. Stephen Holmes -------------------------
----------------------------------- Name: W. Stephen Holmes
Managing Director
By: /s/ Gilbert H. Kliman
-------------------------
INTERWEST MANAGEMENT PARTNERS VI, LLC Name: Gilbert H. Kliman
By: /s/ W. Stephen Holmes By: /s/ Robert R. Momsen
--------------------------------------- -------------------------
Managing Director Name: Robert R. Momsen
By: /s/ Arnold L. Oronsky
-------------------------
Name: Arnold L. Oronsky
Page 15 of 15 pages