<PAGE>
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) AND (c) AND AMENDMENTS THERETO FILED
PURSUANT TO 13d-2(b)
(AMENDMENT NO. _____)(1)
POWER INTEGRATIONS, INC.
- --------------------------------------------------------------------------------
(NAME OF ISSUER)
COMMON STOCK
- --------------------------------------------------------------------------------
(TITLE OF CLASS OF SECURITIES)
0007392761
- --------------------------------------------------------------------------------
(CUSIP NUMBER)
- -----------------
(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 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 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>
CUSIP NO. 0007392761 13G Page 2 of 17 Pages
1 NAME OF REPORTING PERSONS
I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS (ENTITIES ONLY)
Kleiner Perkins Caufield & Byers IV, L.P., a California
limited partnership ("KPCB IV") 94-3001663
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 Limited Partnership
5 SOLE VOTING POWER
NUMBER - 0 -
OF
SHARES 6 SHARED VOTING POWER
BENEFICIALLY 878,468
OWNED BY
REPORTING 7 SOLE DISPOSITIVE POWER
PERSON - 0 -
WITH
8 SHARED DISPOSITIVE POWER
878,468
9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH
REPORTING PERSON
878,468
10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9)
EXCLUDES CERTAIN SHARES*
/ /
11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9
7.3%
12 TYPE OF REPORTING PERSON*
PN
*SEE INSTRUCTIONS BEFORE FILLING OUT!
<PAGE>
CUSIP NO. 0007392761 13G Page 3 of 17 Pages
1 NAME OF REPORTING PERSONS
I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS (ENTITIES ONLY)
KPCB IV Associates, L.P., a California
limited partnership ("KPCB IV Associates") 94-3001662
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 Limited Partnership
5 SOLE VOTING POWER
NUMBER - 0 -
OF
SHARES 6 SHARED VOTING POWER
BENEFICIALLY 893,443 shares of which 878,468
OWNED BY shares are directly held by KPCB IV
REPORTING and 14,975 shares are directly held
PERSON by KPCB Zaibatsu Fund I, a
WITH California limited partnership
("KPCB ZF I"). KPCB IV Associates
is the general partner of KPCB IV
and KPCB ZF I.
7 SOLE DISPOSITIVE POWER
- 0 -
8 SHARED DISPOSITIVE POWER
893,443 shares of which 878,468
shares are directly held by KPCB IV
and 14,975 shares are directly held
by KPCB ZF I. KPCB IV Associates is
the general partner of KPCB IV.
9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH
REPORTING PERSON
893,443
10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9)
EXCLUDES CERTAIN SHARES*
/ /
11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9
7.4%
12 TYPE OF REPORTING PERSON*
PN
*SEE INSTRUCTIONS BEFORE FILLING OUT!
<PAGE>
CUSIP NO. 0007392761 13G Page 4 of 17 Pages
1 NAME OF REPORTING PERSONS
I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS (ENTITIES ONLY)
Brook Byers
2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*
(a) / / (b) /X/
3 SEC USE ONLY
4 CITIZENSHIP OR PLACE OF ORGANIZATION
United States
5 SOLE VOTING POWER
NUMBER - 0 -
OF
SHARES 6 SHARED VOTING POWER
BENEFICIALLY 918,443 shares of which 878,468 shares are directly
OWNED BY held by KPCB IV, 14,975 shares are directly held
REPORTING by KPCB ZF I, and 25,000 shares are directly held
PERSON by KPCB VIII Associates, L.P., a California limited
WITH partnership ("KPCB VIII Associates"). KPCB IV
Associates, L.P., a California limited partnership
("KPCB IV Associates") is the general partner of
KPCB IV and KPCB ZF I. Mr. Byers is a general
partner of KPCB IV Associates and KPCB VIII
Associates. Mr. Byers disclaims beneficial
ownership of the shares held directly by KPCB IV,
KPCB ZF I and KPCB VIII Associates.
7 SOLE DISPOSITIVE POWER
- 0 -
8 SHARED DISPOSITIVE POWER
918,443 shares of which 878,468 shares are directly
held by KPCB IV, 14,975 shares are directly held
by KPCB ZF I, and 25,000 shares are directly held
by KPCB VIII Associates. KPCB IV Associates is
the general partner of KPCB and KPCB ZF I. Mr.
Byers is a general partner of KPCB VI Associates
and KPCB VIII Associates. Mr. Byers disclaims
beneficial ownership of the shares held directly by
KPCB IV, KPCB ZF I and KPCB VIII Associates.
9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
918,443
10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES*
/ /
11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9
7.6%
12 TYPE OF REPORTING PERSON*
IN
*SEE INSTRUCTIONS BEFORE FILLING OUT!
<PAGE>
CUSIP NO. 0007392761 13G Page 5 of 17 Pages
1 NAME OF REPORTING PERSONS
I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS (ENTITIES ONLY)
L. John Doerr
2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*
(a) / / (b) /X/
3 SEC USE ONLY
4 CITIZENSHIP OR PLACE OF ORGANIZATION
United States
5 SOLE VOTING POWER
NUMBER - 0 -
OF
SHARES 6 SHARED VOTING POWER
BENEFICIALLY 918,443 shares of which 878,468 shares are directly
OWNED BY held by KPCB IV, 14,975 shares are directly held
REPORTING by KPCB ZF I, and 25,000 shares are directly held
PERSON by KPCB VIII Associates. KPCB IV Associates is the
WITH general partner of KPCB IV and KPCB ZF I. Mr.
Doerr is a general partner of KPCB VII Associates
and KPCB VIII Associates. Mr. Doerr disclaims
beneficial ownership of the shares held directly by
KPCB IV, KPCB ZF I and KPCB VIII Associates.
7 SOLE DISPOSITIVE POWER
- 0 -
8 SHARED DISPOSITIVE POWER
918,443 shares of which 878,468 shares are directly
held by KPCB IV, 14,975 shares are directly held
by KPCB ZF I, and 25,000 shares are directly held
by KPCB VIII Associates. KPCB IV Associates is
the general partner of KPCB IV and KPCB ZF I. Mr.
Doerr is a general partner of KPCB VI Associates
and KPCB VIII Associates. Mr. Doerr disclaims
beneficial ownership of the shares held directly by
KPCB IV, KPCB ZF I and KPCB VIII Associates.
9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH
REPORTING PERSON
918,443
10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9)
EXCLUDES CERTAIN SHARES*
/ /
11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9
7.6%
12 TYPE OF REPORTING PERSON*
IN
*SEE INSTRUCTIONS BEFORE FILLING OUT!
<PAGE>
CUSIP NO. 0007392761 13G Page 6 of 17 Pages
1 NAME OF REPORTING PERSONS
I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS (ENTITIES ONLY)
Vinod Khosla
2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*
(a) / / (b) /X/
3 SEC USE ONLY
4 CITIZENSHIP OR PLACE OF ORGANIZATION
United States
5 SOLE VOTING POWER
NUMBER - 0 -
OF
SHARES 6 SHARED VOTING POWER
BENEFICIALLY 918,443 shares of which 878,468 shares are directly
OWNED BY held by KPCB IV, 14,975 shares are directly held
REPORTING by KPCB ZF I, and 25,000 shares are directly held
PERSON by KPCB VIII Associates. KPCB IV Associates is the
WITH general partner of KPCB IV and KPCB ZF I. Mr.
Khosla is a general partner of KPCB VII ASSociates
and KPCB VIII Associates. Mr. Khosla disclaims
beneficial ownership of the shares held directly by
KPCB IV, KPCB ZF I and KPCB VIII Associates.
7 SOLE DISPOSITIVE POWER
- 0 -
8 SHARED DISPOSITIVE POWER
918,443 shares of which 878,468 shares are directly
held by KPCB IV, 14,975 shares are directly held
by KPCB ZF I, and 25,000 shares are directly held
by KPCB VIII Associates. KPCB IV Associates is
the general partner of KPCB IV and KPCB ZF I. Mr.
Khosla is a general partner of KPCB VII Associates
and KPCB VIII Associates. Mr. Khosla disclaims
beneficial ownership of the shares held directly by
KPCB IV, KPCB ZF I and KPCB VIII Associates.
9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH
REPORTING PERSON
918,443
10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9)
EXCLUDES CERTAIN SHARES*
/ /
11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9
7.6%
12 TYPE OF REPORTING PERSON*
IN
*SEE INSTRUCTIONS BEFORE FILLING OUT!
<PAGE>
CUSIP NO. 0007392761 13G Page 7 of 17 Pages
1 NAME OF REPORTING PERSONS
I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS (ENTITIES ONLY)
Frank Caufield
2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*
(a) / / (b) /X/
3 SEC USE ONLY
4 CITIZENSHIP OR PLACE OF ORGANIZATION
United States
5 SOLE VOTING POWER
NUMBER - 0 -
OF
SHARES 6 SHARED VOTING POWER
BENEFICIALLY 893,443 shares of which 878,468 shares are directly
OWNED BY held by KPCB IV and 14,975 shares are directly held
REPORTING by KPCB ZF I. KPCB IV Associates is the general
PERSON partner of KPCB IV and KPCB ZF I. Mr. Caufield is
WITH a general partner of KPCB IV Associates. Mr.
Caufield disclaims beneficial ownership of the
shares held directly by KPCB IV.
7 SOLE DISPOSITIVE POWER
- 0 -
8 SHARED DISPOSITIVE POWER
893,443 shares of which 878,468 shares are directly
held by KPCB IV and 14,975 shares are directly held
by KPCB ZF I. KPCB IV Associates is the general
partner of KPCB IV and KPCB ZF I. Mr. Caufield is
a general partner of KPCB IV Associates. Mr.
Caufield disclaims beneficial ownership of the
shares held directly by KPCB IV.
9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH
REPORTING PERSON
893,443
10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9)
EXCLUDES CERTAIN SHARES*
/ /
11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9
7.4%
12 TYPE OF REPORTING PERSON*
IN
*SEE INSTRUCTIONS BEFORE FILLING OUT!
<PAGE>
CUSIP NO. 0007392761 13G Page 8 of 17 Pages
1 NAME OF REPORTING PERSONS
I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS (ENTITIES ONLY)
Regis McKenna
2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*
(a) / / (b) /X/
3 SEC USE ONLY
4 CITIZENSHIP OR PLACE OF ORGANIZATION
United States
5 SOLE VOTING POWER
NUMBER - 0 -
OF
SHARES 6 SHARED VOTING POWER
BENEFICIALLY 893,443 shares of which 878,468 shares are directly
OWNED BY held by KPCB IV and 14,975 are directly held by
REPORTING KPCB ZF I. KPCB IV Associates is the general
PERSON partner of KPCB IV and KPCB ZF I. Mr. McKenna is a
WITH general partner of KPCB IV Associates. Mr. McKenna
disclaims beneficial ownership of the shares held
directly by KPCB IV.
7 SOLE DISPOSITIVE POWER
- 0 -
8 SHARED DISPOSITIVE POWER
893,443 shares of which 878,468 shares are directly
held by KPCB IV and 14,975 are directly held by
KPCB ZF I. KPCB IV Associates is the general
partner of KPCB IV and KPCB ZF I. Mr. McKenna is a
general partner of KPCB IV Associates. Mr. McKenna
disclaims beneficial ownership of the shares held
directly by KPCB IV.
9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH
REPORTING PERSON
893,443
10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9)
EXCLUDES CERTAIN SHARES*
/ /
11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9
7.4%
12 TYPE OF REPORTING PERSON*
IN
*SEE INSTRUCTIONS BEFORE FILLING OUT!
<PAGE>
CUSIP NO. 0007392761 13G Page 9 of 17 Pages
1 NAME OF REPORTING PERSONS
I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS (ENTITIES ONLY)
E. Floyd Kvamme
2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*
(a) / / (b) /X/
3 SEC USE ONLY
4 CITIZENSHIP OR PLACE OF ORGANIZATION
United States
5 SOLE VOTING POWER
NUMBER 35,000
OF
SHARES 6 SHARED VOTING POWER
BENEFICIALLY 893,443 shares of which 878,468 shares are directly
OWNED BY held by KPCB IV and 14,975 shares are directly held
REPORTING by KPCB ZF I. KPCB IV Associates is the general
PERSON partner of KPCB IV and KPCB ZF I. Mr. Kvamme is a
WITH general partner of KPCB IV Associates and KPCB VI
Associates. Mr. Kvamme disclaims beneficial
ownership of the shares held directly by KPCB IV.
7 SOLE DISPOSITIVE POWER
35,000
8 SHARED DISPOSITIVE POWER
893,443 shares of which 878,468 shares are directly
held by KPCB IV and 14,975 shares are directly held
by KPCB ZF I. KPCB IV Associates is the general
partner of KPCB IV and KPCB ZF I. Mr. Kvamme is a
general partner of KPCB IV Associates and KPCB VI
Associates. Mr. Kvamme disclaims beneficial
ownership of the shares held directly by KPCB IV.
9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH
REPORTING PERSON
928,443
10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9)
EXCLUDES CERTAIN SHARES*
/ /
11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9
7.7%
12 TYPE OF REPORTING PERSON*
IN
*SEE INSTRUCTIONS BEFORE FILLING OUT!
<PAGE>
CUSIP NO. 0007392761 13G Page 10 of 17 Pages
1 NAME OF REPORTING PERSONS
I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS (ENTITIES ONLY)
Thomas Perkins
2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*
(a) / / (b) /X/
3 SEC USE ONLY
4 CITIZENSHIP OR PLACE OF ORGANIZATION
United States
5 SOLE VOTING POWER
NUMBER - 0 -
OF 6 SHARED VOTING POWER
SHARES 893,443 shares of which 878,468 shares are directly
BENEFICIALLY held by KPCB IV and 14,975 shares are directly held
OWNED BY by KPCB ZF I. KPCB IV Associates is the general
REPORTING partner of KPCB IV and KPCB ZF I. Mr. Perkins is a
PERSON general partner of KPCB IV Associates. Mr. Perkins
WITH disclaims beneficial ownership of the shares held
directly by KPCB IV.
7 SOLE DISPOSITIVE POWER
- 0 -
8 SHARED DISPOSITIVE POWER
893,443 shares of which 878,468 shares are directly
held by KPCB IV and 14,975 shares are directly held
by KPCB ZF I. KPCB IV Associates is the general
partner of KPCB IV and KPCB ZF I. Mr. Perkins is a
general partner of KPCB IV Associates. Mr. Perkins
disclaims beneficial ownership of the shares held
directly by KPCB IV.
9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH
REPORTING PERSON
878,468
10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9)
EXCLUDES CERTAIN SHARES*
/ /
11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9
7.3%
12 TYPE OF REPORTING PERSON*
IN
*SEE INSTRUCTIONS BEFORE FILLING OUT!
<PAGE>
Page 11 of 17 Pages
ITEM 1(a) NAME OF ISSUER:
Power Integrations, Inc.
ITEM 1(b) ADDRESS OF ISSUER'S PRINCIPAL EXECUTIVE OFFICES:
477 North Mathilda Avenue
Sunnyvale, CA 94086
ITEM 2(a)-(c) NAME, ADDRESS AND CITIZENSHIP OF PERSONS FILING:
This statement is being filed by KPCB IV Associates, whose principal
business address is 2750 Sand Hill Road, Menlo Park, California 94025. The
names and business addresses and citizenships of all the general partners of
KPCB IV Associates are set forth on Exhibit B hereto. In addition, certain
general partners of KPCB IV Associates are also general partners of KPCB VIII
Associates.
KPCB IV Associates is general partner to KPCB IV and KPCB ZF I.
With respect to KPCB IV Associates, this statement relates only to KPCB IV
Associates' and, for those general partners of KPCB IV Associates who are also
general partners of KPCB VIII Associates, indirect, beneficial ownership of the
shares of Common Stock of Power Integrations, Inc., held directly by KPCB IV,
KPCB ZF I and KPCB VIII (the "Shares") and, to the extent applicable, to the
shares over which each general partner exercises sole voting and dispositive
control. The Shares are held directly by KPCB IV, KPCB ZF I and KPCB VIII not
directly or otherwise hold any Shares. Management of the business affairs of
KPCB IV Associates and KPCB VIII including decisions respecting disposition
and/or voting of the Shares, is by majority decision of the general partners of
KPCB IV Associates and KPCB VIII respectively, each of whom disclaims beneficial
ownership of the Shares.
ITEM 2(d) TITLE OF CLASS OF SECURITIES:
Common Stock
<PAGE>
Page 12 of 17 Pages
ITEM 2(e) CUSIP NUMBER:
0007392761
ITEM 3. IF THIS STATEMENT IS FILED PURSUANT TO RULES 13d-1(b) OR 13d-2(b),
CHECK WHETHER THE PERSON FILING IS A:
Not Applicable
ITEM 4. OWNERSHIP.
See rows 5-11 of cover pages hereto.
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 partnership
agreements of KPCB IV, KPCB IV Associates, KPCB ZF I and KPCB VIII
Associates the general and limited partners of such entities may
have the right to receive dividends on, or the proceeds from the
sale of the Shares of Power Integrations Inc. held by such entity.
No such partner's rights relate to more than five percent of the
class.
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>
Page 13 of 17 Pages
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 10, 1998
BROOK H. BYERS KPCB IV ASSOCIATES, L.P.,
L. JOHN DOERR A CALIFORNIA
VINOD KHOSLA LIMITED PARTNERSHIP
E. FLOYD KVAMME
THOMAS PERKINS
FRANK CAUFIELD
REGIS MCKENNA By: /s/ Brook H. Byers
----------------------------------------
A General Partner
By: /s/ Michael S. Curry KLEINER PERKINS CAUFIELD &
-------------------------- BYERS IV, L.P., A CALIFORNIA
Michael S. Curry LIMITED PARTNERSHIP
Attorney-in-Fact
By KPCB IV Associates, L.P., a
California Limited
Partnership, its General
Partner
By: /s/ Brook H. Byers
----------------------------------------
A General Partner
<PAGE>
Page 14 of 17 Pages
EXHIBIT INDEX
Found on
Sequentially
Exhibit Numbered Page
- ------- -------------
Exhibit A: Agreement of Joint Filing 15
Exhibit B: List of General Partners of KPCB IV Associates 16
<PAGE>
Page 15 of 17 Pages
EXHIBIT A
AGREEMENT OF JOINT FILING
The undersigned hereby agree that they are filing jointly pursuant
to Rule 13d-1 of the Act the amended statement dated February 10, 1998,
containing the information required by Schedule 13G, for the Shares of Power
Integrations, Inc., held by Kleiner Perkins Caufield & Byers IV, L.P., and, with
respect to the general partners, such other holdings as may be reported therein.
Date: February 10, 1998
BROOK H. BYERS KLEINER PERKINS CAUFIELD &
L. JOHN DOERR BYERS IV, L.P., A CALIFORNIA
VINOD KHOSLA LIMITED PARTNERSHIP
E. FLOYD KVAMME
THOMAS PERKINS By KPCB IV Associates, L.P., a
FRANK CAUFIELD California Limited
REGIS MCKENNA Partnership, its General
Partner
By: /s/ Michael S. Curry
--------------------------- By: /s/ Brook H. Byers
Michael S. Curry --------------------------------
Attorney-in-Fact A General Partner
KPCB IV ASSOCIATES, A
CALIFORNIA
LIMITED PARTNERSHIP
By: /s/ Brook H. Byers
--------------------------
A General Partner
<PAGE>
Page 16 of 17 Pages
EXHIBIT B
GENERAL PARTNERS OF
KPCB IV ASSOCIATES, A CALIFORNIA LIMITED PARTNERSHIP
Set forth below, with respect to each general partner of KPCB IV
Associates, is the following: (a) name; (b) business address; and (c)
citizenship.
1. (a) Thomas Perkins
(b) c/o Kleiner Perkins Caufield & Byers
2750 Sand Hill Road
Menlo Park, CA 94025
(c) United States Citizen
2. (a) Brook H. Byers+
(b) c/o Kleiner Perkins Caufield & Byers
2750 Sand Hill Road
Menlo Park, CA 94025
(c) United States Citizen
3. (a) Frank Caufield
(b) c/o Kleiner Perkins Caufield & Byers
2750 Sand Hill Road
Menlo Park, CA 94025
(c) United States Citizen
4. (a) L. John Doerr+
(b) c/o Kleiner Perkins Caufield & Byers
2750 Sand Hill Road
Menlo Park, CA 94025
(c) United States Citizen
5. (a) Regis McKenna
(b) c/o Kleiner Perkins Caufield & Byers
2750 Sand Hill Road
Menlo Park, CA 94025
(c) United States Citizen
6. (a) Vinod Khosla+
(b) c/o Kleiner Perkins Caufield & Byers
2750 Sand Hill Road
Menlo Park, CA 94025
(c) United States Citizen
<PAGE>
Page 17 of 17 Pages
7. (a) E. Floyd Kvamme
(b) c/o Kleiner Perkins Caufield & Byers
2750 Sand Hill Road
Menlo Park, CA 94025
(c) United States Citizen
- ----------------
+ Listed individual is also a general partner of KPCB VIII Associates, L.P.,
a California limited partnership.
