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._______)*
Cobalt Networks Inc.
- --------------------------------------------------------------------------------
(Name of Issuer)
Common Stock
- --------------------------------------------------------------------------------
(Title of Class of Securities)
19074R101
- --------------------------------------------------------------------------------
(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)
*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 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 ("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).
(Continued on following pages)
Page 1 of 16 Pages
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<TABLE>
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CUSIP NO. 19074R101 13 G Page 2 of 16 Pages
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<S> <C>
1 NAME OF REPORTING PERSON
I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS (ENTITIES ONLY)
August Capital II, L.P. ("August II")
Tax ID Number: 94-3303776
- ------------ ---------------------------------------------------------------------------------------------------------
2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*
(a) [ ] (b) [X]
- ------------ ---------------------------------------------------------------------------------------------------------
3 SEC USE ONLY
- ------------ ---------------------------------------------------------------------------------------------------------
4 CITIZENSHIP OR PLACE OF ORGANIZATION
Delaware
- ------------ ---------------------------------------------------------------------------------------------------------
NUMBER OF 5 SOLE VOTING POWER
SHARES
BENEFICIALLY 2,583,782 shares, except that ACM II, the general partner of August II,
OWNED BY EACH may be deemed to have sole voting power and John Johnston ("Johnston"),
REPORTING David F. Marquardt ("Marquardt"), Andrew S. Rappaport ("Rappaport") and
PERSON Andrew Anker ("Anker"), the members of ACM II, may be deemed to have
WITH shared power to vote these shares.
-------- ------------------------------------------------------------------------
6 SHARED VOTING POWER
See response to row 5.
-------- ------------------------------------------------------------------------
7 SOLE DISPOSITIVE POWER
2,583,782 shares, except that ACM II, the general partner of August II,
may be deemed to have sole dispositive power and Johnston, Marquardt,
Rappaport and Anker, the members of ACM II, may be deemed to have shared
power to dispose of these shares.
-------- ------------------------------------------------------------------------
8 SHARED DISPOSITIVE POWER
See response to row 5.
- ------------------------------------ -------- ------------------------------------------------------------------------
9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH
REPORTING PERSON 2,583,782
- ------------ ---------------------------------------------------------------------------------------------------------
10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9)
EXCLUDES CERTAIN SHARES* [ ]
- ------------ ---------------------------------------------------------------------------------------------------------
11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9
6.06%
- ------------ ---------------------------------------------------------------------------------------------------------
12 TYPE OF REPORTING PERSON*
PN
- ------------ ---------------------------------------------------------------------------------------------------------
<FN>
*SEE INSTRUCTIONS BEFORE FILLING OUT!
</FN>
</TABLE>
<PAGE>
<TABLE>
<CAPTION>
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CUSIP NO. 19074R101 13 G Page 3 of 16 Pages
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<S> <C>
1 NAME OF REPORTING PERSON
I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS (ENTITIES ONLY)
August Capital Strategic Partners II, L.P. ("Partners II")
Tax ID Number: 94-3312511
- ------------ ---------------------------------------------------------------------------------------------------------
2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*
(a) [ ] (b) [X]
- ------------ ---------------------------------------------------------------------------------------------------------
3 SEC USE ONLY
- ------------ ---------------------------------------------------------------------------------------------------------
4 CITIZENSHIP OR PLACE OF ORGANIZATION
Delaware
- ------------ ---------------------------------------------------------------------------------------------------------
NUMBER OF 5 SOLE VOTING POWER
SHARES
BENEFICIALLY 118,919 shares, except that ACM II, the general partner of Partners II,
OWNED BY EACH may be deemed to have sole voting power and John Johnston ("Johnston"),
REPORTING David F. Marquardt ("Marquardt"), Andrew S. Rappaport ("Rappaport") and
PERSON Andrew Anker ("Anker"), the members of ACM II, may be deemed to have
WITH shared power to vote these shares.
-------- ------------------------------------------------------------------------
6 SHARED VOTING POWER
See response to row 5.
-------- ------------------------------------------------------------------------
7 SOLE DISPOSITIVE POWER
118,919 shares, except that ACM II, the general partner of Partners II,
may be deemed to have sole dispositive power and Johnston, Marquardt,
Rappaport and Anker, the members of ACM II, may be deemed to have shared
power to dispose of these shares.
-------- ------------------------------------------------------------------------
8 SHARED DISPOSITIVE POWER
See response to row 5.
- ------------------------------------ -------- ------------------------------------------------------------------------
9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH
REPORTING PERSON 118,919
- ------------ ---------------------------------------------------------------------------------------------------------
10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9)
EXCLUDES CERTAIN SHARES* [ ]
- ------------ ---------------------------------------------------------------------------------------------------------
11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9
0.28%
- ------------ ---------------------------------------------------------------------------------------------------------
12 TYPE OF REPORTING PERSON*
PN
- ------------ ---------------------------------------------------------------------------------------------------------
<FN>
*SEE INSTRUCTIONS BEFORE FILLING OUT!
</FN>
</TABLE>
<PAGE>
<TABLE>
<CAPTION>
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CUSIP NO. 19074R101 13 G Page 4 of 16 Pages
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<S> <C>
1 NAME OF REPORTING PERSON
I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS (ENTITIES ONLY)
August Capital Management II, L.L.C. ("ACM II")
Tax ID Number: 94-3303773
- ------------ ---------------------------------------------------------------------------------------------------------
2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*
(a) [ ] (b) [X]
- ------------ ---------------------------------------------------------------------------------------------------------
3 SEC USE ONLY
- ------------ ---------------------------------------------------------------------------------------------------------
4 CITIZENSHIP OR PLACE OF ORGANIZATION
Delaware
- ------------ ---------------------------------------------------------------------------------------------------------
NUMBER OF 5 SOLE VOTING POWER
SHARES 2,702,701 shares, of which 2,583,782 are directly owned by August II
BENEFICIALLY and 118,919 are directly owned by Partners II. Johnston, Marquardt,
OWNED BY Rappaport and Anker, the members of ACM II, may be deemed to have shared
EACH REPORTING power to vote these shares.
PERSON -------- ------------------------------------------------------------------------
WITH 6 SHARED VOTING POWER
0 shares
-------- ------------------------------------------------------------------------
7 SOLE DISPOSITIVE POWER
2,702,701 shares, of which 2,583,782 are directly owned by August II
and 118,919 are directly owned by Partners II. Johnston, Marquardt,
Rappaport and Anker, the members of ACM II, may be deemed to have shared
power to dispose of these shares.
-------- ------------------------------------------------------------------------
8 SHARED DISPOSITIVE POWER
0 shares
- ------------------------------------ -------- ------------------------------------------------------------------------
9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH
REPORTING PERSON 2,702,701
- ------------ ---------------------------------------------------------------------------------------------------------
10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9)
EXCLUDES CERTAIN SHARES* [ ]
- ------------ ---------------------------------------------------------------------------------------------------------
11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9
6.34%
- ------------ ---------------------------------------------------------------------------------------------------------
12 TYPE OF REPORTING PERSON*
OO
- ------------ ---------------------------------------------------------------------------------------------------------
<FN>
*SEE INSTRUCTIONS BEFORE FILLING OUT!
</FN>
</TABLE>
<PAGE>
<TABLE>
<CAPTION>
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CUSIP NO. 19074R101 13 G Page 5 of 16 Pages
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<S> <C>
1 NAME OF REPORTING PERSON
I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS (ENTITIES ONLY)
John Johnston ("Johnston")
Tax ID Number:
- ------------ ---------------------------------------------------------------------------------------------------------
2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*
(a) [ ] (b) [X]
- ------------ ---------------------------------------------------------------------------------------------------------
3 SEC USE ONLY
- ------------ ---------------------------------------------------------------------------------------------------------
4 CITIZENSHIP OR PLACE OF ORGANIZATION
Delaware
- ------------ ---------------------------------------------------------------------------------------------------------
NUMBER OF 5 SOLE VOTING POWER
SHARES 2,702,701 shares, of which 2,583,782 are directly owned by August II
BENEFICIALLY and 118,919 are directly owned by Partners II. ACM II is the general
OWNED BY EACH partner of August II and Partners II, and Johnston, a member of ACM
REPORTING II, may be deemed to have shared power to vote these shares.
PERSON WITH -------- ------------------------------------------------------------------------
6 SHARED VOTING POWER
See response to row 5.
-------- ------------------------------------------------------------------------
7 SOLE DISPOSITIVE POWER
2,702,701 shares, of which 2,583,782 are directly owned by August II
and 118,919 are directly owned by Partners II. ACM II is the general
partner of August II and Partners II, and Johnston, a member of ACM
II, may be deemed to have shared power to dispose of these shares.
-------- ------------------------------------------------------------------------
8 SHARED DISPOSITIVE POWER
See response to row 5.
- ------------------------------------ -------- ------------------------------------------------------------------------
9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH
REPORTING PERSON 2,702,701
- ------------ ---------------------------------------------------------------------------------------------------------
10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9)
EXCLUDES CERTAIN SHARES* [ ]
- ------------ ---------------------------------------------------------------------------------------------------------
11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9
6.34%
- ------------ ---------------------------------------------------------------------------------------------------------
12 TYPE OF REPORTING PERSON*
IN
- ------------ ---------------------------------------------------------------------------------------------------------
<FN>
*SEE INSTRUCTIONS BEFORE FILLING OUT!
</FN>
</TABLE>
<PAGE>
<TABLE>
<CAPTION>
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CUSIP NO. 19074R101 13 G Page 6 of 16 Pages
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<S> <C>
1 NAME OF REPORTING PERSON
I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS (ENTITIES ONLY)
David F. Marquardt ("Marquardt")
Tax ID Number:
- ------------ ---------------------------------------------------------------------------------------------------------
2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*
(a) [ ] (b) [X]
- ------------ ---------------------------------------------------------------------------------------------------------
3 SEC USE ONLY
- ------------ ---------------------------------------------------------------------------------------------------------
4 CITIZENSHIP OR PLACE OF ORGANIZATION
Delaware
- ------------ ---------------------------------------------------------------------------------------------------------
NUMBER OF 5 SOLE VOTING POWER
SHARES 0 shares
BENEFICIALLY -------- ------------------------------------------------------------------------
OWNED BY EACH 6 SHARED VOTING POWER
REPORTING 2,702,701 shares, of which 2,583,782 are directly owned by August II and
PERSON WITH 118,919 are directly owned by Partners II. ACM II is the general partner
of August II and Partners II, and Marquardt, a member of ACM II, may be
deemed to have shared power to vote these shares.
-------- ------------------------------------------------------------------------
7 SOLE DISPOSITIVE POWER
0 shares
-------- ------------------------------------------------------------------------
8 SHARED DISPOSITIVE POWER
2,702,701 shares, of which 2,583,782 are directly owned by August II and
118,919 are directly owned by Partners II. ACM II is the general partner
of August II and Partners II, and Marquardt, a member of ACM II, may be
deemed to have shared power to dispose of these shares.
- ------------------------------------ -------- ------------------------------------------------------------------------
9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH
REPORTING PERSON 2,702,701
- ------------ ---------------------------------------------------------------------------------------------------------
10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9)
EXCLUDES CERTAIN SHARES* [ ]
- ------------ ---------------------------------------------------------------------------------------------------------
11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9
6.34%
- ------------ ---------------------------------------------------------------------------------------------------------
12 TYPE OF REPORTING PERSON*
IN
- ------------ ---------------------------------------------------------------------------------------------------------
<FN>
*SEE INSTRUCTIONS BEFORE FILLING OUT!
</FN>
</TABLE>
<PAGE>
<TABLE>
<CAPTION>
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CUSIP NO. 19074R101 13 G Page 7 of 16 Pages
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<S> <C>
1 NAME OF REPORTING PERSON
I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS (ENTITIES ONLY)
Andrew S. Rappaport ("Rappaport")
Tax ID Number:
- ------------ ---------------------------------------------------------------------------------------------------------
2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*
(a) [ ] (b) [X]
- ------------ ---------------------------------------------------------------------------------------------------------
3 SEC USE ONLY
- ------------ ---------------------------------------------------------------------------------------------------------
4 CITIZENSHIP OR PLACE OF ORGANIZATION
Delaware
- ------------ ---------------------------------------------------------------------------------------------------------
NUMBER OF 5 SOLE VOTING POWER
SHARES 0 shares
BENEFICIALLY -------- ------------------------------------------------------------------------
OWNED BY EACH 6 SHARED VOTING POWER
REPORTING 2,702,701 shares, of which 2,583,782 are directly owned by August II and
PERSON WITH 118,919 are directly owned by Partners II. ACM II is the general partner
of August II and Partners II, and Rappaport, a member of ACM II, may be
deemed to have shared power to vote these shares.
-------- ------------------------------------------------------------------------
7 SOLE DISPOSITIVE POWER
0 shares
-------- ------------------------------------------------------------------------
8 SHARED DISPOSITIVE POWER
2,702,701 shares, of which 2,583,782 are directly owned by August II and
118,919 are directly owned by Partners II. ACM II is the general partner
of August II and Partners II, and Rappaport, a member of ACM II, may be
deemed to have shared power to dispose of these shares.
- ------------------------------------ -------- ------------------------------------------------------------------------
9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH
REPORTING PERSON 2,702,701
- ------------ ---------------------------------------------------------------------------------------------------------
10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9)
EXCLUDES CERTAIN SHARES* [ ]
- ------------ ---------------------------------------------------------------------------------------------------------
11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9
6.34%
- ------------ ---------------------------------------------------------------------------------------------------------
12 TYPE OF REPORTING PERSON*
IN
- ------------ ---------------------------------------------------------------------------------------------------------
<FN>
*SEE INSTRUCTIONS BEFORE FILLING OUT!
</FN>
</TABLE>
<PAGE>
<TABLE>
<CAPTION>
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CUSIP NO. 19074R101 13 G Page 8 of 16 Pages
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<S> <C>
1 NAME OF REPORTING PERSON
I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS (ENTITIES ONLY)
Andrew Anker ("Anker")
Tax ID Number:
- ------------ ---------------------------------------------------------------------------------------------------------
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. Citizen
- ------------ ---------------------------------------------------------------------------------------------------------
NUMBER OF 5 SOLE VOTING POWER
SHARES 0 shares
BENEFICIALLY -------- ------------------------------------------------------------------------
OWNED BY EACH 6 SHARED VOTING POWER
REPORTING 2,702,701 shares, of which 2,583,782 are directly owned by August II and
PERSON WITH 118,919 are directly owned by Partners II. ACM II is the general partner
of August II and Partners II, and Anker, a member of ACM II, may be
deemed to have shared power to vote these shares.
-------- ------------------------------------------------------------------------
7 SOLE DISPOSITIVE POWER
0 shares
-------- ------------------------------------------------------------------------
8 SHARED DISPOSITIVE POWER
2,702,701 shares, of which 2,583,782 are directly owned by August II and
118,919 are directly owned by Partners II. ACM II is the general partner
of August II and Partners II, and Anker, a member of ACM II, may be
deemed to have shared power to dispose of these shares.
- ------------------------------------ -------- ------------------------------------------------------------------------
9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH
REPORTING PERSON 2,702,701
- ------------ ---------------------------------------------------------------------------------------------------------
10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9)
EXCLUDES CERTAIN SHARES* [ ]
- ------------ ---------------------------------------------------------------------------------------------------------
11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9
6.34%
- ------------ ---------------------------------------------------------------------------------------------------------
12 TYPE OF REPORTING PERSON*
IN
- ------------ ---------------------------------------------------------------------------------------------------------
<FN>
*SEE INSTRUCTIONS BEFORE FILLING OUT!
</FN>
</TABLE>
<PAGE>
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CUSIP NO. 19074R101 13 G Page 9 of 16 Pages
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ITEM 1(a). NAME OF ISSUER:
---------------
Cobalt Networks Inc.
ITEM 1(b). ADDRESS OF ISSUER'S PRINCIPAL EXECUTIVE OFFICES:
------------------------------------------------
555 Ellis Street
Mountain View, California 94043
ITEM 2(a). NAME OF PERSON FILING:
----------------------
This statement is filed by August Capital II, L.P., a Delaware
limited partnership ("August II"), August Capital Strategic
Partners, L.P., a Delaware limited partnership ("Partners
II"), August Capital Management II, L.L.C. a Delaware limited
liability company ("ACM II"), John Johnston ("Johnston"),
David F. Marquardt ("Marquardt"), Andrew S. Rappaport
("Rappaport") and Andrew Anker ("Anker"). The foregoing
entities and individuals are collectively referred to as the
"Reporting Persons".
ACM II is the general partner of August II and Partners II,
and may be deemed to have sole power to vote and sole power to
dispose of shares of the issuer directly owned by August II
and Partners II. Johnston, Marquardt, Rappaport and Anker are
the managing members of ACM II, and may be deemed to have
shared power to vote and shared power to dispose of the shares
of issuer directly owned by August II and Partners II.
ITEM 2(b). ADDRESS OF PRINCIPAL BUSINESS OFFICE, OR, IF NONE, RESIDENCE:
-------------------------------------------------------------
The address of the principal business office for each of the
Reporting Persons is:
August Capital
2480 Sand Hill Road, Suite 101
Menlo Park, California 94025
ITEM 2(c) CITIZENSHIP:
------------
August II and Partners II are Delaware limited partnerships.
ACM II is a Delaware limited liability company. Johnston,
Marquardt, Rappaport and Anker are United States Citizens.
ITEM 2(d). TITLE OF CLASS OF SECURITIES:
-----------------------------
Common Stock
ITEM 2(e). CUSIP NUMBER:
-------------
19074R101
ITEM 3. Not Applicable
--------------
<PAGE>
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CUSIP NO. 19074R101 13 G Page 10 of 16 Pages
- -------------------- --------------------
ITEM 4. OWNERSHIP:
----------
The following information with respect to the ownership of the
Common Stock of the issuer by the persons filing this
Statement is provided as of December 31, 1999:
(a) Amount beneficially owned:
-------------------------
See Row 9 of cover page for each Reporting Person.
(b) Percent of Class:
----------------
See Row 11 of cover page for each Reporting Person.
(c) Number of shares as to which such person has:
--------------------------------------------
(i) Sole power to vote or to direct the vote:
-----------------------------------------------
See Row 5 of cover page for each Reporting
Person.
(ii) Shared power to vote or to direct the vote:
-----------------------------------------------
See Row 6 of cover page for each Reporting
Person.
(iii)Sole power to dispose or to direct the
disposition of:
-----------------------------------------------
See Row 7 of cover page for each Reporting
Person.
(iv) Shared power to dispose or to direct the
disposition of:
-----------------------------------------------
See Row 8 of cover page for each Reporting
Person.
<PAGE>
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CUSIP NO. 19074R101 13 G Page 11 of 16 Pages
- -------------------- --------------------
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 August II and Partners II, the
general and limited partners of each of such entities may be
deemed to have the right to receive dividends from, or the
proceeds from, the sale of shares of the issuer owned by each
such entity of which they are a partner.
ITEM7. 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>
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CUSIP NO. 19074R101 13 G Page 12 of 16 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.
Dated: February 7, 2000
By: /s/ John Johnston
------------------------------
John Johnston, individually,
and on behalf of August II, in
his capacity as a managing
member of ACM II, the general
partner of August II, on
behalf of Partners II, in his
capacity as a managing member
of ACM II, the general partner
of Partners II, and on behalf
of ACM IIin his capacity as a
managing member thereof.
By: /s/ David F. Marquardt
------------------------------
David F. Marquardt
By: /s/ Andrew S. Rappaport
------------------------------
Andrew S. Rappaport
By: /s/ Andrew Anker
------------------------------
Andrew Anker
<PAGE>
- -------------------- --------------------
CUSIP NO. 19074R101 13 G Page 13 of 16 Pages
- -------------------- --------------------
EXHIBIT INDEX
-------------
Found on
Sequentially
Exhibit Numbered Page
- ------- --------------
Exhibit A: Agreement of Joint Filing 14
Exhibit B: Power of Attorney 15
<PAGE>
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CUSIP NO. 19074R101 13 G Page 14 of 16 Pages
- -------------------- --------------------
EXHIBIT A
---------
Agreement of Joint Filing
-------------------------
The undersigned hereby agree that a single Schedule 13G (or any
amendment thereto) relating to the Common Stock of Cobalt Networks Inc. shall be
filed on behalf of each of the undersigned and that this Agreement shall be
filed as an exhibit to such Schedule 13G.
Date: February 7, 2000
By: /s/ John Johnston
------------------------------
John Johnston, individually,
and on behalf of August II, in
his capacity as a managing
member of ACM II, the general
partner of August II, on
behalf of Partners II, in his
capacity as a managing member
of ACM II, the general partner
of Partners II, and on behalf
of ACM IIin his capacity as a
managing member thereof.
By: /s/ David F. Marquardt
------------------------------
David F. Marquardt
By: /s/ Andrew S. Rappaport
------------------------------
Andrew S. Rappaport
By: /s/ Andrew Anker
------------------------------
Andrew Anker
<PAGE>
- -------------------- --------------------
CUSIP NO. 19074R101 13 G Page 15 of 16 Pages
- -------------------- --------------------
Exhibit B
POWER OF ATTORNEY
Each of the undersigned entities and individuals (collectively, the
"Reporting Persons") hereby authorizes and designates August Capital Management
II, L.L.C. or such other person or entity as is designated in writing by Mark G.
Wilson (the "Designated Filer") as the beneficial owner to prepare and file on
behalf of such Reporting Person individually, or jointly together with the other
Reporting Persons, any and all reports, notices, communications and other
documents (including, but not limited to, reports on Schedule 13D, Schedule 13G,
Form 3, Form 4 and Form 5) that such Reporting Person may be required to file
with the United States Securities and Exchange Commission pursuant to the
Securities Act of 1933, as amended (together with the implementing regulations
thereto, the "Act") and the Securities Exchange Act of 1934, as amended
(together with the implementing regulations thereto, the "Exchange Act")
(collectively, the "Reports") with respect to the Reporting Person's ownership
of, or transactions in, securities of any entity whose securities are
beneficially owned (directly or indirectly) by such Reporting Person
(collectively, the "Companies").
Each Reporting Person hereby further authorizes and designates Mark G.
Wilson (the "Authorized Signatory") to execute and file on behalf of such
Reporting Person the Reports and to perform any and all other acts, which in the
opinion of the Designated Filer or Authorized Signatory may be necessary or
incidental to the performance of the foregoing powers herein granted.
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 any Reports 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 the Act or the Exchange
Act.
February ___, 2000 AUGUST CAPITAL MANAGEMENT II, L.L.C.,
a Delaware Limited Liability Company
By:
--------------------------------------
Mark G. Wilson, Member
<PAGE>
- -------------------- --------------------
CUSIP NO. 19074R101 13 G Page 16 of 16 Pages
- -------------------- --------------------
February ___, 2000 AUGUST CAPITAL II, L.P.,
a Delaware Limited Partnership
By: August Capital Management II, L.L.C.,
a Delaware Limited Liability Company
Its General Partner
By:
--------------------------------------
Mark. G. Wilson, Member
February ___, 2000 AUGUST CAPITAL STRATEGIC PARTNERS II, L.P.,
a Delaware Limited Partnership
By: August Capital Management II, L.L.C.,
a Delaware Limited Liability Company
Its General Partner
By:
--------------------------------------
Mark G. Wilson, Member
February ___, 2000 By: --------------------------------------
David F. Marquardt
February ___, 2000 By: --------------------------------------
John R. Johnston
February ___, 2000 By: --------------------------------------
Andrew S. Rappaport
February ___, 2000 By: --------------------------------------
Andrew L. Anker
