UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
WASHINGTON, D.C. 20549
SCHEDULE 13G
(Amendment No. _2_)*
UNDER THE SECURITIES EXCHANGE ACT OF 1934
MMCN Networks, Inc.
----------------------------------
(Name of Issuer)
Common Stock
----------------------------------
(Title of Class of Securities)
55308N102
----------------------------------
(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)
|X| Rule 13d-1(c)
|_| 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 16 Pages
<PAGE>
- -------------------------------- ------------------------
CUSIP No. 55308N102 13G Page 2 of 16 Pages
- -------------------------------- ------------------------
- ------------- ------------------------------------------------------------------
1 NAME OF REPORTING PERSONS
S.S. or I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS
Institutional Venture Partners VI 94-3198856
- ------------- ------------------------------------------------------------------
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
- ---------------------------- ------- -------------------------------------------
NUMBER OF SHARES 5 SOLE VOTING POWER
BENEFICIALLY OWNED BY EACH
REPORTING PERSON WITH none
------- -------------------------------------------
6 SHARED VOTING POWER
1,315,662
------- -------------------------------------------
7 SOLE DISPOSITIVE POWER
none
------- -------------------------------------------
8 SHARED DISPOSITIVE POWER
1,315,662
- ------------- ------------------------------------------------------------------
9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
1,315,662
- ------------- ------------------------------------------------------------------
10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN
SHARES*
- ------------- ------------------------------------------------------------------
11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9
4.1%
- ------------- ------------------------------------------------------------------
12 TYPE OF REPORTING PERSON*
PN
- ------------- ------------------------------------------------------------------
Page 2 of 16 Pages
<PAGE>
- -------------------------------- ------------------------
CUSIP No. 55308N102 13G Page 3 of 16 Pages
- -------------------------------- ------------------------
- ------------- ------------------------------------------------------------------
1 NAME OF REPORTING PERSONS
S.S. or I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS
Institutional Venture Management VI 94-3198855
- ------------- ------------------------------------------------------------------
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
- ---------------------------- ------- -------------------------------------------
NUMBER OF SHARES 5 SOLE VOTING POWER
BENEFICIALLY OWNED BY EACH
REPORTING PERSON WITH none
------- -------------------------------------------
6 SHARED VOTING POWER
1,315,662
------- -------------------------------------------
7 SOLE DISPOSITIVE POWER
none
------- -------------------------------------------
8 SHARED DISPOSITIVE POWER
1,315,662
- ---------------------------- ------- -------------------------------------------
9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
1,315,662
- ------------- ------------------------------------------------------------------
10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN
SHARES*
- ------------- ------------------------------------------------------------------
11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9
4.1%
- ------------- ------------------------------------------------------------------
12 TYPE OF REPORTING PERSON*
PN
- ------------- ------------------------------------------------------------------
*SEE INSTRUCTIONS BEFORE FILLING OUT!
Page 3 of 16 Pages
<PAGE>
- -------------------------------- ------------------------
CUSIP No. 55308N102 13G Page 4 of 16 Pages
- -------------------------------- ------------------------
- ------------- ------------------------------------------------------------------
1 NAME OF REPORTING PERSONS
S.S. or I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS
Samuel D. Colella ###-##-####
- ------------- ------------------------------------------------------------------
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
- ---------------------------- ------- -------------------------------------------
NUMBER OF SHARES 5 SOLE VOTING POWER
BENEFICIALLY OWNED BY EACH
REPORTING PERSON WITH 43,775
------- -------------------------------------------
6 SHARED VOTING POWER
1,315,662
------- -------------------------------------------
7 SOLE DISPOSITIVE POWER
43,775
------- -------------------------------------------
8 SHARED DISPOSITIVE POWER
1,315,662
- ---------------------------- ------- -------------------------------------------
9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
1,359,437
- ------------- ------------------------------------------------------------------
10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN
SHARES*
- ------------- ------------------------------------------------------------------
11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9
4.3%
- ------------- ------------------------------------------------------------------
12 TYPE OF REPORTING PERSON*
IN
- ------------- ------------------------------------------------------------------
*SEE INSTRUCTIONS BEFORE FILLING OUT!
Page 4 of 16 Pages
<PAGE>
- -------------------------------- ------------------------
CUSIP No. 55308N102 13G Page 5 of 16 Pages
- -------------------------------- ------------------------
- ------------- ------------------------------------------------------------------
1 NAME OF REPORTING PERSONS
S.S. or I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS
Reid W. Dennis ###-##-####
- ------------- ------------------------------------------------------------------
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
- ---------------------------- ------- -------------------------------------------
NUMBER OF SHARES 5 SOLE VOTING POWER
BENEFICIALLY OWNED BY EACH
REPORTING PERSON WITH 73,786
------- -------------------------------------------
6 SHARED VOTING POWER
1,315,662
------- -------------------------------------------
7 SOLE DISPOSITIVE POWER
73,786
------- -------------------------------------------
8 SHARED DISPOSITIVE POWER
1,315,662
- ------------- ------------------------------------------------------------------
9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
1,389,448
- ------------- ------------------------------------------------------------------
10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN
SHARES*
- ------------- ------------------------------------------------------------------
11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9
4.4%
- ------------- ------------------------------------------------------------------
12 TYPE OF REPORTING PERSON*
IN
- ------------- ------------------------------------------------------------------
*SEE INSTRUCTIONS BEFORE FILLING OUT!
Page 5 of 16 Pages
<PAGE>
- -------------------------------- ------------------------
CUSIP No. 55308N102 13G Page 6 of 16 Pages
- -------------------------------- ------------------------
- ------------- ------------------------------------------------------------------
1 NAME OF REPORTING PERSONS
S.S. or I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS
Mary Jane Elmore ###-##-####
- ------------- ------------------------------------------------------------------
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
- ---------------------------- ------- -------------------------------------------
NUMBER OF SHARES 5 SOLE VOTING POWER
BENEFICIALLY OWNED BY EACH
REPORTING PERSON WITH 14,709
------- -------------------------------------------
6 SHARED VOTING POWER
1,315,662
------- -------------------------------------------
7 SOLE DISPOSITIVE POWER
14,709
------- -------------------------------------------
8 SHARED DISPOSITIVE POWER
1,315,662
- ------------- ------------------------------------------------------------------
9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
1,330,371
- ------------- ------------------------------------------------------------------
10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN
SHARES*
- ------------- ------------------------------------------------------------------
11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9
4.2%
- ------------- ------------------------------------------------------------------
12 TYPE OF REPORTING PERSON*
IN
- ------------- ------------------------------------------------------------------
*SEE INSTRUCTIONS BEFORE FILLING OUT!
Page 6 of 16 Pages
<PAGE>
- -------------------------------- ------------------------
CUSIP No. 55308N102 13G Page 7 of 16 Pages
- -------------------------------- ------------------------
- ------------- ------------------------------------------------------------------
1 NAME OF REPORTING PERSONS
S.S. or I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS
Norman A. Fogelsong ###-##-####
- ------------- ------------------------------------------------------------------
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
- ---------------------------- ------- -------------------------------------------
NUMBER OF SHARES 5 SOLE VOTING POWER
BENEFICIALLY OWNED BY EACH
REPORTING PERSON WITH 144,743
------- -------------------------------------------
6 SHARED VOTING POWER
1,315,662
------- -------------------------------------------
7 SOLE DISPOSITIVE POWER
144,743
------- -------------------------------------------
8 SHARED DISPOSITIVE POWER
1,315,662
- ------------- ------------------------------------------------------------------
9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
1,460,405
- ------------- ------------------------------------------------------------------
10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN
SHARES*
- ------------- ------------------------------------------------------------------
11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9
4.6%
- ------------- ------------------------------------------------------------------
12 TYPE OF REPORTING PERSON*
IN
- ------------- ------------------------------------------------------------------
*SEE INSTRUCTIONS BEFORE FILLING OUT!
Page 7 of 16 Pages
<PAGE>
- -------------------------------- ------------------------
CUSIP No. 55308N102 13G Page 8 of 16 Pages
- -------------------------------- ------------------------
- ------------- ------------------------------------------------------------------
1 NAME OF REPORTING PERSONS
S.S. or I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS
Ruthann Quindlen ###-##-####
- ------------- ------------------------------------------------------------------
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
- ---------------------------- ------- -------------------------------------------
NUMBER OF SHARES 5 SOLE VOTING POWER
BENEFICIALLY OWNED BY EACH
REPORTING PERSON WITH 31,983
------- -------------------------------------------
6 SHARED VOTING POWER
1,315,662
------- -------------------------------------------
7 SOLE DISPOSITIVE POWER
31,893
------- -------------------------------------------
8 SHARED DISPOSITIVE POWER
1,315,662
- ------------- ------------------------------------------------------------------
9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
1,347,645
- ------------- ------------------------------------------------------------------
10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN
SHARES*
- ------------- ------------------------------------------------------------------
11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9
4.2%
- ------------- ------------------------------------------------------------------
12 TYPE OF REPORTING PERSON*
IN
- ------------- ------------------------------------------------------------------
*SEE INSTRUCTIONS BEFORE FILLING OUT!
Page 8 of 16 Pages
<PAGE>
- -------------------------------- ------------------------
CUSIP No. 55308N102 13G Page 9 of 16 Pages
- -------------------------------- ------------------------
- ------------- ------------------------------------------------------------------
1 NAME OF REPORTING PERSONS
S.S. or I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS
L. James Strand ###-##-####
- ------------- ------------------------------------------------------------------
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
- ---------------------------- ------- -------------------------------------------
NUMBER OF SHARES 5 SOLE VOTING POWER
BENEFICIALLY OWNED BY EACH
REPORTING PERSON WITH 56,783
------- -------------------------------------------
6 SHARED VOTING POWER
1,315,662
------- -------------------------------------------
7 SOLE DISPOSITIVE POWER
56,783
------- -------------------------------------------
8 SHARED DISPOSITIVE POWER
1,315,662
- ------------- ------------------------------------------------------------------
9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
1,372,445
- ------------- ------------------------------------------------------------------
10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN
SHARES*
- ------------- ------------------------------------------------------------------
11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9
4.3%
- ------------- ------------------------------------------------------------------
12 TYPE OF REPORTING PERSON*
IN
- ------------- ------------------------------------------------------------------
*SEE INSTRUCTIONS BEFORE FILLING OUT!
Page 9 of 16 Pages
<PAGE>
- -------------------------------- ------------------------
CUSIP No. 55308N102 13G Page 10 of 16 Pages
- -------------------------------- ------------------------
- ------------- ------------------------------------------------------------------
1 NAME OF REPORTING PERSONS
S.S. or I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS
T. Peter Thomas ###-##-####
- ------------- ------------------------------------------------------------------
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
- ---------------------------- ------- -------------------------------------------
NUMBER OF SHARES 5 SOLE VOTING POWER
BENEFICIALLY OWNED BY EACH
REPORTING PERSON WITH 21,300
------- -------------------------------------------
6 SHARED VOTING POWER
1,315,662
------- -------------------------------------------
7 SOLE DISPOSITIVE POWER
21,300
------- -------------------------------------------
8 SHARED DISPOSITIVE POWER
1,315,662
- ------------- ------------------------------------------------------------------
9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
1,336,962
- ------------- ------------------------------------------------------------------
10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN
SHARES*
- ------------- ------------------------------------------------------------------
11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9
4.2%
- ------------- ------------------------------------------------------------------
12 TYPE OF REPORTING PERSON*
IN
- ------------- ------------------------------------------------------------------
*SEE INSTRUCTIONS BEFORE FILLING OUT!
Page 10 of 16 Pages
<PAGE>
- -------------------------------- ------------------------
CUSIP No. 55308N102 13G Page 11 of 16 Pages
- -------------------------------- ------------------------
- ------------- ------------------------------------------------------------------
1 NAME OF REPORTING PERSONS
S.S. or I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS
Geoffrey Y. Yang ###-##-####
- ------------- ------------------------------------------------------------------
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
- ---------------------------- ------- -------------------------------------------
NUMBER OF SHARES 5 SOLE VOTING POWER
BENEFICIALLY OWNED BY EACH
REPORTING PERSON WITH 124,488
------- -------------------------------------------
6 SHARED VOTING POWER
1,315,662
------- -------------------------------------------
7 SOLE DISPOSITIVE POWER
124,488
------- -------------------------------------------
8 SHARED DISPOSITIVE POWER
1,315,662
- ------------- ------------------------------------------------------------------
9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
1,440,150
- ------------- ------------------------------------------------------------------
10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN
SHARES*
- ------------- ------------------------------------------------------------------
11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9
4.5%
- ------------- ------------------------------------------------------------------
12 TYPE OF REPORTING PERSON*
IN
- ------------- ------------------------------------------------------------------
*SEE INSTRUCTIONS BEFORE FILLING OUT!
Page 11 of 16 Pages
<PAGE>
- -------------------------------- ------------------------
CUSIP No. 55308N102 13G Page 12 of 16 Pages
- -------------------------------- ------------------------
- ------------- ------------------------------------------------------------------
1 NAME OF REPORTING PERSONS
S.S. or I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS
IVP Founders Fund I 94-3231480
- ------------- ------------------------------------------------------------------
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
- ---------------------------- ------- -------------------------------------------
NUMBER OF SHARES 5 SOLE VOTING POWER
BENEFICIALLY OWNED BY EACH
REPORTING PERSON WITH none
------- -------------------------------------------
6 SHARED VOTING POWER
1,315,662
------- -------------------------------------------
7 SOLE DISPOSITIVE POWER
none
------- -------------------------------------------
8 SHARED DISPOSITIVE POWER
1,315,662
- ------------- ------------------------------------------------------------------
9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
1,315,662
- ------------- ------------------------------------------------------------------
10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN
SHARES*
- ------------- ------------------------------------------------------------------
11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9
4.1%
- ------------- ------------------------------------------------------------------
12 TYPE OF REPORTING PERSON*
PN
- ------------- ------------------------------------------------------------------
*SEE INSTRUCTIONS BEFORE FILLING OUT!
Page 12 of 16 Pages
<PAGE>
Item 1.
(a) Name of Issuer: MMC Networks, Inc.
(b) Address of Issuer's Principal Executive Offices:
1134 E. Arques Avenue
Sunnyvale, CA 94086
Item 2.
(a) Name of Persons Filing:
Institutional Venture
Partners VI ("IVP")
Institutional Venture Management
VI ("IVM")
IVP Founders Fund I ("FFI")
Samuel D. Colella ("SDC")
Reid W. Dennis ("RWD")
Mary Jane Elmore ("MJE")
Norman A. Fogelsong ("NAF")
Ruthann Quindlen ("RAQ")
L. James Strand ("LJS")
T. Peter Thomas ("TPT")
Geoffrey Y. Yang ("GYY")
IVM is the General Partner of IVP and FFI. SDC, RWD, MJE, NAF, RAQ, LJS, TPT, &
GYY are General Partners of IVM.
(b) Address of Principal Business Office or, if None, Residence:
3000 Sand Hill Road
Building 2, Suite 290
Menlo Park, CA 94025
(c) Citizenship:
IVP & IVM & FFI: California
SDC, RWD, MJE, NAF, RAQ, LJS, TPT,
GYY: United States
(d) Title of Class of Securities:
Common Stock
(e) CUSIP Number: 55308N102
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 through 11 of cover pages
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 |X|.
Instruction. Dissolution of a group requires a response to this item.
Page 13 of 16 Pages
<PAGE>
Item 6. Ownership of More than Five Percent on Behalf of Another Person
Under certain circumstances set forth in IVP and IVM's Limited Partnership
Agreements, the General Partners and Limited Partners of each of such funds have
the right to receive dividends from, or the proceeds from the sale of, the
Common Stock of Issuer owned by each such fund.
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
[The following certification shall be included if the statement is filed
pursuant to Rule 13d-1(b):]
By signing below I certify that, to the best of my knowledge and belief,
the securities referred to above were acquired in the ordinary course of
business and were not acquired for the purpose of and do not have the effect of
changing or influencing the control of the issuer of such securities and were
not acquired in connection with or as a participant in any transaction having
such purpose or effect.]
[EXHIBITS]
[A: Joint Filing Statement]
Page 14 of 16 Pages
<PAGE>
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 1, 2000
INSTITUTIONAL VENTURE PARTNERS VI INSTITUTIONAL VENTURE MANAGEMENT VI
By its General Partner,
Institutional Venture Management VI
- -------------------------------- --------------------------------
Geoffrey Y. Yang, General Partner Geoffrey Y. Yang, General Partner
IVP FOUNDERS FUND I
By its General Partner,
Institutional Venture Management VI
- --------------------------------
Geoffrey Y. Yang, General Partner
- --------------------------------
Samuel D. Colella
- --------------------------------
Reid W. Dennis
- --------------------------------
Mary Jane Elmore
- --------------------------------
Norman A. Fogelsong
- --------------------------------
Ruthann Quindlen
- --------------------------------
L. James Strand
- --------------------------------
T. Peter Thomas
- --------------------------------
Geoffrey Y. Yang
Page 15 of 16 Pages
<PAGE>
EXHIBIT A
JOINT FILING STATEMENT
Pursuant to Rule 13d-1(f)(1), we, the undersigned, hereby express our
agreement that the attached Schedule 13G is filed on behalf of each of us.
Date: February 1, 2000
INSTITUTIONAL VENTURE PARTNERS VI INSTITUTIONAL VENTURE MANAGEMENT VI
By its General Partner,
Institutional Venture Management VI
- -------------------------------- --------------------------------
Geoffrey Y. Yang, General Partner Geoffrey Y. Yang, General Partner
IVP FOUNDERS FUND I
By its General Partner,
Institutional Venture Management VI
- --------------------------------
Geoffrey Y. Yang, General Partner
- --------------------------------
Samuel D. Colella
- --------------------------------
Reid W. Dennis
- --------------------------------
Mary Jane Elmore
- --------------------------------
Norman A. Fogelsong
- --------------------------------
Ruthann Quindlen
- --------------------------------
L. James Strand
- --------------------------------
T. Peter Thomas
- --------------------------------
Geoffrey Y. Yang
Page 16 of 16 Pages
