-----BEGIN PRIVACY-ENHANCED MESSAGE----- Proc-Type: 2001,MIC-CLEAR Originator-Name: webmaster@www.sec.gov Originator-Key-Asymmetric: MFgwCgYEVQgBAQICAf8DSgAwRwJAW2sNKK9AVtBzYZmr6aGjlWyK3XmZv3dTINen TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB MIC-Info: RSA-MD5,RSA, HsFF+2YYbFQCwsL4h/h+dg0uA3WpymF9AwtY+7PICQPx99KizDskOz3bhkF12nFn 9EEU9r7II3f0I3yajP+B1A== 0000950005-02-000078.txt : 20020414 0000950005-02-000078.hdr.sgml : 20020414 ACCESSION NUMBER: 0000950005-02-000078 CONFORMED SUBMISSION TYPE: SC 13G/A PUBLIC DOCUMENT COUNT: 1 FILED AS OF DATE: 20020201 GROUP MEMBERS: ALIX MARDUEL GROUP MEMBERS: ALTA CALIFORNIA MANAGEMENT PARTNERS II, LLC. GROUP MEMBERS: ALTA CALIFORNIA PARTNERS II, L.P. GROUP MEMBERS: ALTA EMBARCADERO PARTNERS II, LLC GROUP MEMBERS: ALTA PARTNERS GROUP MEMBERS: DANIEL JANNEY GROUP MEMBERS: GARRETT GRUENER GROUP MEMBERS: GUY NOHRA GROUP MEMBERS: JEAN DELEAGE SUBJECT COMPANY: COMPANY DATA: COMPANY CONFORMED NAME: ACLARA BIOSCIENCES INC CENTRAL INDEX KEY: 0001067588 STANDARD INDUSTRIAL CLASSIFICATION: MEASURING & CONTROLLING DEVICES, NEC [3829] IRS NUMBER: 943222727 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: SC 13G/A SEC ACT: 1934 Act SEC FILE NUMBER: 005-58797 FILM NUMBER: 02525126 BUSINESS ADDRESS: STREET 1: 1288 PEAR AVENUE CITY: MOUNTAIN VIEW STATE: CA ZIP: 94043 BUSINESS PHONE: 6502101200 MAIL ADDRESS: STREET 1: 1288 PEAR AVENUE CITY: MOUNTAIN VIEW STATE: CA ZIP: 94043 FILED BY: COMPANY DATA: COMPANY CONFORMED NAME: ALTA PARTNERS CENTRAL INDEX KEY: 0001060013 IRS NUMBER: 943238854 STATE OF INCORPORATION: CA FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: SC 13G/A BUSINESS ADDRESS: STREET 1: ONE EMBARCADERO CENTER STREET 2: STE 4050 CITY: SAN FRANCISCO STATE: CA ZIP: 94111 BUSINESS PHONE: 4153624022 MAIL ADDRESS: STREET 1: ONE EMBARCADERO CENTER STREET 2: STE 4050 CITY: SAN FRANCISCO STATE: CA ZIP: 94111 SC 13G/A 1 p14894_sc13g-a.txt United States Securities and Exchange Commission WASHINGTON, D.C. 20549 Schedule 13G (Amendment No. _1_)* UNDER THE SECURITIES EXCHANGE ACT OF 1934 ACLARA BIOSCIENCES, INC. (Name of Issuer) Common Stock (Title of Class of Securities) 00461P106 (CUSIP Number) December 31, 2001 - -------------------------------------------------------------------------------- (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).
CUSIP No. 00461P106 Page 2 of 14 Pages - ------------------------------------------------------------------------------------------------------------------- (1) Names of Reporting Persons. SS or I.R.S. Identification Nos. of Above Persons Alta Partners - ------------------------------------------------------------------------------------------------------------------- (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 - ------------------------------------------------------------------------------------------------------------------- Please see Attachment A Number Of Shares (5) Sole Voting Power -0- Beneficially Owned By Each Reporting (6) Shared Voting Power 1,666,669 Person With (7) Sole Dispositive Power -0- (8) Shared Dispositive Power 1,666,669 (9) Aggregate Amount Beneficially Owned By Each Reporting Person 1,666,669 Please see Attachment A - ------------------------------------------ ------------------------------------------------- (10) Check If The Aggregate Amount In Row (11) Excludes Certain Shares* (11) Percent Of Class Represented By Amount In Row (11) 4.65% Please see Attachment A - ------------------------------------------ -------------------------------------------------- (12) Type Of Reporting Person IA - ------------------------------------------------------------------------------------------------------------------- *SEE INSTRUCTION BEFORE FILLING OUT!
CUSIP No. . 00461P106 Page 3 of 14 Pages - ------------------------------------------------------------------------------------------------------------------- (1) Names of Reporting Persons. SS or I.R.S. Identification Nos. of Above Persons Alta California Partners II, L. P. - ------------------------------------------------------------------------------------------------------------------- (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 - ------------------------------------------------------------------------------------------------------------------- Please see Attachment A Number Of Shares (5) Sole Voting Power -0- Beneficially Owned By Each Reporting (6) Shared Voting Power 1,666,669 Person With Please see Attachment A (7) Sole Dispositive Power -0- (8) Shared Dispositive Power 1,666,669 Please see Attachment A (9) Aggregate Amount Beneficially Owned By Each Reporting Person 1,666,669 Please see Attachment A - ---------------------------------------- --------------------------------------------------- (10) Check If The Aggregate Amount In Row (11) Excludes Certain Shares* - ------------------------------------------------------------------------------------------------------------------- (11) Percent Of Class Represented By Amount In Row (11) 4.65% Please see Attachment A - ---------------------------------------- --------------------------------------------------- (12) Type Of Reporting Person PN - -------------------------------------------------------------------------------------------------------------------
CUSIP No. 00461P106 Page 4 of 14 Pages - ------------------------------------------------------------------------------------------------------------------- (1) Names of Reporting Persons. SS or I.R.S. Identification Nos. of Above Persons Alta California Management Partners II, LLC. - ------------------------------------------------------------------------------------------------------------------- (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 - ------------------------------------------------------------------------------------------------------------------- Please see Attachment A Number Of Shares (5) Sole Voting Power -0- Beneficially Owned By Each Reporting (6) Shared Voting Power 1,666,669 Person With Please see Attachment A (7) Sole Dispositive Power -0- (8) Shared Dispositive Power 1,666,669 Please see Attachment A (9) Aggregate Amount Beneficially Owned By Each Reporting Person 1,666,669 Please see Attachment A - ---------------------------------------- ---------------------------------------------------- (10) Check If The Aggregate Amount In Row (11) Excludes Certain Shares* - ------------------------------------------------------------------------------------------------------------------- (11) Percent Of Class Represented By Amount In Row (11) 4.65% Please see Attachment A - ---------------------------------------- ---------------------------------------------------- (12) Type Of Reporting Person CO - -------------------------------------------------------------------------------------------------------------------
CUSIP No. 00461P106 Page 5 of 14 Pages - ------------------------------------------------------------------------------------------------------------------- (1) Names of Reporting Persons. SS or I.R.S. Identification Nos. of Above Persons Alta Embarcadero Partners II, LLC - ------------------------------------------------------------------------------------------------------------------- (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 - ------------------------------------------------------------------------------------------------------------------- Please see Attachment A Number Of Shares (5) Sole Voting Power -0- Beneficially Owned By Each Reporting (6) Shared Voting Power 1,666,669 Person With Please see Attachment A (7) Sole Dispositive Power -0- (8) Shared Dispositive Power 1,666,669 Please see Attachment A (9) Aggregate Amount Beneficially Owned By Each Reporting Person 1,666,669 Please see Attachment A - ---------------------------------------- ---------------------------------------------------- (10) Check If The Aggregate Amount In Row (11) Excludes Certain Shares* - ------------------------------------------------------------------------------------------------------------------- (11) Percent Of Class Represented By Amount In Row (11) 4.65% Please see Attachment A - ---------------------------------------- ---------------------------------------------------- (12) Type Of Reporting Person CO - -------------------------------------------------------------------------------------------------------------------
CUSIP No. . 00461P106 Page 6 of 14 Pages - ------------------------------------------------------------------------------------------------------------------- (1) Names of Reporting Persons. SS or I.R.S. Identification Nos. of Above Persons Jean Deleage - ------------------------------------------------------------------------------------------------------------------- (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 - ------------------------------------------------------------------------------------------------------------------- Please see Attachment A Number Of Shares (5) Sole Voting Power 882 Beneficially Owned By Each Reporting (6) Shared Voting Power 1,666,669 Person With (7) Sole Dispositive Power 882 (8) Shared Dispositive Power 1,666,669 (9) Aggregate Amount Beneficially Owned By Each Reporting Person 1,667,551 Please see Attachment A - ------------------------------------ -------------------------------------------------------- (10) Check If The Aggregate Amount In Row (11) Excludes Certain Shares* - ------------------------------------------------------------------------------------------------------------------- (11) Percent Of Class Represented By Amount In Row (11) 4.65% Please see Attachment A - ------------------------------------ -------------------------------------------------------- (12) Type Of Reporting Person IN - ------------------------------------------------------------------------------------------------------------------- *SEE INSTRUCTION BEFORE FILLING OUT!
CUSIP No. 00461P106 Page 7 of 14 Pages - ------------------------------------------------------------------------------------------------------------------- (1) Names of Reporting Persons. SS or I.R.S. Identification Nos. of Above Persons Garrett Gruener - ------------------------------------------------------------------------------------------------------------------- (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 - ------------------------------------------------------------------------------------------------------------------- Please see Attachment A Number Of Shares (5) Sole Voting Power 1,336 Beneficially Owned By Each Reporting (6) Shared Voting Power 1,666,669 Person With (7) Sole Dispositive Power 1,336 (8) Shared Dispositive Power 1,666,669 (9) Aggregate Amount Beneficially Owned By Each Reporting Person 1,668,005 Please see Attachment A - ------------------------------------ -------------------------------------------------------- (10) Check If The Aggregate Amount In Row (11) Excludes Certain Shares* - ------------------------------------------------------------------------------------------------------------------- (11) Percent Of Class Represented By Amount In Row (11) 4.65% Please see Attachment A - ------------------------------------ -------------------------------------------------------- (12) Type Of Reporting Person IN - ------------------------------------------------------------------------------------------------------------------- *SEE INSTRUCTION BEFORE FILLING OUT!
CUSIP No. 00461P106 Page 8 of 14 Pages - ------------------------------------------------------------------------------------------------------------------- (1) Names of Reporting Persons. SS or I.R.S. Identification Nos. of Above Persons Daniel Janney - ------------------------------------------------------------------------------------------------------------------- (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 - ------------------------------------------------------------------------------------------------------------------- Please see Attachment A Number Of Shares (5) Sole Voting Power 768 Beneficially Owned By Each Reporting (6) Shared Voting Power 1,666,669 Person With (7) Sole Dispositive Power 768 (8) Shared Dispositive Power 1,666,669 (9) Aggregate Amount Beneficially Owned By Each Reporting Person 1,667,437 Please see Attachment A - --------------------------- ----------------------------------------------------------------- (10) Check If The Aggregate Amount In Row (11) Excludes Certain Shares* - ------------------------------------------------------------------------------------------------------------------- (11) Percent Of Class Represented By Amount In Row (11) 4.65% Please see Attachment A - --------------------------- ----------------------------------------------------------------- (12) Type Of Reporting Person IN - ------------------------------------------------------------------------------------------------------------------- *SEE INSTRUCTION BEFORE FILLING OUT!
CUSIP No. 00461P106 Page 9 of 14 Pages - ------------------------------------------------------------------------------------------------------------------- (1) Names of Reporting Persons. SS or I.R.S. Identification Nos. of Above Persons Alix Marduel - ------------------------------------------------------------------------------------------------------------------- (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 - ------------------------------------------------------------------------------------------------------------------- Please see Attachment A Number Of Shares (5) Sole Voting Power 800 Beneficially Owned By Each Reporting (6) Shared Voting Power 1,666,669 Person With (7) Sole Dispositive Power 800 (8) Shared Dispositive Power 1,666,669 (9) Aggregate Amount Beneficially Owned By Each Reporting Person 1,667,469 Please see Attachment A - ---------------------------------------- --------------------------------------------------- (10) Check If The Aggregate Amount In Row (11) Excludes Certain Shares* - ------------------------------------------------------------------------------------------------------------------- (11) Percent Of Class Represented By Amount In Row (11) 4.65% Please see Attachment A - ---------------------------------------- ---------------------------------------------------- (12) Type Of Reporting Person IN - ------------------------------------------------------------------------------------------------------------------- *SEE INSTRUCTION BEFORE FILLING OUT!
CUSIP No. 00461P106 Page 10 of 14 Pages - ------------------------------------------------------------------------------------------------------------------- (1) Names of Reporting Persons. SS or I.R.S. Identification Nos. of Above Persons Guy Nohra - ------------------------------------------------------------------------------------------------------------------- (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 - ------------------------------------------------------------------------------------------------------------------- Please see Attachment A Number Of Shares (5) Sole Voting Power -0- Beneficially Owned By Each Reporting (6) Shared Voting Power 1,666,669 Person With (7) Sole Dispositive Power -0- (8) Shared Dispositive Power 1,666,669 (9) Aggregate Amount Beneficially Owned By Each Reporting Person 1,666,669 Please see Attachment A - ---------------------------------------- ---------------------------------------------------- (10) Check If The Aggregate Amount In Row (11) Excludes Certain Shares* - ------------------------------------------------------------------------------------------------------------------- (11) Percent Of Class Represented By Amount In Row (11) 4.65% Please see Attachment A - ---------------------------------------- ---------------------------------------------------- (12) Type Of Reporting Person IN - ------------------------------------------------------------------------------------------------------------------- *SEE INSTRUCTION BEFORE FILLING OUT!
Item 1. (a) Name of Issuer: Aclara BioSciences, Inc. ("Issuer") (b) Address of Issuer's Principal Executive Offices: 1288 Pear Avenue Mountain View, CA 94043 Item 2. (a) Name of Person Filing: Alta Partners ("AP") Alta California Partners II, L.P. ("ACPII") Alta California Management Partners II, LLC. ("ACMPII") Alta Embarcadero Partners II, LLC ("AEPII") Jean Deleage ("JD") Garrett Gruener ("GG") Dan Janney ("DJ") Alix Marduel ("AM") Guy Nohra ("GN") (b) Address of Principal Business Office: One Embarcadero Center, Suite 4050 San Francisco, CA 94111 (c) Citizenship/Place of Organization: Entities: AP - California ACPII - Delaware ACMPII Delaware AEPII California Individuals: JD United States GG United States DJ United States AM United States GN United States (d) Title of Class of Securities: Common Stock (e) CUSIP Number: . 00461P106 Item 3. Not applicable. Item 4 Ownership.
Please see Attachment A - ------- ---------------------------- ----------- ----------- ------------ ----------- ------------- AP ACPII ACMPII AEPII JD - ------- ---------------------------- ----------- ----------- ------------ ----------- ------------- (a) Beneficial Ownership 1,666,669 1,666,669 1,666,669 1,666,669 1,667,551 - ------- ---------------------------- ----------- ----------- ------------ ----------- ------------- (b) Percentage of Class 4.65% 4.65% 4.65% 4.65% 4.65% - ------- ---------------------------- ----------- ----------- ------------ ----------- ------------- (c) Sole Voting Power -0- -0- -0- -0- 882 - ------- ---------------------------- ----------- ----------- ------------ ----------- ------------- Shared Voting Power 1,666,669 1,666,669 1,666,669 1,666,669 1,666,669 - ------- ---------------------------- ----------- ----------- ------------ ----------- ------------- Sole Dispositive Power -0- -0- -0- -0- 882 - ------- ---------------------------- ----------- ----------- ------------ ----------- ------------- Shared Dispositive Power 1,666,669 1,666,669 1,666,669 1,666,669 1,666,669 - ------- ---------------------------- ----------- ----------- ------------ ----------- ------------- GG DJ AM GN - ------- ---------------------------- ----------- ----------- ------------ ----------- ------------- (a) Beneficial Ownership 1,668,005 1,667,437 1,667,469 1,666,669 - ------- ---------------------------- ----------- ----------- ------------ ----------- ------------- (b) Percentage of Class 4.65% 4.65% 4.65% 4.65% - ------- ---------------------------- ----------- ----------- ------------ ----------- ------------- (c) Sole Voting Power 1,336 768 800 -0- - ------- ---------------------------- ----------- ----------- ------------ ----------- ------------- Shared Voting Power 1,666,669 1,666,669 1,666,669 1,666,669 - ------- ---------------------------- ----------- ----------- ------------ ----------- ------------- Sole Dispositive Power 1,336 768 800 -0- - ------- ---------------------------- ----------- ----------- ------------ ----------- ------------- Shared Dispositive Power 1,666,669 1,666,669 1,666,669 1,666,669 - ------- ---------------------------- ----------- ----------- ------------ ----------- -------------
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 Not applicable. Item 7. Identification and Classification of the Subsidiary Which Acquired the Security Being Reported on By the Parent Holding Company. Not applicable. Item 8. Identification and Classification of Members of the Group No reporting person is a member of a group as defined in Section 240.13d-1(b)(1)(ii)(H) of the Act. Item 9. Notice of Dissolution of Group Not applicable. Item 10. Certification By signing below we certify that, to the best of our knowledge and belief, the securities referred to above were acquired and are held in the ordinary course of business and were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect. EXHIBITS A: Joint Filing Statement 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: January 29, 2002
ALTA PARTNERS ALTA CALIFORNIA PARTNERS II, L.P. By: Alta California Management Partners II, LLC, its General Partner By: /s/ Jean Deleage By: /s/ Jean Deleage ----------------------------------------- ----------------------------------------- Jean Deleage, President Jean Deleage, Member ALTA CALIFORNIA MANAGEMENT PARTNERS II, LLC ALTA EMBARCADERO PARTNERS II, LLC By: /s/ Jean Deleage By: /s/ Jean Deleage ----------------------------------------- ----------------------------------------- Jean Deleage, Member Jean Deleage, Member /s/ Jean Deleage /s/ Guy Nohra - -------------------------------------------- -------------------------------------------- Jean Deleage Guy Nohra /s/ Garrett Gruener /s/ Alix Marduel - -------------------------------------------- -------------------------------------------- Garrett Gruener Alix Marduel /s/ Daniel Janney - -------------------------------------------- Daniel Janney
EXHIBIT A AGREEMENT OF JOINT FILING We, the undersigned, hereby express our agreement that the attached Schedule 13G is filed on behalf of us. Date: January 29, 2002
ALTA PARTNERS ALTA CALIFORNIA PARTNERS II, L.P. By: Alta California Management Partners II, LLC, its General Partner By: /s/ Jean Deleage By: /s/ Jean Deleage ----------------------------------------- ----------------------------------------- Jean Deleage, President Jean Deleage, Member ALTA CALIFORNIA MANAGEMENT PARTNERS II, LLC ALTA EMBARCADERO PARTNERS II, LLC By: /s/ Jean Deleage By: /s/ Jean Deleage ----------------------------------------- ----------------------------------------- Jean Deleage, Member Jean Deleage, Member /s/ Jean Deleage /s/ Guy Nohra - -------------------------------------------- -------------------------------------------- Jean Deleage Guy Nohra /s/ Garrett Gruener /s/ Alix Marduel - -------------------------------------------- -------------------------------------------- Garrett Gruener Alix Marduel /s/ Daniel Janney - -------------------------------------------- Daniel Janney
Attachment A Alta Partners provides investment advisory services to several venture capital funds including, Alta California Partners II, L.P. and Alta Embarcadero Partners II, LLC. Alta California Partners II, L.P. beneficially owns 1,652,058 shares of Common Stock. Alta Embarcadero Partners II, LLC beneficially owns 14,611 shares of Common Stock. The respective general partners and members of Alta California Partners II, L.P. and Alta Embarcadero Partners II, LLC exercise sole voting and investment power with respect to the shares owned by such funds. Certain principals of Alta Partners are members of Alta California Management Partners II, LLC (which is the general partner of Alta California Partners II, L.P.), and members of Alta Embarcadero Partners II, LLC. As members of such funds, they may be deemed to share voting and investment powers for the shares held by the funds. The principals of Alta Partners disclaim beneficial ownership of all such shares held by the foregoing funds, except to the extent of their proportionate pecuniary interests therein. Mr. Jean Deleage, a director of the company, is a managing director of Alta California Management Partners II, LLC (which is the general partner of Alta California Partners II, L.P), and a member of Alta Embarcadero Partners II, LLC. Thus he shares voting and dispositive powers over the 1,652,058 shares of Common Stock beneficially owned by Alta California Partners II, L.P. and the 14,611 shares beneficially owned by Alta Embarcadero Partners II, LLC. Mr. Deleage disclaims beneficial ownership held by Alta California Partners II, L.P. and Alta Embarcadero Partners II, LLC except to the extent of his proportionate pecuniary interest there in. Mr. Deleage disclaims all beneficial ownership of all shares held by Alta Embarcadero Partners II, L.P. except to the extent of his proportionate pecuniary interest. Mr. Deleage holds stock options for 12,000 shares of Common Stock that was granted in June 2001. See below for disclosure of share ownership. Common Stock Ownership: Shares Owned by / Affiliated with Jean Deleage Beneficial Owner (issued in the name of) # of Shares Date Acquired Jean Deleage 882 August 31, 2000 Deleage Children's Trust FBO Andre Deleage (1) 113 August 31, 2000 Deleage Children's Trust FBO Emmanuel Deleage (1) 113 August 31, 2000 Deleage Children's Trust FBO Phillippe Deleage (1) 113 August 31, 2000 Deleage Children's Trust FBO Michel Deleage (1) 113 August 31, 2000 (1) of which Mr. Deleage, a principal of Alta Partners (a venture capital firm), is neither a trustee nor claims any beneficial ownership. Mr. Garrett Gruener is a managing director of Alta California Management Partners II, LLC (which is the general partner of Alta California Partners II, L.P.) and a member of Alta Embarcadero Partners II, LLC. Thus he shares voting and dispositive powers over the 1,652,058 shares of Common Stock beneficially owned by Alta California Partners II, L.P. and the 14,611 shares beneficially owned by Alta Embarcadero Partners II, LLC. Mr. Gruener disclaims beneficial ownership of all such shares held by the foregoing funds except to the extent of his proportionate pecuniary interests therein. He beneficially owns 1,336 shares, which he has sole voting and dispositive powers over. Page 1 of 2 of Attachment A Page 2 of 2 of Attachment A Mr. Daniel Janney is a managing director of Alta California Management Partners II, LLC (which is the general partner of Alta California Partners II, L.P.) Thus he shares voting and dispositive powers over the 1,652,058 shares of Common Stock beneficially owned by Alta California Partners II, L.P. Mr. Janney disclaims beneficial ownership of all such shares held by the foregoing fund except to the extent of his proportionate pecuniary interests therein. He beneficially owns 768 shares, which he has sole voting and dispositive powers over. Dr. Alix Marduel is a managing director of Alta California Management Partners II, LLC (which is the general partner of Alta California Partners II, L.P.) Thus she shares voting and dispositive powers over the 1,652,058 shares of Common Stock beneficially owned by Alta California Partners II, L.P. Dr. Marduel disclaims beneficial ownership of all such shares held by the foregoing fund except to the extent of her proportionate pecuniary interests therein. She beneficially owns 800 shares, which he has sole voting and dispositive powers over. Mr. Guy Nohra is a managing director of Alta California Management Partners II, LLC (which is the general partner of Alta California Partners II, L.P.) and a member of Alta Embarcadero Partners II, LLC. Thus he shares voting and dispositive powers over the 1,652,058 shares of Common Stock beneficially owned by Alta California Partners II, L.P. and the 14,611 shares beneficially owned by Alta Embarcadero Partners II, LLC. Mr. Nohra disclaims beneficial ownership of all such shares held by the foregoing funds except to the extent of their proportionate pecuniary interests therein. Alta Partners is a venture capital firm with an office in San Francisco. Alta Partners is California Corporation. Alta California Partners II, L.P. is a Delaware Limited Partnership and Alta Embarcadero Partners II, LLC is a California Limited Liability Company. -----END PRIVACY-ENHANCED MESSAGE-----