-----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, EeAe1I0C3xHK7nBLnLuDU2nwgpll0Qri+/zbysoVBB9ix5AoCHgl7RC/iIHsp/Qb f0EUW4xi4njllsMyTBnA4Q== 0000909518-07-000131.txt : 20070214 0000909518-07-000131.hdr.sgml : 20070214 20070214165010 ACCESSION NUMBER: 0000909518-07-000131 CONFORMED SUBMISSION TYPE: SC 13G/A PUBLIC DOCUMENT COUNT: 1 FILED AS OF DATE: 20070214 DATE AS OF CHANGE: 20070214 GROUP MEMBERS: SUMMIT INVESTORS VI, L.P. GROUP MEMBERS: SUMMIT PARTNERS V, L.P. GROUP MEMBERS: SUMMIT PARTNERS VI (GP), L.P. GROUP MEMBERS: SUMMIT PARTNERS VI (GP), LLC GROUP MEMBERS: SUMMIT PARTNERS, L.P. GROUP MEMBERS: SUMMIT PARTNERS, LLC GROUP MEMBERS: SUMMIT V ADVISORS FUND (QP), L.P. GROUP MEMBERS: SUMMIT V ADVISORS FUND, L.P. GROUP MEMBERS: SUMMIT V COMPANION FUND, L.P. GROUP MEMBERS: SUMMIT VENTURES V, L.P. GROUP MEMBERS: SUMMIT VENTURES VI-A, L.P. GROUP MEMBERS: SUMMIT VENTURES VI-B, L.P. GROUP MEMBERS: SUMMIT VI ADVISORS FUND, L.P. GROUP MEMBERS: SUMMIT VI ENTREPRENEURS FUND, L.P. SUBJECT COMPANY: COMPANY DATA: COMPANY CONFORMED NAME: SEABRIGHT INSURANCE HOLDINGS INC CENTRAL INDEX KEY: 0001267201 STANDARD INDUSTRIAL CLASSIFICATION: FIRE, MARINE & CASUALTY INSURANCE [6331] IRS NUMBER: 000000000 FILING VALUES: FORM TYPE: SC 13G/A SEC ACT: 1934 Act SEC FILE NUMBER: 005-80558 FILM NUMBER: 07621854 BUSINESS ADDRESS: STREET 1: 2101 4TH AVENUE STREET 2: SUITE 1600 CITY: SEATTLE STATE: WA ZIP: 98121 BUSINESS PHONE: 2067708300 FILED BY: COMPANY DATA: COMPANY CONFORMED NAME: SUMMIT PARTNERS L P CENTRAL INDEX KEY: 0000830588 IRS NUMBER: 043478657 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: SC 13G/A BUSINESS ADDRESS: STREET 1: 222 BERKELEY STREET STREET 2: 18TH FLOOR CITY: BOSTON STATE: MA ZIP: 02116 BUSINESS PHONE: 6178241094 MAIL ADDRESS: STREET 1: 222 BERKELEY STREET STREET 2: 18TH FLOOR CITY: BOSTON STATE: MA ZIP: 02116 SC 13G/A 1 seabright02-1307_sc13ga1.txt AMEND. NO. 1 UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE 13G UNDER THE SECURITIES EXCHANGE ACT OF 1934 (AMENDMENT NO. 1 )* SeaBright Insurance Holdings, Inc. ------------------------------------------------------------------------ (Name of Issuer) Common Stock, $0.01 par value ------------------------------------------------------------------------ (Title of Class of Securities) 811656107 ------------------------------ (CUSIP Number) December 31, 2006 ------------------------------------------------------------------------ (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate the rule pursuant to which this Schedule is filed: [_] Rule 13d-1(b) [_] Rule 13d-1(c) [X] Rule 13d-1(d) *The remainder of this cover page shall be filled out for a reporting person's initial filing on this form with respect to the subject class of securities, and for any subsequent amendment containing information which would alter the disclosures provided in a prior cover page. The information required in the remainder of this cover page shall not be deemed to be "filed" for the purpose of Section 18 of the Securities Exchange Act of 1934 ("Act") or otherwise subject to the liabilities of that section of the Act but shall be subject to all other provisions of the Act (however, see the Notes). Page 1 of 39 Pages - --------------------------- --------------------------- CUSIP NO. 811656107 13G PAGE 2 OF 39 PAGES - --------------------------- --------------------------- - ------------------------------------------------------------------------------- 1 NAME OF REPORTING PERSON I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY) Summit Partners, L.P. - ------------------------------------------------------------------------------- 2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP* (a) [_] (b) [_] - ------------------------------------------------------------------------------- 3 SEC USE ONLY - ------------------------------------------------------------------------------- 4 CITIZENSHIP OR PLACE OF ORGANIZATION Delaware limited partnership - ------------------------------------------------------------------------------- 5 SOLE VOTING POWER 0 shares NUMBER OF --------------------------------------------------------------- SHARES 6 SHARED VOTING POWER BENEFICIALLY OWNED BY 1,190,127 shares EACH --------------------------------------------------------------- REPORTING 7 SOLE DISPOSITIVE POWER PERSON WITH 0 shares --------------------------------------------------------------- 8 SHARED DISPOSITIVE POWER 1,190,127 shares - ------------------------------------------------------------------------------- 9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 1,190,127 shares - ------------------------------------------------------------------------------- 10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES* [_] - ------------------------------------------------------------------------------- 11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9 5.8% - ------------------------------------------------------------------------------- 12 TYPE OF REPORTING PERSON * PN - ------------------------------------------------------------------------------- *SEE INSTRUCTIONS BEFORE FILLING OUT! - --------------------------- --------------------------- CUSIP NO. 811656107 13G PAGE 3 OF 39 PAGES - --------------------------- --------------------------- - ------------------------------------------------------------------------------- 1 NAME OF REPORTING PERSON I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY) Summit Partners VI (GP), LLC - ------------------------------------------------------------------------------- 2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP* (a) [_] (b) [_] - ------------------------------------------------------------------------------- 3 SEC USE ONLY - ------------------------------------------------------------------------------- 4 CITIZENSHIP OR PLACE OF ORGANIZATION Delaware limited liability company - ------------------------------------------------------------------------------- 5 SOLE VOTING POWER 0 shares NUMBER OF --------------------------------------------------------------- SHARES 6 SHARED VOTING POWER BENEFICIALLY OWNED BY 1,190,127 shares EACH --------------------------------------------------------------- REPORTING 7 SOLE DISPOSITIVE POWER PERSON WITH 0 shares --------------------------------------------------------------- 8 SHARED DISPOSITIVE POWER 1,190,127 shares - ------------------------------------------------------------------------------- 9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 1,190,127 shares - ------------------------------------------------------------------------------- 10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES* [_] - ------------------------------------------------------------------------------- 11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9 5.8% - ------------------------------------------------------------------------------- 12 TYPE OF REPORTING PERSON * CO - ------------------------------------------------------------------------------- *SEE INSTRUCTIONS BEFORE FILLING OUT! - --------------------------- --------------------------- CUSIP NO. 811656107 13G PAGE 4 OF 39 PAGES - --------------------------- --------------------------- - ------------------------------------------------------------------------------- 1 NAME OF REPORTING PERSON I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY) Summit Partners VI (GP), L.P. - ------------------------------------------------------------------------------- 2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP* (a) [_] (b) [_] - ------------------------------------------------------------------------------- 3 SEC USE ONLY - ------------------------------------------------------------------------------- 4 CITIZENSHIP OR PLACE OF ORGANIZATION Delaware limited partnership - ------------------------------------------------------------------------------- 5 SOLE VOTING POWER 0 shares NUMBER OF --------------------------------------------------------------- SHARES 6 SHARED VOTING POWER BENEFICIALLY OWNED BY 1,190,127 shares EACH --------------------------------------------------------------- REPORTING 7 SOLE DISPOSITIVE POWER PERSON WITH 0 shares --------------------------------------------------------------- 8 SHARED DISPOSITIVE POWER 1,190,127 shares - ------------------------------------------------------------------------------- 9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 1,190,127 shares - ------------------------------------------------------------------------------- 10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES* [_] - ------------------------------------------------------------------------------- 11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9 5.8% - ------------------------------------------------------------------------------- 12 TYPE OF REPORTING PERSON * PN - ------------------------------------------------------------------------------- *SEE INSTRUCTIONS BEFORE FILLING OUT! - --------------------------- --------------------------- CUSIP NO. 811656107 13G PAGE 5 OF 39 PAGES - --------------------------- --------------------------- - ------------------------------------------------------------------------------- 1 NAME OF REPORTING PERSON I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY) Summit Ventures VI-A, L.P. - ------------------------------------------------------------------------------- 2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP* (a) [_] (b) [_] - ------------------------------------------------------------------------------- 3 SEC USE ONLY - ------------------------------------------------------------------------------- 4 CITIZENSHIP OR PLACE OF ORGANIZATION Delaware limited partnership - ------------------------------------------------------------------------------- 5 SOLE VOTING POWER 0 shares NUMBER OF --------------------------------------------------------------- SHARES 6 SHARED VOTING POWER BENEFICIALLY OWNED BY 1,190,127 shares EACH --------------------------------------------------------------- REPORTING 7 SOLE DISPOSITIVE POWER PERSON WITH 0 shares --------------------------------------------------------------- 8 SHARED DISPOSITIVE POWER 1,190,127 shares - ------------------------------------------------------------------------------- 9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 1,190,127 shares - ------------------------------------------------------------------------------- 10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES* [_] - ------------------------------------------------------------------------------- 11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9 5.8% - ------------------------------------------------------------------------------- 12 TYPE OF REPORTING PERSON * PN - ------------------------------------------------------------------------------- *SEE INSTRUCTIONS BEFORE FILLING OUT! - --------------------------- --------------------------- CUSIP NO. 811656107 13G PAGE 6 OF 39 PAGES - --------------------------- --------------------------- - ------------------------------------------------------------------------------- 1 NAME OF REPORTING PERSON I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY) Summit Ventures VI-B, L.P. - ------------------------------------------------------------------------------- 2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP* (a) [_] (b) [_] - ------------------------------------------------------------------------------- 3 SEC USE ONLY - ------------------------------------------------------------------------------- 4 CITIZENSHIP OR PLACE OF ORGANIZATION Delaware limited partnership - ------------------------------------------------------------------------------- 5 SOLE VOTING POWER 0 shares NUMBER OF --------------------------------------------------------------- SHARES 6 SHARED VOTING POWER BENEFICIALLY OWNED BY 1,190,127 shares EACH --------------------------------------------------------------- REPORTING 7 SOLE DISPOSITIVE POWER PERSON WITH 0 shares --------------------------------------------------------------- 8 SHARED DISPOSITIVE POWER 1,190,127 shares - ------------------------------------------------------------------------------- 9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 1,190,127 shares - ------------------------------------------------------------------------------- 10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES* [_] - ------------------------------------------------------------------------------- 11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9 5.8% - ------------------------------------------------------------------------------- 12 TYPE OF REPORTING PERSON * PN - ------------------------------------------------------------------------------- *SEE INSTRUCTIONS BEFORE FILLING OUT! - --------------------------- --------------------------- CUSIP NO. 811656107 13G PAGE 7 OF 39 PAGES - --------------------------- --------------------------- - ------------------------------------------------------------------------------- 1 NAME OF REPORTING PERSON I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY) Summit VI Advisors Fund, L.P. - ------------------------------------------------------------------------------- 2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP* (a) [_] (b) [_] - ------------------------------------------------------------------------------- 3 SEC USE ONLY - ------------------------------------------------------------------------------- 4 CITIZENSHIP OR PLACE OF ORGANIZATION Delaware limited partnership - ------------------------------------------------------------------------------- 5 SOLE VOTING POWER 0 shares NUMBER OF --------------------------------------------------------------- SHARES 6 SHARED VOTING POWER BENEFICIALLY OWNED BY 1,190,127 shares EACH --------------------------------------------------------------- REPORTING 7 SOLE DISPOSITIVE POWER PERSON WITH 0 shares --------------------------------------------------------------- 8 SHARED DISPOSITIVE POWER 1,190,127 shares - ------------------------------------------------------------------------------- 9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 1,190,127 shares - ------------------------------------------------------------------------------- 10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES* [_] - ------------------------------------------------------------------------------- 11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9 5.8% - ------------------------------------------------------------------------------- 12 TYPE OF REPORTING PERSON * PN - ------------------------------------------------------------------------------- *SEE INSTRUCTIONS BEFORE FILLING OUT! - --------------------------- --------------------------- CUSIP NO. 811656107 13G PAGE 8 OF 39 PAGES - --------------------------- --------------------------- - ------------------------------------------------------------------------------- 1 NAME OF REPORTING PERSON I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY) Summit VI Entrepreneurs Fund, L.P. - ------------------------------------------------------------------------------- 2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP* (a) [_] (b) [_] - ------------------------------------------------------------------------------- 3 SEC USE ONLY - ------------------------------------------------------------------------------- 4 CITIZENSHIP OR PLACE OF ORGANIZATION Delaware limited partnership - ------------------------------------------------------------------------------- 5 SOLE VOTING POWER 0 shares NUMBER OF --------------------------------------------------------------- SHARES 6 SHARED VOTING POWER BENEFICIALLY OWNED BY 1,190,127 shares EACH --------------------------------------------------------------- REPORTING 7 SOLE DISPOSITIVE POWER PERSON WITH 0 shares --------------------------------------------------------------- 8 SHARED DISPOSITIVE POWER 1,190,127 shares - ------------------------------------------------------------------------------- 9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 1,190,127 shares - ------------------------------------------------------------------------------- 10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES* [_] - ------------------------------------------------------------------------------- 11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9 5.8% - ------------------------------------------------------------------------------- 12 TYPE OF REPORTING PERSON * PN - ------------------------------------------------------------------------------- *SEE INSTRUCTIONS BEFORE FILLING OUT! - --------------------------- --------------------------- CUSIP NO. 811656107 13G PAGE 9 OF 39 PAGES - --------------------------- --------------------------- - ------------------------------------------------------------------------------- 1 NAME OF REPORTING PERSON I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY) Summit Investors VI, L.P. - ------------------------------------------------------------------------------- 2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP* (a) [_] (b) [_] - ------------------------------------------------------------------------------- 3 SEC USE ONLY - ------------------------------------------------------------------------------- 4 CITIZENSHIP OR PLACE OF ORGANIZATION Delaware limited partnership - ------------------------------------------------------------------------------- 5 SOLE VOTING POWER 0 shares NUMBER OF --------------------------------------------------------------- SHARES 6 SHARED VOTING POWER BENEFICIALLY OWNED BY 1,190,127 shares EACH --------------------------------------------------------------- REPORTING 7 SOLE DISPOSITIVE POWER PERSON WITH 0 shares --------------------------------------------------------------- 8 SHARED DISPOSITIVE POWER 1,190,127 shares - ------------------------------------------------------------------------------- 9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 1,190,127 shares - ------------------------------------------------------------------------------- 10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES* [_] - ------------------------------------------------------------------------------- 11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9 5.8% - ------------------------------------------------------------------------------- 12 TYPE OF REPORTING PERSON * PN - ------------------------------------------------------------------------------- *SEE INSTRUCTIONS BEFORE FILLING OUT! - --------------------------- --------------------------- CUSIP NO. 811656107 13G PAGE 10 OF 39 PAGES - --------------------------- --------------------------- - ------------------------------------------------------------------------------- 1 NAME OF REPORTING PERSON I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY) Summit Partners, LLC - ------------------------------------------------------------------------------- 2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP* (a) [_] (b) [_] - ------------------------------------------------------------------------------- 3 SEC USE ONLY - ------------------------------------------------------------------------------- 4 CITIZENSHIP OR PLACE OF ORGANIZATION Delaware limited liability company - ------------------------------------------------------------------------------- 5 SOLE VOTING POWER 0 shares NUMBER OF --------------------------------------------------------------- SHARES 6 SHARED VOTING POWER BENEFICIALLY OWNED BY 1,190,127 shares EACH --------------------------------------------------------------- REPORTING 7 SOLE DISPOSITIVE POWER PERSON WITH 0 shares --------------------------------------------------------------- 8 SHARED DISPOSITIVE POWER 1,190,127 shares - ------------------------------------------------------------------------------- 9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 1,190,127 shares - ------------------------------------------------------------------------------- 10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES* [_] - ------------------------------------------------------------------------------- 11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9 5.8% - ------------------------------------------------------------------------------- 12 TYPE OF REPORTING PERSON * CO - ------------------------------------------------------------------------------- *SEE INSTRUCTIONS BEFORE FILLING OUT! - --------------------------- --------------------------- CUSIP NO. 811656107 13G PAGE 11 OF 39 PAGES - --------------------------- --------------------------- - ------------------------------------------------------------------------------- 1 NAME OF REPORTING PERSON I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY) Summit Partners V, L.P. - ------------------------------------------------------------------------------- 2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP* (a) [_] (b) [_] - ------------------------------------------------------------------------------- 3 SEC USE ONLY - ------------------------------------------------------------------------------- 4 CITIZENSHIP OR PLACE OF ORGANIZATION Delaware limited partnership - ------------------------------------------------------------------------------- 5 SOLE VOTING POWER 0 shares NUMBER OF --------------------------------------------------------------- SHARES 6 SHARED VOTING POWER BENEFICIALLY OWNED BY 1,190,127 shares EACH --------------------------------------------------------------- REPORTING 7 SOLE DISPOSITIVE POWER PERSON WITH 0 shares --------------------------------------------------------------- 8 SHARED DISPOSITIVE POWER 1,190,127 shares - ------------------------------------------------------------------------------- 9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 1,190,127 shares - ------------------------------------------------------------------------------- 10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES* [_] - ------------------------------------------------------------------------------- 11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9 5.8% - ------------------------------------------------------------------------------- 12 TYPE OF REPORTING PERSON * PN - ------------------------------------------------------------------------------- *SEE INSTRUCTIONS BEFORE FILLING OUT! - --------------------------- --------------------------- CUSIP NO. 811656107 13G PAGE 12 OF 39 PAGES - --------------------------- --------------------------- - ------------------------------------------------------------------------------- 1 NAME OF REPORTING PERSON I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY) Summit Ventures V, L.P. - ------------------------------------------------------------------------------- 2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP* (a) [_] (b) [_] - ------------------------------------------------------------------------------- 3 SEC USE ONLY - ------------------------------------------------------------------------------- 4 CITIZENSHIP OR PLACE OF ORGANIZATION Delaware limited partnership - ------------------------------------------------------------------------------- 5 SOLE VOTING POWER 0 shares NUMBER OF --------------------------------------------------------------- SHARES 6 SHARED VOTING POWER BENEFICIALLY OWNED BY 1,190,127 shares EACH --------------------------------------------------------------- REPORTING 7 SOLE DISPOSITIVE POWER PERSON WITH 0 shares --------------------------------------------------------------- 8 SHARED DISPOSITIVE POWER 1,190,127 shares - ------------------------------------------------------------------------------- 9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 1,190,127 shares - ------------------------------------------------------------------------------- 10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES* [_] - ------------------------------------------------------------------------------- 11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9 5.8% - ------------------------------------------------------------------------------- 12 TYPE OF REPORTING PERSON * PN - ------------------------------------------------------------------------------- *SEE INSTRUCTIONS BEFORE FILLING OUT! - --------------------------- --------------------------- CUSIP NO. 811656107 13G PAGE 13 OF 39 PAGES - --------------------------- --------------------------- - ------------------------------------------------------------------------------- 1 NAME OF REPORTING PERSON I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY) Summit V Companion Fund, L.P. - ------------------------------------------------------------------------------- 2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP* (a) [_] (b) [_] - ------------------------------------------------------------------------------- 3 SEC USE ONLY - ------------------------------------------------------------------------------- 4 CITIZENSHIP OR PLACE OF ORGANIZATION Delaware limited partnership - ------------------------------------------------------------------------------- 5 SOLE VOTING POWER 0 shares NUMBER OF --------------------------------------------------------------- SHARES 6 SHARED VOTING POWER BENEFICIALLY OWNED BY 1,190,127 shares EACH --------------------------------------------------------------- REPORTING 7 SOLE DISPOSITIVE POWER PERSON WITH 0 shares --------------------------------------------------------------- 8 SHARED DISPOSITIVE POWER 1,190,127 shares - ------------------------------------------------------------------------------- 9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 1,190,127 shares - ------------------------------------------------------------------------------- 10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES* [_] - ------------------------------------------------------------------------------- 11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9 5.8% - ------------------------------------------------------------------------------- 12 TYPE OF REPORTING PERSON * PN - ------------------------------------------------------------------------------- *SEE INSTRUCTIONS BEFORE FILLING OUT! - --------------------------- --------------------------- CUSIP NO. 811656107 13G PAGE 14 OF 39 PAGES - --------------------------- --------------------------- - ------------------------------------------------------------------------------- 1 NAME OF REPORTING PERSON I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY) Summit V Advisors Fund, L.P. - ------------------------------------------------------------------------------- 2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP* (a) [_] (b) [_] - ------------------------------------------------------------------------------- 3 SEC USE ONLY - ------------------------------------------------------------------------------- 4 CITIZENSHIP OR PLACE OF ORGANIZATION Delaware limited partnership - ------------------------------------------------------------------------------- 5 SOLE VOTING POWER 0 shares NUMBER OF --------------------------------------------------------------- SHARES 6 SHARED VOTING POWER BENEFICIALLY OWNED BY 1,190,127 shares EACH --------------------------------------------------------------- REPORTING 7 SOLE DISPOSITIVE POWER PERSON WITH 0 shares --------------------------------------------------------------- 8 SHARED DISPOSITIVE POWER 1,190,127 shares - ------------------------------------------------------------------------------- 9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 1,190,127 shares - ------------------------------------------------------------------------------- 10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES* [_] - ------------------------------------------------------------------------------- 11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9 5.8% - ------------------------------------------------------------------------------- 12 TYPE OF REPORTING PERSON * PN - ------------------------------------------------------------------------------- *SEE INSTRUCTIONS BEFORE FILLING OUT! - --------------------------- --------------------------- CUSIP NO. 811656107 13G PAGE 15 OF 39 PAGES - --------------------------- --------------------------- - ------------------------------------------------------------------------------- 1 NAME OF REPORTING PERSON I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY) Summit V Advisors Fund (QP), L.P. - ------------------------------------------------------------------------------- 2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP* (a) [_] (b) [_] - ------------------------------------------------------------------------------- 3 SEC USE ONLY - ------------------------------------------------------------------------------- 4 CITIZENSHIP OR PLACE OF ORGANIZATION Delaware limited partnership - ------------------------------------------------------------------------------- 5 SOLE VOTING POWER 0 shares NUMBER OF --------------------------------------------------------------- SHARES 6 SHARED VOTING POWER BENEFICIALLY OWNED BY 1,190,127 shares EACH --------------------------------------------------------------- REPORTING 7 SOLE DISPOSITIVE POWER PERSON WITH 0 shares --------------------------------------------------------------- 8 SHARED DISPOSITIVE POWER 1,190,127 shares - ------------------------------------------------------------------------------- 9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 1,190,127 shares - ------------------------------------------------------------------------------- 10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES* [_] - ------------------------------------------------------------------------------- 11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9 5.8% - ------------------------------------------------------------------------------- 12 TYPE OF REPORTING PERSON * PN - ------------------------------------------------------------------------------- *SEE INSTRUCTIONS BEFORE FILLING OUT! Schedule 13G Item 1(a). Name of Issuer: SeaBright Insurance Holdings, Inc. Item 1(b). Address of Issuer's Principal Executive Offices: 2101 4th Avenue; Suite 1600; Seattle, WA, 98121 Item 2(a). Names of Persons Filing: Summit Partners, L.P., Summit Partners VI (GP), LLC, Summit Partners VI (GP), L.P., Summit Ventures VI-A, L.P., Summit Ventures VI-B, L.P., Summit VI Advisors Fund, L.P., Summit VI Entrepreneurs Fund, L.P., Summit Investors VI, L.P., Summit Partners, LLC, Summit Ventures V, L.P., Summit Partners V, L.P., Summit V Companion Fund, L.P., Summit V Advisors Fund (QP), L.P., and Summit V Advisors Fund, L.P. Summit Partners, L.P. is the managing member of Summit Partners VI (GP), LLC, which is the sole general partner of Summit Partners VI (GP), L.P., which is the sole general partner of each of Summit Ventures VI-A, L.P., Summit Ventures VI-B, L.P., Summit VI Advisors Fund, L.P., Summit VI Entrepreneurs Fund, L.P., and Summit Investors VI, L.P. Summit Partners V, L.P. is the sole general partner of each of Summit Ventures V, L.P., Summit V Companion Fund, L.P., Summit V Advisors Fund (QP), L.P., and Summit V Advisors Fund, L.P. Summit Partners, LLC is the sole general partner of Summit Partners V, L.P. Summit Partners, L.P. is the manager of Summit Partners, LLC. Item 2(b). Address of Principal Business Office or, if None, Residence: The address of the principal business office of Summit Partners, L.P., Summit Partners VI (GP), LLC, Summit Partners VI (GP), L.P., Summit Ventures VI-A, L.P., Summit Ventures VI-B, L.P., Summit VI Advisors Fund, L.P., Summit VI Entrepreneurs Fund, L.P., Summit Investors VI, L.P., Summit Partners, LLC, Summit Ventures V, L.P., Summit Partners V, L.P., Summit V Companion Fund, L.P., Summit V Advisors Fund (QP), L.P., and Summit V Advisors Fund, L.P., is Summit Partners, 222 Berkeley Street, 18th Floor, Boston, Massachusetts 02116. Item 2(c). Citizenship: Each of Summit Partners, L.P., Summit Partners VI (GP), L.P., Summit Ventures VI-A, L.P., Summit Ventures VI-B, L.P., Summit VI Advisors Fund, L.P., Summit VI Entrepreneurs Fund, L.P., Summit Investors VI, L.P., Summit Partners, LLC, Summit Ventures V, L.P., Summit Partners V, L.P., Summit V Companion Fund, L.P., Summit V Advisors Fund (QP), L.P., Summit V Advisors Fund, L.P. is a limited partnership organized under the laws of the State of Delaware. Each of Summit Partners VI (GP), LLC and Summit Partners, LLC, is a limited liability company organized under the laws of the State of Delaware. Item 2(d). Title of Class of Securities: Common Stock, $0.01 par value Item 2(e). CUSIP Number: 811656107 Page 16 of 39 Pages Item 3. If this statement is filed pursuant to Rules 13d-1(b), or 13d-2(b) or (c), check whether the person filing is a: Not Applicable. Item 4. Ownership. (a) Amount Beneficially Owned: Each of Summit Partners, L.P., Summit Partners VI (GP), LLC, Summit Partners VI (GP), L.P., Summit Ventures VI-A, L.P., Summit Ventures VI-B, L.P., Summit VI Advisors Fund, L.P., Summit VI Entrepreneurs Fund, L.P., and Summit Investors VI, L.P., Summit Partners, LLC, Summit Ventures V, L.P., Summit Partners V, L.P., Summit V Companion Fund, L.P., Summit V Advisors Fund (QP), L.P., and Summit V Advisors Fund, L.P. (individually an "Entity" and collectively the "Entities") may be deemed to own beneficially 1,190,127 shares of Common Stock as of December 31, 2006. As of December 31, 2006, Summit Ventures VI-A, L.P. was the record owner of 536,649 shares of Common Stock. As of December 31, 2006, Summit Ventures VI-B, L.P. was the record owner of 223,806 shares of Common Stock. As of December 31, 2006, Summit VI Advisors Fund, L.P. was the record owner of 11,160 shares of Common Stock. As of December 31, 2006, Summit VI Entrepreneurs Fund, L.P. was the record owner of 17,136 shares of Common Stock. As of December 31, 2006, Summit Investors VI, L.P. was the record owner of 4,668 shares of Common Stock. As of December 31, 2006, Summit Ventures V, L.P. was the record owner of 316,218 shares of Common Stock. As of December 31, 2006, Summit V Companion Fund, L.P. was the record owner of 52,875 shares of Common Stock. As of December 31, 2006, Summit V Advisors Fund (QP), L.P. was the record owner of 21,151 shares of Common Stock. As of December 31, 2006, Summit V Advisors Fund, L.P. was the record owner of 6,464 shares of Common Stock. The shares held of record by Summit Ventures VI-A, L.P., Summit Ventures VI-B, L.P., Summit VI Advisors Fund, L.P., Summit VI Entrepreneurs Fund, L.P., Summit Investors VI, L.P., Summit Ventures V, L.P., Summit V Companion Fund, L.P., Summit V Advisors Fund (QP), L.P., and Summit V Advisors Fund, L.P., are referred to herein collectively as the "Record Shares." By virtue of the affiliate relationships among the Entities, each Entity may be deemed to own beneficially all of the Record Shares. Hence, each Entity may be deemed to own beneficially 1,190,127 shares of Common Stock. Each of the reporting persons expressly disclaims beneficial ownership of any shares of SeaBright Insurance Holdings, Inc., except in the case of Summit Ventures VI-A, L.P., Summit Page 17 of 39 Pages Ventures VI-B, L.P., Summit VI Advisors Fund, L.P., Summit VI Entrepreneurs Fund, L.P., Summit Investors VI, L.P., Summit Ventures V, L.P., Summit V Companion Fund, L.P., Summit V Advisors Fund (QP), L.P., and Summit V Advisors Fund, L.P. in each case for the shares which it holds of record as provided in the prior paragraph. (b) Percent of Class: Summit Partners, L.P.: 5.8% Summit Partners VI (GP), LLC: 5.8% Summit Partners VI (GP), L.P.: 5.8% Summit Ventures VI-A, L.P.: 5.8% Summit Ventures VI-B, L.P.: 5.8% Summit VI Advisors Fund, L.P.: 5.8% Summit VI Entrepreneurs Fund, L.P.: 5.8% Summit Investors VI, L.P.: 5.8% Summit Partners, LLC: 5.8% Summit Ventures V, L.P.: 5.8% Summit Partners V, L.P.: 5.8% Summit V Companion Fund, L.P.: 5.8% Summit V Advisors Fund (QP), L.P.: 5.8% Summit V Advisors Fund, L.P.: 5.8% The foregoing percentages are calculated based on the 20,549,400 shares of Common Stock reported to be outstanding in a Quarterly Report on Form 10-Q for SeaBright Insurance Holdings, Inc. for the quarterly period ended September 30, 2006. (c) Number of shares as to which such person has: (i) sole power to vote or to direct the vote: 0 shares for each reporting person (ii) shared power to vote or to direct the vote: Summit Partners, L.P.: 1,190,127 shares Summit Partners VI (GP), LLC: 1,190,127 shares Summit Partners VI (GP), L.P.: 1,190,127 shares Summit Ventures VI-A, L.P.: 1,190,127 shares Summit Ventures VI-B, L.P.: 1,190,127 shares Summit VI Advisors Fund, L.P.: 1,190,127 shares Summit VI Entrepreneurs Fund, L.P.: 1,190,127 shares Summit Investors VI, L.P.: 1,190,127 shares Page 18 of 39 Pages Summit Partners, LLC: 1,190,127 shares Summit Ventures V, L.P.: 1,190,127 shares Summit Partners V, L.P.: 1,190,127 shares Summit V Companion Fund, L.P.: 1,190,127 shares Summit V Advisors Fund (QP), L.P.: 1,190,127 shares Summit V Advisors Fund, L.P.: 1,190,127 shares (iii) sole power to dispose or direct the disposition of: 0 shares for each reporting person (iv) shared power to dispose or direct the disposition of: Summit Partners, L.P.: 1,190,127 shares Summit Partners VI (GP), LLC: 1,190,127 shares Summit Partners VI (GP), L.P.: 1,190,127 shares Summit Ventures VI-A, L.P.: 1,190,127 shares Summit Ventures VI-B, L.P.: 1,190,127 shares Summit VI Advisors Fund, L.P.: 1,190,127 shares Summit VI Entrepreneurs Fund, L.P.: 71,190,127 shares Summit Investors VI, L.P.: 1,190,127 shares Summit Partners, LLC: 1,190,127 shares Summit Ventures V, L.P.: 1,190,127 shares Summit Partners V, L.P.: 1,190,127 shares Summit V Companion Fund, L.P.: 1,190,1277 shares Summit V Advisors Fund (QP), L.P.: 1,190,127 shares Summit V Advisors Fund, L.P.: 1,190,127 shares 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. Not Applicable. The reporting persons expressly disclaim membership in a "group" as used in 13d-1(b)(1)(ii)(J). Page 19 of 39 Pages Item 9. Notice of Dissolution of Group. Not Applicable. Item 10. Certification. Not Applicable. This statement on Schedule 13G is not filed pursuant to Rule 13d-1(b) or Rule 13d-1(c). Page 20 of 39 Pages SIGNATURES After reasonable inquiry and to the best of our knowledge and belief, we certify that the information set forth in this statement is true, complete and correct. We also hereby agree to file this statement jointly pursuant to the Agreement listed on Exhibit 1 hereto. Dated: February __, 2007. SUMMIT PARTNERS, L.P. SUMMIT PARTNERS VI (GP), LLC By: Summit Master Company, LLC By: Summit Partners, L.P. By: * By: Summit Master Company, LLC ----------------------------- Member By: * ----------------------------- Member SUMMIT PARTNERS VI (GP), L.P. SUMMIT VENTURES VI-A, L.P. By: Summit Partners VI (GP), LLC By: Summit Partners VI (GP), L.P. By: Summit Partners, L.P. By: Summit Partners VI (GP), LLC By: Summit Master Company, LLC By: Summit Partners, L.P. By: * By: Summit Master Company, LLC ----------------------------- Member By: * ----------------------------- Member SUMMIT VENTURES VI-B, L.P. SUMMIT VI ADVISORS FUND, L.P. By: Summit Partners VI (GP), L.P. By: Summit Partners VI (GP), L.P. By: Summit Partners VI (GP), LLC By: Summit Partners VI (GP), LLC By: Summit Partners, L.P. By: Summit Partners, L.P. By: Summit Master Company, LLC By: Summit Master Company, LLC By: * By: * ----------------------------- ----------------------------- Member Member Page 21 of 39 Pages SUMMIT VI ENTREPRENEURS FUND, L.P. SUMMIT INVESTORS VI, L.P. By: Summit Partners VI (GP), L.P. By: Summit Partners VI (GP), L.P. By: Summit Partners VI (GP), LLC By: Summit Partners VI (GP), LLC By: Summit Partners, L.P. By: Summit Partners, L.P. By: Summit Master Company, LLC By: Summit Master Company, LLC By: * By: * ----------------------------- ----------------------------- Member Member SUMMIT PARTNERS, LLC SUMMIT VENTURES V, L.P. By: Summit Partners, L.P. By: Summit Partners V, L.P. By: Summit Master Company, LLC By: Summit Partners, LLC By: * By: Summit Partners, L.P. ----------------------------- Member By: Summit Master Company, LLC By: * ----------------------------- General Partner SUMMIT V COMPANION FUND, L.P. SUMMIT V ADVISORS FUND (QP), L.P. By: Summit Partners V, L.P. By: Summit Partners V, L.P. By: Summit Partners, LLC By: Summit Partners, LLC By: Summit Partners, L.P. By: Summit Partners, L.P. By: Summit Master Company, LLC By: Summit Master Company, LLC By: * By: * ----------------------------- ----------------------------- General Partner General Partner Page 22 of 39 Pages SUMMIT V ADVISORS FUND, L.P. SUMMIT PARTNERS V, L.P. By: Summit Partners V, L.P. By: Summit Partners, LLC By: Summit Partners, LLC By: Summit Partners, L.P. By: Summit Partners, L.P. By: Summit Master Company, LLC By: Summit Master Company, LLC By: * ----------------------------- General Partner By: * ----------------------------- General Partner *By: ----------------------------- Robin W. Devereux Power of Attorney for Peter Y. Chung - -------------------------------------------------------------------------------- * Pursuant to Powers of Attorney on file with the Commission, which Powers of Attorney are incorporated herein by reference. Copies of such Powers of Attorney are attached hereto as Exhibit 2. Page 23 of 39 Pages Exhibit 1 AGREEMENT Pursuant to Rule 13d-1(k)(1) under the Securities Exchange Act of 1934, the undersigned hereby agree that only one statement containing the information required by Schedule 13G need be filed with respect to the ownership by each of the undersigned of shares of SeaBright Insurance Holdings, Inc. This agreement may be executed in any number of counterparts, each of which shall be deemed an original. EXECUTED this __th day of February, 2007. SUMMIT PARTNERS, L.P. SUMMIT PARTNERS VI (GP), LLC By: Summit Master Company, LLC By: Summit Partners, L.P. By: * By: Summit Master Company, LLC ----------------------------- Member By: * ----------------------------- Member SUMMIT PARTNERS VI (GP), L.P. SUMMIT VENTURES VI-A, L.P. By: Summit Partners VI (GP), LLC By: Summit Partners VI (GP), L.P. By: Summit Partners, L.P. By: Summit Partners VI (GP), LLC By: Summit Master Company, LLC By: Summit Partners, L.P. By: * By: Summit Master Company, LLC ----------------------------- Member By: * ----------------------------- Member SUMMIT VENTURES VI-B, L.P. SUMMIT VI ADVISORS FUND, L.P. By: Summit Partners VI (GP), L.P. By: Summit Partners VI (GP), L.P. By: Summit Partners VI (GP), LLC By: Summit Partners VI (GP), LLC By: Summit Partners, L.P. By: Summit Partners, L.P. By: Summit Master Company, LLC By: Summit Master Company, LLC By: * By: * ----------------------------- ----------------------------- Member Member Page 24 of 39 Pages SUMMIT VI ENTREPRENEURS FUND, L.P. SUMMIT INVESTORS VI, L.P. By: Summit Partners VI (GP), L.P. By: Summit Partners VI (GP), L.P. By: Summit Partners VI (GP), LLC By: Summit Partners VI (GP), LLC By: Summit Partners, L.P. By: Summit Partners, L.P. By: Summit Master Company, LLC By: Summit Master Company, LLC By: * By: * ----------------------------- ----------------------------- Member Member SUMMIT PARTNERS, LLC SUMMIT VENTURES V, L.P. By: Summit Partners, L.P. By: Summit Partners V, L.P. By: Summit Master Company, LLC By: Summit Partners, LLC By: * By: Summit Partners, L.P. ----------------------------- Member By: Summit Master Company, LLC By: * ----------------------------- General Partner SUMMIT V COMPANION FUND, L.P. SUMMIT V ADVISORS FUND (QP), L.P. By: Summit Partners V, L.P. By: Summit Partners V, L.P. By: Summit Partners, LLC By: Summit Partners, LLC By: Summit Partners, L.P. By: Summit Partners, L.P. By: Summit Master Company, LLC By: Summit Master Company, LLC By: * By: * ----------------------------- ----------------------------- General Partner General Partner Page 25 of 39 Pages SUMMIT V ADVISORS FUND, L.P. SUMMIT PARTNERS V, L.P. By: Summit Partners V, L.P. By: Summit Partners, LLC By: Summit Partners, LLC By: Summit Partners, L.P. By: Summit Partners, L.P. By: Summit Master Company, LLC By: Summit Master Company, LLC By: * ----------------------------- General Partner By: * ----------------------------- General Partner *By: ----------------------------- Robin W. Devereux Power of Attorney for Peter Y. Chung - -------------------------------------------------------------------------------- * Pursuant to Powers of Attorney on file with the Commission, which Powers of Attorney are incorporated herein by reference. Copies of such Powers of Attorney are attached hereto as Exhibit 2. Page 26 of 39 Pages Exhibit 2 POWER OF ATTORNEY KNOW ALL MEN BY THESE PRESENTS, that each person whose signature appears below hereby constitutes and appoints each and any of: E. Roe Stamps, IV, Joseph F. Trustey, Stephen G. Woodsum, Kevin P. Mohan, Gregory M. Avis, Peter Y. Chung, Martin J. Mannion, Scott C. Collins and Bruce R. Evans, Robin W. Devereux Thomas S. Roberts, Walter G. Kortschak, his true and lawful attorney-in-fact and agent, with full power of substitution and resubstitution, for him and in his name, place and stead, in any and all capacities (until revoked in writing) to sign any and all instruments, certificates and documents required to be executed on behalf of himself individually or on behalf of each or any of the entities listed on the attached Exhibit A, on matters pursuant to: (a) Sections 13 and 16 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), and any and all regulations promulgated thereunder, and (b) any written ballot or proxy with respect to the investment securities owned by any of the foregoing, and to file the same, with all exhibits thereto, and any other documents in connection therewith, with the Securities and Exchange Commission, and with any other entity when and if such is mandated by the Exchange Act or by the By-laws of the National Association of Securities Dealers, granting unto said attorney-in-fact and agent full power and authority to do and perform each and every act and thing requisite and necessary fully to all intents and purposes as he or she might or could do in person thereby ratifying and confirming all that said attorney-in-fact and agent, or his or her substitute or substitutes, may lawfully do or cause to be done by virtue hereof. The undersigned hereby acknowledges that this Power of Attorney supercedes, revokes and terminates any power of attorney executed by the undersigned prior to the date hereof for the purposes listed above. [Exhibit A and Signature Pages Follow] Page 27 of 39 Pages Page 39 of 39 Pages C:\DOCUME~1\MARAVILL\LOCALS~1\TEMP\NOTESAAFDA0\SUMMIT FUND VI AND V - 2006 13G - SEABRIGHT_#152548.DOC Page 28 of 39 Pages C:\DOCUME~1\MARAVILL\LOCALS~1\TEMP\NOTESAAFDA0\SUMMIT FUND VI AND V - 2006 13G - SEABRIGHT_#152548.DOC POWER OF ATTORNEY EXHIBIT A - ------------------------------------------------------------------------------- Summit Ventures, L.P. Summit Partners Blocker, Inc. - ------------------------------------------------------------------------------- Summit Ventures II, L.P. Summit Partners FF Corp - ------------------------------------------------------------------------------- SV Eurofund, C.V. Summit Partners Holdings, L.P. - ------------------------------------------------------------------------------- Summit Ventures III, L.P. Summit Partners II, L.P. - ------------------------------------------------------------------------------- Summit Ventures IV, L.P. Summit Partners III, L.P. - ------------------------------------------------------------------------------- Summit Ventures V, L.P. Summit Partners IV, L.P. - ------------------------------------------------------------------------------- Summit V Companion Fund, L.P. Summit Partners LLC - ------------------------------------------------------------------------------- Summit V Advisors Fund, L.P. Summit Partners SD II, LLC - ------------------------------------------------------------------------------- Summit V Advisors Fund QP, L.P. Su mmit Partners SD, L.P. - ------------------------------------------------------------------------------- Summit Ventures VI-A, L.P. Summit Partners V, L.P. - ------------------------------------------------------------------------------- Summit Ventures VI-B, L.P. Summit Partners VI (GP), L.P. - ------------------------------------------------------------------------------- Summit VI Advisors Fund, L.P. Summit Partners VI (GP), LLC - ------------------------------------------------------------------------------- Summit VI Entrepreneurs Fund L.P. SV International, L.P. - ------------------------------------------------------------------------------- Summit Subordinated Debt Fund, L.P. SWC Holdings Co. - ------------------------------------------------------------------------------- Summit Subordinated Debt Fund Summit Investment Holdings II, L.P. Trust - ------------------------------------------------------------------------------- Summit Accelerator Fund, L.P. Summit Investment Holdings Trust II - ------------------------------------------------------------------------------- Summit Founders' Fund, L.P. Summit Investors Holdings Trust - ------------------------------------------------------------------------------- Summit Founders' Fund II, L.P. Summit Master Company, LLC - ------------------------------------------------------------------------------- Summit Accelerator Founders' Summit Partners Holding GmBh Fund, L.P. - ------------------------------------------------------------------------------- Summit Investors, L.P. Summit Partners Sarl - ------------------------------------------------------------------------------- Summit Investors II, L.P. Summit Partners, L.P. - ------------------------------------------------------------------------------- Summit Investors III, L.P. Summit Partners, Ltd. - ------------------------------------------------------------------------------- Summit Investors (SAF) IV, L.P. Summit UK Advisory LLC - ------------------------------------------------------------------------------- Summit Investors VI, L.P. Summit/Meditech LLC - ------------------------------------------------------------------------------- Summit Incentive Plan, L.P. SV VI-B Bennington Blocker Corp - ------------------------------------------------------------------------------- Summit Incentive Plan II, L.P. SV VI-B Bennington Holdings LP - ------------------------------------------------------------------------------- SP (1984), LP (f/k/a Summit Partners, L.P.) SD II Bennington Blocker Corp - ------------------------------------------------------------------------------- S-K Investment Corp SV VI-B Commnet Common Blocker Corp. - ------------------------------------------------------------------------------- Stamps, Woodsum & Co. SV VI-B Commnet Holdings, L.P. - ------------------------------------------------------------------------------- Stamps, Woodsum & Co. II SV VI-B Commnet Preferred Blocker Corp. - ------------------------------------------------------------------------------- Stamps, Woodsum & Co. III SV VI-B Eyeglass Common Blocker - ------------------------------------------------------------------------------- Stamps, Woodsum &Co. IV SV VI-B Eyeglass Holdings LP - ------------------------------------------------------------------------------- Summit Accelerator Management, SV VI-B Eyeglass Preferred LLC Blocker - ------------------------------------------------------------------------------- Summit Accelerator Management, LP SD II Eyeglass Holdings LP - ------------------------------------------------------------------------------- Summit Accelerator Partners, LLC - ------------------------------------------------------------------------------- Summit Accelerator Partners, LP - ------------------------------------------------------------------------------- Page 28 of 39 Pages IN WITNESS WHEREOF, this Power of Attorney has been signed as of the 26th day of July, 2004. /s/ E. Roe Stamps, IV ---------------------- E. Roe Stamps, IV State of Florida ) ) ss: County of Dade ) On this 26th day of July, 2004, before me personally came E. Roe Stamps, IV, known to me to be the person described and who executed the foregoing instrument that he acknowledged and executed the same. [Notary Seal] /s/ Elizabeth O'Keefe --------------------- Notary Public Page 29 of 39 Pages IN WITNESS WHEREOF, this Power of Attorney has been signed as of the 30th day of July, 2004. /s/ Stephen G. Woodsum ---------------------- Stephen G. Woodsum Commonwealth of Massachusetts ) ) ss: County of Suffolk ) On this 30th day of July, 2004, before me personally came Stephen G. Woodsum, known to me to be the person described and who executed the foregoing instrument that he acknowledged and executed the same. [Notary Seal] /s/ Cynthia R. Freedman ----------------------- Notary Public Page 30 of 39 Pages IN WITNESS WHEREOF, this Power of Attorney has been signed as of the 7th day of July, 2004. /s/ Gregory M. Avis ------------------- Gregory M. Avis State of California ) ) ss: County of San Mateo ) On this 7th day of July, 2004, before me personally came Gregory M. Avis, known to me to be the person described and who executed the foregoing instrument that he acknowledged and executed the same. [Notary Seal] /s/ Tammy Kettunen ------------------ Notary Public Page 31 of 39 Pages IN WITNESS WHEREOF, this Power of Attorney has been signed as of the 30th day of July, 2004. /s/ Martin J. Mannion --------------------- Martin J. Mannion Commonwealth of Massachusetts ) ) ss: County of Suffolk ) On this 30th day of July, 2004, before me personally came Martin J. Mannion, known to me to be the person described and who executed the foregoing instrument that he acknowledged and executed the same. [Notary Seal] /s/ Cynthia R. Freedman ----------------------- Notary Public Page 32 of 39 Pages IN WITNESS WHEREOF, this Power of Attorney has been signed as of the 10th day of August, 2004. /s/ Bruce R. Evans ------------------ Bruce R. Evans Commonwealth of Massachusetts ) ) ss: County of Suffolk ) On this 10th day of August, 2004, before me personally came Bruce R. Evans, known to me to be the person described and who executed the foregoing instrument that he acknowledged and executed the same. [Notary Seal] /s/ Cynthia R. Freedman ----------------------- Notary Public Page 33 of 39 Pages IN WITNESS WHEREOF, this Power of Attorney has been signed as of the 4th day of August, 2004. /s/ Thomas S. Roberts --------------------- Thomas S. Roberts Commonwealth of Massachusetts ) ) ss: County of Suffolk ) On this 4th day of August, 2004, before me personally came Thomas S. Roberts, known to me to be the person described and who executed the foregoing instrument that he acknowledged and executed the same. [Notary Seal] /s/ Cynthia R. Freedman ----------------------- Notary Public Page 34 of 39 Pages IN WITNESS WHEREOF, this Power of Attorney has been signed as of the 7th day of July, 2004. /s/ Walter G. Kortschak ----------------------- Walter G. Kortschak State of California ) ) ss: County of San Mateo ) On this 7th day of July, 2004, before me personally came Walter G. Kortschak, known to me to be the person described and who executed the foregoing instrument that he acknowledged and executed the same. [Notary Seal] /s/ Tammy Kettunen ------------------ Notary Public Page 35 of 39 Pages IN WITNESS WHEREOF, this Power of Attorney has been signed as of the 30th day of July, 2004. /s/ Joseph F. Trustey --------------------- Joseph F. Trustey Commonwealth of Massachusetts ) ) ss: County of Suffolk ) On this 30th day of July, 2004, before me personally came Joseph F. Trustey, known to me to be the person described and who executed the foregoing instrument that he acknowledged and executed the same. [Notary Seal] /s/ Cynthia R. Freedman ----------------------- Notary Public Page 36 of 39 Pages IN WITNESS WHEREOF, this Power of Attorney has been signed as of the 30th day of July, 2004. /s/ Kevin P. Mohan ------------------ Kevin P. Mohan Commonwealth of Massachusetts ) ) ss: County of Suffolk ) On this 30th day of July, 2004, before me personally came Kevin P. Mohan, known to me to be the person described and who executed the foregoing instrument that he acknowledged and executed the same. [Notary Seal] /s/ Cynthia R. Freedman ----------------------- Notary Public Page 37 of 39 Pages IN WITNESS WHEREOF, this Power of Attorney has been signed as of the 6th day of July, 2004. /s/ Peter Y. Chung ------------------ Peter Y. Chung State of California ) ) ss: County of San Mateo ) On this 6th day of July, 2004, before me personally came Peter Y. Chung, known to me to be the person described and who executed the foregoing instrument that he acknowledged and executed the same. [Notary Seal] /s/ Tammy Kettunen ------------------ Notary Public Page 38 of 39 Pages IN WITNESS WHEREOF, this Power of Attorney has been signed as of the 6th day of July, 2004. /s/ Scott C. Collins -------------------- Scott C. Collins Kingdom of England ) City of London ) ss: ) On this 6th day of July, 2004, before me personally came Scott C. Collins, known to me to be the person described and who executed the foregoing instrument that he acknowledged and executed the same. [Notary Seal] /s/ Edward Gardiner ------------------- Notary Public Page 39 of 39 Pages -----END PRIVACY-ENHANCED MESSAGE-----