SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 ---------------------- SCHEDULE 13G (Rule 13d-102) INFORMATION TO BE INCLUDED IN STATEMENTS FILED PURSUANT TO RULES 13D-1(B), (C) AND (D) AND AMENDMENTS THERETO FILED PURSUANT TO RULE 13D-2(B) (Amendment No. 1)(1) Rigel Pharmaceuticals, Inc. --------------------------- (Name of Issuer) Common Stock ------------ (Title of Class of Securities) 766559603 --------- (CUSIP Number) June 13, 2005 ------------- (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) (Page 1 of 15 Pages) - ----------------------------- (1)The remainder of this cover page shall be filled out for a reporting person's initial filing on this form with respect to the subject class of securities, and for any subsequent amendment containing information which would alter 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, as amended (the "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. 766559603 13G Page 2 of 15 Pages --------- ------- -------- - -------------------------------------------------------------------------------- - -------------------------------------------------------------------------------- 1 NAME OF REPORTING PERSONS I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS (ENTITIES ONLY) Raj Rajaratnam - -------------------------------------------------------------------------------- 2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP* (a) |_| (b) |X| - -------------------------------------------------------------------------------- 3 SEC USE ONLY - -------------------------------------------------------------------------------- 4 CITIZENSHIP OR PLACE OF ORGANIZATION United States - -------------------------------------------------------------------------------- 5 SOLE VOTING POWER NUMBER OF SHARES 0 BENEFICIALLY ------------------------------------------------------ OWNED BY 6 SHARED VOTING POWER EACH REPORTING 842,323 PERSON ------------------------------------------------------ WITH 7 SOLE DISPOSITIVE POWER 0 ------------------------------------------------------ 8 SHARED DISPOSITIVE POWER 842,323 - -------------------------------------------------------------------------------- 9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 842,323 - -------------------------------------------------------------------------------- 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 INSTRUCTION BEFORE FILLING OUT! - -------------------------------------------------------------------------------- CUSIP NO. 766559603 13G Page 3 of 15 Pages --------- ------- -------- - -------------------------------------------------------------------------------- - -------------------------------------------------------------------------------- 1 NAME OF REPORTING PERSONS I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS (ENTITIES ONLY) Galleon Management, L.L.C. - -------------------------------------------------------------------------------- 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 - -------------------------------------------------------------------------------- 5 SOLE VOTING POWER NUMBER OF SHARES 0 BENEFICIALLY ------------------------------------------------------ OWNED BY 6 SHARED VOTING POWER EACH REPORTING 842,323 PERSON ------------------------------------------------------ WITH 7 SOLE DISPOSITIVE POWER 0 ------------------------------------------------------ 8 SHARED DISPOSITIVE POWER 842,323 - -------------------------------------------------------------------------------- 9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 842,323 - -------------------------------------------------------------------------------- 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* OO - -------------------------------------------------------------------------------- *SEE INSTRUCTION BEFORE FILLING OUT! - -------------------------------------------------------------------------------- CUSIP NO. 766559603 13G Page 4 of 15 Pages --------- ------- -------- - -------------------------------------------------------------------------------- - -------------------------------------------------------------------------------- 1 NAME OF REPORTING PERSONS I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS (ENTITIES ONLY) Galleon Management, 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 - -------------------------------------------------------------------------------- 5 SOLE VOTING POWER NUMBER OF SHARES 0 BENEFICIALLY ------------------------------------------------------ OWNED BY 6 SHARED VOTING POWER EACH REPORTING 842,343 PERSON ------------------------------------------------------ WITH 7 SOLE DISPOSITIVE POWER 0 ------------------------------------------------------ 8 SHARED DISPOSITIVE POWER 842,343 - -------------------------------------------------------------------------------- 9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 842,343 - -------------------------------------------------------------------------------- 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* PN - -------------------------------------------------------------------------------- *SEE INSTRUCTION BEFORE FILLING OUT! - -------------------------------------------------------------------------------- CUSIP NO. 766559603 13G Page 5 of 15 Pages --------- ------- -------- - -------------------------------------------------------------------------------- - -------------------------------------------------------------------------------- 1 NAME OF REPORTING PERSONS I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS (ENTITIES ONLY) Galleon Advisors, L.L.C. - -------------------------------------------------------------------------------- 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 - -------------------------------------------------------------------------------- 5 SOLE VOTING POWER NUMBER OF SHARES 0 BENEFICIALLY ------------------------------------------------------ OWNED BY 6 SHARED VOTING POWER EACH REPORTING 117,440 PERSON ------------------------------------------------------ WITH 7 SOLE DISPOSITIVE POWER 0 ------------------------------------------------------ 8 SHARED DISPOSITIVE POWER 117,440 - -------------------------------------------------------------------------------- 9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 117,440 - -------------------------------------------------------------------------------- 10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES* |_| - -------------------------------------------------------------------------------- 11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9 0.6% - -------------------------------------------------------------------------------- 12 TYPE OF REPORTING PERSON* OO - -------------------------------------------------------------------------------- *SEE INSTRUCTION BEFORE FILLING OUT! - -------------------------------------------------------------------------------- CUSIP NO. 766559603 13G Page 6 of 15 Pages --------- ------- -------- - -------------------------------------------------------------------------------- - -------------------------------------------------------------------------------- 1 NAME OF REPORTING PERSONS I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS (ENTITIES ONLY) Galleon Captains Partners, 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 - -------------------------------------------------------------------------------- 5 SOLE VOTING POWER NUMBER OF SHARES 0 BENEFICIALLY ------------------------------------------------------ OWNED BY 6 SHARED VOTING POWER EACH REPORTING 51,440 PERSON ------------------------------------------------------ WITH 7 SOLE DISPOSITIVE POWER 0 ------------------------------------------------------ 8 SHARED DISPOSITIVE POWER 51,440 - -------------------------------------------------------------------------------- 9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 51,440 - -------------------------------------------------------------------------------- 10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES* |_| - -------------------------------------------------------------------------------- 11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9 0.3% - -------------------------------------------------------------------------------- 12 TYPE OF REPORTING PERSON* PN - -------------------------------------------------------------------------------- *SEE INSTRUCTION BEFORE FILLING OUT! - -------------------------------------------------------------------------------- CUSIP NO. 766559603 13G Page 7 of 15 Pages --------- ------- -------- - -------------------------------------------------------------------------------- - -------------------------------------------------------------------------------- 1 NAME OF REPORTING PERSONS I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS (ENTITIES ONLY) Galleon Captains Offshore, Ltd. - -------------------------------------------------------------------------------- 2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP* (a) |_| (b) |X| - ------------------------------------------------------------------------------- 3 SEC USE ONLY - -------------------------------------------------------------------------------- 4 CITIZENSHIP OR PLACE OF ORGANIZATION Bermuda - -------------------------------------------------------------------------------- 5 SOLE VOTING POWER NUMBER OF SHARES 0 BENEFICIALLY ------------------------------------------------------ OWNED BY 6 SHARED VOTING POWER EACH REPORTING 229,660 PERSON ------------------------------------------------------ WITH 7 SOLE DISPOSITIVE POWER 0 ------------------------------------------------------ 8 SHARED DISPOSITIVE POWER 229,660 - -------------------------------------------------------------------------------- 9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 229,660 - -------------------------------------------------------------------------------- 10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES* |_| - -------------------------------------------------------------------------------- 11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9 1.2% - -------------------------------------------------------------------------------- 12 TYPE OF REPORTING PERSON* CO - -------------------------------------------------------------------------------- *SEE INSTRUCTION BEFORE FILLING OUT! - -------------------------------------------------------------------------------- CUSIP NO. 766559603 13G Page 8 of 15 Pages --------- ------- -------- - -------------------------------------------------------------------------------- - -------------------------------------------------------------------------------- 1 NAME OF REPORTING PERSONS I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS (ENTITIES ONLY) Galleon Healthcare Partners, 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 - -------------------------------------------------------------------------------- 5 SOLE VOTING POWER NUMBER OF SHARES 0 BENEFICIALLY ------------------------------------------------------ OWNED BY 6 SHARED VOTING POWER EACH REPORTING 66,000 PERSON ------------------------------------------------------ WITH 7 SOLE DISPOSITIVE POWER 0 ------------------------------------------------------ 8 SHARED DISPOSITIVE POWER 66,000 - -------------------------------------------------------------------------------- 9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 66,000 - -------------------------------------------------------------------------------- 10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES* |_| - -------------------------------------------------------------------------------- 11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9 0.3% - -------------------------------------------------------------------------------- 12 TYPE OF REPORTING PERSON* CO - -------------------------------------------------------------------------------- *SEE INSTRUCTION BEFORE FILLING OUT! - -------------------------------------------------------------------------------- CUSIP NO. 766559603 13G Page 9 of 15 Pages --------- ------- -------- - -------------------------------------------------------------------------------- - -------------------------------------------------------------------------------- 1 NAME OF REPORTING PERSONS I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS (ENTITIES ONLY) Galleon Healthcare Offshore, Ltd. - -------------------------------------------------------------------------------- 2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP* (a) |_| (b) |X| - -------------------------------------------------------------------------------- 3 SEC USE ONLY - -------------------------------------------------------------------------------- 4 CITIZENSHIP OR PLACE OF ORGANIZATION Bermuda - -------------------------------------------------------------------------------- 5 SOLE VOTING POWER NUMBER OF SHARES 0 BENEFICIALLY ------------------------------------------------------ OWNED BY 6 SHARED VOTING POWER EACH REPORTING 495,223 PERSON ------------------------------------------------------ WITH 7 SOLE DISPOSITIVE POWER 0 ------------------------------------------------------ 8 SHARED DISPOSITIVE POWER 495,223 - -------------------------------------------------------------------------------- 9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 495,223 - -------------------------------------------------------------------------------- 10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES* |_| - -------------------------------------------------------------------------------- 11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9 2.5% - -------------------------------------------------------------------------------- 12 TYPE OF REPORTING PERSON* CO - -------------------------------------------------------------------------------- *SEE INSTRUCTION BEFORE FILLING OUT! - -------------------------------------------------------------------------------- CUSIP NO. 766559603 13G Page 10 of 15 Pages --------- ------- -------- - -------------------------------------------------------------------------------- SCHEDULE 13-G - TO BE INCLUDED IN STATEMENTS FILED PURSUANT TO RULE 13d-1(c) ITEM 1(A). NAME OF ISSUER: Rigel Pharmaceuticals, Inc. ITEM 1(B). ADDRESS OF ISSUER'S PRINCIPAL EXECUTIVE OFFICES: 1180 Veterans Boulevard South San Francisco, CA 94080 ITEM 2(A). NAME OF PERSON FILING: Raj Rajaratnam Galleon Management, L.L.C. Galleon Management, L.P. Galleon Advisors, L.L.C. Galleon Captains Partners, L.P. Galleon Captains Offshore, Ltd. Galleon Healthcare Partners, L.P. Galleon Healthcare Offshore, Ltd. Each of the foregoing, a "Reporting Person." ITEM 2(B). ADDRESS OF PRINCIPAL BUSINESS OFFICE OR, IF NONE, RESIDENCE: For Galleon Management, L.P.: 135 East 57th Street, 16th Floor New York, NY 10022 For each Reporting Person other than Galleon Management, L.P.: c/o Galleon Management, L.P. 135 East 57th Street, 16th Floor New York, NY 10022 ITEM 2(C). CITIZENSHIP: For Raj Rajaratnam: United States For Galleon Captains Offshore, Ltd.: Bermuda - -------------------------------------------------------------------------------- CUSIP NO. 766559603 13G Page 11 of 15 Pages --------- ------- -------- - -------------------------------------------------------------------------------- For Galleon Healthcare Offshore, Ltd.: Bermuda For each Reporting Person other than Raj Rajaratnam, Galleon Captains Offshore, Ltd. and Galleon Healthcare Offshore, Ltd.: Delaware. ITEM 2(D). TITLE OF CLASS OF SECURITIES: Common Stock, no par value ITEM 2(E). CUSIP NUMBER: 766559603 ITEM 3. IF THIS STATEMENT IS FILED PURSUANT TO RULE 13D-1(B), OR 13D-2 (B) OR (C), CHECK WHETHER THE PERSON FILING IS A: Not applicable. ITEM 4. OWNERSHIP. For Raj Rajaratnam, Galleon Management, L.P., and Galleon Management, L.L.C.: (a) Amount Beneficially Owned: 842,323 shares of Common Stock (b) Percent of Class: 4.2% (Based upon 19,871,798 shares of Common Stock outstanding as reported by the Issuer in its Quarterly Report on Form 10-Q for the quarter ended March 31, 2005) (c) Number of shares as to which such person has: (i) Sole power to vote or to direct the vote: 0 (ii) Shared power to vote or to direct the vote: 842,323 (iii) Sole power to dispose or to direct the disposition of: 0 (iv) Shared power to dispose or to direct the disposition of: 842,323 For Galleon Advisors, L.L.C.: (a) Amount Beneficially Owned: 117,440 shares of Common Stock (b) Percent of Class: 0.6% (Based upon 19,871,798 shares of Common Stock outstanding as reported by the Issuer in its Quarterly Report on Form 10-Q for the quarter ended March 31, 2005) - -------------------------------------------------------------------------------- CUSIP NO. 766559603 13G Page 12 of 15 Pages --------- ------- -------- - -------------------------------------------------------------------------------- (c) Number of shares as to which such person has: (i) Sole power to vote or to direct the vote: 0 (ii) Shared power to vote or to direct the vote: 117,440 (iii) Sole power to dispose or to direct the disposition of: 0 (iv) Shared power to dispose or to direct the disposition of: 117,440 For Galleon Captains Partners, L.P.: (a) Amount Beneficially Owned: 51,440 shares of Common Stock (b) Percent of Class: 0.3% (Based upon 19,871,798 shares of Common Stock outstanding as reported by the Issuer in its Quarterly Report on Form 10-Q for the quarter ended March 31, 2005) (c) Number of shares as to which such person has: (i) Sole power to vote or to direct the vote: 0 (ii) Shared power to vote or to direct the vote: 51,440 (iii) Sole power to dispose or to direct the disposition of: 0 (iv) Shared power to dispose or to direct the disposition of: 51,440 For Galleon Captains Offshore, Ltd.: (a) Amount Beneficially Owned: 229,660 shares of Common Stock (b) Percent of Class: 1.2% (Based upon 19,871,798 shares of Common Stock outstanding as reported by the Issuer in its Quarterly Report on Form 10-Q for the quarter ended March 31, 2005) (c) Number of shares as to which such person has: (i) Sole power to vote or to direct the vote: 0 (ii) Shared power to vote or to direct the vote: 229,660 (iii) Sole power to dispose or to direct the disposition of: 0 (iv) Shared power to dispose or to direct the disposition of: 229,660 - -------------------------------------------------------------------------------- CUSIP NO. 766559603 13G Page 13 of 15 Pages --------- ------- -------- - -------------------------------------------------------------------------------- For Galleon Healthcare Partners, L.P.: (a) Amount Beneficially Owned: 66,000 shares of Common Stock (b) Percent of Class: 0.3% (Based upon 19,871,798 shares of Common Stock outstanding as reported by the Issuer in its Quarterly Report on Form 10-Q for the quarter ended March 31, 2005) (c) Number of shares as to which such person has: (i) Sole power to vote or to direct the vote: 0 (ii) Shared power to vote or to direct the vote: 66,000 (iii) Sole power to dispose or to direct the disposition of: 0 (iv) Shared power to dispose or to direct the disposition of: 66,000 For Galleon Healthcare Offshore, Ltd.: (a) Amount Beneficially Owned: 495,223 shares of Common Stock (b) Percent of Class: 2.5% (Based upon 19,871,791 shares of Common Stock outstanding as reported by the Issuer in its Quarterly Report on Form 10-Q for the quarter ended March 31, 2005) (c) Number of shares as to which such person has: (i) Sole power to vote or to direct the vote: 0 (ii) Shared power to vote or to direct the vote: 495,223 (iii) Sole power to dispose or to direct the disposition of: 0 (iv) Shared power to dispose or to direct the disposition of: 495,223 Pursuant to the partnership agreements of Galleon Captains Partners, L.P. and Galleon Healthcare Partners, L.P., Galleon Management, L.P. and Galleon Advisors, L.L.C. share all investment and voting power with respect to the securities held by Galleon Captains Partners, L.P. and Galleon Healthcare Partners, L.P. Pursuant to an investment management agreement, Galleon Management, L.P. has all investment and voting power with respect to the securities held by Galleon Captains Offshore, Ltd. and Galleon Healthcare Offshore, Ltd. Raj Rajaratnam, as the managing member of Galleon Management, L.L.C., controls Galleon Management, L.L.C., which, as the general partner of Galleon Management, L.P., controls Galleon Management, L.P. Raj Rajaratnam, as the managing member of Galleon Advisors, L.L.C., also controls Galleon Advisors, L.L.C. The shares reported herein by Raj Rajaratnam, Galleon Management, L.P., Galleon Management, L.L.C., and Galleon Advisors, L.L.C. may be deemed - -------------------------------------------------------------------------------- CUSIP NO. 766559603 13G Page 14 of 15 Pages --------- ------- -------- - -------------------------------------------------------------------------------- beneficially owned as a result of the purchase of such shares by Galleon Captains Partners, L.P., Galleon Captains Offshore, Ltd., Galleon Healthcare Partners, L.P. and Galleon Healthcare Offshore, Ltd. as the case may be. Each of Raj Rajaratnam, Galleon Management, L.P., Galleon Management, L.L.C., and Galleon Advisors, L.L.C. disclaims any beneficial ownership of the shares reported herein, except to the extent of any pecuniary interest therein. 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]. 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 OR CONTROL PERSON. Not applicable. ITEM 8. IDENTIFICATION AND CLASSIFICATION OF MEMBERS OF A GROUP. Not applicable. ITEM 9. NOTICE OF DISSOLUTION OF GROUP. Not applicable. ITEM 10. CERTIFICATION. By signing below I certify that, to the best of my knowledge and belief, the securities referred to above 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. - -------------------------------------------------------------------------------- CUSIP NO. 766559603 13G Page 15 of 15 Pages --------- ------- -------- - -------------------------------------------------------------------------------- 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. /s/ Raj Rajaratnam ------------------ Raj Rajaratnam, for HIMSELF; For GALLEON MANAGEMENT, L.L.C., as its Managing Member; For GALLEON MANAGEMENT, L.P., as the Managing Member of its General Partner, Galleon Management, L.L.C.; For GALLEON ADVISORS, L.L.C., as its Managing Member; For GALLEON CAPTAINS PARTNERS, L.P., as the Managing Member of its General Partner, Galleon Advisors, L.L.C.; For GALLEON CAPTAINS OFFSHORE, LTD., as the Managing Member of Galleon Management, L.L.C., which is the General Partner of Galleon Management, L.P., which in turn, is an Authorized Signatory; For GALLEON HEALTHCARE PARTNERS, L.P., as the Managing Member of its General Partner, Galleon Advisors, L.L.C.; and For GALLEON HEALTHCARE OFFSHORE, LTD., as the Managing Member of Galleon Management, L.L.C., which is the General Partner of Galleon Management, L.P., which in turn, is an Authorized Signatory Dated: June 14, 2005 EXHIBIT 1 --------- The undersigned acknowledge and agree that the foregoing statement on Schedule 13G is filed on behalf of each of the undersigned and that all subsequent amendments to this statement on Schedule 13G shall be filed on behalf of each of the undersigned without the necessity of filing additional joint acquisition statements. The undersigned acknowledge that each shall be responsible for the timely filing of such amendments, and for the completeness and accuracy of the information concerning him or it contained therein, but shall not be responsible for the completeness and accuracy of the information concerning the others, except to the extent that he or it knows or has reason to believe that such information is inaccurate. s/ Raj Rajaratnam ----------------- Raj Rajaratnam, for HIMSELF; For GALLEON MANAGEMENT, L.L.C., as its Managing Member; For GALLEON MANAGEMENT, L.P., as the Managing Member of its General Partner, Galleon Management, L.L.C.; For GALLEON ADVISORS, L.L.C., as its Managing Member; For GALLEON CAPTAINS PARTNERS, L.P., as the Managing Member of its General Partner, Galleon Advisors, L.L.C.; For GALLEON CAPTAINS OFFSHORE, LTD., as the Managing Member of Galleon Management, L.L.C., which is the General Partner of Galleon Management, L.P., which in turn, is an Authorized Signatory; For GALLEON HEALTHCARE PARTNERS, L.P., as the Managing Member of its General Partner, Galleon Advisors, L.L.C.; and For GALLEON HEALTHCARE OFFSHORE, LTD., as the Managing Member of Galleon Management, L.L.C., which is the General Partner of Galleon Management, L.P., which in turn, is an Authorized Signatory Dated: June 14, 2005