OMB APPROVAL ------------------------ OMB Number 3235-0287 Expires: January 31, 2005 Estimated average burden hours per response....0.5 U.S. SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 4 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(f) of the Investment Company Act of 1940 [_] Check box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b). (Print or Type Responses) ________________________________________________________________________________ 1. Name and Address of Reporting Person* Blackstone Management Associates III L.L.C. -------------------------------------------------------------------------------- (Last) (First) (Middle) 345 Park Avenue, 31st Floor -------------------------------------------------------------------------------- (Street) New York, New York 10154 -------------------------------------------------------------------------------- (City) (State) (Zip) ________________________________________________________________________________ 2. Issuer Name and Ticker or Trading Symbol Sirius Satellite Radio Inc. Symbol: SIRI ________________________________________________________________________________ 3. IRS Identification Number of Reporting Person, if an Entity (Voluntary) ________________________________________________________________________________ 4. Statement for Month/Day/Year March 7, 2003 ________________________________________________________________________________ 5. If Amendment, Date of Original (Month/Day/Year) January 31, 2000 ________________________________________________________________________________ 6. Relationship of Reporting Person to Issuer (Check all applicable) [_] Director [X] 10% Owner [_] Officer (give title below) [_] Other (specify below) _______________________________________________________________________________ 7. Individual or Joint/Group Filing (Check applicable line) [_] Form filed by one Reporting Person [X] Form filed by more than one Reporting Person _______________________________________________________________________________ =============================================================================== Table I -- Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned =============================================================================== 2A. Deemed 4. Execu- Securities Acquired (A) 2. tion 3. or Disposed of (D) Transaction Date, Transaction (Instr. 3, 4 and 5) Date if any Code ------------------------------------ 1. (Month/ (Month/ (Instr. 8) (A) Title of Security Day/ Day/ ------------ Amount or Price (Instr. 3) Year) Year) Code V (D) ------------------------------------------------------------------------------------------------ Common Stock 3/7/03 P 19,103,771 A $19,849,912 ------------------------------------------------------------------------------------------------- Common Stock 3/7/03 P 3,456,343 A $3,591,338 ------------------------------------------------------------------------------------------------- Common Stock 3/7/03 P 1,440,007 A $1,496,250 ------------------------------------------------------------------------------------------------- J (See Common Stock 3/7/03 (4)) 29,429,517 A See (4) ------------------------------------------------------------------------------------------------- J (See Common Stock 3/7/03 (4)) 5,324,545 A See (4) ------------------------------------------------------------------------------------------------- J (See Common Stock 3/7/03 (4)) 2,218,344 A See (4) ------------------------------------------------------------------------------------------------- 5. Amount of 6. Securities Owner- Beneficially ship Owned Form: 7. Following Direct Nature of Reported (D) or Indirect Transaction(5) Indirect Beneficial (Instr. 3 (I) Ownership and 4) (Instr.4) (Instr. 4) ------------ ---------- ---------- 1 See (1) ---------------------------------------- 1 See (2) ---------------------------------------- 1 See (3) ---------------------------------------- 48,533,288 1 See (1) ---------------------------------------- 8,780,888 1 See (2) ---------------------------------------- 3,658,351 1 See (3) ---------------------------------------- ============================================================================== Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly. * If the Form is filed by more than one Reporting Person, see Instruction 4(b)(v). (Over) SEC 1474 (3-99) Page 1 of 5 FORM 4 (continued) Table II -- Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities) ============================================================================== 2. Conver- 5. sion Number of or Derivative Exer- 4. Securities cise 3. Trans- Acquired (A) Price Trans- action or Disposed 1. of action Code of(D) Title of Deriv- Date (Instr. (Instr. 3, Derivative ative (Month/ 8) 4 and 5) Security Secur- Day/ ------ ------------------------ (Instr. 3) ity Year) Code V (A) (D) ----------------------------------------------------------------------- Warrant $1.04 3/7/03 J (See 20,085,138 (4)) ----------------------------------------------------------------------- Warrant $1.04 3/7/03 J (See 3,633,896 (4)) ----------------------------------------------------------------------- Warrant $1.04 3/7/03 J (See 1,513,981 (4)) ----------------------------------------------------------------------- Warrant $0.92 3/7/03 J (See 13,390,091 (4)) ----------------------------------------------------------------------- Warrant $0.92 3/7/03 J (See 2,422,597 (4)) ----------------------------------------------------------------------- Warrant $0.92 3/7/03 J (See 1,009,321 (4)) ----------------------------------------------------------------------- Preferred Stock 3/7/03 J (See 2,031,562 (4)) ----------------------------------------------------------------------- Preferred Stock 3/7/03 J (See 367,561 (4)) ----------------------------------------------------------------------- Preferred Stock 3/7/03 J (See 153,136 (4)) ----------------------------------------------------------------------- ----------------------------------------------------------------------- 10. 9. Owner- Number ship of Form Deriv- of 7. ative Deriv- 11. Title and Amount Secur- ative Nature 6. of Underlying 8. ities Secur- of Date Securities Price Bene- ity: In- Exercisable and (Instr. 3 and 4) of ficially Direct direct Expiration Date ---------------- Deriv- Owned (D) or Bene- (Month/Day/Year) Amount ative Following In- ficial ---------------- or Secur- Reported direct Owner- Date Expira- Number ity Transactions (I) ship Exer- tion of (Instr. (Instr. (Instr. (Instr. cisable Date Title Shares 5) 4) 4) 4) ------------------------------------------------------------------------------- 3/7/03 3/7/05 Common 20,085,138 See (4) 20,085,138 1 See (1) Stock -------------------------------------------------------------------------------- 3/7/03 3/7/05 Common 3,633,896 See (4) 3,633,896 1 See (2) Stock -------------------------------------------------------------------------------- 3/7/03 3/7/05 Common 1,513,981 See (4) 1,513,981 1 See (3) Stock -------------------------------------------------------------------------------- 3/7/03 3/7/05 Common 13,390,091 See (4) 13,390,091 1 See (1) Stock -------------------------------------------------------------------------------- 3/7/03 3/7/05 Common 2,422,597 See (4) 2,422,597 1 See (2) Stock -------------------------------------------------------------------------------- 3/7/03 3/7/05 Common 1,009,321 See (4) 1,009,321 1 See (3) Stock -------------------------------------------------------------------------------- Common 5,972,792 0 1 See (1) Stock -------------------------------------------------------------------------------- Common 1,080,629 0 1 See (2) Stock -------------------------------------------------------------------------------- Common 450,220 0 1 See (3) Stock -------------------------------------------------------------------------------- ================================================================================ (1) Blackstone CCC Capital Partners L.P. ("BCP CCC") directly owns 48,533,288 shares of Common Stock and Warrants exercisable for 33,475,229 shares of Common Stock. Blackstone Management Associates III L.L.C. ("BMA III") is the sole general partner of BCP CCC. Peter G. Peterson and Stephen A. Schwarzman are the founding members and managing members of BMA III. Therefore, each of BMA III, Peter G. Peterson and Stephen A. Schwarzman may be deemed to beneficially own all of the Common Stock and Warrants owned by BCP CCC. Page 2 of 5 FORM 4 (continued) (2) Blackstone CCC Offshore Capital Partners L.P. ("BCP CCC Offshore") directly owns 8,780,888 shares of Common Stock and Warrants exercisable for 6,056,493 shares of Common Stock. BMA III is the sole investment general partner of BCP CCC Offshore. Peter G. Peterson and Stephen A. Schwarzman are the founding members and managing members of BMA III. Therefore, each of BMA III, Peter G. Peterson and Stephen A. Schwarzman may be deemed to beneficially own all of the Common Stock and Warrants owned by BCP CCC Offshore. (3) Blackstone Family Investment Partnership III L.P. ("BFIP III") directly owns 3,658,351 shares of Common Stock and Warrants exercisable for 2,523,302 shares of Common Stock. BMA III is the sole general partner of BFIP III. Peter G. Peterson and Stephen A. Schwarzman are the founding members and managing members of BMA III. Therefore, each of BMA III, Peter G. Peterson and Stephen A. Schwarzman may be deemed to beneficially own all of the Common Stock and Warrants owned by BFIP III. (4) On March 7, 2003, the outstanding Preferred Stock held by BCP CCC, BCP CCC Offshore and BFIP III was exchanged for Warrants and Common Stock. See Amendment No. 2 to Schedule 13D filed by the reporting persons on March 11, 2003. ** Intentional misstatements or omissions Blackstone Management of facts constitute Federal Associates III L.L.C. Criminal Violations. ------------------------------------------- ---------------------- See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a). Date: March 11, 2003 Note: File three copies of this Form, one of which must be manually signed. If space provided is insufficient, see Instruction 6 for procedure. Page 3 of 5 FORM 4 (continued) JOINT FILER INFORMATION ----------------------- Title of Security: Common Stock Issuer & Ticker Symbol: Sirius Satellite Radio Inc. (SIRI) Designated Filer: Blackstone Management Associates III L.L.C. Other Joint Filers: Blackstone CCC Capital Partners L.P., Blackstone CCC Offshore Capital Partners L.P., Blackstone Family Investment Partnership III L.P., Peter G. Peterson and Stephen A. Schwarzman. Addresses: The principal business office address of each of the reporting persons above, except for Blackstone CCC Offshore Capital Partners L.P., is 345 Park Avenue, 31st Floor, New York, New York 10154. The principal business office address of Blackstone CCC Offshore Capital Partners L.P. is c/o Blackstone Services (Cayman) LDC c/o Hemisphere Management (Cayman) Ltd., Zephyr House, Mary Street, 5th Floor, Georgetown, Grand Cayman, Cayman Islands. Signatures: BLACKSTONE CCC CAPITAL PARTNERS L.P. By: Blackstone Management Associates III L.L.C., its general partner By: /s/ Chinh E. Chu _____________________________________ Name: Chinh E. Chu Title: Senior Managing Director Page 4 of 5 FORM 4 (continued) BLACKSTONE CCC OFFSHORE CAPITAL PARTNERS L.P. By: Blackstone Management Associates III L.L.C., its general partner By: /s/ Chinh E. Chu ________________________________ Name: Chinh E. Chu Title: Senior Managing Director BLACKSTONE FAMILY INVESTMENT PARTNERSHIP III L.P. By: Blackstone Management Associates III L.L.C., its general partner By: /s/ Chinh E. Chu ________________________________ Name: Chinh E. Chu Title: Senior Managing Director /s/ Peter G. Peterson ___________________________________ PETER G. PETERSON /s/ Stephen A. Schwarzman ___________________________________ STEPHEN A SCHWARZMAN Page 5 of 5