4 1 h88668e4.txt MPAC ENERGY, LLC FOR AROC INC. 1 ------ -------------------------- FORM 4 OMB APPROVAL ------ -------------------------- [ ] CHECK THIS BOX IF NO OMB Number: 3235-0287 LONGER SUBJECT TO Expires: December 31, 2001 SECTION 16. FORM 4 Estimated average burden OR FORM 5 OBLIGATIONS hours per response.... 0.5 MAY CONTINUE. SEE -------------------------- INSTRUCTION 1(b). UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 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 (Print or Type Responses) ------------------------------------------------------------------------------------------------------------------------------------ 1. Name and Address of Reporting Person* 2. Issuer Name and Ticker or Trading Symbol 6. Relationship of Reporting Person(s) MPAC Energy, LLC AROC Inc. (AROI) to Issuer (Check all applicable) --------------------------------------------- ---------------------------------------------- Director X Owner (Last) (First) (Middle) 3. IRS Identification 4. Statement for ---- --- Number of Reporting Month/Year Officer (give Other (Specify 1100 Louisiana, Suite 3150 Person, if an entity June/2001 ---- title --- below) --------------------------------------------- (voluntary) ------------------- below) (Street) 5. If Amendment, Houston, Texas 77002 Date of Original --------------------------------------------- -------------------- (Month/Year) -------------------------------- (City) (State) (Zip) 7. Individual or Joint/Group Filing ------------- (Check Applicable Line) X Form filed by One Reporting --- Person Form filed by More than One --- Reporting Person ------------------------------------------------------------------------------------------------------------------------------------ TABLE I -- NON-DERIVATIVE SECURITIES ACQUIRED, DISPOSED OF, OR BENEFICIALLY OWNED ------------------------------------------------------------------------------------------------------------------------------------ 1. Title of Security 2. Trans- 3. Transac- 4. Securities Acquired (A) 5. Amount of Se- 6. Owner- 7. Nature (Instr. 3) action tion or Disposed of (D) curities Benefi- ship of In- Date Code (Instr. 3, 4 and 5) cially Owned at Form: direct (Instr. 8) End of Month Direct Benefi- (Month/ (Instr. 3 and 4) (D) or cial Day/ ------------------------------------ Indirect Owner- Year) Code V Amount (A) or Price (I) ship (D) (Instr. 4) (Instr. 4) ------------------------------------------------------------------------------------------------------------------------------------ Common Stock 04/30/01 J(1) 1,500,000 A see note (2) 17,045,454 D ------------------------------------------------------------------------------------------------------------------------------------ ------------------------------------------------------------------------------------------------------------------------------------ ------------------------------------------------------------------------------------------------------------------------------------ ------------------------------------------------------------------------------------------------------------------------------------ ------------------------------------------------------------------------------------------------------------------------------------ ------------------------------------------------------------------------------------------------------------------------------------ ------------------------------------------------------------------------------------------------------------------------------------ ------------------------------------------------------------------------------------------------------------------------------------ ------------------------------------------------------------------------------------------------------------------------------------ ------------------------------------------------------------------------------------------------------------------------------------ (1) The securities were contributed by Bank of America, N.A. ("BOA") to the capital of MPAC in exchange for a membership interest in MPAC. (2) MPAC issued BOA a membership interest in MPAC that was equivalent to BOA's pro-rata share of the value of all of Issuer's securities that have been contributed by all members to the capital of MPAC. Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly. (Over) * If the form is filed by more than one person, see Instruction 4(b)(v). SEC 1474 (3-99)

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