UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE 13D/A UNDER THE SECURITIES EXCHANGE ACT OF 1934 (AMENDMENT NO. 1) Plains Resources Inc. ------------------------------------------------------------------------------- (Name of Issuer) Common Stock, $.10 par value ------------------------------------------------------------------------------- (Title of Class of Securities) 726540 50 6 ------------------------------------------------------------------------------- (CUSIP Number) Steven J. Paul, Assistant Secretary Shell Oil Company 910 Louisiana Street Houston, Texas 77002 (713) 241-4112 ------------------------------------------------------------------------------- (Name, Address and Telephone Number of Person Authorized to Receive Notices and Communications) June 6, 2003 ------------------------------------------------------------------------------- (Date of Event which Requires Filing of This Statement) If the filing person has previously filed a statement on Schedule 13G to report the acquisition which is the subject of this Schedule 13D, and is filing this schedule because of Rule 13d-1(b)(3) or (4), check the following box [ ]. NOTE: Six copies of this statement, including all exhibits, should be filed with the Commission. See Rule 13d-1(a) for other parties to whom copies are to be sent. *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 disclosures provided in a prior cover page. The information required on 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). SCHEDULE 13D/A CUSIP NO. 726540 50 6 ------------------------------------------------------------------------------- 1 NAME OF REPORTING PERSON S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON Shell Land & Energy Company ------------------------------------------------------------------------------- 2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (a) [ ] (b) [ ] N/A ------------------------------------------------------------------------------- 3 SEC USE ONLY ------------------------------------------------------------------------------- 4 SOURCE OF FUNDS OO ------------------------------------------------------------------------------- 5 CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEMS 2(d) or 2(e) [ ] ------------------------------------------------------------------------------- 6 CITIZENSHIP OR PLACE OF ORGANIZATION Delaware ------------------------------------------------------------------------------- 7 SOLE VOTING POWER NUMBER OF -0- ---------------------------------------------------- SHARES 8 SHARED VOTING POWER BENEFICIALLY -0- OWNED BY ---------------------------------------------------- EACH 9 SOLE DISPOSITIVE POWER REPORTING -0- ---------------------------------------------------- PERSON 10 SHARED DISPOSITIVE POWER WITH -0- ------------------------------------------------------------------------------- 11 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON -0- ------------------------------------------------------------------------------- 12 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES [ ] ------------------------------------------------------------------------------- 13 PERCENT OF CLASS REPRESENTED BY AMOUN IN ROW (11) -0- ------------------------------------------------------------------------------- 14 TYPE OF REPORTING PERSON CO ------------------------------------------------------------------------------- SCHEDULE 13D/A CUSIP NO. 726540 50 6 ------------------------------------------------------------------------------- 1 NAME OF REPORTING PERSON S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON Shell Oil Company ------------------------------------------------------------------------------- 2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (a) [ ] (b) [ ] N/A ------------------------------------------------------------------------------- 3 SEC USE ONLY ------------------------------------------------------------------------------- 4 SOURCE OF FUNDS AF ------------------------------------------------------------------------------- 5 CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEMS 2(d) or 2(e) [ ] ------------------------------------------------------------------------------- 6 CITIZENSHIP OR PLACE OF ORGANIZATION Delaware ------------------------------------------------------------------------------- 7 SOLE VOTING POWER NUMBER OF -0- ---------------------------------------------------- SHARES 8 SHARED VOTING POWER BENEFICIALLY -0- OWNED BY ---------------------------------------------------- EACH 9 SOLE DISPOSITIVE POWER REPORTING -0- ---------------------------------------------------- PERSON 10 SHARED DISPOSITIVE POWER WITH -0- ------------------------------------------------------------------------------- 11 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON -0- ------------------------------------------------------------------------------- 12 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES [ ] ------------------------------------------------------------------------------- 13 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11) -0- ------------------------------------------------------------------------------- 14 TYPE OF REPORTING PERSON CO ------------------------------------------------------------------------------- ITEM 1. AMENDMENT. This amendment is being filed for the purpose of giving notice that Shell Land & Energy Company, a Delaware corporation ("SLEC") and Shell Oil Company, a Delaware corporation ("Shell") on June 6, 2003, sold 46,600 shares of Series D Cumulative Convertible Preferred Stock (the "Stock") of Plains Resources Inc. (the "Company") to the Company, for the amount of $23,300,000, plus $253,483.52 representing the pro-rated portion of the current accrued but unpaid dividend which represents 46,600 shares at $500.00 per share which is the face value of the Stock. Additionally, on May 20, 2002, SLEC and Shell sold a Warrant to purchase 150,000 shares of Common Stock of Plains Resources Inc., a Delaware corporation, to Kayne Anderson Energy Fund II L.P., a Delaware limited liability company, for the amount of $404,805. As a result of these transactions, SLEC and Shell no longer own any beneficial ownership interest in any equity security of the Company. SIGNATURE After reasonable inquiry and to the best knowledge and belief of the undersigned, the undersigned certify that the information set forth in this statement is true, complete and correct. June 10, 2003. SHELL LAND & ENERGY COMPANY By: /S/ Steve J. Paul Name: Steve J . Paul Title: Secretary SHELL OIL COMPANY By: /S/ Steve J. Paul Name: Steve J. Paul Title: Assistant Secretary DIRECTORS AND EXECUTIVE OFFICERS SHELL LAND & ENERGY COMPANY NAME AND BUSINESS ADDRESS CITIZENSHIP POSITION J. R. Eagan U.S.A. Director 200 N. Dairy Ashford Chairman Houston, Texas 77479 President J. R. Crossman U.S.A. Director 200 N. Dairy Ashford Treasurer Houston, Texas 77479 W. T. Mooney U.S.A. Director 910 Louisiana Street Vice-President Houston, Texas 77002 S. J. Paul U.S.A. Secretary 910 Louisiana Street Houston, Texas 77002 Kenetta D. Joseph U.S.A. Asst. Secretary 910 Louisiana Street Houston, Texas 77002 DIRECTORS AND EXECUTIVE OFFICERS SHELL OIL COMPANY NAME AND BUSINESS ADDRESS CITIZENSHIP POSITION Robert F. Daniell U.S.A. Director 910 Louisiana Street Houston, Texas 77002 M. F. Keeth U.S.A. Director 910 Louisiana Street Houston, Texas 77002 Vilma S. Martinez U.S.A. Director 910 Louisiana Street Houston, Texas 77002 A. Y. Noojin, III U.S.A. Director 910 Louisiana Street Houston, Texas 77002 R. M. Restucci U.S.A. Director 910 Louisiana Street Houston, Texas 77002 R. J. Routs U.S.A. Director 910 Louisiana Street President Houston, Texas 77002 General Gordon R. Sullivan U.S.A. Director 910 Louisiana Street Houston, Texas 77002 Philip B. Watts U.S.A. Director 910 Louisiana Street Chairman Houston, Texas 77002 R. J. Decyk U.S.A. Sr. Vice President 910 Louisiana Street Houston, Texas 77002 P. M. Dreckman U.S.A. Vice President 910 Louisiana Street General Tax Counsel Houston, Texas 77002 J. R. Eagan U.S.A. Vice President 910 Louisiana Street CFO Houston, Texas 77002 C. A. Lamboley U.S.A. Sr. Vice President 910 Louisiana Street General Counsel Houston, Texas 77002 Corp. Secretary S. E. Ward U.S.A. Vice President 910 Louisana Street Houston, Texas 77002 G. R. Hullinger U.S.A. Controller 910 Louisana Street Treasurer Houston, Texas 77002 W. G. Hougland U.S.A. Asst. Secretary 910 Louisiana Street Houston, Texas 77002 K. D. Joseph U.S.A. Asst. Secretary 910 Louisiana Street Houston, Texas 77002 S. J. Paul U.S.A. Asst. Secretary 910 Louisiana Street Houston, Texas 77002 E. C. Deal U.S.A. Asst. Controller 910 Louisiana Street Houston, Texas 77002 A. M. Nolte U.S.A. Asst. Treasurer 910 Louisiana Street Houston, Texas 77002 C. K. Potter U.S.A. Asst. Treasurer 910 Louisiana Street Houston, Texas 77002 INDEX TO EXHIBITS Exhibit 1 - Stock Purchase Agreement