1 ================================================================================ UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 13, 1998 TESORO PETROLEUM CORPORATION (Exact name of registrant as specified in its charter) DELAWARE 1-3473 95-0862768 (State or other jurisdiction of (Commission (I.R.S. Employer incorporation) File Number) Identification No.) 8700 TESORO DRIVE, SAN ANTONIO, TEXAS 78217-6218 (Address of principal executive offices) (Zip Code) Registrant's telephone number, including area code: 210-828-8484 ================================================================================ 2 ITEM 5. OTHER EVENTS As previously reported, on March 18, 1998, Tesoro Petroleum Corporation ("Tesoro", the "Company" or the "Registrant") entered into a stock sale agreement ("Hawaii Stock Sale Agreement") to purchase (the "Hawaii Acquisition") all of the outstanding stock of two subsidiaries of The Broken Hill Proprietary Company Limited ("BHP") (together, "BHP Hawaii"). BHP Hawaii owns and operates a 95,000-barrel per day refinery in Kapolei, Hawaii, on the island of Oahu, approximately 20 miles west of Honolulu, and 32 retail gasoline stations on the islands of Oahu, Maui and Hawaii. The cash purchase price for the Hawaii Acquisition is currently estimated to be approximately $275 million. The cash purchase price will be adjusted after closing for the amount by which the working capital of BHP Hawaii differs from $100 million at the closing date. In addition, Tesoro will issue an unsecured, non-interest bearing promissory note (the "BHP Note") in the amount of $50 million, payable in five equal annual installments of $10 million each, beginning on the eleventh anniversary date of the closing. The BHP Note provides for earlier payment based on the financial performance of BHP Hawaii. The Hawaii Acquisition is scheduled to close on May 29, 1998. ITEM 7. FINANCIAL STATEMENTS, PRO FORMA FINANCIAL INFORMATION AND EXHIBITS (a) FINANCIAL STATEMENTS OF BUSINESS ACQUIRED. Included as Exhibit 99.1 to this Form 8-K are the audited combined balance sheets of BHP Petroleum Americas Refining Inc. and BHP Petroleum South Pacific Inc. as of May 31, 1997 and 1996 and the related combined statements of operations, stockholders' equity and cash flows for each of the three years in the period ended May 31, 1997. Included as Exhibit 99.2 to this Form 8-K are the unaudited combined balance sheets of BHP Petroleum Americas Refining Inc. and BHP Petroleum South Pacific Inc. as of December 31, 1997 and 1996 and the related combined statements of operations and cash flows for the seven months then ended. (b) PRO FORMA FINANCIAL INFORMATION. Included as Exhibit 99.3 of this Form 8-K is the unaudited pro forma combined condensed financial statements of the Company and BHP Petroleum Americas Refining Inc. and BHP Petroleum South Pacific Inc. as of and for the year ended December 31, 1997. (c) EXHIBITS *2.1 Stock Sale Agreement, dated March 18, 1998, among the Company, BHP Hawaii Inc. and BHP Petroleum Pacific Islands Inc. +23.1 Consent of Arthur Andersen LLP. +99.1 Audited Combined Financial Statements of BHP Petroleum Americas Refining Inc. and BHP Petroleum South Pacific Inc. as of May 31, 1997 and 1996. +99.2 Unaudited Combined Financial Statements of BHP Petroleum Americas Refining Inc. and BHP Petroleum South Pacific Inc. as of December 31, 1997 and 1996. +99.3 Pro Forma Combined Condensed Financial Statements of the Company and BHP Petroleum Americas Refining Inc. and BHP Petroleum South Pacific Inc. as of and for the year ended December 31, 1997. - --------------------------- * Previously filed. + Filed herewith. 2 3 SIGNATURES Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized. TESORO PETROLEUM CORPORATION REGISTRANT Date: May 13, 1998 By: /s/ BRUCE A. SMITH ----------------------------------- Bruce A. Smith Chairman of the Board of Directors, President and Chief Executive Officer 3 4 EXHIBIT INDEX EXHIBIT DESCRIPTION - ------- ----------- *2.1 Stock Sale Agreement, dated March 18, 1998, among the Company, BHP Hawaii Inc. and BHP Petroleum Pacific Islands Inc. +23.1 Consent of Arthur Andersen LLP. +99.1 Audited Combined Financial Statements of BHP Petroleum Americas Refining Inc. and BHP Petroleum South Pacific Inc. as of May 31, 1997 and 1996. +99.2 Unaudited Combined Financial Statements of BHP Petroleum Americas Refining Inc. and BHP Petroleum South Pacific Inc. as of December 31, 1997 and 1996. +99.3 Pro Forma Combined Condensed Financial Statements of the Company and BHP Petroleum Americas Refining Inc. and BHP Petroleum South Pacific Inc. as of and for the year ended December 31, 1997. - --------------------------- * Previously filed. + Filed herewith. 4