1 SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K/A AMENDMENT TO APPLICATION OR REPORT Filed Pursuant to Section 12, 13, or 15(d) of the SECURITIES EXCHANGE ACT OF 1934 SUN COMPANY, INC. -------------------------------------------------- (Exact name of registrant as specified in charter) AMENDMENT NO. 3 The undersigned registrant hereby amends the following items of its Annual Report on Form 10-K for the fiscal year ended December 31, 1992 as set forth in the pages attached hereto: Part I. Items 1 and 2. Business and Properties Part II. Item 7. Management's Discussion and Analysis of Financial Condition and Results of Operations Part II. Item 8. Financial Statements and Supplementary Data Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this amendment to be signed on its behalf by the undersigned, thereunto duly authorized. SUN COMPANY, INC. BY s/Richard L. Cartlidge Richard L. Cartlidge Comptroller (Principal Accounting Officer) DATE January 14, 1994 2 In connection with a staff review of the Company's Annual Report on Form 10-K, as amended, for the fiscal year ended December 31, 1992 ("1992 Form 10-K") filed by the Company with the Securities and Exchange Commission ("Commission") on March 11, 1993, the Commission advised the Company to delete from its disclosures concerning certain additional oil sands leases acquired during 1992 by Suncor Inc., the Company's 55 percent owned Canadian subsidiary, all references indicating that such leases contain enough recoverable bitumen to produce approximately one billion barrels of synthetic crude oil. In accordance therewith, all such references are hereby deleted and the affected sections of the Company's 1992 Form 10-K are restated as follows: PART I ITEMS 1 AND 2. BUSINESS AND PROPERTIES GENERAL Substitute the following for the information in the last bullet as originally filed under the caption "General": -- Suncor has acquired new oil sands leases in Canada and will convert from the current "bucketwheel" method of mining oil sands in Canada to a more flexible and efficient truck-and-shovel method, beginning in the fourth quarter of 1993. CANADA (SUNCOR) OIL SANDS Substitute the following paragraph for the sixth paragraph as originally filed under the caption "Oil Sands": Suncor's current operations are carried out on two leases covering a total of approximately six thousand acres. As of December 31, 1992, these leases had remaining reserves of 256 million barrels of proven synthetic crude oil. In 1992, Suncor acquired two additional oil sands leases, located directly south of Suncor's present lease, one on each side of the Athabasca River. Development of these leases is subject to government approval and the confirmation that production is commercially viable. 3 PART II ITEM 7. MANAGEMENT'S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS OF OPERATIONS STRATEGIC PLAN Substitute the following for the information in the last bullet as originally filed under the caption "Strategic Plan": -- Suncor has acquired new oil sands leases in Canada and will convert from the current "bucketwheel" method of mining oil sands in Canada to a more flexible and efficient truck-and-shovel method beginning in the fourth quarter of 1993. CANADA (SUNCOR) Substitute the following two sentences for the last two sentences of the ninth paragraph as originally filed under the caption "Canada (Suncor)": During 1992, Suncor also acquired new oil sands leases adjacent to the current leases. Development of these leases is subject to government approval and the confirmation that production is commercially viable. ITEM 8. FINANCIAL STATEMENTS AND SUPPLEMENTARY DATA SUPPLEMENTAL FINANCIAL AND OPERATING INFORMATION (UNAUDITED) MINING DATA Delete in its entirety the second footnote to the Oil Sands (Canada) table.