EXHIBIT 16 March 7, 1996 Office of the Chief Accountant Securities and Exchange Commission Mail Stop 9-5 450 Fifth Street, N.W. Washington, D.C. 20549 Dear Sir: We have read Item 9 included in the Sun Company, Inc. Annual Report on Form 10-K for the fiscal year ended December 31, 1995 filed with the Securities and Exchange Commission on March 7, 1996 and are in agreement with the statements contained in paragraph (b) and those contained in paragraph (a) which pertain to Coopers & Lybrand L.L.P. Very truly yours, s/ COOPERS & LYBRAND L.L.P. - --------------------------- Coopers & Lybrand L.L.P.