Sunoco to Participate in Investor Conference

Sunoco, Inc. (NYSE: SUN) announced today that Lynn L. Elsenhans, the company’s chairman and chief executive officer will be presenting at the Barclays Capital CEO Energy/Power Conference on Thursday, September 8, 2011 at 2:25 P.M. E.T. A webcast of the presentation and supporting materials can be accessed through Sunoco’s website, www.SunocoInc.com. An archived version will be available following the presentation.

Sunoco is a leading transportation fuel provider, with operations located primarily in the East Coast and Midwest regions of the United States. The Company sells transportation fuels through more than 4,900 branded retail locations in 24 states. APlus convenience stores are operated by the Company or independent dealers in more than 600 retail locations. The retail network in the Northeast is principally supplied by Sunoco-owned refineries with a combined crude oil processing capacity of 505,000 barrels per day. Sunoco is also the General Partner and has a 34-percent interest in Sunoco Logistics Partners L.P., a publicly traded master limited partnership which owns and operates 7,900 miles of refined product and crude oil pipelines and approximately 40 active product terminals. Sunoco has an 81-percent ownership interest in SunCoke Energy, Inc., a publicly traded company which makes high-quality metallurgical-grade coke for major steel manufacturers. SunCoke Energy has facilities in the U.S. which have the capacity to manufacture approximately 3.7 million tons of metallurgical-grade coke annually and is the operator of, and has an equity interest in, a 1.7 million tons-per-year cokemaking facility in Vitória, Brazil.