Sunoco Issues 2004 Health, Environment and Safety Report

PHILADELPHIA, May 12, 2005 -- Sunoco, Inc. (NYSE: SUN) said today that it has issued its 2004 Health, Environment and Safety (HES) Report, marking this as the thirteenth successive year that the Company has publicly reported the results of its performance. In 1993 Sunoco became the first Fortune 500 company to endorse the Ceres Principles, a 10-point code of environmental conduct that includes public reporting of environmental performance. Sunoco believes that excellence in health, environment and safety performance go hand-in-hand with operations reliability and is a leading indicator of the Company’s financial strength.

The Report provides detailed HES performance data for Sunoco’s business units and this year provides additional data and information for individual Company facilities. It includes anecdotes that highlight various Company HES activities including Sunoco’s involvement with Community Advisory Panels (CAPs), reinforces the importance of training for improving HES performance, and talks about challenges to Sunoco over the next three to five years. Features of the Web site version can be found by accessing the How to Use This Report link located at the bottom of each page.

Ceres, a unique coalition of institutional investors, environmental organizations and public interest groups, is a worldwide leader in standardized corporate environmental reporting through the Global Reporting Initiative. Over 70 corporations have now joined with Sunoco to endorse the Ceres Principles and work with Ceres to find concrete solutions to environmental challenges.

A detailed version of the 2004 HES/Ceres Report, as well as an 18-page summary, can be found on Sunoco’s Web site. www.SunocoInc.com.

Printed copies of the summary are also available by contacting Sunoco at:
Telephone: (215) 977-6847
Fax: (215) 246-8001
E-mail: HESReporting@sunocoinc.com

Sunoco, Inc., headquartered in Philadelphia, PA, is a leading manufacturer and marketer of petroleum and petrochemical products. With 900,000 barrels per day of refining capacity, approximately 4,800 retail sites selling gasoline and convenience items, over 4,300 miles of crude oil and refined product owned and operated pipelines and 38 product terminals, Sunoco is one of the largest independent refiner-marketers in the United States. Sunoco is a significant manufacturer of petrochemicals with annual sales of approximately five billion pounds, largely chemical intermediates used to make fibers, plastics, film and resins. Utilizing a unique, patented technology, Sunoco also has the capacity to manufacture over 2.5 million tons annually of high-quality metallurgical-grade coke for use in the steel industry.