This report represents Sunoco's first Corporate Responsibility Report. In addition to Health, Environment, and Safety and related activities the report addresses social, financial and political issues affecting the company during 2008. The report encompasses the facilities and operations involved in the business units described in the company profile, including wholly owned subsidiaries and where noted joint ventures that are operated by Sunoco.

Epsilon Products Company, LLC, was a joint venture between Sunoco, Inc. and BAR-L, Inc. and has been included in the annual report since 2005. On January 1, 2008 Sunoco, Inc. obtained 100% ownership of Epsilon, which is now referred to as the Marcus Hook Polymers Plant. Additionally, Sunoco Chemicals’ Neville Island Plant was sold on January 1, 2008, and is not included in this report and is not included in the historical data.

The SunCoke Energy Vitória, Brazil cokemaking plant began operation in 2007. HES data for 2008 has been included where possible.

On January 13, 2009 Sunoco announced it would be closing its Bayport Chemicals Plant by April 30, 2009. The Bayport Plant is included in this report for both stories and data, but will not be included in future reports.

This report has been compiled and presented to provide our stakeholders with information that is relevant, inclusive and complete. We define our stakeholders to include:

• Employees;
• Neighbors, including Community Advisory Panels;
• Non-governmental organizations;
• Customers, suppliers and vendors;
• Investors and asset managers;
• Shareholders and the Sunoco Board of Directors;
• Legislators and regulators; and
• Retail dealers and distributors.

This report was prepared using the Global Reporting Initiative’s (GRI) Sustainability Reporting Guidelines, Version 3 (G3). In keeping with G3, the report describes its management approach, performance and future plans with respect to the following key issues:

• Corporate Governance;
• HES Performance;
• Energy Use/Climate Change;
• Product Stewardship;
• Security/Business Continuity;
• Workforce Preparedness; and
• Community Engagement.

The GRI Application Level has been determined to be B, based on the G3 Guidelines.

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