| Paul L. Foster | Executive Chairman |
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| Jeff A. Stevens | President and Chief Executive Officer |
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| Mark J. Smith | President - Refining and Marketing |
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| Gary R. Dalke | Chief Financial Officer |
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| William R. Jewell | Chief Accounting Officer |
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| Lowry Barfield | Senior Vice President - Legal, General Counsel and Secretary |
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| Jeffrey S. Beyersdorfer | Senior Vice President - Treasurer, Director of Investor Relations |
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| Scott D. Weaver | Vice President – Assistant Treasurer |
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