 John W. Gibson Chairman, President and Chief Executive Officer
|  Terry K. Spencer Chief Operating Officer |  Curtis L. Dinan Executive Vice President, Chief Financial Officer and Treasurer |
 John R. Barker Executive Vice President, General Counsel and Secretary
|  Derek S. Reiners Senior Vice President and Chief Accounting Officer |  Caron A. Lawhorn Senior Vice President, Corporate Planning and Development |
 Robert S. Mareburger President, Natural Gas
|  Sheridan C. Swords President, Natural Gas Liquids | |