1 EXHIBIT 24 POWER OF ATTORNEY KNOW ALL MEN BY THESE PRESENTS, that the undersigned constitutes and appoints Herbert M. Baum, Conrad A. Conrad, and Paul E. Konney, and each of them, the undersigned's true and lawful attorneys-in-fact and agents, with full power of substitution and resubstitution, for the undersigned and in the undersigned's name, place and stead, in any and all capacities, to sign the Annual Report on Form 10-K for the fiscal year ended December 31, 1995, of Quaker State Corporation and any and all amendments thereto, and to file the same with all exhibits thereto, and other documents in connection therewith, with the Securities and Exchange Commission, granting unto said attorneys-in-fact and agents, and each of them, full power and authority to do and perform each and every act and thing requisite and necessary to be done, as fully to all intents and purposes as the undersigned might or could do in person and hereby ratifying and confirming all that said attorneys-in-fact and agents or any of them or their or his substitutes may lawfully do or cause to be done by virtue hereof. March 21, 1996 /s/ Raymond A. Ross ---------------------------------------- 2 Exhibit 24 POWER OF ATTORNEY KNOW ALL MEN BY THESE PRESENTS, that the undersigned constitutes and appoints Herbert M. Baum, Conrad A. Conrad, and Paul E. Konney, and each of them, the undersigned's true and lawful attorneys-in-fact and agents, with full power of substitution and resubstitution, for the undersigned and in the undersigned's name, place and stead, in any and all capacities, to sign the Annual Report on Form 10-K for the fiscal year ended December 31, 1995, of Quaker State Corporation and any and all amendments thereto, and to file the same with all exhibits thereto, and other documents in connection therewith, with the Securities and Exchange Commission, granting unto said attorneys-in-fact and agents, and each of them, full power and authority to do and perform each and every act and thing requisite and necessary to be done, as fully to all intents and purposes as the undersigned might or could do in person and hereby ratifying and confirming all that said attorneys-in-fact and agents or any of them or their or his substitutes may lawfully do or cause to be done by virtue hereof. March 21, 1996 /s/ C. Frederick Fetterolf ---------------------------------------- 3 Exhibit 24 POWER OF ATTORNEY KNOW ALL MEN BY THESE PRESENTS, that the undersigned constitutes and appoints Herbert M. Baum, Conrad A. Conrad, and Paul E. Konney, and each of them, the undersigned's true and lawful attorneys-in-fact and agents, with full power of substitution and resubstitution, for the undersigned and in the undersigned's name, place and stead, in any and all capacities, to sign the Annual Report on Form 10-K for the fiscal year ended December 31, 1995, of Quaker State Corporation and any and all amendments thereto, and to file the same with all exhibits thereto, and other documents in connection therewith, with the Securities and Exchange Commission, granting unto said attorneys-in-fact and agents, and each of them, full power and authority to do and perform each and every act and thing requisite and necessary to be done, as fully to all intents and purposes as the undersigned might or could do in person and hereby ratifying and confirming all that said attorneys-in-fact and agents or any of them or their or his substitutes may lawfully do or cause to be done by virtue hereof. March 21, 1996 /s/ Laurel Cutler ---------------------------------------- 4 Exhibit 24 POWER OF ATTORNEY KNOW ALL MEN BY THESE PRESENTS, that the undersigned constitutes and appoints Herbert M. Baum, Conrad A. Conrad, and Paul E. Konney, and each of them, the undersigned's true and lawful attorneys-in-fact and agents, with full power of substitution and resubstitution, for the undersigned and in the undersigned's name, place and stead, in any and all capacities, to sign the Annual Report on Form 10-K for the fiscal year ended December 31, 1995, of Quaker State Corporation and any and all amendments thereto, and to file the same with all exhibits thereto, and other documents in connection therewith, with the Securities and Exchange Commission, granting unto said attorneys-in-fact and agents, and each of them, full power and authority to do and perform each and every act and thing requisite and necessary to be done, as fully to all intents and purposes as the undersigned might or could do in person and hereby ratifying and confirming all that said attorneys-in-fact and agents or any of them or their or his substitutes may lawfully do or cause to be done by virtue hereof. March 21, 1996 /s/ Thomas A. Gardner ---------------------------------------- 5 Exhibit 24 POWER OF ATTORNEY KNOW ALL MEN BY THESE PRESENTS, that the undersigned constitutes and appoints Herbert M. Baum, Conrad A. Conrad, and Paul E. Konney, and each of them, the undersigned's true and lawful attorneys-in-fact and agents, with full power of substitution and resubstitution, for the undersigned and in the undersigned's name, place and stead, in any and all capacities, to sign the Annual Report on Form 10-K for the fiscal year ended December 31, 1995, of Quaker State Corporation and any and all amendments thereto, and to file the same with all exhibits thereto, and other documents in connection therewith, with the Securities and Exchange Commission, granting unto said attorneys-in-fact and agents, and each of them, full power and authority to do and perform each and every act and thing requisite and necessary to be done, as fully to all intents and purposes as the undersigned might or could do in person and hereby ratifying and confirming all that said attorneys-in-fact and agents or any of them or their or his substitutes may lawfully do or cause to be done by virtue hereof. March 26, 1996 /s/ Delbert J. McQuaide ---------------------------------------- 6 Exhibit 24 POWER OF ATTORNEY KNOW ALL MEN BY THESE PRESENTS, that the undersigned constitutes and appoints Herbert M. Baum, Conrad A. Conrad, and Paul E. Konney, and each of them, the undersigned's true and lawful attorneys-in-fact and agents, with full power of substitution and resubstitution, for the undersigned and in the undersigned's name, place and stead, in any and all capacities, to sign the Annual Report on Form 10-K for the fiscal year ended December 31, 1995, of Quaker State Corporation and any and all amendments thereto, and to file the same with all exhibits thereto, and other documents in connection therewith, with the Securities and Exchange Commission, granting unto said attorneys-in-fact and agents, and each of them, full power and authority to do and perform each and every act and thing requisite and necessary to be done, as fully to all intents and purposes as the undersigned might or could do in person and hereby ratifying and confirming all that said attorneys-in-fact and agents or any of them or their or his substitutes may lawfully do or cause to be done by virtue hereof. March 21, 1996 /s/ Leonard M. Carroll ---------------------------------------- 7 Exhibit 24 POWER OF ATTORNEY KNOW ALL MEN BY THESE PRESENTS, that the undersigned constitutes and appoints Herbert M. Baum, Conrad A. Conrad, and Paul E. Konney, and each of them, the undersigned's true and lawful attorneys-in-fact and agents, with full power of substitution and resubstitution, for the undersigned and in the undersigned's name, place and stead, in any and all capacities, to sign the Annual Report on Form 10-K for the fiscal year ended December 31, 1995, of Quaker State Corporation and any and all amendments thereto, and to file the same with all exhibits thereto, and other documents in connection therewith, with the Securities and Exchange Commission, granting unto said attorneys-in-fact and agents, and each of them, full power and authority to do and perform each and every act and thing requisite and necessary to be done, as fully to all intents and purposes as the undersigned might or could do in person and hereby ratifying and confirming all that said attorneys-in-fact and agents or any of them or their or his substitutes may lawfully do or cause to be done by virtue hereof. March 21, 1996 /s/ L. David Myatt ---------------------------------------- 8 Exhibit 24 POWER OF ATTORNEY KNOW ALL MEN BY THESE PRESENTS, that the undersigned constitutes and appoints Herbert M. Baum, Conrad A. Conrad, and Paul E. Konney, and each of them, the undersigned's true and lawful attorneys-in-fact and agents, with full power of substitution and resubstitution, for the undersigned and in the undersigned's name, place and stead, in any and all capacities, to sign the Annual Report on Form 10-K for the fiscal year ended December 31, 1995, of Quaker State Corporation and any and all amendments thereto, and to file the same with all exhibits thereto, and other documents in connection therewith, with the Securities and Exchange Commission, granting unto said attorneys-in-fact and agents, and each of them, full power and authority to do and perform each and every act and thing requisite and necessary to be done, as fully to all intents and purposes as the undersigned might or could do in person and hereby ratifying and confirming all that said attorneys-in-fact and agents or any of them or their or his substitutes may lawfully do or cause to be done by virtue hereof. March 21, 1996 /s/ F. William Grube ---------------------------------------- 9 Exhibit 24 POWER OF ATTORNEY KNOW ALL MEN BY THESE PRESENTS, that the undersigned constitutes and appoints Herbert M. Baum, Conrad A. Conrad, and Paul E. Konney, and each of them, the undersigned's true and lawful attorneys-in-fact and agents, with full power of substitution and resubstitution, for the undersigned and in the undersigned's name, place and stead, in any and all capacities, to sign the Annual Report on Form 10-K for the fiscal year ended December 31, 1995, of Quaker State Corporation and any and all amendments thereto, and to file the same with all exhibits thereto, and other documents in connection therewith, with the Securities and Exchange Commission, granting unto said attorneys-in-fact and agents, and each of them, full power and authority to do and perform each and every act and thing requisite and necessary to be done, as fully to all intents and purposes as the undersigned might or could do in person and hereby ratifying and confirming all that said attorneys-in-fact and agents or any of them or their or his substitutes may lawfully do or cause to be done by virtue hereof. March 21, 1996 /s/ Forrest R. Haselton ---------------------------------------- 10 Exhibit 24 POWER OF ATTORNEY KNOW ALL MEN BY THESE PRESENTS, that the undersigned constitutes and appoints Herbert M. Baum, Conrad A. Conrad, and Paul E. Konney, and each of them, the undersigned's true and lawful attorneys-in-fact and agents, with full power of substitution and resubstitution, for the undersigned and in the undersigned's name, place and stead, in any and all capacities, to sign the Annual Report on Form 10-K for the fiscal year ended December 31, 1995, of Quaker State Corporation and any and all amendments thereto, and to file the same with all exhibits thereto, and other documents in connection therewith, with the Securities and Exchange Commission, granting unto said attorneys-in-fact and agents, and each of them, full power and authority to do and perform each and every act and thing requisite and necessary to be done, as fully to all intents and purposes as the undersigned might or could do in person and hereby ratifying and confirming all that said attorneys-in-fact and agents or any of them or their or his substitutes may lawfully do or cause to be done by virtue hereof. March 21, 1996 /s/ Lorne R. Waxlax ----------------------------------------