1 EXHIBIT 24 AMOCO CORPORATION POWER OF ATTORNEY KNOW ALL PEOPLE BY THESE PRESENTS, that the undersigned constitutes and appoints H. L. Fuller, W. G. Lowrie and J. L. Carl, and each of them, his or her true and lawful attorney-in-fact and agent, with full power of substitution and resubstitution, for him or her and in his or her name, place and stead, in any and all capacities, to sign any and all Amoco Corporation registration statements and amendments thereto (including post-effective amendments) relating to issuance or guarantee of an aggregate of up to U.S. $300,000,000 in principal amount of debt securities, and to file the same, with all exhibits thereto, and other documents in connection therewith, with the Securities and Exchange Commission, granting unto said attorney-in-fact and agent, full power and authority to do and perform each and every act and thing requisite and necessary to be done in and about the premises, as fully to all intents and purposes as he or she might or could do in person, hereby ratifying and confirming all that said attorney-in-fact and agent, or his or her substitute or substitutes, may lawfully do or cause to be done by virtue hereof. IN WITNESS WHEREOF, the undersigned has executed this power of attorney on the 23rd day of September, 1997. /s/ H. L. Fuller ---------------- H. L. Fuller 2 AMOCO CORPORATION POWER OF ATTORNEY KNOW ALL PEOPLE BY THESE PRESENTS, that the undersigned constitutes and appoints H. L. Fuller, W. G. Lowrie and J. L. Carl, and each of them, his or her true and lawful attorney-in-fact and agent, with full power of substitution and resubstitution, for him or her and in his or her name, place and stead, in any and all capacities, to sign any and all Amoco Corporation registration statements and amendments thereto (including post-effective amendments) relating to issuance or guarantee of an aggregate of up to U.S. $300,000,000 in principal amount of debt securities, and to file the same, with all exhibits thereto, and other documents in connection therewith, with the Securities and Exchange Commission, granting unto said attorney-in-fact and agent, full power and authority to do and perform each and every act and thing requisite and necessary to be done in and about the premises, as fully to all intents and purposes as he or she might or could do in person, hereby ratifying and confirming all that said attorney-in-fact and agent, or his or her substitute or substitutes, may lawfully do or cause to be done by virtue hereof. IN WITNESS WHEREOF, the undersigned has executed this power of attorney on the 23rd day of September, 1997. /s/ W. G. Lowrie ---------------- W. G. Lowrie 3 AMOCO CORPORATION POWER OF ATTORNEY KNOW ALL PEOPLE BY THESE PRESENTS, that the undersigned constitutes and appoints H. L. Fuller, W. G. Lowrie and J. L. Carl, and each of them, his or her true and lawful attorney-in-fact and agent, with full power of substitution and resubstitution, for him or her and in his or her name, place and stead, in any and all capacities, to sign any and all Amoco Corporation registration statements and amendments thereto (including post-effective amendments) relating to issuance or guarantee of an aggregate of up to U.S. $300,000,000 in principal amount of debt securities, and to file the same, with all exhibits thereto, and other documents in connection therewith, with the Securities and Exchange Commission, granting unto said attorney-in-fact and agent, full power and authority to do and perform each and every act and thing requisite and necessary to be done in and about the premises, as fully to all intents and purposes as he or she might or could do in person, hereby ratifying and confirming all that said attorney-in-fact and agent, or his or her substitute or substitutes, may lawfully do or cause to be done by virtue hereof. IN WITNESS WHEREOF, the undersigned has executed this power of attorney on the 23rd day of September, 1997. /s/ J. L. Carl -------------- J. L. Carl 4 AMOCO CORPORATION POWER OF ATTORNEY KNOW ALL PEOPLE BY THESE PRESENTS, that the undersigned constitutes and appoints H. L. Fuller, W. G. Lowrie and J. L. Carl, and each of them, his or her true and lawful attorney-in-fact and agent, with full power of substitution and resubstitution, for him or her and in his or her name, place and stead, in any and all capacities, to sign any and all Amoco Corporation registration statements and amendments thereto (including post-effective amendments) relating to issuance or guarantee of an aggregate of up to U.S. $300,000,000 in principal amount of debt securities, and to file the same, with all exhibits thereto, and other documents in connection therewith, with the Securities and Exchange Commission, granting unto said attorney-in-fact and agent, full power and authority to do and perform each and every act and thing requisite and necessary to be done in and about the premises, as fully to all intents and purposes as he or she might or could do in person, hereby ratifying and confirming all that said attorney-in-fact and agent, or his or her substitute or substitutes, may lawfully do or cause to be done by virtue hereof. IN WITNESS WHEREOF, the undersigned has executed this power of attorney on the 23rd day of September, 1997. /s/ Judith G. Boynton --------------------- Judith G. Boynton 5 AMOCO CORPORATION POWER OF ATTORNEY KNOW ALL PEOPLE BY THESE PRESENTS, that the undersigned constitutes and appoints H. L. Fuller, W. G. Lowrie and J. L. Carl, and each of them, his or her true and lawful attorney-in-fact and agent, with full power of substitution and resubstitution, for him or her and in his or her name, place and stead, in any and all capacities, to sign any and all Amoco Corporation registration statements and amendments thereto (including post-effective amendments) relating to issuance or guarantee of an aggregate of up to U.S. $300,000,000 in principal amount of debt securities, and to file the same, with all exhibits thereto, and other documents in connection therewith, with the Securities and Exchange Commission, granting unto said attorney-in-fact and agent, full power and authority to do and perform each and every act and thing requisite and necessary to be done in and about the premises, as fully to all intents and purposes as he or she might or could do in person, hereby ratifying and confirming all that said attorney-in-fact and agent, or his or her substitute or substitutes, may lawfully do or cause to be done by virtue hereof. IN WITNESS WHEREOF, the undersigned has executed this power of attorney on the 23rd day of September, 1997. /s/ D. R. Beall --------------- D. R. Beall 6 AMOCO CORPORATION POWER OF ATTORNEY KNOW ALL PEOPLE BY THESE PRESENTS, that the undersigned constitutes and appoints H. L. Fuller, W. G. Lowrie and J. L. Carl, and each of them, his or her true and lawful attorney-in-fact and agent, with full power of substitution and resubstitution, for him or her and in his or her name, place and stead, in any and all capacities, to sign any and all Amoco Corporation registration statements and amendments thereto (including post-effective amendments) relating to issuance or guarantee of an aggregate of up to U.S. $300,000,000 in principal amount of debt securities, and to file the same, with all exhibits thereto, and other documents in connection therewith, with the Securities and Exchange Commission, granting unto said attorney-in-fact and agent, full power and authority to do and perform each and every act and thing requisite and necessary to be done in and about the premises, as fully to all intents and purposes as he or she might or could do in person, hereby ratifying and confirming all that said attorney-in-fact and agent, or his or her substitute or substitutes, may lawfully do or cause to be done by virtue hereof. IN WITNESS WHEREOF, the undersigned has executed this power of attorney on the 23rd day of September, 1997. /s/ Ruth Block -------------- Ruth Block 7 AMOCO CORPORATION POWER OF ATTORNEY KNOW ALL PEOPLE BY THESE PRESENTS, that the undersigned constitutes and appoints H. L. Fuller, W. G. Lowrie and J. L. Carl, and each of them, his or her true and lawful attorney-in-fact and agent, with full power of substitution and resubstitution, for him or her and in his or her name, place and stead, in any and all capacities, to sign any and all Amoco Corporation registration statements and amendments thereto (including post-effective amendments) relating to issuance or guarantee of an aggregate of up to U.S. $300,000,000 in principal amount of debt securities, and to file the same, with all exhibits thereto, and other documents in connection therewith, with the Securities and Exchange Commission, granting unto said attorney-in-fact and agent, full power and authority to do and perform each and every act and thing requisite and necessary to be done in and about the premises, as fully to all intents and purposes as he or she might or could do in person, hereby ratifying and confirming all that said attorney-in-fact and agent, or his or her substitute or substitutes, may lawfully do or cause to be done by virtue hereof. IN WITNESS WHEREOF, the undersigned has executed this power of attorney on the 23rd day of September, 1997. /s/ J. H. Bryan --------------- J. H. Bryan 8 AMOCO CORPORATION POWER OF ATTORNEY KNOW ALL PEOPLE BY THESE PRESENTS, that the undersigned constitutes and appoints H. L. Fuller, W. G. Lowrie and J. L. Carl, and each of them, his or her true and lawful attorney-in-fact and agent, with full power of substitution and resubstitution, for him or her and in his or her name, place and stead, in any and all capacities, to sign any and all Amoco Corporation registration statements and amendments thereto (including post-effective amendments) relating to issuance or guarantee of an aggregate of up to U.S. $300,000,000 in principal amount of debt securities, and to file the same, with all exhibits thereto, and other documents in connection therewith, with the Securities and Exchange Commission, granting unto said attorney-in-fact and agent, full power and authority to do and perform each and every act and thing requisite and necessary to be done in and about the premises, as fully to all intents and purposes as he or she might or could do in person, hereby ratifying and confirming all that said attorney-in-fact and agent, or his or her substitute or substitutes, may lawfully do or cause to be done by virtue hereof. IN WITNESS WHEREOF, the undersigned has executed this power of attorney on the 23rd day of September, 1997. /s/ E. B. Davis, Jr. -------------------- E. B. Davis, Jr. 9 AMOCO CORPORATION POWER OF ATTORNEY KNOW ALL PEOPLE BY THESE PRESENTS, that the undersigned constitutes and appoints H. L. Fuller, W. G. Lowrie and J. L. Carl, and each of them, his or her true and lawful attorney-in-fact and agent, with full power of substitution and resubstitution, for him or her and in his or her name, place and stead, in any and all capacities, to sign any and all Amoco Corporation registration statements and amendments thereto (including post-effective amendments) relating to issuance or guarantee of an aggregate of up to U.S. $300,000,000 in principal amount of debt securities, and to file the same, with all exhibits thereto, and other documents in connection therewith, with the Securities and Exchange Commission, granting unto said attorney-in-fact and agent, full power and authority to do and perform each and every act and thing requisite and necessary to be done in and about the premises, as fully to all intents and purposes as he or she might or could do in person, hereby ratifying and confirming all that said attorney-in-fact and agent, or his or her substitute or substitutes, may lawfully do or cause to be done by virtue hereof. IN WITNESS WHEREOF, the undersigned has executed this power of attorney on the 23rd day of September, 1997. /s/ Richard Ferris ------------------ Richard Ferris 10 AMOCO CORPORATION POWER OF ATTORNEY KNOW ALL PEOPLE BY THESE PRESENTS, that the undersigned constitutes and appoints H. L. Fuller, W. G. Lowrie and J. L. Carl, and each of them, his or her true and lawful attorney-in-fact and agent, with full power of substitution and resubstitution, for him or her and in his or her name, place and stead, in any and all capacities, to sign any and all Amoco Corporation registration statements and amendments thereto (including post-effective amendments) relating to issuance or guarantee of an aggregate of up to U.S. $300,000,000 in principal amount of debt securities, and to file the same, with all exhibits thereto, and other documents in connection therewith, with the Securities and Exchange Commission, granting unto said attorney-in-fact and agent, full power and authority to do and perform each and every act and thing requisite and necessary to be done in and about the premises, as fully to all intents and purposes as he or she might or could do in person, hereby ratifying and confirming all that said attorney-in-fact and agent, or his or her substitute or substitutes, may lawfully do or cause to be done by virtue hereof. IN WITNESS WHEREOF, the undersigned has executed this power of attorney on the 23rd day of September, 1997. /s/ F. A. Maljers ----------------- F. A. Maljers 11 AMOCO CORPORATION POWER OF ATTORNEY KNOW ALL PEOPLE BY THESE PRESENTS, that the undersigned constitutes and appoints H. L. Fuller, W. G. Lowrie and J. L. Carl, and each of them, his or her true and lawful attorney-in-fact and agent, with full power of substitution and resubstitution, for him or her and in his or her name, place and stead, in any and all capacities, to sign any and all Amoco Corporation registration statements and amendments thereto (including post-effective amendments) relating to issuance or guarantee of an aggregate of up to U.S. $300,000,000 in principal amount of debt securities, and to file the same, with all exhibits thereto, and other documents in connection therewith, with the Securities and Exchange Commission, granting unto said attorney-in-fact and agent, full power and authority to do and perform each and every act and thing requisite and necessary to be done in and about the premises, as fully to all intents and purposes as he or she might or could do in person, hereby ratifying and confirming all that said attorney-in-fact and agent, or his or her substitute or substitutes, may lawfully do or cause to be done by virtue hereof. IN WITNESS WHEREOF, the undersigned has executed this power of attorney on the 23rd day of September, 1997. /s/ A. C. Martinez ------------------ A. C. Martinez 12 AMOCO CORPORATION POWER OF ATTORNEY KNOW ALL PEOPLE BY THESE PRESENTS, that the undersigned constitutes and appoints H. L. Fuller, W. G. Lowrie and J. L. Carl, and each of them, his or her true and lawful attorney-in-fact and agent, with full power of substitution and resubstitution, for him or her and in his or her name, place and stead, in any and all capacities, to sign any and all Amoco Corporation registration statements and amendments thereto (including post-effective amendments) relating to issuance or guarantee of an aggregate of up to U.S. $300,000,000 in principal amount of debt securities, and to file the same, with all exhibits thereto, and other documents in connection therewith, with the Securities and Exchange Commission, granting unto said attorney-in-fact and agent, full power and authority to do and perform each and every act and thing requisite and necessary to be done in and about the premises, as fully to all intents and purposes as he or she might or could do in person, hereby ratifying and confirming all that said attorney-in-fact and agent, or his or her substitute or substitutes, may lawfully do or cause to be done by virtue hereof. IN WITNESS WHEREOF, the undersigned has executed this power of attorney on the 23rd day of September, 1997. /s/ W. E. Massey ---------------- W. E. Massey 13 AMOCO CORPORATION POWER OF ATTORNEY KNOW ALL PEOPLE BY THESE PRESENTS, that the undersigned constitutes and appoints H. L. Fuller, W. G. Lowrie and J. L. Carl, and each of them, his or her true and lawful attorney-in-fact and agent, with full power of substitution and resubstitution, for him or her and in his or her name, place and stead, in any and all capacities, to sign any and all Amoco Corporation registration statements and amendments thereto (including post-effective amendments) relating to issuance or guarantee of an aggregate of up to U.S. $300,000,000 in principal amount of debt securities, and to file the same, with all exhibits thereto, and other documents in connection therewith, with the Securities and Exchange Commission, granting unto said attorney-in-fact and agent, full power and authority to do and perform each and every act and thing requisite and necessary to be done in and about the premises, as fully to all intents and purposes as he or she might or could do in person, hereby ratifying and confirming all that said attorney-in-fact and agent, or his or her substitute or substitutes, may lawfully do or cause to be done by virtue hereof. IN WITNESS WHEREOF, the undersigned has executed this power of attorney on the 23rd day of September, 1997. /s/ Martha R. Seger ------------------- Martha R. Seger 14 AMOCO CORPORATION POWER OF ATTORNEY KNOW ALL PEOPLE BY THESE PRESENTS, that the undersigned constitutes and appoints H. L. Fuller, W. G. Lowrie and J. L. Carl, and each of them, his or her true and lawful attorney-in-fact and agent, with full power of substitution and resubstitution, for him or her and in his or her name, place and stead, in any and all capacities, to sign any and all Amoco Corporation registration statements and amendments thereto (including post-effective amendments) relating to issuance or guarantee of an aggregate of up to U.S. $300,000,000 in principal amount of debt securities, and to file the same, with all exhibits thereto, and other documents in connection therewith, with the Securities and Exchange Commission, granting unto said attorney-in-fact and agent, full power and authority to do and perform each and every act and thing requisite and necessary to be done in and about the premises, as fully to all intents and purposes as he or she might or could do in person, hereby ratifying and confirming all that said attorney-in-fact and agent, or his or her substitute or substitutes, may lawfully do or cause to be done by virtue hereof. IN WITNESS WHEREOF, the undersigned has executed this power of attorney on the 23rd day of September, 1997. /s/ T. M. Solso --------------- T. M. Solso 15 AMOCO CORPORATION POWER OF ATTORNEY KNOW ALL PEOPLE BY THESE PRESENTS, that the undersigned constitutes and appoints H. L. Fuller, W. G. Lowrie and J. L. Carl, and each of them, his or her true and lawful attorney-in-fact and agent, with full power of substitution and resubstitution, for him or her and in his or her name, place and stead, in any and all capacities, to sign any and all Amoco Corporation registration statements and amendments thereto (including post-effective amendments) relating to issuance or guarantee of an aggregate of up to U.S. $300,000,000 in principal amount of debt securities, and to file the same, with all exhibits thereto, and other documents in connection therewith, with the Securities and Exchange Commission, granting unto said attorney-in-fact and agent, full power and authority to do and perform each and every act and thing requisite and necessary to be done in and about the premises, as fully to all intents and purposes as he or she might or could do in person, hereby ratifying and confirming all that said attorney-in-fact and agent, or his or her substitute or substitutes, may lawfully do or cause to be done by virtue hereof. IN WITNESS WHEREOF, the undersigned has executed this power of attorney on the 23rd day of September, 1997. /s/ Michael Wilson ------------------ Michael Wilson 16 AMOCO COMPANY POWER OF ATTORNEY KNOW ALL PEOPLE BY THESE PRESENTS, that the undersigned constitutes and appoints J. L. Carl, W. R. Hutchinson and D. B. Pinkert, and each of them, his or her true and lawful attorney-in-fact and agent, with full power of substitution and resubstitution, for him or her and in his or her name, place and stead, in any and all capacities, to sign any and all Amoco Company registration statements and amendments thereto (including post-effective amendments) relating to issuance or guarantee of an aggregate of up to $300,000,000 in principal amount of debt securities, and to file the same, with all exhibits thereto, and other documents in connection therewith, with the Securities and Exchange Commission, granting unto said attorney-in-fact and agent, full power and authority to do and perform each and every act and thing requisite and necessary to be done in and about the premises, as fully to all intents and purposes as he or she might or could do in person, hereby ratifying and confirming all that said attorney-in-fact and agent, or his or her substitute or substitutes, may lawfully do or cause to be done by virtue hereof. IN WITNESS WHEREOF, the undersigned has executed this power of attorney on the 23rd day of September, 1997. /s/ J. L. Carl --------------------------- Name: J. L. Carl --------------------------- 17 AMOCO COMPANY POWER OF ATTORNEY KNOW ALL PEOPLE BY THESE PRESENTS, that the undersigned constitutes and appoints J. L. Carl, W. R. Hutchinson and D. B. Pinkert, and each of them, his or her true and lawful attorney-in-fact and agent, with full power of substitution and resubstitution, for him or her and in his or her name, place and stead, in any and all capacities, to sign any and all Amoco Company registration statements and amendments thereto (including post-effective amendments) relating to issuance or guarantee of an aggregate of up to $300,000,000 in principal amount of debt securities, and to file the same, with all exhibits thereto, and other documents in connection therewith, with the Securities and Exchange Commission, granting unto said attorney-in-fact and agent, full power and authority to do and perform each and every act and thing requisite and necessary to be done in and about the premises, as fully to all intents and purposes as he or she might or could do in person, hereby ratifying and confirming all that said attorney-in-fact and agent, or his or her substitute or substitutes, may lawfully do or cause to be done by virtue hereof. IN WITNESS WHEREOF, the undersigned has executed this power of attorney on the 23rd day of September, 1997. /s/ W. R. Hutchinson ------------------------ Name: W. R. Hutchinson --------------------------- 18 AMOCO COMPANY POWER OF ATTORNEY KNOW ALL PEOPLE BY THESE PRESENTS, that the undersigned constitutes and appoints J. L. Carl, W. R. Hutchinson and D. B. Pinkert, and each of them, his or her true and lawful attorney-in-fact and agent, with full power of substitution and resubstitution, for him or her and in his or her name, place and stead, in any and all capacities, to sign any and all Amoco Company registration statements and amendments thereto (including post-effective amendments) relating to issuance or guarantee of an aggregate of up to $300,000,000 in principal amount of debt securities, and to file the same, with all exhibits thereto, and other documents in connection therewith, with the Securities and Exchange Commission, granting unto said attorney-in-fact and agent, full power and authority to do and perform each and every act and thing requisite and necessary to be done in and about the premises, as fully to all intents and purposes as he or she might or could do in person, hereby ratifying and confirming all that said attorney-in-fact and agent, or his or her substitute or substitutes, may lawfully do or cause to be done by virtue hereof. IN WITNESS WHEREOF, the undersigned has executed this power of attorney on the 23rd day of September, 1997. /s/ Judith G. Boynton --------------------------- Name: Judith G. Boynton --------------------------- 19 AMOCO COMPANY POWER OF ATTORNEY KNOW ALL PEOPLE BY THESE PRESENTS, that the undersigned constitutes and appoints J. L. Carl, W. R. Hutchinson and D. B. Pinkert, and each of them, his or her true and lawful attorney-in-fact and agent, with full power of substitution and resubstitution, for him or her and in his or her name, place and stead, in any and all capacities, to sign any and all Amoco Company registration statements and amendments thereto (including post-effective amendments) relating to issuance or guarantee of an aggregate of up to $300,000,000 in principal amount of debt securities, and to file the same, with all exhibits thereto, and other documents in connection therewith, with the Securities and Exchange Commission, granting unto said attorney-in-fact and agent, full power and authority to do and perform each and every act and thing requisite and necessary to be done in and about the premises, as fully to all intents and purposes as he or she might or could do in person, hereby ratifying and confirming all that said attorney-in-fact and agent, or his or her substitute or substitutes, may lawfully do or cause to be done by virtue hereof. IN WITNESS WHEREOF, the undersigned has executed this power of attorney on the 23rd day of September, 1997. /s/ D. B. Pinkert --------------------------- Name: D. B. Pinkert ---------------------------