1 POWER OF ATTORNEY ----------------- The undersigned director of OMNICARE, INC. ("Company") hereby appoints EDWARD L. HUTTON, JOEL F. GEMUNDER and CHERYL D. HODGES as his true and lawful attorneys-in-fact for the purpose of signing the Company's Annual Report on Form 10-K for the year ended December 31, 1996, and all amendments thereto, to be filed with the Securities and Exchange Commission. Each of such attorneys-in-fact is appointed with full power to act without the other. Dated: March 18, 1997 /s/ Ronald K. Baur ----------------------- Ronald K. Baur E-101 2 POWER OF ATTORNEY ----------------- The undersigned director of OMNICARE, INC. ("Company") hereby appoints EDWARD L. HUTTON, JOEL F. GEMUNDER and CHERYL D. HODGES as his true and lawful attorneys-in-fact for the purpose of signing the Company's Annual Report on Form 10-K for the year ended December 31, 1996, and all amendments thereto, to be filed with the Securities and Exchange Commission. Each of such attorneys-in-fact is appointed with full power to act without the other. Dated: March 18, 1997 /s/ Kenneth W. Chesterman ---------------------------- Kenneth W. Chesterman E-102 3 POWER OF ATTORNEY ----------------- The undersigned director of OMNICARE, INC. ("Company") hereby appoints EDWARD L. HUTTON, JOEL F. GEMUNDER and CHERYL D. HODGES as his true and lawful attorneys-in-fact for the purpose of signing the Company's Annual Report on Form 10-K for the year ended December 31, 1996, and all amendments thereto, to be filed with the Securities and Exchange Commission. Each of such attorneys-in-fact is appointed with full power to act without the other. Dated: March 17, 1997 /s/ Charles H. Erhart --------------------------- Charles H. Erhart E-103 4 POWER OF ATTORNEY ----------------- The undersigned director of OMNICARE, INC. ("Company") hereby appoints EDWARD L. HUTTON, JOEL F. GEMUNDER and CHERYL D. HODGES as his true and lawful attorneys-in-fact for the purpose of signing the Company's Annual Report on Form 10-K for the year ended December 31, 1996, and all amendments thereto, to be filed with the Securities and Exchange Commission. Each of such attorneys-in-fact is appointed with full power to act without the other. Dated: March 24, 1997 /s/ Mary Lou Fox --------------------------- Mary Lou Fox E-104 5 POWER OF ATTORNEY ----------------- The undersigned director of OMNICARE, INC. ("Company") hereby appoints EDWARD L. HUTTON, JOEL F. GEMUNDER and CHERYL D. HODGES as his true and lawful attorneys-in-fact for the purpose of signing the Company's Annual Report on Form 10-K for the year ended December 31, 1996, and all amendments thereto, to be filed with the Securities and Exchange Commission. Each of such attorneys-in-fact is appointed with full power to act without the other. Dated: March 18, 1997 /s/ Thomas C. Hutton --------------------------- Thomas C. Hutton E-105 6 POWER OF ATTORNEY ----------------- The undersigned director of OMNICARE, INC. ("Company") hereby appoints EDWARD L. HUTTON, JOEL F. GEMUNDER and CHERYL D. HODGES as his true and lawful attorneys-in-fact for the purpose of signing the Company's Annual Report on Form 10-K for the year ended December 31, 1996, and all amendments thereto, to be filed with the Securities and Exchange Commission. Each of such attorneys-in-fact is appointed with full power to act without the other. Dated: March 24, 1997 /s/ Patrick E. Keefe --------------------------- Patrick E. Keefe E-106 7 POWER OF ATTORNEY ----------------- The undersigned director of OMNICARE, INC. ("Company") hereby appoints EDWARD L. HUTTON, JOEL F. GEMUNDER and CHERYL D. HODGES as his true and lawful attorneys-in-fact for the purpose of signing the Company's Annual Report on Form 10-K for the year ended December 31, 1996, and all amendments thereto, to be filed with the Securities and Exchange Commission. Each of such attorneys-in-fact is appointed with full power to act without the other. Dated: March 22, 1997 /s/ Sandra E. Laney --------------------------- Sandra E. Laney E-107 8 POWER OF ATTORNEY ----------------- The undersigned director of OMNICARE, INC. ("Company") hereby appoints EDWARD L. HUTTON, JOEL F. GEMUNDER and CHERYL D. HODGES as his true and lawful attorneys-in-fact for the purpose of signing the Company's Annual Report on Form 10-K for the year ended December 31, 1996, and all amendments thereto, to be filed with the Securities and Exchange Commission. Each of such attorneys-in-fact is appointed with full power to act without the other. Dated: March 24, 1997 /s/ Andrea R. Lindell --------------------------- Andrea R. Lindell E-108 9 POWER OF ATTORNEY ----------------- The undersigned director of OMNICARE, INC. ("Company") hereby appoints EDWARD L. HUTTON, JOEL F. GEMUNDER and CHERYL D. HODGES as his true and lawful attorneys-in-fact for the purpose of signing the Company's Annual Report on Form 10-K for the year ended December 31, 1996, and all amendments thereto, to be filed with the Securities and Exchange Commission. Each of such attorneys-in-fact is appointed with full power to act without the other. Dated: March 18, 1997 /s/ Sheldon Margen --------------------------- Sheldon Margen E-109 10 POWER OF ATTORNEY ----------------- The undersigned director of OMNICARE, INC. ("Company") hereby appoints EDWARD L. HUTTON, JOEL F. GEMUNDER and CHERYL D. HODGES as his true and lawful attorneys-in-fact for the purpose of signing the Company's Annual Report on Form 10-K for the year ended December 31, 1996, and all amendments thereto, to be filed with the Securities and Exchange Commission. Each of such attorneys-in-fact is appointed with full power to act without the other. Dated: March 24, 1997 /s/ Kevin J. McNamara --------------------------- Kevin J. McNamara E-110 11 POWER OF ATTORNEY ----------------- The undersigned director of OMNICARE, INC. ("Company") hereby appoints EDWARD L. HUTTON, JOEL F. GEMUNDER and CHERYL D. HODGES as his true and lawful attorneys-in-fact for the purpose of signing the Company's Annual Report on Form 10-K for the year ended December 31, 1996, and all amendments thereto, to be filed with the Securities and Exchange Commission. Each of such attorneys-in-fact is appointed with full power to act without the other. Dated: March 24, 1997 /s/ John M. Mount --------------------------- John M. Mount E-111 12 POWER OF ATTORNEY ----------------- The undersigned director of OMNICARE, INC. ("Company") hereby appoints EDWARD L. HUTTON, JOEL F. GEMUNDER and CHERYL D. HODGES as his true and lawful attorneys-in-fact for the purpose of signing the Company's Annual Report on Form 10-K for the year ended December 31, 1996, and all amendments thereto, to be filed with the Securities and Exchange Commission. Each of such attorneys-in-fact is appointed with full power to act without the other. Dated: March 24, 1997 /s/ Timothy S. O'Toole --------------------------- Timothy S. O'Toole E-112 13 POWER OF ATTORNEY ----------------- The undersigned director of OMNICARE, INC. ("Company") hereby appoints EDWARD L. HUTTON, JOEL F. GEMUNDER and CHERYL D. HODGES as his true and lawful attorneys-in-fact for the purpose of signing the Company's Annual Report on Form 10-K for the year ended December 31, 1996, and all amendments thereto, to be filed with the Securities and Exchange Commission. Each of such attorneys-in-fact is appointed with full power to act without the other. Dated: March 17, 1997 /s/ D. Walter Robbins, Jr. --------------------------- D. Walter Robbins, Jr. E-113