1 Exhibit 24.1 POWER OF ATTORNEY KNOWN ALL PERSONS BY THESE PRESENTS, that each of F.N.B. Corporation, and the several undersigned Officers and Directors thereof whose signatures appear below, hereby makes, constitutes and appoints John D. Waters, its, his and her true an lawful attorney with power to act without any other and with full power of substitution, to execute, deliver and file in its, his and her name and on its, his and her behalf, and in each of the undersigned Officer's Director's capacity or capacities as shown below, (a) a Registration Statement of F.N.B. Corporation on Form S-4 (or other appropriate form) with respect to the registration under the Securities Act of 1933, as amended, of up to 752,726 shares of common stock, par value $2.00 per share, of F.N.B. Corporation, to be issued in exchange for shares of common stock of West Coast Bank, Sarasota, Florida, upon consummation of the proposed merger of West Coast Bank with and into Southwest Bank Interim No. 3, a state chartered interim bank wholly-owned by F.N.B. Corporation, and any and all documents in support thereof or supplements thereto and any and all amendments, including any and all post-effective amendments, to the foregoing (hereinafter called the "Registration Statement"), and (b) such registration statements, petitions, applications, consents to service of process or other instruments, any and all documents in support thereof or supplemental thereto, and any and all documents in support thereof or supplemental thereto, and any and all amendments or supplements to the foregoing, as may be necessary or advisable to qualify or register the securities covered by said Registration Statement under such securities laws, regulations or requirements as may be applicable; and each of F.N.B. Corporation and said Officers and Directors hereby grants to said attorney full power and authority to do and perform each and every act and thing whatsoever as said attorney may deem necessary or advisable to carry out fully the intent of this power of attorney to the same extent with the same effect as F.N.B. Corporation might or could do, and as each of said Officers and Directors might or could do personally in his or her capacity or capacities as aforesaid, and each of F.N.B. Corporation and said Officers and Directors hereby ratifies and confirms all acts and things which said attorney might do or cause to be done by virtue of this power of attorney and its, his or her signature as the same may be signed by said attorney, or any of them, to any or all of the following (and/or any and all amendments and supplements to any or all thereof): such Registration Statement under the Securities Act of 1933, as amended, and all such registration statements, petitions, applications, consents to service of process and other instruments, and any and all documents in support thereof or supplemental thereto, under such securities laws, regulations and requirements as may be applicable. Page 1 of 4 2 IN WITNESS WHEREOF, F.N.B. Corporation has cause this power of attorney to be signed on its behalf, and each of the undersigned Officers and Directors in the capacity or capacities noted has hereunto set his or her hand as of the date indicated below. F.N.B. CORPORATION (Registrant) By: /s/ Peter Mortensen ---------------------------- Peter Mortensen Chairman and President Dated:October 31, 1997 ------------------------- /s/ Peter Mortensen Chairman, President Date: October 31, 1997 ------------------------ (Principal Executive Officer) Peter Mortensen /s/ Stephen J. Gurgovits Executive Vice President and Date: October 31, 1997 ------------------------ Director Stephen J. Gurgovits /s/ William J. Rundorff Executive Vice President Date: October 31, 1997 ------------------------ William J. Rundorff /s/ John w. Rose Executive Vice President Date: October 31, 1997 ------------------------ John W. Rose /s/ John D. Waters Vice President and Chief Date: October 31, 1997 ------------------------ Finance Officer (Principal John D. Waters Financial and Accounting Officer) /s/ W. Richard Blackwood Director Date: October 31, 1997 ------------------------ W. Richard Blackwood /s/ William B. Campbell Director Date: October 31, 1997 ------------------------ William B. Campbell /s/ Charles T. Cricks Director Date: October 31, 1997 ------------------------ Charles T. Cricks Page 2 of 4 3 /s/ Henry M. Ekker Director Date: October 31, 1997 ------------------------ Henry M. Ekker, Esq. /s/ Thomas C. Elliot Director Date: October 31, 1997 ------------------------ Thomas C. Elliot /s/ Thomas W. Hodge Director Date: October 31, 1997 ------------------------ Thomas W. Hodge /s/ James S. Lindsay Director Date: October 31, 1997 ------------------------ James S. Lindsay /s/ Paul P. Lynch Director Date: October 31, 1997 ------------------------ Paul P. Lynch /s/ Edward J. Mace Director Date: October 31, 1997 ------------------------ Edward J. Mace /s/ Robert S. Moss Director Date: October 31, 1997 ------------------------ Robert S. Moss /s/ Richard C. Myers Director Date: October 31, 1997 ------------------------ Richard C. Myers /s/ John R. Perkins Director Date: October 31, 1997 ------------------------ John R. Perkins /s/ William A. Quinn Director Date: October 31, 1997 ------------------------ William A. Quinn /s/ George A. Seeds Director Date: October 31, 1997 ------------------------ George A. Seeds /s/ William J. Strimbu Director Date: October 31, 1997 ------------------------ William J. Strimbu Page 3 of 4 4 /s/ Gary L. Tice Director Date: October 31, 1997 ------------------------ Gary L. Tice /s/ Archie O. Wallace Director Date: October 31, 1997 ------------------------ Archie O. Wallace /s/ Joseph M. Walton Director Date: October 31, 1997 ------------------------ Joseph M. Walton /s/ James T. Weller Director Date: October 31, 1997 ------------------------ James T. Weller /s/ Eric J. Werner Director Date: October 31, 1997 ------------------------ Eric J. Werner, Esq. /s/ Robert B. Wiley Director Date: October 31, 1997 ------------------------ Robert B. Wiley /s/ Donna C. Winner Director Date: October 31, 1997 ------------------------ Donna C. Winner Page 4 of 4