POWER OF ATTORNEY KNOW ALL MEN BY THESE PRESENTS, that each person whose signature appears below constitutes and appoints James R. Kenny and Eugene E. Blakeslee, and each of them, his true and lawful attorneys-in-fact and agents, each with full power of substitution and resubstitution, for him and in his name, place and stead, in any and all capacities, to sign any and all amendments, including post-effective amendments, to this Registration Statement, and to file the same, with 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 he might or could do in person, hereby ratifying and confirming all that each of said attorneys-in-fact and agents or his substitute or substitutes may lawfully do or cause to be done by virtue hereof. Pursuant to the requirements of the Securities Act of 1933, this Registration Statement has been signed by the following persons in the capacities and on the date indicated: /s/J.R. Kenny President and Chief Executive Officer June 15, 1999 James R. Kenny (Principal Executive Officer) and Director /s/E.E. Blakeslee Executive Vice President and Chief June 15, 1999 Eugene E. Blakeslee Financial Officer (Principal Financial Officer and Principal Accounting Officer) /s/R.S. Akamine Director June 9, 1999 Ray S. Akamine /s/R.A. Archer Chairman and Director June 10, 1999 Robert A. Archer /s/A.V. Bruno Director June 13, 1999 Albert V. Bruno /s/R. Diridon Director June 9, 1999 Rod Diridon /s/F.G. Gorry Director June 9, 1999 F. Jack Gorry /s/A.K. Lund Director June 9, 1999 Arthur K. Lund /s/L. Oneal Director June 14, 1999 Louis Oneal /s/D.P. Rubino Director June 15, 1999 Diane P. Rubino /s/D.L. Shen Director June 15, 1999 Douglas L. Shen /s/G.S. Vandeweghe Director June 10, 1999 Gary S. Vandeweghe INDEX TO EXHIBITS Exhibit Number Exhibit 5.1 Opinion regarding legality of securities to be offered. 23.1 Consent of KPMG LLP, Independent Auditors. 23.2 Consent of Pillsbury Madison & Sutro LLP (included in Exhibit 5.1). 24.1 Power of Attorney (see Page 4). 99.1 1996 Stock Option Plan of SJNB Financial Corp., as amended.