Exhibit 24 POWER OF ATTORNEY FOR THE ACQUISITION OF MARITIME BANK & TRUST COMPANY Each director whose signature appears below appoints James C. Smith or John V. Brennan, jointly and severally, each in his own capacity, as true and lawful attorneys-in-fact, with full power of substitution in such director's name, place and stead, in any and all capacities to sign the Registration Statement on Form S-4 and any amendments to the Form S-4, and to file the same, with all exhibits thereto, and other documents in connection therewith, with the Securities and Exchange Commission, hereby ratifying and confirming all that said attorney-in-fact, or their substitute or substitutes, may lawfully do or cause to be done by virtue hereof. This Power of Attorney may be signed in counterparts. [Signatures on following page] IN WITNESS WHEREOF, the undersigned have executed this Power of Attorney on October 26, 1998. /s/ Richard H. Alden /s/ Achille A. Apicella - ------------------------- ---------------------------- Richard H. Alden Achille A. Apicella /s/ Joel S. Becker /s/ O. Joseph Bizzozero, Jr. - ------------------------- ---------------------------- Joel S. Becker O. Joseph Bizzozero, Jr. /s/ George T. Carpenter /s/ John J. Crawford - ------------------------- ---------------------------- George T. Carpenter John J. Crawford /s/ Harry P. DiAdamo, Jr. /s/ Robert A. Finkenzeller - ------------------------- ---------------------------- Harry P. DiAdamo, Jr. Robert A. Finkenzeller /s/ Walter R. Griffin /s/ J. Gregory Hickey - ------------------------- ---------------------------- Walter R. Griffin J. Gregory Hickey /s/ C. Michael Jacobi /s/ John F. McCarthy - ------------------------- ---------------------------- C. Michael Jacobi John F. McCarthy /s/ James C. Smith /s/ Sister Marguerite Waite - ------------------------- ---------------------------- James C. Smith Sister Marguerite Waite