SCHEDULE 14A INFORMATION

Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934
                              (Amendment No. ___)

Filed by the Registrant [ ]

Filed by a Party other than the Registrant [x]

Check the appropriate box:

     [ ]    Preliminary Proxy Statement
     [ ]    Confidential, for Use of the Commission Only (as permitted by
            Rule 14a-6(e)(2))
     [ ]    Definitive Proxy Statement
     [x]    Definitive Additional Materials
     [ ]    Soliciting Material Pursuant toss.240.14a-11(c) orss.240.14a-12

                             FIRST FINANCIAL CORP.
             (Exact name of registrant as specified in its charter)

    (Name of Person(s) Filing Proxy Statement if other than the Registrant)

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     [x]   No Fee Required
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           0-11.
           1)  Title of each class of securities to which transaction applies:
           2)  Aggregate number of securities to which transaction applies:

           3)  Per unit price or other underlying value of transaction computed
               pursuant to Exchange Act Rule 0-11 (Set forth the amount on
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           the offsetting fee was paid previously. Identify the previous
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                             FIRST FINANCIAL CORP.
                             180 Washington Street
                         Providence, Rhode Island 02903


                                                     February 28, 2002

Dear Fellow Shareholder:

     On behalf of your board of directors, I am writing to express our
continued excitement with our pending merger with Washington Trust Bancorp. By
now, you should have received our proxy materials seeking your vote to approve
our transaction with Washington Trust. Your immediate attention to this
proposal is very important, and I urge you to take advantage of your right to
vote. Because the approval of 70% of all outstanding shares of our common stock
is necessary to approve our merger, your vote is essential.

     We will hold a special meeting of our shareholders to vote on the merger
on Wednesday, March 6, 2002 at 10:00 a.m. local time at The Westin Hotel, One
West Exchange Street Providence, Rhode Island 02903. I look forward to seeing
many of you there at the meeting.

     In the merger, you will receive $16.00 in cash, without interest, and
between 0.842 and 0.941 shares of Washington Trust common stock in exchange for
each share of your First Financial common stock, as more fully described in the
proxy materials previously mailed to you.

     ACCORDING TO OUR LATEST RECORDS, YOUR VOTING INSTRUCTIONS HAVE NOT BEEN
RECEIVED. PLEASE VOTE TODAY USING THE ENCLOSED PROXY CARD TO ENSURE THAT YOUR
VOTES ARE COUNTED.

     UNLESS YOU SPECIFICALLY RETURN YOUR VOTE INSTRUCTION, YOUR SHARES CANNOT
BE VOTED. IF YOU FAIL TO VOTE OR ABSTAIN FROM VOTING, IT WILL HAVE THE EFFECT
OF A VOTE AGAINST THE PROPOSAL.

     If you have any questions about the proposals, you may contact me at (401)
421-3600, or you may call Morrow & Co., Inc. our proxy solicitor, toll free at
(800) 654-2468.

                                Very truly yours,

                                /s/Patrick J. Shanahan, Jr.

                                Patrick J. Shanahan, Jr.
                                Chairman, President and Chief Executive Officer