EXHIBIT 10.a
                         Washington Trust Bancorp, Inc.
        Amendment to Change in Control Agreements with Executive Officers

                   Amendment to Executive Severance Agreement

The  Agreement  made as of  February  10,  2000 by and  among  Washington  Trust
Bancorp,  Inc., a Rhode Island  corporation with its principal place of business
in  Westerly,  Rhode Island (the  "Corporation"),  Washington  Trust  Company of
Westerly,  a Rhode  Island  banking  corporation  with  its  principal  place of
business in  Westerly,  Rhode  Island (the  "Bank") and John F. Treanor of South
Kingstown (the "Executive"),  is hereby amended by deleting Section 4(c) thereof
and substituting the following in lieu thereof:

                   "(c)  the  Corporation  and/or  the Bank  shall  provide  the
               Executive with 24 months of additional  benefit accrual under the
               Corporation's and the Bank's  supplemental  retirement plans, but
               only to the extent the Executive was eligible to  participate  in
               such plan immediately prior to the Change in Control; and"

The effective date of this Amendment is September 1, 2001.

IN WITNESS WHEREOF,  this Amendment has been executed as a sealed  instrument by
the  Corporation  and the  Bank by their  duly  authorized  officers  and by the
Executive this 16th day of August, 2001.

                         Washington Trust Bancorp, Inc.

                         By:
                                  David V. Devault
                                  ----------------------------------------------
                                  David V. Devault
                                  Executive Vice President, Treasurer, and Chief
                                  Financial Officer


                         Washington Trust COMPANY OF WESTERLY

                         By:
                                  David V. Devault
                                  ----------------------------------------------
                                  David V. Devault
                                  Executive Vice President, Treasurer, and Chief
                                  Financial Officer



                                  John F. Treanor
                                  ----------------------------------------------
                                  Executive






                   Amendment to Executive Severance Agreement

The  Agreement  made as of  February  10,  2000 by and  among  Washington  Trust
Bancorp,  Inc., a Rhode Island  corporation with its principal place of business
in  Westerly,  Rhode Island (the  "Corporation"),  Washington  Trust  Company of
Westerly,  a Rhode  Island  banking  corporation  with  its  principal  place of
business  in  Westerly,  Rhode  Island  (the  "Bank")  and  John  C.  Warren  of
Narragansett  (the  "Executive"),  is hereby  amended by deleting  Section  4(c)
thereof and substituting the following in lieu thereof:

                   "(c)  the  Corporation  and/or  the Bank  shall  provide  the
               Executive with 36 months of additional  benefit accrual under the
               Corporation's and the Bank's  supplemental  retirement plans, but
               only to the extent the Executive was eligible to  participate  in
               such plan immediately prior to the Change in Control; and"

The effective date of this Amendment is September 1, 2001.

IN WITNESS WHEREOF,  this Amendment has been executed as a sealed  instrument by
the  Corporation  and the  Bank by their  duly  authorized  officers  and by the
Executive this 16th day of August, 2001.

                         Washington Trust Bancorp, Inc.

                         By:
                                  David V. Devault
                                  ----------------------------------------------
                                  David V. Devault
                                  Executive Vice President, Treasurer, and Chief
                                  Financial Officer


                         Washington Trust COMPANY OF WESTERLY

                         By:
                                  David V. Devault
                                  ----------------------------------------------
                                  David V. Devault
                                  Executive Vice President, Treasurer, and Chief
                                  Financial Officer


                                  John C. Warren
                                  ----------------------------------------------
                                  Executive