EXHIBIT 11

                         Washington Trust Bancorp, Inc.
                        Computation of Per Share Earnings
                For the Periods Ended September 30, 2003 and 2002



Three months ended September 30,                                   2003                             2002
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(In thousands, except per share amounts)                  Basic            Diluted            Basic         Diluted
                                                                                          
                                                 ----------------- ---------------- ----------------  ----------------
Net income                                                 $4,740           $4,740            $4,511           $4,511

Share amounts:
   Average outstanding                                   13,133.8         13,133.8          13,032.9         13,032.9
   Common stock equivalents                                     -            353.0                 -            221.4
- ------------------------------------------------ ----------------- ---------------- ----------------- ----------------

   Weighted average outstanding                          13,133.8         13,486.8          13,032.9         13,254.3
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Earnings per share                                           $.36             $.35              $.35             $.34
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Nine months ended September 30,                                    2003                             2002
- ---------------------------------------------------- -----------------------------------------------------------------
(In thousands, except per share amounts)                  Basic            Diluted            Basic         Diluted
                                                                                          
                                                 ----------------- ---------------- ----------------- ----------------
Net income                                                $14,064          $14,064           $12,279          $12,279

Share amounts:
   Average outstanding                                   13,094.5         13,094.5          12,635.9         12,635.9
   Common stock equivalents                                     -            247.3                 -            197.8
- ------------------------------------------------ ----------------- ---------------- ----------------- ----------------

   Weighted average outstanding                          13,094.5         13,341.8          12,635.9         12,833.7
- ------------------------------------------------ ----------------- ---------------- ----------------- ----------------

Earnings per share                                          $1.07            $1.05              $.97             $.96
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