Exhibit 32.1

**Section 1350 Certification**

Pursuant to Rule 13a-14(b) of the Securities Exchange Act of 1934, as amended (the “Act”), and Section (32) of Item 601 of Regulation S-K promulgated under the Act, each of the undersigned officers of Westbank Corporation (the “Corporation”) does hereby certify to such officer’s knowledge that:

|   | The Quarterly Report on Form 10-Q for the quarter   ended June 30, 2006 of the Corporation fully complies with the requirements   of Section 13(a) or 15(d) of the Securities Exchange Act of 1934 and   information contained in the Form 10-Q fairly presents, in all material   respects, the financial condition and results of operations of the   Corporation.                                                                         |
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|   | This statement is authorized to be attached as an   exhibit to the Report so that this statement will accompany the Report at   such time as the Report is filed with the Securities and Exchange Commission,   pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, 18 U.S.C. Section   1350.  It is not intended that this   statement be deemed to be filed for purposes of the Securities Exchange Act   of 1934, as amended. |
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|   | A signed original of this written statement required   by Section 906 has been provided to the Company and will be retained by the   Company and furnished to the Securities and Exchange Commission or its staff   upon request.                                                                                                                                                                                                            |

 

| Date: August 4, 2006 | /s/ Donald R. Chase                   |
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|                 | Donald R. Chase                       |
|                 | President and Chief Executive Officer |
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