EXHIBIT 5 McGOWAN, ENGEL, TUCKER, GARRETT & SCHULTZ (A PROFESSIONAL ASSOCIATION INCLUDING A PROFESSIONAL CORPORATION) COUNSELLORS AT LAW PAUL A. McGOWAN, III 125 HIGH STREET MARK D. ENGEL HIGH STREET TOWER, SUITE 2601 THOMAS H. TUCKER BOSTON. MASSACHUSETTS 02110 ROBERT W. GARRETT (617) 951-9980 STEPHEN SCHULTZ TELECOPIER (617) 951-0048 ---------------- PETER L. KOFF CATHY P. BROOKS OF COUNSEL April 3, 1998 Board of Directors Slade's Ferry Bancorp Box 390 Somerset, MA 02726 Dear Sirs: The undersigned has acted as counsel to Slade's Ferry Bancorp (the "Company") which is filing a Registration Statement (S-8) under the Securities Act of 1933 relating to the registration and proposed offering of 250,000 shares of the Company's Common Stock, $.01 par value, pursuant to the Company's Stock Option Plan for key employees and non-employee directors. I have examined the Company's Certificate of Incorporation, its By- laws and such other records and documents as I deem necessary as a basis for this opinion. Based on the foregoing examination, I am of the opinion that: 1. The Company was duly incorporated and is validly existing under the laws of the Commonwealth of Massachusetts; 2. The shares of Common Stock of the Company being registered will, when issued, be legally issued, fully paid and non-assessable. I hereby consent to the reference to me under the caption "Legal Opinions" in the Prospectus included in the aforementioned Registration Statement. Sincerely, /s/ Thomas H. Tucker Thomas H. Tucker