Exhibit 15
August 3, 2012
Securities and Exchange Commission
450 Fifth Street, N.W.
Washington, D.C. 20549
Re: Filing on the June 30, 2012 Form 10-Q for TrustCo Bank Corp NY
Commissioners:
We are aware that our report dated August 3, 2012, on our reviews of the interim financial information of TrustCo Bank Corp NY as of and for the three month and six month periods ended June 30, 2012 and 2011, included in the Company's quarterly report on Form 10-Q for the quarter ended June 30, 2012, is incorporated by reference in its Registration Statements, Form S-8 (No. 33-60409), Form S-8 (No. 333-78811), Form S-8 (No. 333-115689), Form S-8 (No. 333-115674), Form S-8 (No. 333-175868), Form S-8 (No. 333-175867) Form S-3 (No. 333-174331), Form S-3 (No. 333-172568) and Form S-3 (No. 333-171339.
Yours very truly,
/s/ Crowe Horwath LLP
Crowe Horwath LLP