M&T Bank Corporation ("M&T") will participate in Allied Irish Banks' (AIB) Investor Day. Representatives of M&T, a Buffalo based bank holding company, are scheduled to deliver a presentation to investors and analysts on Friday, May 7, 2004, at the Great Eastern Hotel in London, England.

A recorded webcast of this event will be accessible beginning May 8, 2004, on the Investor Relations page of the AIB Group website at www.aibgroup.com/investorrelations. Materials that will be used in this presentation will be accessible at M&T's website, http://ir.mandtbank.com/conference.cfm.

M&T is headquartered in Buffalo, New York, and has banking branches in New York, Pennsylvania, Maryland, Virginia, West Virginia, Delaware and the District of Columbia.

CONTACT:

Brian P. Klock

(716) 842-5138