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First Niagara
        Financial Group, Inc.

FIRST NIAGARA FINANCIAL GROUP, INC. ANNOUNCES THE COMPLETION OF ITS ACQUISITION
                         OF HUDSON RIVER BANCORP, INC.

Lockport, N.Y. - January 14, 2005 - First Niagara Financial Group, Inc. (NASDAQ:
FNFG), announced that today it completed its acquisition of Hudson River
Bancorp, Inc. In connection with this transaction, Hudson River stockholders
received 35.8 million shares of First Niagara common stock and cash payments
totaling $126.8 million.

"I want to welcome Hudson River's employees, customers and shareholders to the
First Niagara family," stated President and CEO, Paul J. Kolkmeyer. "I would
also like to personally welcome Carl Florio, Hudson River's former President and
CEO, as our new Eastern Regional President. His experience and knowledge
strengthens our organization and enhances our ability to leverage our leading
market share position in the Capital Region and help take First Niagara's
performance to the next level."

Mr. Florio said, "I am extremely proud of the accomplishments of the Hudson
River organization, particularly throughout this transition period. Hudson River
and First Niagara have long and proud histories as community banks and I look
forward to contributing to the success of the combined organization."

Under terms of the merger agreement dated April 1, 2004, the per share value of
the final merger consideration received by Hudson River stockholders is $19.0632
based on an average First Niagara stock price just prior to the merger of $13.36
per share. Hudson River stockholders who tendered an election received the
merger consideration they requested. Accordingly, Hudson River stockholders
received 1.4269 shares of First Niagara common stock in exchange for each of
their shares of Hudson River common stock for which a stock election was made
and $19.0632 for each of their shares of Hudson River common stock for which a
cash election was made. Hudson River stockholders who did not make an election
or indicated "No Preference" will receive 0.3544 shares of First Niagara common
stock and $14.33 for each of their shares of Hudson River common stock, subject
to final determination. Cash was paid in lieu of fractional shares.

Commenting on the close of the transaction Mr. Kolkmeyer also stated, "On
Tuesday, all Hudson River branches will re-open under the First Niagara banner
and we expect that all major systems conversions will be completed. The
customers of Hudson River will continue to be served by the same familiar faces
they have always done business with and will receive the same level of
extraordinary service they have come to expect."

At December 31, 2004, Hudson River Bancorp, Inc. headquartered in Hudson, New
York, had total assets of $2.5 billion and deposits of $1.8 billion. With the
addition of Hudson's branch offices, First Niagara now has nearly $8 billion in
assets and operates 116 branches and several financial services subsidiaries
across Upstate New York.

First Niagara was advised by the investment banking firm of Ryan Beck & Co. and
the law firm of Luse, Gorman, Pomerenk & Schick, P.C. Hudson River was advised
by the investment banking firm of Sandler O'Neill & Partners, L.P. and the law
firm of Silver Freedman & Taff L.L.P.

Officer Contacts

Paul J. Kolkmeyer..........    President and CEO
John R. Koelmel............    Chief Financial Officer
Christopher J. Thome.......    Reporting and Investor Relations Manager
                               (716) 625-7645
                               chris.thome@fnfg.com
Leslie G. Garrity..........    Public Relations and Corporate Communications
                               Manager
                               (716) 625-7528
                               leslie.garrity@fnfg.com