PRESS RELEASE                  FOR IMMEDIATE RELEASE

MEDIA CONTACT:                 Sheli L. Fyock, Asst. Secretary/Marketing Officer
                               Irwin Bank & Trust Company
                               309 Main Street
                               Irwin, Pennsylvania 15642
                               Telephone:  724-978-2705
                               E-mail:  sfyock@irwinbank.com

            IBT BANCORP, INC. DEBUTS ON THE AMERICAN STOCK EXCHANGE
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IRWIN, Pa, April 1, 2003: IBT Bancorp, Inc., the holding company of Irwin Bank &
Trust  Company,  today  announced  its  debut  on the  American  Stock  Exchange
(AMEX:IRW).  President and CEO,  Charles G. Urtin rang the opening bell to begin
the days trading at the Amex to commemorate the listing of the company's  common
stock.

"We are very  excited to be listed on the  American  Stock  Exchange,"  said Mr.
Urtin. "With our stock trading on the Amex, we hope to have additional  exposure
and performance related to our solid financial successes of recent quarters."

IBT  Bancorp,  Inc.'s net income for the three  months  ended  December 31, 2002
increased  $240,000 to $2,072,000,  or $.70 per diluted earnings per share, from
$1,832,000,  or $.61 per diluted  earnings per share,  for the  comparable  2001
quarter.  Net income for the year ended December 31, 2002 increased  $1,472,000,
to $8,937,000,  or $2.99 per diluted  earnings per share,  from  $7,465,000,  or
$2.49 per diluted earnings per share, for the comparable 2001 period.

Since  December  31, 1998,  fully  diluted  earnings per share has  increased an
average of 11.8% per year,  cash  dividends have increased an average of 17% per
year and assets have grown an average 9% per year.

About IBT Bancorp, Inc.
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IBT  Bancorp,  Inc.  is  a  Pennsylvania  corporation  headquartered  in  Irwin,
Pennsylvania,  which  provides a full  range of  commercial  and retail  banking
services  through  its  wholly  owned  banking  subsidiary,  Irwin  Bank & Trust
Company.  The bank operates through its main office, five branch offices, a loan
center,  and a trust office, as well as through five supermarket  branches under
the name "Irwin Bank Extra" located in the Pennsylvania counties of Westmoreland
and Allegheny. For more information please visit www.myirwinbank.com.
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IBT Bancorp, Inc.
Press Release
Page 2


Statements  contained in this news release  which are not  historical  facts are
forward-looking  statements  as the term is  defined in the  Private  Securities
Litigation  Reform Act of 1995. Such  forward-looking  statements are subject to
risks and  uncertainties  which could cause actual results to differ  materially
from those currently anticipated due to a number of factors,  which include, but
are not limited to, factors discussed in documents filed by the Company with the
Securities and Exchange Commission from time to time.