EXHIBIT 99.1


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                                  NEWS RELEASE

        DATE:      February 27, 2006       3:00 p.m. E.S.T.
        CONTACT:   James L. Saner, Sr., President and CEO
                   MainSource Financial Group, Inc.  812-663-0157

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                         First Quarter Dividend Declared
                    MainSource Financial Group - NASDAQ, MSFG

Greensburg,  Indiana  (NASDAQ:  MSFG) - MainSource  Financial  Group's  Board of
Directors  announced  today that the  Company  declared a first  quarter  common
dividend of $.135 per share at its  February 21, 2006  meeting.  The dividend is
payable on March 15, 2006 to common  shareholders of record as of March 6, 2006.
The dividend  represents a 4.0% increase over the dividend paid to  shareholders
in  the  first  quarter  last  year.  This  is  MainSource   Financial   Group's
sixty-second consecutive quarterly cash dividend.

MainSource  Financial  Group,  Inc.,  headquartered in Greensburg,  Indiana,  is
listed  on  the  NASDAQ  National  Market  (under  the  symbol:"MSFG")  and is a
community-focused,  financial holding company with assets of approximately  $1.6
billion.  The Company operates 54 offices in 23 Indiana counties and six offices
in three  Illinois  counties  through its two banking  subsidiaries,  MainSource
Bank, Greensburg,  Indiana and MainSource Bank of Illinois,  Kankakee, Illinois.
Through its non-banking subsidiaries, MainSource Insurance LLC, MainSource Title
LLC,  and  MainSource  Mortgage  LLC,  the Company and its banking  subsidiaries
provide various related financial services.


Forward-Looking Statements

Except for historical information contained herein, the discussion in this press
release may include  certain  forward-looking  statements  based upon management
expectations.  Factors  which  could cause  future  results to differ from these
expectations include the following: general economic conditions; legislative and
regulatory initiatives;  monetary and fiscal policies of the federal government;
deposit flows;  the costs of funds;  general market rates of interest;  interest
rates on competing investments;  demand for loan products;  demand for financial
services;  changes in  accounting  policies  or  guidelines;  and changes in the
quality or composition of the Company's loan and investment portfolios.

The forward-looking statements included in the press release relating to certain
matters  involve  risks  and  uncertainties,   including  anticipated  financial
performance,  business  prospects,  and other  similar  matters,  which  reflect
management's best judgment based on factors currently known.  Actual results and
experience  could  differ  materially  from  the  anticipated  results  or other
expectations expressed in the Company's  forward-looking  statements as a result
of a number of factors,  including  but not limited to,  those  discussed in the
press release.

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 MainSource Financial Group, 201 N. Broadway, P.O. Box 87, Greensburg, IN 47240