EXHIBIT 99.1

                                  News Release

BW Account Number: 1079001

Date:                    November 23, 2004 5:00 P.M., EST
Contact:                 James L. Saner, Sr., President & CEO
                         Mainsource Financial Group (812) 663-0157

                        Fourth 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 fourth quarter common
dividend of $.13 per share at its November 22, 2004 meeting. The dividend is
payable on December 15, 2004 to common shareholders of record as of December 1,
2004. The dividend represents a 13.7% increase over the dividend paid to
shareholders in the fourth quarter last year. This is MainSource Financial
Group's fifty-seventh consecutive quarterly cash dividend.

James L. Saner, Sr., President and CEO of MainSource Financial Group, stated,
"MainSource Financial Group is pleased to be able to offer such great news to
our shareholders. With 2004 quickly coming to a close, we are confident that our
full-year results will reflect the sustained growth that MainSource has achieved
over the past several years. We have successfully adjusted our strategic plan to
cope with today's economic pressures, which have allowed us to remain ahead of
our peer group in terms of earnings and performance."

MainSource Financial Group, Inc., is a community-focused, multi-bank, financial
services oriented holding company with assets of $1.6 billion. MainSource
Financial Group is headquartered in Greensburg, Indiana and is listed on the
NASDAQ Stock Market (trading symbol: MSFG). Through its four banking
subsidiaries MainSource Bank, Greensburg, Indiana; Peoples Trust Company,
Linton, Indiana; Regional Bank, New Albany, Indiana; and Capstone Bank, Watseka,
Illinois, it operates 56 offices in 22 Indiana counties and six offices in three
Illinois counties. Through its insurance subsidiary, MainSource Insurance, it
operates eight offices in Indiana as well as one in Owensboro, Kentucky.

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