Item 7.01. Regulation FD Disclosure.

Archie M. Brown, Jr., the President, Chief Executive Officer and Chairman of MainSource Financial Group, Inc. (the "Company"), presented at the Sandler O'Neill + Partners, L.P. East Coast Financial Services Conference on Thursday, November 15, 2012. Exhibit 99.1 is a copy of the slides used in connection with the presentation. The slides are also posted on the Company's website and will be available for 30 days following the presentation.

The slides are being furnished pursuant to Item 7.01, and the information contained therein shall not be deemed "filed" for purposes of Section 18 of the Securities Exchange Act of 1934, or otherwise subject to the liabilities under that Section. Furthermore, the information contained in Exhibit 99.1 shall not be deemed to be incorporated by reference into the filings of the Company under the Securities Act of 1933.

Item 8.01. Other Events.

On November 16, 2012, the Company issued a press release announcing that its Board of Directors had declared a quarterly dividend of $.03 per share payable on December 14, 2012 to common shareholders of record as of December 4, 2012. A copy of the press release is furnished as Exhibit 99.2 to this Report.

Item 9.01. Financial Statements and Exhibits.

(d) Exhibits.

99.1 MainSource Financial Group, Inc. presentation slides dated November 15, 2012.

99.2 Press Release of MainSource Financial Group, Inc. dated November 16, 2012.

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