REGULATORY CAPITAL (Tables)

6 Months Ended

Jun. 30, 2012

REGULATORY CAPITAL

Schedule of actual and required capital amounts and ratios

					Required for
	Actual				Adequate Capital				To Be Well Capitalized
June 30, 2012	Amount		Ratio		Amount		Ratio		Amount		Ratio
MainSource Financial Group
Total capital (to risk-weighted assets)	$	305,184	18.5	%	$	132,169	8.0	%	N/A		N/A
Tier 1 capital (to risk-weighted assets)	284,501		17.2		66,085		4.0		N/A		N/A
Tier 1 capital (to average assets)	284,501		10.4		109,279		4.0		N/A		N/A
MainSource Bank
Total capital (to risk-weighted assets)	$	282,963	17.3	%	$	130,969	8.0	%	$	163,712	10.0	%
Tier 1 capital (to risk-weighted assets)	262,279		16.0		65,485		4.0		98,227		6.0
Tier 1 capital (to average assets)	262,279		9.7		108,079		4.0		135,074		5.0

					Required for			To Comply with
	Actual				Adequate Capital			Regulatory Agreement
December 31, 2011	Amount		Ratio		Amount	Ratio		Amount	Ratio
MainSource Financial Group
Total capital (to risk-weighted assets)	$	313,902	18.9	%	133,201	8.0	%	N/A	N/A
Tier 1 capital (to risk-weighted assets)	293,039		17.6		66,601	4.0		N/A	N/A
Tier 1 capital (to average assets)	293,039		10.8		108,875	4.0		N/A	N/A
MainSource Bank	299,054		18.1	%	132,001	8.0	%	181,502	11.0	%
Total capital (to risk-weighted assets)	278,191		16.9		66,001	4.0		—	—
Tier 1 capital (to risk-weighted assets)	278,191		10.3		107,675	4.0		215,350	8.0
Tier 1 capital (to average assets)