REGULATORY CAPITAL (Tables)

6 Months Ended

Jun. 30, 2017

REGULATORY CAPITAL

Schedule of actual and required capital amounts and ratios

					Required for				To Be
	Actual				Adequate Capital				Well Capitalized
June 30, 2017	Amount		Ratio		Amount		Ratio		Amount		Ratio
MainSource Financial Group
Total capital (to risk-weighted assets)	$	436,352	13.3	%	$	262,397	8.0	%		N/A	N/A
Tier 1 capital (to risk-weighted assets)		414,046	12.6			196,798	6.0			N/A	N/A
Common equity Tier 1 capital (to risk-weighted assets)		366,120	11.2			147,598	4.5			N/A	N/A
Tier 1 capital (to average assets)		414,046	9.7			170,011	4.0			N/A	N/A
MainSource Bank
Total capital (to risk-weighted assets)	$	443,272	13.5	%	$	262,370	8.0	%	$	327,963	10.0	%
Tier 1 capital (to risk-weighted assets)		420,966	12.8			196,778	6.0			262,370	8.0
Common equity Tier 1 capital (to risk-weighted assets)		420,966	12.8			147,583	4.5			213,176	6.5
Tier 1 capital (to average assets)		420,966	9.9			169,730	4.0			212,163	5.0

					Required for				To Be
	Actual				Adequate Capital				Well Capitalized
December 31, 2016	Amount		Ratio		Amount		Ratio		Amount		Ratio
MainSource Financial Group
Total capital (to risk-weighted assets)	$	407,802	14.7	%	$	222,095	8.0	%		N/A	N/A
Tier 1 capital (to risk-weighted assets)		385,303	13.9			166,571	6.0			N/A	N/A
Common equity Tier 1 capital (to risk-weighted assets)		344,212	12.4			124,928	4.5			N/A	N/A
Tier 1 capital (to average assets)		385,303	9.8			157,671	4.0			N/A	N/A
MainSource Bank
Total capital (to risk-weighted assets)	$	407,939	14.7	%	$	222,152	8.0	%	$	277,690	10.0	%
Tier 1 capital (to risk-weighted assets)		385,440	13.9			166,614	6.0			222,152	8.0
Common equity Tier 1 capital (to risk-weighted assets)		385,440	13.9			124,960	4.5			180,498	6.5
Tier 1 capital (to average assets)		385,440	9.8			157,390	4.0			196,737	5.0