X0202 4 2005-12-16 0 0000720002 MAINSOURCE FINANCIAL GROUP MSFG 0001256237 BARRON WILLIAM G 726 HARVARD DRIVE OWENSBORO KY 42301 1 0 0 0 Common Stock 2005-12-16 4 G 0 3333 0.00 D 62297.5827 D Common Stock 2005-12-16 4 G 0 555 0.00 D 61742.5827 D Common Stock 31917.4728 I By Spouse Common Stock 43229.9768 I By Trust A Common Stock 4917.2 I By Trust B Common Stock 205297.8063 I By Barron Family Trust Common Stock 124615.0858 I By Barron Family Partnership Common Stock 8327.6193 I FBO Daughter Common Stock 3100.309 I FBO Son Common Stock 10529.4033 I FBO Son Common Stock 9495.5434 I FBO Son Common Stock 419.35 I FBO Children Includes 10,572.4821 Shares that were transferred 11/07/2005 from Indirect ownership of William G. Barron Enterprises to Direct ownership of William G. Barron. Includes 371.3654 Shares acquired on 9/15/2005, 391.2126 Shares acquired on 6/15/05, and 304.3339 Shares acquired on 3/15/05 under the MainSource dividend reinvestment plan. Includes 210.0405 Shares acquired on 9/15/2005, 221.5364 Shares acquired on 6/15/05, and 172.3394 Shares acquired on 3/15/05 under the MainSource dividend reinvestment plan. Includes 301.6589 Shares acquired on 9/15/2005, 318.1689 Shares acquired on 6/15/05, and 247.5119 Shares acquired on 3/15/05 under the MainSource dividend reinvestment plan. Includes 434.6157 Shares acquired on 9/15/2005 under the MainSource dividend reinvestment plan. Includes 869.5632 Shares acquired on 9/15/2005, 900.6186 Shares acquired on 6/15/05, and 700.6153 Shares acquired on 3/15/05 under the MainSource dividend reinvestment plan. Includes 58.1097 Shares acquired on 9/15/2005, 61.1585 Shares acquired on 6/15/05, and 47.5771 Shares acquired on 3/15/05 under the MainSource dividend reinvestment plan. Includes 21.6340 Shares acquired on 9/15/2005, 21.5923 Shares acquired on 6/15/05, and 16.7969 Shares acquired on 3/15/05 under the MainSource dividend reinvestment plan. Includes 73.4740 Shares acquired on 9/15/2005, 76.6899 Shares acquired on 6/15/05, 59.6585 Shares acquired on 3/15/05 under the MainSource dividend reinvestment plan. Includes 66.2595 Shares acquired on 9/15/2005, 69.2211 Shares acquired on 6/15/05, 53.8486 Shares acquired on 3/15/05 under the MainSource dividend reinvestment plan. Includes 2,557.9975 Shares acquired on 1/15/05 through Stock Dividend. Includes 1,404.5968 Shares acquired on 1/15/05 through Stock Dividend. Includes 2,017.2682 Shares acquired on 1/15/05 through Stock Dividend. Includes 5,710.1446 Shares acquired on 1/15/05 through Stock Dividend. Includes 387.7646 Shares acquired on 1/15/05 through Stock Dividend. Includes 136.8983 Shares acquired on 1/15/05 through Stock Dividend. Includes 486.2323 Shares acquired on 1/15/05 through Stock Dividend. Includes 438.8769 Shares acquired on 1/15/05 through Stock Dividend. William G. Barron 2005-12-16