| Non-GAAP Disclosure Reconciliations (continued) 23 Net Non-interest Expense to Average Assets Calculation 2005 2006 2007 2008 2009 2010 Three Months Ended March 31, 2011 Non-interest expense 131,155 $ 152,218 $ 191,506 $ 183,390 $ 223,750 $ 258,776 $ 66,864 $ Adjustment for FDIC special assessment - - - - 3,850 - - Adjustment for contributions to MB Financial Charitable Foundation - 4,500 - - - - Adjustment for executive separation agreement expense - 5,908 - - - - Unamortized issuance costs related to redemption of trust preferred securities - 1,914 - - - - Adjustment for impairment charges - - - - 4,000 - 1,000 Adjustment for increase (decrease) in market value of assets held in trust for deferred compensation - 493 609 (1,657) 710 562 187 Non-interest expense - as adjusted 131,155 151,725 178,575 185,047 215,190 258,214 65,677 Other income 57,822 64,376 83,528 80,393 127,154 185,756 29,143 Less net gains (losses) on securities available for sale (2,077) (445) (3,744) 1,130 14,029 18,648 (3) Less net gains (losses on sale of other assets 20 860 10,097 (1,104) (13) 630 357 Less net gains (losses) on other real estate 268 222 140 455 (429) (9,284) (372) Less acquisition related gains - - - - 28,547 62,649 - Less increase (decrease) in market value of assets held in trust for deferred compensation - 493 609 (1,657) 710 562 187 Other income - as adjusted 59,611 63,246 76,426 81,569 84,310 112,551 28,974 Net non-interest expense 71,544 $ 88,479 $ 102,149 $ 103,478 $ 130,880 $ 145,663 $ 36,703 $ Average assets 5,518,137 6,602,070 7,910,610 8,240,344 9,777,288 10,506,028 10,198,626 Net non-interest expense to average assets 1.30% 1.34% 1.29% 1.26% 1.34% 1.39% 1.46% |