 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
|  | Three Months Ended |  | Twelve Months Ended |
|  | December 31 2005 |  | September 30 2005 |  | December 31 2004 |  | December 31 2005 |  | December 31 2004 |
SELECTED NON-GAAP MEASURES 1 |  | | | |  | | | |  | | | |  | | | |  | | | |
Net income |  | $ | 518,471 | |  | $ | 510,774 | |  | $ | 455,729 | |  | $ | 1,987,239 | |  | $ | 1,572,901 | |
Merger expense, net of tax |  | | 4,053 | |  | | 7,505 | |  | | 18,461 | |  | | 61,158 | |  | | 18,461 | |
Net income excluding merger expense |  | | 522,524 | |  | | 518,279 | |  | | 474,190 | |  | | 2,048,397 | |  | | 1,591,362 | |
Net gain on sale of RCM assets, net of tax |  | | — | |  | | (2,175 | ) |  | | — | |  | | (14,497 | ) |  | | — | |
Net income excluding merger expense and net gain on sale of RCM assets |  | $ | 522,524 | |  | $ | 516,104 | |  | $ | 474,190 | |  | $ | 2,033,900 | |  | $ | 1,591,362 | |
Diluted earnings per share |  | $ | 1.43 | |  | $ | 1.40 | |  | $ | 1.26 | |  | $ | 5.47 | |  | $ | 5.19 | |
Impact of excluding merger expense |  | | 0.01 | |  | | 0.02 | |  | | 0.05 | |  | | 0.17 | |  | | 0.06 | |
Diluted earnings per share excluding merger expense |  | | 1.44 | |  | | 1.42 | |  | | 1.31 | |  | | 5.64 | |  | | 5.25 | |
Impact of net gain on sale of RCM assets |  | | — | |  | | — | |  | | — | |  | | (0.04 | ) |  | | — | |
Diluted earnings per share excluding merger expense and net gain on sale of RCM assets |  | $ | 1.44 | |  | $ | 1.42 | |  | $ | 1.31 | |  | $ | 5.60 | |  | $ | 5.25 | |
Total revenue – FTE |  | $ | 2,004,984 | |  | $ | 2,008,140 | |  | $ | 1,859,891 | |  | $ | 7,809,502 | |  | $ | 6,347,999 | |
Securities (gains)/losses |  | | (600 | ) |  | | 2,069 | |  | | 19,377 | |  | | 7,155 | |  | | 41,691 | |
Net gain on sale of RCM assets |  | | — | |  | | (3,508 | ) |  | | — | |  | | (23,382 | ) |  | | — | |
Total revenue excluding securities (gains)/losses and net gain on sale of RCM assets |  | $ | 2,004,384 | |  | $ | 2,006,701 | |  | $ | 1,879,268 | |  | $ | 7,793,275 | |  | $ | 6,389,690 | |
Noninterest income |  | $ | 797,923 | |  | $ | 832,398 | |  | $ | 759,003 | |  | $ | 3,155,044 | |  | $ | 2,604,446 | |
Net gain on sale of RCM assets |  | | — | |  | | (3,508 | ) |  | | — | |  | | (23,382 | ) |  | | — | |
Noninterest income excluding net gain on sale of RCM assets |  | $ | 797,923 | |  | $ | 828,890 | |  | $ | 759,003 | |  | $ | 3,131,662 | |  | $ | 2,604,446 | |
Noninterest expense |  | $ | 1,206,927 | |  | $ | 1,177,071 | |  | $ | 1,148,992 | |  | $ | 4,690,729 | |  | $ | 3,897,038 | |
Merger expense |  | | (6,538 | ) |  | | (12,104 | ) |  | | (28,401 | ) |  | | (98,642 | ) |  | | (28,401 | ) |
Noninterest expense excluding merger expense |  | $ | 1,200,389 | |  | $ | 1,164,967 | |  | $ | 1,120,591 | |  | $ | 4,592,087 | |  | $ | 3,868,637 | |
Noninterest expense |  | $ | 1,206,927 | |  | $ | 1,177,071 | |  | $ | 1,148,992 | |  | $ | 4,690,729 | |  | $ | 3,897,038 | |
Amortization of intangible assets |  | | (28,192 | ) |  | | (29,737 | ) |  | | (31,759 | ) |  | | (118,964 | ) |  | | (77,582 | ) |
Noninterest expense excluding amortization of intangible assets |  | $ | 1,178,735 | |  | $ | 1,147,334 | |  | $ | 1,117,233 | |  | $ | 4,571,765 | |  | $ | 3,819,456 | |
Return on average total assets |  | | 1.17 | % |  | | 1.19 | % |  | | 1.16 | % |  | | 1.18 | % |  | | 1.18 | % |
Impact of excluding merger expense |  | | 0.01 | |  | | 0.02 | |  | | 0.04 | |  | | 0.04 | |  | | 0.01 | |
Return on average total assets excluding merger expense 2 |  | | 1.18 | % |  | | 1.21 | % |  | | 1.20 | % |  | | 1.22 | % |  | | 1.19 | % |
Return on average total shareholders' equity |  | | 12.19 | % |  | | 12.05 | % |  | | 11.46 | % |  | | 12.02 | % |  | | 13.71 | % |
Impact of excluding merger expense |  | | 0.09 | |  | | 0.17 | |  | | 0.47 | |  | | 0.37 | |  | | 0.16 | |
Return on average total shareholders' equity excluding merger expense 3 |  | | 12.28 | % |  | | 12.22 | % |  | | 11.93 | % |  | | 12.39 | % |  | | 13.87 | % |
Efficiency ratio4 |  | | 60.20 | % |  | | 58.62 | % |  | | 61.78 | % |  | | 60.06 | % |  | | 61.39 | % |
Impact of excluding merger expense |  | | (0.33 | ) |  | | (0.61 | ) |  | | (1.53 | ) |  | | (1.26 | ) |  | | (0.45 | ) |
Efficiency ratio excluding merger expense |  | | 59.87 | |  | | 58.01 | |  | | 60.25 | |  | | 58.80 | |  | | 60.94 | |
Impact of net gain on sale of RCM assets |  | | — | |  | | 0.10 | |  | | — | |  | | 0.15 | |  | | — | |
Efficiency ratio excluding merger expense and net gain on sale of RCM assets |  | | 59.87 | % |  | | 58.11 | % |  | | 60.25 | % |  | | 58.96 | % |  | | 60.94 | % |
Efficiency ratio4 |  | | 60.20 | % |  | | 58.62 | % |  | | 61.78 | % |  | | 60.06 | % |  | | 61.39 | % |
Impact of excluding amortization of intangible assets |  | | (1.41 | ) |  | | (1.49 | ) |  | | (1.71 | ) |  | | (1.52 | ) |  | | (1.22 | ) |
Tangible efficiency ratio5 |  | | 58.79 | % |  | | 57.13 | % |  | | 60.07 | % |  | | 58.54 | % |  | | 60.17 | % |
Tangible efficiency ratio5 |  | | 58.79 | % |  | | 57.13 | % |  | | 60.07 | % |  | | 58.54 | % |  | | 60.17 | % |
Impact of excluding merger expense |  | | (0.33 | ) |  | | (0.60 | ) |  | | (1.53 | ) |  | | (1.26 | ) |  | | (0.45 | ) |
Tangible efficiency ratio excluding merger expense |  | | 58.46 | |  | | 56.53 | |  | | 58.54 | |  | | 57.28 | |  | | 59.72 | |
Impact of net gain on sale of RCM assets |  | | — | |  | | 0.16 | |  | | — | |  | | 0.30 | |  | | — | |
Tangible efficiency ratio excluding merger expense and net gain on sale of RCM assets |  | | 58.46 | % |  | | 56.70 | % |  | | 58.54 | % |  | | 57.58 | % |  | | 59.72 | % |
 |