|                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                       |   | Year Ended June 30, |       |
|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|--------|---------------------|------------|
|                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                       |   | 2011                |       |   | 2010 |   |   | 2009 |   |
|                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                       |   |                |       |   |   |   |   |   |   |
| Basic   Average shares outstanding                                                                                                                                       |   |                | 2,088,833  |   |   |   | 2,083,458 |   |   |   | 2,123,144 |   |
|    Net income                                                                                                                                                            |   | $                   | 11,470,031 |   |   | $ | 4,625,588 |   |   | $ | 3,835,077 |   |
|    Less: effective dividend on preferred shares                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             |   |                | 511,814    |   |   |   | 510,006 |   |   |   | 288,841 |   |
|    Net income available to common stockholders                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              |   | $                   | 10,958,217 |   |   | $ | 4,115,582 |   |   | $ | 3,546,236 |   |
|    Basic earnings per share available to common      stockholders                                                                          |   | $                   | 5.25       |   |   | $ | 1.98 |   |   | $ | 1.67 |   |
|                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                       |   |                |       |   |   |   |   |   |   |   |   |   |
| Diluted   Average shares outstanding                                                                                                                                     |   |                | 2,088,833  |   |   |   | 2,083,458 |   |   |   | 2,123,144 |   |
|    Net effect of dilutive stock options - based on the      treasury stock method using the period end market      price, if greater than average market price                                                                                                                                                                                                                                                                                                                  |   |                | 52,258     |   |   |   | 21,834 |   |   |   | 1,225 |   |
|        Total                                                                                                                                         |   |                | 2,141,091  |   |   |   | 2,105,292 |   |   |   | 2,124,369 |   |
|    Net income                                                                                                                                                            |   | $                   | 11,470,031 |   |   | $ | 4,625,588 |   |   | $ | 3,835,077 |   |
|    Less: effective dividend on preferred shares                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             |   |                | 511,814    |   |   |   | 510,006 |   |   |   | 288,841 |   |
|    Net income available to common stockholders                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              |   | $                   | 10,958,217 |   |   | $ | 4,115,582 |   |   | $ | 3,546,236 |   |
|    Diluted earnings per share available to common      stockholders                                                                        |   | $                   | 5.12       |   |   | $ | 1.95 |   |   | $ | 1.67 |   |
|                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                       |   |                |       |   |   |   |   |   |   |   |   |   |