| October 31 | 2006 | 2005 | 2004 |
| Subscriber base | 66,300 | 57,000 | 48,700 |
| $ | $ | $ | |
| Operations: | |||
| Total revenue | 20,964,877 | 17,227,494 | 14,393,779 |
| Gross margins | 16,458,835 | 13,538,797 | 11,073,375 |
| EBITDA** | 5,217,159 | 4,370,324 | 3,050,140 |
| Income before income taxes | 2,509,697 | 1,290,563 | 804,232 |
| Net income | 1,492,336 | 810,214 | 303,600 |
| Cash flow from operations | 4,945,232 | 3,518,787 | 4,238,574 |
| Earnings per share | 0.12 | 0.07 | 0.03 |
| Diluted earnings per share | 0.12 | 0.07 | 0.03 |
| Diluted EBITDA per share | 0.43 | 0.37 | 0.28 |
| Financial position: | |||
| Total assets | 23,880,550 | 20,389,283 | 20,716,830 |
| Shareholders’ equity | 15,521,703 | 13,678,912 | 12,782,338 |
| Debt/equity ratio** | 0.08 | 0.07 | 0.17 |
| Debt*** per subscriber account | 19 | 14 | 46 |
* Restated
**EBITDA (Earnings before interest, income taxes, depreciation and amortization) is a key performance measure
in the security industry and should not be interpreted as GAAP earnings.
*** Includes building loan and revolving term loans
