| Number of warrants |
| Weighted average exercise price |
|
|
|
|
Balance, February 28, 2011 | 6,000,000 |
| 0.15 |
|
|
|
|
Expired | (6,000,000) |
| 0.15 |
|
|
|
|
Balance, February 29, 2012 and February 28, 2013 | 0 |
| |