| Schedule of Warrants outstanding and exercisable by price range |
| | Outstanding Warrants | | Exercisable Warrants | | | Exercise Price | | Number | | Average Weighted Remaining Contractual Life in Years | | Exercise Price | | Number | | Weighted Average Exercise Price | | | | | | | | | | | | | | | $ | 0.05 | | 1,250,000 | | 2.20 | $ | 0.05 | | 1,250,000 | $ | 0.05 | | | 0.06 | | 16,050,000 | | 3.10 | | 0.06 | | 16,050,000 | | 0.06 | | | 0.07 | | 3,000,000 | | 3.20 | | 0.07 | | 3,000,000 | | 0.07 | | | 0.08 | | 34,612,227 | | 2.50 | | 0.08 | | 34,612,227 | | 0.08 | | | 0.09 | | 775,000 | | 2.03 | | 0.09 | | 775,000 | | 0.09 | | | 0.10 | | 134,855,062 | | 3.70 | | 0.10 | | 134,855,062 | | 0.10 | | | 0.11 | | 2,204,795 | | 3.92 | | 0.11 | | 2,204,795 | | 0.11 | | | 0.12 | | 100,000 | | 2.62 | | 0.12 | | 100,000 | | 0.12 | | | 0.14 | | 2,600,000 | | 4.17 | | 0.14 | | 2,600,000 | | 0.14 | | | 0.15 | | 1,356,667 | | 0.20 | | 0.15 | | 1,363,927 | | 0.15 | | | | | 196,803,751 | | 3.40 | | | | 196,803,751 | $ | 0.09 |
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