| Schedule of Warrants outstanding and exercisable by price range |
| | Outstanding Warrants | | Exercisable Warrants | | | | | | | Average | | | | | | | | | | | | | Weighted | | | | | | Weighted | | | | | | | Remaining | | | | | | Average | | | Range of | | Number | | Contractual Life in Years | | Exercise Price | | Number | | Exercise Price | | | | | | | | | | | | | | | $ | 0.05 | | 1,250,000 | | 4.70 | $ | 0.05 | | 1,250,000 | $ | 0.05 | | | 0.06 | | 16,050,000 | | 4.59 | | 0.06 | | 16,050,000 | | 0.06 | | | 0.07 | | 3,000,000 | | 4.70 | | 0.07 | | 3,000,000 | | 0.07 | | | 0.08 | | 18,625,000 | | 3.99 | | 0.08 | | 18,625,000 | | 0.08 | | | 0.09 | | 809,110 | | 3.38 | | 0.09 | | 809,110 | | 0.09 | | | 0.10 | | 60,527,200 | | 4.64 | | 0.10 | | 60,527,200 | | 0.10 | | | 0.12 | | 50,000 | | 2.62 | | 0.12 | | 50,000 | | 0.12 | | | 0.14 | | 50,000 | | 1.62 | | 0.14 | | 50,000 | | 0.14 | | | 0.15 | | 1,376,941 | | 1.68 | | 0.15 | | 1,376,941 | | 0.15 | | | 0.17 | | 50,000 | | 1.25 | | 0.17 | | 50,000 | | 0.17 | | | 0.19 | | 50,000 | | 1.37 | | 0.19 | | 50,000 | | 0.19 | | | 0.22 | | 269,276 | | 1.75 | | 0.22 | | 269,276 | | 0.22 | | | 0.25 | | 707,000 | | 0.38 | | 0.25 | | 707,000 | | 0.25 | | | 0.30 | | 250,000 | | 0.92 | | 0.30 | | 250,000 | | 0.30 | | | 0.33 | | 250,000 | | 0.50 | | 0.33 | | 250,000 | | 0.33 | | | | | | | | | | | | | | | | | | 119,301,754 | | 4.34 | | | | 119,301,754 | $ | 0.09 |
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