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Guerrilla Capital Management, L.L.C.
> DSCI
| Date | Name | Ticker | Shares | Change | Value | Change | Price |
| 09/30/2012 | DERMA SCIENCES, INC. | DSCI | 17,293 | 0 | 180,000 | 15,000 | $10.41 |
| 06/30/2012 | DERMA SCIENCES, INC. | DSCI | 17,293 | 0 | 165,000 | -1,000 | $9.54 |
| 03/31/2012 | DERMA SCIENCES, INC. | DSCI | 17,293 | 5,498 | 166,000 | 74,000 | $9.60 |
| 12/31/2011 | DERMA SCIENCES, INC. | DSCI | 29,088 | 17,293 | 220,000 | 128,000 | $7.56 |
| 09/30/2011 | DERMA SCIENCES, INC. | DSCI | 11,795 | -19,293 | 92,000 | -194,000 | $7.80 |
| 06/30/2011 | DERMA SCIENCES, INC. | DSCI | 31,088 | 200 | 286,000 | -14,000 | $9.20 |
| 03/31/2011 | DERMA SCIENCES, INC. | DSCI | 30,888 | -12,486 | 300,000 | 96,000 | $9.71 |
| 12/31/2010 | DERMA SCIENCES, INC. | DSCI | 43,374 | 8,374 | 204,000 | 36,000 | $4.70 |
| 09/30/2010 | DERMA SCIENCES, INC. | DSCI | 35,000 | -18,205 | 168,000 | -88,000 | $4.80 |
| 06/30/2010 | DERMA SCIENCES, INC. | DSCI | 53,205 | 35,000 | 256,000 | 160,000 | $4.81 |
| 03/31/2010 | DERMA SCIENCES, INC. | DSCI | 18,205 | 18,205 | 96,000 | 96,000 | $5.27 |
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