| Date | Price/lb. | Rolling Average |
|---|---|---|
| 5/1/2008 | $3.7255 | |
| 5/2/2008 | $3.8580 | $3.7918 |
| 5/5/2008 | $3.9785 | $3.8540 |
| 5/6/2008 | $3.9125 | $3.8686 |
| 5/7/2008 | $3.8630 | $3.8675 |
| 5/8/2008 | $3.8205 | $3.8597 |
| 5/9/2008 | $3.7535 | $3.8445 |
| 5/12/2008 | $3.7840 | $3.8369 |
| 5/13/2008 | $3.7650 | $3.8289 |
| 5/14/2008 | $3.7070 | $3.8168 |
| 5/15/2008 | $3.7610 | $3.8117 |
| 5/16/2008 | $3.8465 | $3.8146 |
| 5/19/2008 | $3.7955 | $3.8131 |
| 5/20/2008 | $3.7905 | $3.8115 |
| 5/21/2008 | $3.7535 | $3.8076 |
| 5/22/2008 | $3.7225 | $3.8023 |
| 5/23/2008 | $3.7550 | $3.7995 |
| 5/27/2008 | $3.7410 | $3.7963 |
| 5/28/2008 | $3.7285 | $3.7927 |
| 5/29/2008 | $3.5690 | $3.7815 |
| 5/30/2008 | $3.6280 | $3.7742 |