| Date | Price/lb. | Rolling Average |
|---|---|---|
| 5/3/2010 | $3.2785 | |
| 5/4/2010 | $3.1645 | $3.2215 |
| 5/5/2010 | $3.1380 | $3.1937 |
| 5/6/2010 | $3.1035 | $3.1711 |
| 5/7/2010 | $3.1310 | $3.1631 |
| 5/10/2010 | $3.2150 | $3.1718 |
| 5/11/2010 | $3.1940 | $3.1749 |
| 5/12/2010 | $3.1760 | $3.1751 |
| 5/13/2010 | $3.2195 | $3.1800 |
| 5/14/2010 | $3.1230 | $3.1743 |
| 5/17/2010 | $2.9230 | $3.1515 |
| 5/18/2010 | $3.0225 | $3.1407 |
| 5/19/2010 | $2.9500 | $3.1260 |
| 5/20/2010 | $2.9355 | $3.1124 |
| 5/21/2010 | $3.0515 | $3.1084 |
| 5/24/2010 | $3.1365 | $3.1101 |
| 5/25/2010 | $3.0335 | $3.1056 |
| 5/26/2010 | $3.0735 | $3.1038 |
| 5/27/2010 | $3.1515 | $3.1063 |
| 5/28/2010 | $3.0970 | $3.1059 |