| Date | Name | Symbol | Type | Security | Shares | Price | Value | Ownership | Reported |
| 09/20/2012 | Pinnacle Summer Investments, Inc. | EF | Other (disposition) | Common Stock | 951.5k | $8.85 | $8.4M | | 09/20/2012 |
| 09/20/2012 | Pinnacle Summer Investments, Inc. | EF | Other (disposition) | Common Stock | 1M | $8.85 | $9.2M | | 09/20/2012 |
| 09/20/2012 | Pinnacle Summer Investments, Inc. | EF | Disposition | | 33k | $0.00 | $0 | | 09/20/2012 |
| 09/20/2012 | Pinnacle Summer Investments, Inc. | EF | Disposition | | 51.7k | $0.00 | $0 | | 09/20/2012 |
| 09/20/2012 | Pinnacle Summer Investments, Inc. | EF | Other (disposition) | Common Stock | 52.2k | $8.85 | $461.7k | By trust | 09/20/2012 |
| 03/15/2012 | Pinnacle Summer Investments, Inc. | EF | Exercise | Restricted Stock Units | 17.2k | $0.00 | $0 | | 03/15/2012 |
| 03/15/2012 | Pinnacle Summer Investments, Inc. | EF | Grant | Restricted Stock Units | 69k | $0.00 | $0 | | 03/15/2012 |
| 03/15/2012 | Pinnacle Summer Investments, Inc. | EF | Exercise | Common Stock | 17.2k | $6.93 | $119.5k | | 03/15/2012 |
| 03/15/2012 | Pinnacle Summer Investments, Inc. | EF | Exercise | Restricted Stock Units | 17.2k | $0.00 | $0 | | 03/15/2012 |
| 03/15/2012 | Pinnacle Summer Investments, Inc. | EF | Grant | Restricted Stock Units | 69k | $0.00 | $0 | | 03/15/2012 |
| 03/15/2012 | Pinnacle Summer Investments, Inc. | EF | Exercise | Common Stock | 17.2k | $6.93 | $119.5k | | 03/15/2012 |
| 03/07/2012 | Pinnacle Summer Investments, Inc. | EF | Exercise | Restricted Stock Units | 16.5k | $6.22 | $102.7k | | 03/07/2012 |
| 03/07/2012 | Pinnacle Summer Investments, Inc. | EF | Exercise | Restricted Stock Units | 16.5k | $6.22 | $102.7k | | 05/26/2011 |
| 05/26/2011 | Pinnacle Summer Investments, Inc. | EF | Purchase | Common Stock | 1000 | $7.90 | $7.9k | | 05/26/2011 |
| 03/07/2011 | Pinnacle Summer Investments, Inc. | EF | Grant | Restricted Stock Units | 66k | $0.00 | $0 | | 05/26/2011 |
| 03/07/2011 | Pinnacle Summer Investments, Inc. | EF | Grant | Common Stock | 16.5k | $6.98 | $115.2k | | 05/26/2011 |
| 03/07/2011 | Pinnacle Summer Investments, Inc. | EF | Exercise | Restricted Stock Units | 16.5k | $0.00 | $0 | | 05/26/2011 |
| 01/07/2010 | Pinnacle Summer Investments, Inc. | EF | Other (disposition) | Common Stock | 30k | $5.44 | $163.2k | | 01/07/2010 |
| 01/07/2010 | Pinnacle Summer Investments, Inc. | EF | Exercise (in-the-money or at-the-money) | Option (right to buy) | 30k | $4.44 | $133.1k | | 01/07/2010 |
| 11/01/2004 | Pinnacle Summer Investments, Inc. | EF | Other (disposition) | Common Stock | 250k | $0.00 | $0 | By Sanders II Investments, Ltd. | 11/03/2004 |
| 07/09/2004 | WASTE SERVICES, INC. | WSII | Other (disposition) | Warrants (right to acquire) | 408 | $0.00 | $0 | By Lakefront Partners Ltd. | 07/09/2004 |
| 07/09/2004 | WASTE SERVICES, INC. | WSII | Other (disposition) | Common Stock | 2.2k | $0.00 | $0 | By Lakefront Partners Ltd. | 07/09/2004 |
| 04/20/2004 | Pinnacle Summer Investments, Inc. | EF | Sale | Common Stock | 50k | $12.00 | $600k | | 11/03/2004 |
| 04/20/2004 | Pinnacle Summer Investments, Inc. | EF | Sale | common | 50k | $12.00 | $600k | | 04/20/2004 |