| Date | Name | Title | Type | Security | Shares | Price | Value | Ownership | Reported |
| 05/01/2013 | TPG Advisors VI, Inc. | 10% Owner | Conversion | Common Units | 14.9M | $0.00 | $0 | See Explanation of Responses | 05/01/2013 |
| 05/01/2013 | TPG Advisors VI, Inc. | 10% Owner | Disposition | Common Units | 14.9M | $0.00 | $0 | See Explanation of Responses | 05/01/2013 |
| 05/01/2013 | TPG Advisors VI, Inc. | 10% Owner | Conversion | Series A Convertible Preferred Units | 13.5M | $0.00 | $0 | See Explanation of Responses | 05/01/2013 |
| 05/01/2013 | GOODPASTURE JOHN N | SVP, Corporate Development | Payment of Exercise | Common Units | 3.9k | $40.21 | $156.3k | | 05/01/2013 |
| 05/01/2013 | GOODPASTURE JOHN N | SVP, Corporate Development | Disposition | Common Units | 34k | $0.00 | $0 | | 05/01/2013 |
| 05/01/2013 | GOODPASTURE JOHN N | SVP, Corporate Development | Exercise | Phantom Units | 1.8k | $0.00 | $0 | | 05/01/2013 |
| 05/01/2013 | GOODPASTURE JOHN N | SVP, Corporate Development | Exercise | Unit Appreciation Rights | 6.5k | $24.04 | $156.3k | | 05/01/2013 |
| 05/01/2013 | GOODPASTURE JOHN N | SVP, Corporate Development | Exercise | Phantom Units | 4.1k | $0.00 | $0 | | 05/01/2013 |
| 05/01/2013 | GOODPASTURE JOHN N | SVP, Corporate Development | Exercise | Phantom Units | 1.2k | $0.00 | $0 | | 05/01/2013 |
| 05/01/2013 | GOODPASTURE JOHN N | SVP, Corporate Development | Exercise | Phantom Units | 4.2k | $0.00 | $0 | | 05/01/2013 |
| 05/01/2013 | GOODPASTURE JOHN N | SVP, Corporate Development | Exercise | Phantom Units | 2.8k | $0.00 | $0 | | 05/01/2013 |
| 05/01/2013 | GOODPASTURE JOHN N | SVP, Corporate Development | Exercise | Phantom Units | 4.5k | $0.00 | $0 | | 05/01/2013 |
| 05/01/2013 | DANNER ERNIE L | Director | Disposition | Common Units | 34k | $0.00 | $0 | | 05/01/2013 |
| 05/01/2013 | THACKER WILLIAM L | Director | Disposition | Common Units | 40.6k | $0.00 | $0 | | 05/01/2013 |
| 05/01/2013 | PORTER T WILLIAM | Director | Disposition | Common Units | 30k | $0.00 | $0 | | 05/01/2013 |
| 05/01/2013 | ROBINSON SHARON J | | Payment of Exercise | Common Units | 2.5k | $40.21 | $101.4k | | 05/01/2013 |
| 05/01/2013 | ROBINSON SHARON J | | Disposition | Common Units | 91.4k | $0.00 | $0 | | 05/01/2013 |
| 05/01/2013 | ROBINSON SHARON J | | Exercise | Common Unit Option (Right to Buy) | 1.2k | $23.26 | $28.4k | | 05/01/2013 |
| 05/01/2013 | ROBINSON SHARON J | | Exercise | Phantom Units | 420 | $0.00 | $0 | | 05/01/2013 |
| 05/01/2013 | ROBINSON SHARON J | | Exercise | Phantom Units | 33k | $0.00 | $0 | | 05/01/2013 |
| 05/01/2013 | ROBINSON SHARON J | | Exercise | Phantom Units | 2.2k | $0.00 | $0 | | 05/01/2013 |
| 05/01/2013 | ROBINSON SHARON J | | Exercise | Unit Appreciation Rights | 4.8k | $15.09 | $73k | | 05/01/2013 |
| 05/01/2013 | ROBINSON SHARON J | | Exercise | Phantom Units | 4.7k | $0.00 | $0 | | 05/01/2013 |
| 05/01/2013 | ROBINSON SHARON J | | Exercise | Phantom Units | 1.4k | $0.00 | $0 | | 05/01/2013 |
| 05/01/2013 | ROBINSON SHARON J | | Exercise | Phantom Units | 5.6k | $0.00 | $0 | | 05/01/2013 |
| 05/01/2013 | ROBINSON SHARON J | | Exercise | Phantom Units | 3.7k | $0.00 | $0 | | 05/01/2013 |
| 05/01/2013 | ROBINSON SHARON J | | Exercise | Phantom Units | 6.6k | $0.00 | $0 | | 05/01/2013 |
| 05/01/2013 | MacDougall Michael G. | Director | Disposition | Common Units | 12k | $0.00 | $0 | | 05/01/2013 |
| 05/01/2013 | LAWING DOUGLAS L | EVP & General Counsel | Exercise | Phantom Units | 33k | $0.00 | $0 | | 05/01/2013 |
| 05/01/2013 | LAWING DOUGLAS L | EVP & General Counsel | Exercise | Phantom Units | 2.2k | $0.00 | $0 | | 05/01/2013 |
| 05/01/2013 | LAWING DOUGLAS L | EVP & General Counsel | Exercise | Unit Appreciation Rights | 4.8k | $15.09 | $71.8k | | 05/01/2013 |
| 05/01/2013 | LAWING DOUGLAS L | EVP & General Counsel | Exercise | Phantom Units | 4.5k | $0.00 | $0 | | 05/01/2013 |
| 05/01/2013 | LAWING DOUGLAS L | EVP & General Counsel | Exercise | Phantom Units | 1.3k | $0.00 | $0 | | 05/01/2013 |
| 05/01/2013 | LAWING DOUGLAS L | EVP & General Counsel | Exercise | Phantom Units | 5.4k | $0.00 | $0 | | 05/01/2013 |
| 05/01/2013 | LAWING DOUGLAS L | EVP & General Counsel | Exercise | Phantom Units | 3.6k | $0.00 | $0 | | 05/01/2013 |
|