| INSIDER TRANSACTIONS REPORTED - LAST TWO YEARS |
| Date | Insider | Shares | Type | Transaction | Value* | | 24-Nov-09 | DOVE TIMOTHY L Officer | 350 | Direct | Purchase at $20.50 per share. | $7,175 | | 23-Nov-09 | GOBE PHILLIP A Director | 10,000 | Direct | Purchase at $20.69 - $20.74 per share. | $207,0002 | | 16-Jun-09 | BERG MARK STEPHEN Officer | 5,000 | Direct | Sale at $19.01 - $19.23 per share. | $96,0002 | | 11-Jun-09 | GOBE PHILLIP A Director | 4,374 | Direct | Acquisition (Non Open Market) at $0 per share. | N/A | | 11-Jun-09 | GOBE PHILLIP A Director | N/A | Direct | Statement of Ownership | N/A | | 14-May-09 | MITCHELL ROYCE Director | 2,845 | Direct | Acquisition (Non Open Market) at $0 per share. | N/A | | 14-May-09 | SMITH ARTHUR L Director | 2,845 | Direct | Acquisition (Non Open Market) at $0 per share. | N/A | | 14-May-09 | GOSULE ALAN L Director | 2,845 | Direct | Acquisition (Non Open Market) at $0 per share. | N/A | | 18-Feb-09 | DOVE TIMOTHY L Officer | 228 | Direct | Purchase at $16.04 per share. | $3,657 | | 12-Dec-08 | BERG MARK STEPHEN Officer | 6,426 | Direct | Purchase at $11.67 - $11.74 per share. | $75,0002 | | 2-Dec-08 | SMITH ARTHUR L Director | 200 | Direct | Sale at $14.46 per share. | $2,892 | | 1-Dec-08 | SMITH ARTHUR L Director | 9,800 | Direct | Sale at $14.46 - $14.56 per share. | $142,0002 | | 14-Nov-08 | DOVE TIMOTHY L Officer | 300 | Direct | Purchase at $12.50 per share. | $3,750 | | 29-May-08 | HALL FRANK W. Officer | 500 | Direct | Statement of Ownership | N/A | | 6-May-08 | HANNES WILLIAM F Officer | 7,500 | Direct | Purchase at $19 per share. | $142,500 | | 6-May-08 | CHEATWOOD CHRIS J Officer | 5,000 | Direct | Purchase at $19 per share. | $95,000 | | 6-May-08 | MITCHELL ROYCE Director | 4,210 | Direct | Acquisition (Non Open Market) at $0 per share. | N/A | | 6-May-08 | BERG MARK STEPHEN Officer | 10,000 | Direct | Purchase at $19 per share. | $190,000 | | 6-May-08 | DOVE TIMOTHY L Officer | 7,000 | Direct | Purchase at $19 per share. | $133,000 | | 6-May-08 | DEALY RICHARD P Officer | 20,000 | Direct | Purchase at $19 per share. | $380,000 | | 6-May-08 | SMITH ARTHUR L Director | 4,210 | Direct | Acquisition (Non Open Market) at $0 per share. | N/A | | 6-May-08 | SMITH ARTHUR L Director | 10,000 | Direct | Purchase at $19 per share. | $190,000 | | 6-May-08 | SHEFFIELD SCOTT D Officer | 12,000 | Direct | Purchase at $19 per share. | $228,000 | | 6-May-08 | GOSULE ALAN L Director | 4,210 | Direct | Acquisition (Non Open Market) at $0 per share. | N/A | | 6-May-08 | GOSULE ALAN L Director | 1,500 | Direct | Purchase at $19 per share. | $28,500 | | 6-May-08 | PIONEER NATURAL RESOURCES CO Beneficial Owner (10% or more) | 20,521,200 | Indirect | Purchase at $19 per share. | $389,902,800 | | 29-Apr-08 | PIONEER NATURAL RESOURCES GP LLC Other | N/A | Direct | Statement of Ownership | N/A | | 29-Apr-08 | HANNES WILLIAM F Officer | N/A | Direct | Statement of Ownership | N/A | | 29-Apr-08 | CHEATWOOD CHRIS J Officer | N/A | Direct | Statement of Ownership | N/A | | 29-Apr-08 | MITCHELL ROYCE Director | N/A | Direct | Statement of Ownership | N/A | | 29-Apr-08 | BERG MARK STEPHEN Officer | N/A | Direct | Statement of Ownership | N/A | | 29-Apr-08 | KELLUM DANNY L Officer | N/A | Direct | Statement of Ownership | N/A | | 29-Apr-08 | DOVE TIMOTHY L Officer | N/A | Direct | Statement of Ownership | N/A | | 29-Apr-08 | DEALY RICHARD P Officer | N/A | Direct | Statement of Ownership | N/A | | 29-Apr-08 | SMITH ARTHUR L Director | N/A | Direct | Statement of Ownership | N/A | | 29-Apr-08 | SHEFFIELD SCOTT D Officer | N/A | Direct | Statement of Ownership | N/A | | 29-Apr-08 | GOSULE ALAN L Director | N/A | Direct | Statement of Ownership | N/A | | 29-Apr-08 | PIONEER NATURAL RESOURCES CO Other | N/A | Direct | Statement of Ownership | N/A |
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* = Where indicated, some values are estimates. 1 = Potential proceeds estimated by the filer. 2 = Estimated based on the average of multiple prices reported. 3 = Multiple dates reported. Most recent date shown. |
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