| Date | Event |
| 11-Nov-09 | Coverage initiated on Patterson-UTI by Canaccord Adams |
| 29-Oct-09 | Patterson-UTI Energy, Inc. Earnings Call scheduled for 10:00 am ET today |
| 29-Oct-09 | PATTERSON UTI ENERGY INC Files SEC form 8-K, Results of Operations and Financial Condition, Financial Statements and |
| 15-Oct-09 | Price hit new 52-week high ($17.74) |
| 12-Oct-09 | Price hit new 52-week high ($17.33) |
| 8-Oct-09 | Price hit new 52-week high ($16.66) |
| 11-Sep-09 | Ex-Date for dividend payment of $0.05 |
| 4-Aug-09 | PATTERSON UTI ENERGY INC Files SEC form 10-Q, Quarterly Report |
| 30-Jul-09 | Patterson-UTI Energy, Inc. Earnings Call scheduled for 10:00 am ET today |
| 30-Jul-09 | PATTERSON UTI ENERGY INC Files SEC form 8-K, Results of Operations and Financial Condition, Financial Statements and |
| 11-Jun-09 | Ex-Date for dividend payment of $0.05 |
| 4-May-09 | PATTERSON UTI ENERGY INC Files SEC form 10-Q, Quarterly Report |
| 30-Apr-09 | PATTERSON UTI ENERGY INC Files SEC form 8-K, Results of Operations and Financial Condition, Financial Statements and |
| 25-Mar-09 | PATTERSON UTI ENERGY INC Files SEC form 8-K, Entry into a Material Definitive Agreement, Financial Statements and Exh |
| 6-Mar-09 | Price hit new 52-week low ($7.49) |
| 3-Mar-09 | Price hit new 52-week low ($7.63) |
| 2-Mar-09 | Price hit new 52-week low ($7.64) |
| 19-Feb-09 | PATTERSON UTI ENERGY INC Files SEC form 10-K, Annual Report |
| 12-Feb-09 | PATTERSON UTI ENERGY INC Files SEC form 8-K, Results of Operations and Financial Condition, Financial Statements and |
| 3-Nov-08 | PATTERSON UTI ENERGY INC Files SEC form 10-Q, Quarterly Report |
| 30-Oct-08 | PATTERSON UTI ENERGY INC Files SEC form 8-K, Results of Operations and Financial Condition, Financial Statements and |