| Date Filed | Type | Description |
| 05/10/2011 |
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| Bronco Drilling Company, Inc. Announces Monthly Operating Results |
| 05/06/2011 |
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| Bronco Drilling Company, Inc. Announces First Quarter 2011 Results |
| 04/18/2011 |
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| Law Office of Brodsky & Smith, LLC Announces Investigation of Bronco Drilling, Inc. |
| 04/18/2011 |
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| Law Offices of Howard G. Smith Announces Investigation On Behalf of Shareholders of Bronco Drilling Company in Connection with the Proposed Acquisition of the Company by Chesapeake Energy Corp. |
| 04/18/2011 |
BW
| Ryan & Maniskas, LLP Announces Investigation of Bronco Drilling Company, Inc. |
| 04/18/2011 |
BW
| Buyout of Bronco Drilling Company Prompts Shareholder Investigation by Goldfarb Branham Law Firm LLP |
| 04/18/2011 |
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| Law Firm Goldfarb Branham LLP Announces Shareholder Investigation of Bronco Drilling Company Buyout |
| 04/15/2011 |
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| Robbins Umeda LLP Is Investigating Bronco Drilling Company, Inc. Acquisition for Shareholders |
| 04/15/2011 |
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| Faruqi & Faruqi, LLP Announces Shareholder Investigation Related to the Acquisition of Bronco Drilling Company, Inc. - BRNC |
| 04/15/2011 |
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| The Law Firm of Weiss & Lurie Investigates the Acquisition of Bronco Drilling Company, Inc. |
| 04/15/2011 |
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| Finkelstein Thompson LLP Announces Investigation of Bronco Drilling Company, Inc. |
| 04/15/2011 |
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| Briscoe Law Firm Investigates Bronco Drilling Company, Inc. for Shareholders Concerning Acquisition by Chesapeake Energy Corporation |
| 04/15/2011 |
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| Kendall Law Group Investigates Bronco Drilling Company, Inc. Acquisition for Shareholders |
| 04/08/2011 |
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| Bronco Drilling Company, Inc. Announces Monthly Operating Results |
| 03/10/2011 |
BW
| Bronco Drilling Company, Inc. Announces Monthly Operating Results |
| 03/04/2011 |
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| Bronco Drilling Company, Inc. Announces Fourth Quarter and Fiscal Year 2010 Results |
| 02/11/2011 |
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| Bronco Drilling Company, Inc. Announces Monthly Operating Results |
| 12/09/2010 |
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| Bronco Drilling Company, Inc. Announces Monthly Operating Results |
| 11/10/2010 |
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| Bronco Drilling Company, Inc. Announces Monthly Operating Results |
| 11/04/2010 |
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| Bronco Drilling Company, Inc. Announces Third Quarter Results |
| 10/15/2010 |
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| Bronco Drilling Company Third Quarter 2010 Earnings Conference Call |
| 10/12/2010 |
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| Bronco Drilling Company, Inc. Announces Monthly Operating Results |
| 09/24/2010 |
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| Bronco Drilling Company, Inc. Announces Date of Annual Stockholders' Meeting |
| 09/10/2010 |
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| Bronco Drilling Company, Inc. Announces Monthly Operating Results |
| 08/10/2010 |
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| Bronco Drilling Company, Inc. Announces Monthly Operating Results |
| 07/21/2010 |
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| Bronco Drilling Company Second Quarter 2010 Earnings Conference Call |
| 07/09/2010 |
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| Bronco Drilling Company, Inc. Announces Monthly Operating Results |
| 06/10/2010 |
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| Bronco Drilling Company, Inc. Announces Monthly Operating Results |
| 05/10/2010 |
BW
| Bronco Drilling Company, Inc. Announces Monthly Operating Results |
| 04/20/2010 |
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| Bronco Drilling Company First Quarter 2010 Earnings Conference Call |
| 03/10/2010 |
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| Bronco Drilling Company, Inc. Announces Monthly Operating Results |
| 03/09/2010 |
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| Bronco Drilling Company, Inc. Announces Fourth Quarter and Fiscal Year 2009 Results |
| 03/09/2010 |
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| Bronco Drilling Company, Inc. Announces Fourth Quarter and Fiscal Year 2009 Results |
| 02/23/2010 |
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| Bronco Drilling Company Fourth Quarter 2009 Earnings Conference Call |