| Filed On | Filing |
|---|---|
| 25 Nov 2019 | DEFA14A |
| 21 Oct 2019 | 8-K |
| 02 May 2018 | DEFA14A |
| 30 Mar 2018 | DEFA14A |
| 30 Mar 2017 | DEFA14A |
| 31 Mar 2016 | DEFA14A |
| 27 Mar 2015 | DEFA14A |
| 08 Apr 2014 | DEFA14A |
| 21 Mar 2014 | DEFA14A |
| 28 Mar 2013 | DEFINITIVE ADDITIONAL MATERIALS |
| 25 Mar 2011 | DEFA14A |
| 16 Mar 2010 | DEFA14A |
| 12 Mar 2009 | DEFA14A |
| 24 Mar 2006 | PARKER DRILLING COMPANY - ADDITIONAL MATERIAL |
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