Parker Drilling Co. announced that Robert 'Bobby' L. Parker Jr. will retire as an employee of the company, effective December 31, 2013. Mr. Parker will continue to serve as Chairman of the company's board of directors until the annual meeting of stockholders to be held in 2014, at which time Gary G. Rich, the company's chief executive officer, will be nominated to serve in that role and Mr. Parker will be nominated to stand for re-election to the board for an additional three-year term.