Pioneer Drilling Co. - 2011-11-21

The company has closed its previously announced private offering to eligible purchasers of an additional $175 million in aggregate principal amount of 9.875% senior unsecured notes due 2018. The Notes were issued at 101% of their principal amount, plus accrued interest from and including September 15, 2011 , providing estimated net proceeds to Pioneer, after fees and expenses, of approximately $172.6 million.