A Stephen Wells

Insider Trading: Sales

Symbol	Price	Amount	Total Value	Remaining Holdings	Date	Form 4
OIS	$87.03	6,295	$547,853.85	34,665	2012-09-14	Filing
OIS	$78.33	5,000	$391,650.00	39,123	2012-03-30	Filing
OIS	$45.90	17,384	$797,925.60	39,044	2010-03-31	Filing