National Oilwell Varco Announces Fourth Quarter and 2011 Earnings Conference Call

National Oilwell Varco, Inc. NOV has scheduled a conference call to discuss fourth quarter and 2011 earnings on Thursday, February 2, 2012 at 8:00 a.m. Central Time. Financial results for the fourth quarter and full year ending on December 31, 2011 are expected to be released that morning before the market opens.

The call will be broadcast through the Investor Relations link on National Oilwell Varco's web site at www.nov.com, and a replay will be available on the site for thirty days following the conference. Participants may also join the conference call by dialing 1-800-447-0521 within North America or 1-847-413-3238 outside of North America five to ten minutes prior to the scheduled start time, and ask for the “National Oilwell Varco Earnings Conference Call.”

National Oilwell Varco is a worldwide leader in the design, manufacture and sale of equipment and components used in oil and gas drilling and production operations, the provision of oilfield services, and supply chain integration services to the upstream oil and gas industry.