National Oilwell Varco Announces Fourth Quarter and 2012 Earnings Conference Call

  National Oilwell Varco Announces Fourth Quarter and 2012 Earnings Conference
  Call

Business Wire

HOUSTON -- November 26, 2012

National Oilwell Varco, Inc. (NYSE: NOV) has scheduled a conference call to
discuss fourth quarter and 2012 earnings on Friday, February 1, 2013 at 8:00
a.m. Central Time. Financial results for the fourth quarter and full year
ending on December 31, 2012 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 1-800-446-1671 within North America or
1-847-413-3362 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.

Contact:

National Oilwell Varco, Inc.
Clay Williams, (713) 346-7606