Release Details

THE WOODLANDS, Texas, Sept 16, 2010 /PRNewswire via COMTEX/ --

Newpark Resources, Inc. (NYSE: NR) announced today that it will release its third quarter 2010 results on Thursday, October 28, 2010 after the market closes. In conjunction with the release, the Company has scheduled a conference call, which will be broadcast live over the Internet, for Friday, October 29, 2010 at 10:00 a.m. Eastern / 9:00 a.m. Central.

                Newpark Resources Third Quarter 2010 Earnings Conference
    What:       Call
                Friday, October 29, 2010 at 10:00 a.m. Eastern /9:00
    When:       a.m. Central
                Live via phone --By dialing 480-629-9724 and asking for
                the Newpark Resources call at least 10 minutes prior to
    How:        the start time, or
                Live over the Internet --By logging onto the web at the
                address below

    Where:     http://www.newpark.com

For those who cannot listen to the live call, a replay will be available through November 5, 2010 and may be accessed by dialing (303) 590-3030 and using pass code 4366142#. Also, an archive of the webcast will be available shortly after the call at www.newpark.com for 90 days.

Newpark Resources, Inc. is a worldwide provider of drilling fluids, temporary worksites and access roads for oilfield and other commercial markets, and environmental waste treatment solutions. For more information, visit our website at www.newpark.com.

    Contacts:        James E. Braun, CFO
                     Newpark Resources, Inc.
                     281-362-6800

                     Ken Dennard, Managing Partner
                     Dennard Rupp Gray & Easterly, LLC
                     ksdennard@drg-e.com
                     713-529-6600

SOURCE Newpark Resources, Inc.