Release Details

THE WOODLANDS, Texas, July 6 /PRNewswire-FirstCall/ -- Newpark Resources, Inc. (NYSE: NR) announced today that it will release its second quarter 2009 results on Thursday, July 30, 2009 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, July 31, 2009 at 10:00 a.m. Eastern / 9:00 a.m. Central.

    What:   Newpark Resources Second Quarter 2009 Earnings Conference Call

    When:   Friday, July 31, 2009 at 10:00 a.m. Eastern / 9:00 a.m. Central

    How:    Live via phone -- By dialing 480-629-9867 and asking for the
            Newpark Resources call at least 10 minutes prior to 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 August 7, 2009 and may be accessed by dialing (303) 590-3030 and using pass code 4110135#. 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.

CONTACT: James E. Braun, CFO of Newpark Resources, Inc., +1-281-362-6800; or Ken Dennard, Managing Partner of Dennard Rupp Gray & Easterly, LLC, +1-713-529-6600, ksdennard@drg-e.com, for Newpark Resources, Inc.

Web Site: http://www.newpark.com /