Release Details

THE WOODLANDS, Texas, Sept. 8 /PRNewswire-FirstCall/ -- Newpark Resources, Inc. (NYSE: NR) announced today that it will release its 2008 third quarter results on Thursday, October 30, 2008 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 31, 2008 at 10:00 a.m. Eastern / 9:00 a.m. Central.

    What:   Newpark Resources Third Quarter 2008 Earnings Conference Call
    When:   Friday, October 31, 2008 at 10:00 a.m. Eastern / 9:00 a.m. Central
    How:    Live via phone -- By dialing 303-262-2137 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 November 7, 2008 and may be accessed by dialing (303) 590-3000 and using pass code 11119474#. Also, an archive of the webcast will be available shortly after the call at http://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 http://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 /