Release Details

THE WOODLANDS, Texas, March 24, 2008 /PRNewswire-FirstCall via COMTEX News Network/ -- Newpark Resources, Inc. (NYSE: NR) announced today that it will release its first quarter 2008 results on Thursday, May 1, 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, May 2, 2008 at 10:00 a.m. Eastern / 9:00 a.m. Central.

    What:  Newpark Resources First Quarter 2008 Earnings Conference Call
    When:  Friday, May 2, 2008 at 10:00 a.m. Eastern / 9:00 a.m. Central
    How:   Live via phone -- By dialing 303-262-2130 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 May 9, 2008 and may be accessed by dialing (303) 590-3000 and using pass code 11111119#. 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.

http://www.newpark.com