ADVISORY/Landmark Graphics Hosts Houston City Forum; Combining Creative, Team-Based Workflows With Advances in State-of-the-Art Technology.

News & Energy Editors/High-Tech Writers

ADVISORY...for Wednesday (April 3)

--(BUSINESS WIRE)

WHAT:  -- How does the oil and gas industry keep up with all the
          external factors while continuing to keep pace with energy
          demands?

          The Landmark City Forum agenda will include keynote
          speakers, technical presentations and case studies presented
          by customers and consultants, as well as demonstrations and
          presentations by Landmark, Halliburton, Magic Earth,
          GeoGraphix and our strategic partners. The focus will
          provide opportunities to discover ways that improve teamwork
          and efficiency through innovative uses of technology.

       -- Landmark Graphics, a wholly owned business unit of
          Halliburton Company (NYSE:HAL), is the leading supplier of
          software and services for the upstream oil and gas industry.
          The company's software solutions span exploration,
          production, drilling, business decision analysis and data
          management. Landmark offers a broad range of consulting
          services that enable customers to optimize their technical,
          business and decision processes.

WHO:      Landmark Executives, Product Managers and partner companies

          Client Success stories from:
            Anadarko Petroleum, bp, El Paso Corporation, El Paso
            Production Company, Enterprise Oil, Kerr-McGee, Marathon
            Oil, Ocean Energy, Pioneer Natural Resources and Shell
            Exploration and Production

WHEN:  -- Wednesday April 3rd and Thursday April 4th
          8 a.m. - 6 p.m.

WHERE: -- Inter-Continental Hotel
          2222 West Loop South
          Houston, TX 77027
          713/850-2800