Press Release

WEYBRIDGE, England--(BUSINESS WIRE)--Nov. 2, 2000--GeoGraphix, a division of Landmark Graphics Corporation, a wholly owned business unit of the Halliburton Company (NYSE:HAL), today announced that it has increased the staff size of the Weybridge, England, office.

The increase is in response to the growing demand for the GeoGraphix suite of solutions and its rapidly expanding market throughout Europe, Africa and FSU.

Landmark Graphics President and CEO, John Gibson stated: "Many of the companies working in the maturing North Sea fields have found that the Landmark/GeoGraphix fit-for-purpose model is a way to expand their technological reach within their organizations by offering a combination UNIX and NT solution. In addition, many of the European majors' new ventures groups are seeking portable and scalable solutions. Together, Landmark and GeoGraphix can provide these capabilities."

The following GeoGraphix staff members, new to the Weybridge office, are:

• Colin Gray, Channel Development Manager. Colin is responsible for the marketing and support of GeoGraphix products and services throughout Europe, Russia, FSU and the Middle East via the Landmark sales, marketing and support organizations. Colin began his career as a geologist with Amoco for seven years. Since 1987, he has worked in various G & G product marketing roles.

• Bill Verkaik, Business Development Manager. Bill is responsible for the business development of GeoGraphix products and services throughout Europe and FSU. Bill formerly was responsible for GMA Europe for eight years before joining Landmark. He is an active member of the PESGB.

• Mike Burdett, Technical Sales Consultant. Mike's responsibilities involve software evaluations and demonstrations throughout Europe and FSU. He brings over ten years of experience, starting as a geophysicist with Spectrum EIT -- a seismic data processing company, processing both marine and land 2-D/3-D data. Mike later moved to GMA as sales geophysicist for EAME before joining GeoGraphix.

• John Robson, Consultant/Training Services. John's responsibilities include training, support and data loading. John previously worked for Landmark supporting the geophysical suite of software. He has a geology degree from the University of Leicester and a master's degree from the University of Southampton.

• Phil Longridge, Technical Consultant. Phil is responsible for providing technical support and consulting services on the GeoGraphix products. He brings over twelve years of petroleum industry experience, including four years at Landmark Graphics. Phil graduated from Sheffield University.

• Eric Marchand, Client Technical Support. Eric has a BSC from Universite du Quebec a Montreal and studied geophysics at the University of Calgary. He has worked at Atkin Geomack Consultancy using GeoGraphix software in a variety of international projects for four years.

Bob Stevenson, GeoGraphix' president, stated: "Our European expansion has created a solid sales, support and consulting infrastructure. The significant experience that this group brings will meet the increased demands of our rapidly expanding Europe, Middle East and FSU client base."

GeoGraphix has experienced a great deal of demand for the new GEOGRAPHIX DISCOVERY(TM), an integrated PC-based geological and geophysical interpretation solution for the petroleum geoscientist. GEOGRAPHIX DISCOVERY is a suite of geoscience applications built on a shared data management and common visualization foundation to provide dynamic integration between geological and geophysical data. By integrating geologic and seismic interpretations in a single workflow environment, users can utilize well data to constrain seismic data, and increase the reliability and robustness of their final interpretations.

GeoGraphix is the leading provider of integrated geophysical, geological and petrophysical software for the Microsoft Windows NT(R) desktop. The GeoGraphix Web site can be accessed at www.geographix.com. The GeoGraphix Europe staff can be reached at +44-1932-829999. Support requests can be e-mailed to solutions@geographix.com.

Landmark is the leading supplier of integrated E&P technical and economic software and services to support decision making about finding, drilling and producing oil and gas. Knowledge-based E&P companies now are turning to Landmark for technical-to-business (T2B(TM)) process integration to improve returns on their investments. Visit the Landmark Web site at www.lgc.com.

Founded in 1919, Halliburton Company is the world's leading diversified energy services, engineering, energy equipment, construction and maintenance company. In 1999, Halliburton's consolidated revenues were $14.9 billion, and it conducted business with a workforce of approximately 100,000 in more than 120 countries. The company's Web site can be accessed at www.halliburton.com.

GeoGraphix is a registered trademark and GEOGRAPHIX DISCOVERY and SeisVision for OpenWorks are trademarks of GeoGraphix. Landmark and GeoGraphix are registered trademarks of Landmark Graphics Corporation. Microsoft and Windows are registered trademarks of Microsoft Corporation.

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