PEMEX y Halliburton

June 30, 2003

PEMEX AWARDS HALLIBURTON $23 MILLION CONTRACT FOR TOOLS AND TESTING SERVICES

HOUSTON, Texas - Halliburton de Mexico has been awarded a three-year contract by Pemex to provide tools and testing services and products for its Bateria Artesa field in Reforma Chiapas Mexico. The contract, with an estimated value of (USD) $23 million, will include the operation and maintenance of the Carmito CO2Gas Separation Plant. Halliburton de Mexico is a subsidiary unit of Halliburton (NYSE: HAL).

"We are very pleased with the confidence that Pemex has shown through this award," said Armando Galan, Mexico country manager, Halliburton's Tools Testing and Tubing Conveyed Perforating (TTTCP) product service line. "Halliburton has been providing this service to Pemex for the last six years and we're very pleased that they have chosen to continue using our service."

The Carmito CO2 Gas Separation Plant was built by Halliburton in 1997 and has been in operation ever since. Halliburton, founded in 1919, is one of the world's largest providers of products and services to the petroleum and energy industries. The company serves its customers with a broad range of products and services through its Energy Services Group and Engineering and Construction Group business segments. The company's World Wide Web site can be accessed at www.halliburton.com