Drilling Report

BHP Billiton Limited 12 November 2003 BHP Billiton Limited is issuing this announcement to fulfil disclosure obligations arising from its secondary listing on the London Stock Exchange. The text of this release is identical to that issued by BHP Billiton Plc earlier. BHP BILLITON ANNOUNCES OIL FIND WITH SHENZI-2 APPRAISAL WELL IN THE GULF OF MEXICO BHP Billiton today announced the results of its first appraisal well on the Shenzi field, discovered last year in the deepwater Gulf of Mexico. Shenzi-2 began drilling on September 22, 2003, on Green Canyon Block 653 with the BHP Billiton operated drillship CR Luigs. The well is located in water depths of 4,238 feet and was drilled to a total depth of 25,500 feet; encountering approximately 500 feet of net oil pay in a 1,250 foot gross hydrocarbon column of lower Miocene reservoir sandstones. Phil Aiken, CEO of BHP Billiton Petroleum said today, 'We have drilled a successful appraisal well on one of our operated discoveries, and this well result, with excellent quality reservoirs that were appreciably thicker than those encountered in the first Shenzi well, has significantly extended the scale of the oil accumulation discovered by Shenzi-1. The discovery is located along the same geologic trend as our Mad Dog, Atlantis and Neptune fields, and whilst further appraisal drilling will be required to fully define the reserve size, we will be working with our partners to begin studying possible development options.' Following well logging operations and other data collection activities, the partners are planning to drill a sidetrack out of the existing well bore. BHP Billiton is the designated operator at Shenzi and holds a 44 percent interest in the field. Amerada Hess (NYSE: AHC) and BP each hold 28 percent interest. Shenzi-2 is located approximately two miles southwest of the discovery well Shenzi-1, which encountered a gross hydrocarbon column of 465 feet with 140 feet of net pay. BHP Billiton's exploration and development portfolio in the Gulf of Mexico includes the development of the Mad Dog (BHP Billiton share 23.9%) and Atlantis (BHP Billiton share 44%) fields that are due to start production in 2005 and 2006 respectively, and a full appraisal programme on its operated discoveries at Neptune, Vortex, Cascade, and Chinook. BHP Billiton is among the top leaseholders in the deepwater Gulf with interests in more than 400 blocks. Further information on BHP Billiton can be found on our Internet site: http://www.bhpbilliton.com Australia United Kingdom Andrew Nairn, Investor Relations Mark Lidiard, Investor & Media Relations Tel: +61 3 9609 3952 Tel: +44 20 7802 4156 Mobile: +61 408 313 259 email: email: Andrew.W.Nairn@bhpbilliton.com Mark.Lidiard@bhpbilliton.com Tania Price, Media Relations Ariane Gentil, Media Relations Tel: +61 3 9609 3815 Tel: +44 20 7802 4177 Mobile: +61 419 152 780 email: Tania.Price@bhpbilliton.com email: Ariane.Gentil@bhpbilliton.com United States South Africa Francis McAllister, Investor Michael Campbell, Investor & Media Relations Relations Tel: +1 713 961 8625 Tel: +27 11 376 3360 Mobile: +1 713 480 3699 Mobile: +27 82 458 2587 email: email: Francis.R.McAllister@bhpbilliton.com Michael.J.Campbell@bhpbilliton.com BHP Billiton Limited ABN 49 004 028 077 BHP Billiton Plc Registration number 3196209 Registered in Australia Registered in England and Wales Registered Office: 180 Lonsdale Street Melbourne Victoria 3000 Registered Office: Neathouse Place London SW1V 1BH Australia United Kingdom Telephone +61 1300 55 4757 Facsimile +61 3 9609 3015 Telephone +44 20 7802 4000 Facsimile +44 20 7802 4111 A member of the BHP Billiton group which is headquartered in Australia This information is provided by RNS The company news service from the London Stock Exchange
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