London, May 16, 2002 -- SchlumbergerSema, a business unit of Schlumberger Limited (NYSE:SLB), today announced it has been selected by Hutchison 3G to provide the security platform for the company's third-generation services. The deployment will initially be in the UK and later in other countries where Hutchison Whampoa has 3G interests.

Under contract, SchlumbergerSema will provide consulting, systems integration and project management expertise to support the implementation of Entrust software-based security solutions. Deployment of this platform will enable Hutchison 3G to offer customers secure access to a range of services, including news, entertainment and messaging.

"With its proven systems integration services, IT security expertise and international presence, SchlumbergerSema was the logical choice to help us minimise time-to-market and maximise security," said Colin Tucker, managing director, Hutchison 3G. "Entrust's enhanced security technology combined with the experience of SchlumbergerSema in managing complex IT projects will ensure we deliver secure services."

Notes to editors

1. Schlumberger

Schlumberger is a global technology services company consisting of two business segments, Schlumberger Oilfield Services and SchlumbergerSema. Schlumberger Oilfield Services supplies technology services and solutions to the international petroleum industry. SchlumbergerSema provides IT consulting, systems integration, managed services and related products to the telecommunications, energy and utilities, finance, transport and public sector markets. Schlumberger Network and Infrastructure Solutions supports the two business segments of Schlumberger with the DeXa Suite of Services providing IP network connectivity, information security solutions, distributed computing support services and data centers. In 2001, Schlumberger revenue was $13.7 billion. For more information visit http://www.slb.com.

2. Hutchison 3G

3G is a convergence of media, information and telephony which offers people access to information and entertainment services on the move, as well as more flexible working practises. The 3G standard (agreed throughout Europe, Japan, China, and the rest of Asia) is formally known as UMTS (Universal Mobile Telecommunications System). It represents a global standard for third generation communication systems and is at the heart of the Hutchison 3G initiative.

Hutchison 3G UK Ltd. ("Hutchison 3G") holds licence 'A' (a third-generation licence), which was issued by the UK government in May 2000. This licence was for the largest block of spectrum auctioned in the UK, as it was set-aside for a new entrant to the market. The licence consists of 15MHz of paired spectrum, and 5MHz of unpaired spectrum.

Hutchison Whampoa Limited holds a 65 per cent stake in Hutchison 3G, the other major shareholders are NTT DoCoMo (20 per cent) KPN Mobile (15 per cent).

For further information on Hutchison 3G please visit www.hutchison3g.com or call Firefly on 020 7386 1595.