ArcelorMittal and CSC Sign Infrastructure Managed Services Agreement in Europe

FALLS CHURCH, Va., – CSC (NYSE: CSC), a global leader in technology solutions and services, announced today that it has signed a contract with ArcelorMittal (NYSE: MT), the world’s leading steel company, to provide information technology (IT) infrastructure managed services. The agreement provides the framework for common and country-specific agreements by the local entities of each party, and will become effective upon the signing of the different accession agreements.

The contract has a five-year base with two two-year extension options. Financial terms were not disclosed. Services are expected to commence in the fourth quarter 2011 (the third quarter of CSC’s fiscal year 2012). All of the agreements are subject to regulatory and other approvals and notifications, including consultation of relevant workers councils.

CSC services are designed to manage ArcelorMittal’s European IT services and to enhance infrastructure service quality, deliver new solutions, improve workforce efficiency and reduce ongoing costs. CSC will provide ArcelorMittal with enterprise infrastructure services (application and web hosting, datacenter, storage, mainframe, business continuity and disaster recovery) and workplace infrastructure services (desktop, network, communication and collaboration, print, security and helpdesk support).

“We are confident that CSC will demonstrate to be the right choice for ArcelorMittal, not only because of its technical competences and global footprint, but also because of its ability and willingness to provide a career to our people and to improve our Infrastructure landscape in Europe,” said Mr. Davinder Chugh, Member of the Group Management Board, Responsible for Shared Services, ArcelorMittal.

CSC’s work will involve all ArcelorMittal’s Western and Eastern Europe IT operations. Under the terms of the agreement, approximately 240 employees will potentially transition to CSC during the second half of 2011.

“We are excited for the opportunity to work with ArcelorMittal, the world’s leading steel company, to support their mission to drive efficiencies across their business and better serve clients worldwide,” said Michael W. Laphen, CSC chairman, president and chief executive officer. “This agreement is another validation of CSC’s leadership in global infrastructure services, and demonstrates our ability to drive change within the IT function of the world’s most innovative and dynamic companies.”

About CSC

CSC is a global leader in providing technology-enabled business solutions and services. Headquartered in Falls Church, Va., CSC has approximately 91,000 employees and reported revenue of $16.0 billion for the 12 months ended April 1, 2011. For more information, visit the company’s website at www.csc.com.

About ArcelorMittal

ArcelorMittal is the world’s leading steel company, with operations in more than 60 countries. ArcelorMittal is the leader in all major global steel markets, including automotive, construction, household appliances and packaging, with leading R&D and technology, as well as sizeable captive supplies of raw materials and outstanding distribution networks. With an industrial presence in over 20 countries spanning four continents, the Company covers all of the key steel markets, from emerging to mature. Through its core values of Sustainability, Quality and Leadership, ArcelorMittal commits to operating in a responsible way with respect to the health, safety and wellbeing of its employees, contractors and the communities in which it operates. It is also committed to the sustainable management of the environment and of finite resources. ArcelorMittal recognises that it has a significant responsibility to tackle the global climate change challenge; it takes a leading role in the industry’s efforts to develop breakthrough steelmaking technologies and is actively researching and developing steel-based technologies and solutions that contribute to combat climate change. In 2010, ArcelorMittal had revenues of 78.0 billion and crude steel production of 90.6 million tonnes, representing approximately 8 per cent of world steel output. ArcelorMittal is listed on the stock exchanges of New York (MT), Amsterdam (MT), Paris (MT), Brussels (MT), Luxembourg (MT) and on the Spanish stock exchanges of Barcelona, Bilbao, Madrid and Valencia (MTS). For more information about ArcelorMittal visit: www.arcelormittal.com

Forward Looking Statements: All statements in this press release and in all future press releases that do not directly and exclusively relate to historical facts constitute “forward-looking statements” within the meaning of the Private Securities Litigation Reform Act of 1995. These statements represent the company’s intentions, plans, expectations and beliefs, and are subject to risks, uncertainties and other factors, many of which are outside the company’s control. These factors could cause actual results to differ materially from such forward-looking statements. For a written description of these factors, see the section titled “Risk Factors” in CSC’s Form 10-K for the fiscal year ended April 3, 2009 and any updating information in subsequent SEC filings. The company disclaims any intention or obligation to update these forward-looking statements whether as a result of subsequent event or otherwise, except as required by law.