Citi Appointed Registrar and Transfer Agent for ArcelorMittal’s New York Registry Share Program

London - July 19, 2011 – Citigroup today announced that its Global Transaction Services business, acting through Citibank N.A., has been appointed by ArcelorMittal, the world’s leading integrated steel and mining company, as successor registrar and transfer agent, paying agent and shareholder services agent for its New York Registry Share (NYRS) program. ArcelorMittal’s NYRS are listed on the NYSE and trade under the symbol ‘MT’, with each NYRS representing one ordinary share. ArcelorMittal’s ordinary shares are listed on Euronext Amsterdam.

Dirk Jones, Global Head of Securities and Fund Services Client Sales Management at Citi, said: "We are delighted that ArcelorMittal has chosen Citi as successor registrar and transfer agent for their NYRS program. Leveraging Citi’s DR investor relations expertise and unmatched global equity distribution network, we look forward to working closely with ArcelorMittal on providing incremental investor access and awareness to ArcelorMittal’s NYRS program."

For more information on Citi’s Depositary Receipt Services, visit www.citi.com/dr.

Through its Securities and Fund Services business, Citi’s industry-focused experts provide investors worldwide with tailored solutions delivered through proven global platforms that feature modular, open architecture. With over $13 trillion of assets under custody and the industry’s largest proprietary network, clients can leverage Citi's local market expertise and global reach to extract value across the entire investment value chain.

Global Transaction Services, a division of Citi’s Institutional Clients Group, offers integrated cash management, trade, and securities and fund services to multinational corporations, financial institutions and public sector organizations around the world. With a network that spans more than 100 countries, Citigroup’s Global Transaction Services supports over 65,000 clients. As of the second quarter of 2011, it held on average $365 billion in liability balances and $13.5 trillion in assets under custody.

###


About ArcelorMittal
ArcelorMittal is the world's leading integrated steel and mining company, with presence 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 well-being of its employees, contractors and the communities in which it operates. It is also committed to the sustainable management of the environment. 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 6 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.

About Citi
Citi, a leading global financial services company, has approximately 200 million customer accounts and does business in more than 160 countries and jurisdictions. Citi provides consumers, corporations, governments and institutions with a broad range of financial products and services, including consumer banking and credit, corporate and investment banking, securities brokerage, transaction services, and wealth management.

Additional information may be found at www.citigroup.com.