ArcelorMittal : announces the Reverse Stock Split Effective Date

ArcelorMittal S.A. / ArcelorMittal announces the Reverse Stock Split Effective Date . Processed and transmitted by Nasdaq Corporate Solutions. The issuer is solely responsible for the content of this announcement.

Following the approval of the Reverse Stock Split by the Extraordinary General Meeting of shareholders of ArcelorMittal held on 10 May 2017 ArcelorMittal announces the Effective Date.

Luxembourg, 11 May 2017 - Following the approval of the Reverse Stock Split (as defined below) by the Extraordinary General Meeting of shareholders of ArcelorMittal held on 10 May 2017, ArcelorMittal will proceed to consolidate each three existing shares in the Company without nominal value into one share without nominal value (the "Reverse Stock Split").  The Reverse Stock Split will become effective on 22 May 2017.

ENDS

About ArcelorMittal

ArcelorMittal is the world's leading steel and mining company, with a presence in 60 countries and an industrial footprint in 19 countries. Guided by a philosophy to produce safe, sustainable steel, we are the leading supplier of quality steel in the major global steel markets including automotive, construction, household appliances and packaging, with world-class research and development and outstanding distribution networks.

Through our core values of sustainability, quality and leadership, we operate responsibly with respect to the health, safety and wellbeing of our employees, contractors and the communities in which we operate.

For us, steel is the fabric of life, as it is at the heart of the modern world from railways to cars and washing machines. We are actively researching and producing steel-based technologies and solutions that make many of the products and components people use in their everyday lives more energy efficient.

We are one of the world's five largest producers of iron ore and metallurgical coal. With a geographically diversified portfolio of iron ore and coal assets, we are strategically positioned to serve our network of steel plants and the external global market. While our steel operations are important customers, our supply to the external market is increasing as we grow.

In 2016, ArcelorMittal had revenues of $56.8 billion and crude steel production of 90.8 million tonnes, while own iron ore production reached 55.2 million tonnes.

ArcelorMittal is listed on the stock exchanges of New York (MT), Amsterdam (MT), Paris (MT), Luxembourg (MT) and on the Spanish stock exchanges of Barcelona, Bilbao, Madrid and Valencia (MTS).

For more information about ArcelorMittal please visit: http://corporate.arcelormittal.com/