Alstom

Transaction in Own Shares • Dec 22, 2015

NOT TO BE FORWARDED TO ANY PERSON OR ADDRESS IN THE UNITED STATES OF AMERICA

PUBLIC BUYBACK OFFER INITIATED BY

For 91,500,000 Alstom shares with a view to reducing the share capital

Presented by

PRESS RELEASE RELATING TO THE AVAILABILITY OF THE INFORMATION RELATING TO ALSTOM'S LEGAL, FINANCIAL AND ACCOUNTING CHARACTERISTICS

TERMS OF THE OFFER: EUR 35 PER ALSTOM SHARE DURATION OF THE OFFER: 29 CALENDAR DAYS

This press release has been drafted by Alstom and published pursuant to the provisions of Article 231-28 I of the AMF (Autorité des marchés financiers, hereinafter the "AMF") General Regulations.

Important Notice

At the Alstom Combined Ordinary and Extraordinary Shareholders' Meeting (hereinafter the "Combined Shareholders' Meeting") dated 18 December 2015, shareholders passed the resolution to reduce share capital through a public share buyback offer.

The information note relating to the public buyback offer initiated by Alstom for its own shares with a view to reducing its share capital, has received from the AMF the visa n° 15-620 dated of 8 December 2015, in application of an AMF statement of compliance dated of 8 December 2015.

Pursuant to the provisions of Article 231-28 of the AMF General Regulations, the information relating to Alstom's legal, financial and accounting characteristics

has been filed with the AMF and made available to the public today, on 22 December 2015.

This information, as well as the AMF-approved information note relating to Alstom's public buyback offer for its own shares with a view to their cancellation, are available on the AMF (www.amf-france.org) and Alstom (www.Alstom.com) websites and may also be obtained free of charge at:

• Alstom: 48, rue Albert Dhalenne 93400 Saint-Ouen, France
• Crédit Agricole Corporate and Investment Bank: 9, quai du Président Paul Doumer, 92920 Paris La Défense Cedex, France
• Deutsche Bank AG: 23-25 Avenue Franklin D. Roosevelt, 75008 Paris, France
• BNP Paribas: 4 rue d'Antin, 75002 Paris, France
• HSBC France: 103 avenue des Champs-Elysées, 75008 Paris, France
• Merrill Lynch International: 2 King Edward Street, London EC1A 1 HQ, United Kingdom
• Natixis: 30 avenue Pierre Mendès-France, 75013 Paris, France (mailing address: 47 quai d'Austerlitz, 75013 Paris, France)
• Rothschild & Cie Banque: 29 avenue de Messine 75008 Paris, France
• Société Générale: CORI/COR/FRA, 75886 Paris Cedex 18, France

The AMF and Euronext Paris will publish a notice indicating the conditions under which the public buyback offer will be completed along with a detailed schedule. The public buyback offer should run from 23 December 2015 to 20 January 2016 (inclusive).

Press Contacts

Linda Huguet / Justine Rohée - Phone +33 1 57 06 10 42 / 18 81 Linda.Huguet@alstom.com / Justine.Rohee@alstom.com

Investor Relations

Selma Bekhechi - Phone +33 1 57 06 95 39 Selma.Bekhechi@alstom.com

This press release cannot be published, transmitted or distributed, directly or indirectly, on United States, Canadian, Japanese or Australian territory. This press release does not constitute an offer of securities or any solicitation whatsoever to purchase securities in the United States or in any country other than France.

The dissemination, publication or distribution of this press release in certain countries can constitute a violation of legal and regulatory provisions in force. Consequently, persons physically located in such countries, and in which this press release is disseminated, published or distributed, must remain informed and comply with said laws and regulations.