Euronext N.V.

Legal Proceedings Report • Dec 17, 2015

Amsterdam +31.20.721.4488 Brussels +32.2.620.15.50 +33.1.70.48.24.17 Lisbon +351.210.600.614 Paris +33.1.70.48.24.45

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SUSPENSION OF TRADING IN EURONEXT SHARES

Amsterdam, Brussels, Lisbon, London and Paris - 17 December 2015 – As a provisional measure, Euronext is suspending trading in its own shares with effect from 9.00am CET this morning. This is a precautionary action pending a verdict that is to be received later this morning from the District Court of Rotterdam, The Netherlands in the appeal procedure between Euronext N.V. and Euronext Amsterdam N.V. and the Dutch Minister of Finance related to the consolidated capital requirements. Following an analysis of this verdict which may or may not be a final decision, Euronext will issue a statement after which trading will resume as soon as possible.

CONTACTS -

Caroline Nico (Europe): +33 1 70 48 24 41; cnico@euronext.com Alice Jentink (Amsterdam): +31 20 721 4488; ajentink@euronext.com Pascal Brabant (Brussels): +32 2 620 15 50; pbrabant@euronext.com Sandra Machado (Lisbon): +351 210 600 614; smachado@euronext.com Laura Panhard (Paris): +33 1 70 48 24 42, lpanhard@euronext.com

About Euronext

Euronext is the primary exchange in the Euro zone with more than 1 300 issuers worth €2.8 trillion in market capitalisation, an unmatched blue-chip franchise consisting of 25 issuers in the EURO STOXX 50® benchmark and a strong, diverse domestic and international client base.

Euronext operates regulated and transparent equity and derivatives markets. Its total product offering includes Equities, Exchange Traded Funds, Warrants & Certificates, Bonds, Derivatives, Commodities and Indices. Euronext also leverages its expertise in running markets by providing technology and managed services to third parties. Euronext operates regulated markets, Alternext and the Free Market; in addition it offers EnterNext, which facilitates SMEs' access to capital markets.

Disclaimer

This press release is for information purposes only and is not a recommendation to engage in investment activities. This press release is provided "as is" without representation or warranty of any kind. While all reasonable care has been taken to ensure the accuracy of the content, Euronext does not guarantee its accuracy or completeness. Euronext will not be held liable for any loss or damages of any nature ensuing from using, trusting or acting on information provided. No information set out or referred to in this publication may be regarded as creating any right or obligation. The creation of rights and obligations in respect of financial products that are traded on the exchanges operated by Euronext's subsidiaries shall depend solely on the applicable rules of the market operator. All proprietary rights and interest in or connected with this publication shall vest in Euronext. This press release speaks only as of this date. Euronext refers to Euronext N.V. and its affiliates. Information regarding trademarks and intellectual property rights of Euronext is located at www.euronext.com/terms-use. © 2015, Euronext N.V. - All rights reserved.