EURONEXT_Registration_Document_2017

PRESENTATION OF THE GROUP

Description of the Business

Corporate Services Euronext Corporate Services is a new activity launched in 2016 as part of the Euronext Group’s Agility for Growth plan. Euronext Corporate Services’ aim is to help private and public companies make the most effective use of financial markets by providing them with innovative solutions and tailor-made advisory services. Companies listed on Euronext markets already benefit from a range of services and support. Based on our deep understanding of issuers’ needs, our Corporate Services offering is positioned as a complement to our existing Listing services Solutions Several milestones have been recently achieved in 2017 in relation with the build-up of a comprehensive suite of solutions. Euronext has performed initially an extensive survey and a large number of interviews with selected issuers to understand issuers needs. Based on this initial assessment, Euronext has built a comprehensive value chain of services to address needs identified in terms of investor relations, communication, governance, advisory and compliance. In that respect, several acquisitions have been made in 2017:  company Webcast (51% stake acquisition), a Dutch leading company specialized in professional webcast and webinar services;  IR.soft (100% stake acquisition), a London-based provider of investor relations workflow and targeting tools;  iBabs (60% stake acquisition), a leading Dutch provider of dematerialized and secured board portal solutions for corporate and public organizations; As of 31 December 2017, the Solutions team is servicing around 1,500 clients of which 120 issuers. Advisory Launched in France in 2015, Pre and Post- Listing Advisory are intended to provide companies with assistance during their IPO process (Pre-Listing Advisory), or with their relations with the market for companies that are already listed (Post-Listing Advisory). Pre-Listing Advisory involves a consulting activity. The team in place is in charge of monitoring and explaining the global process to the Company. They also bring support to the management in discussions with the Company’s board, choice of intermediaries, deal structuring, calendar management and stakeholders coordination. In 2017, the Pre-Listing Advisory team successfully executed its second IPO mandate. Through its Post-Listing Advisory, Euronext aims at helping companies to better understand financial markets and maximize the impact of their financial communication so as to strengthen their relationships with the market. The Post-Listing Advisory team helps the management team with their investor relationship management as well as the review of their equity story and key financial communication axes. To do so, they monitor investors’

activity, conduct investor surveys and perception studies. As of 31 December 2017, the team is servicing 15 issuers. The Post-Listing Advisory for SMEs have been rolled out in Belgium, the Netherlands and Portugal in 2017.

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1.3.4

CASH, DERIVATIVES AND SPOT FX MARKETS

1.3.4.1 Cash, Derivatives and Spot FX markets – Products and services

Euronext provides multiple marketplaces for investors, broker- dealers and other market participants to meet directly to buy and sell cash equities, fixed income securities and ETPs. One of the primary functions of the Group’s markets is to ensure that orders to purchase and sell securities are executed in a reliable, orderly, liquid and efficient manner. Order execution occurs through a variety of means and Euronext seeks to continue to develop additional and more efficient trading processes. Equities The Company is the market leader in cash equity trading in its four homemarkets of Belgium, France, the Netherlands and Portugal. As at 31 December 2017, Euronext had amarket share of 69% and a strong blue chip issuer presence, with twenty four issuers included in the EURO STOXX 50 stock index and 137 issuers listed on the EURO STOXX benchmark index. Euronext is ranked first in Europe as measured by domesticmarket capitalisation and second by averagemonthly equity trading value, excluding BATS-Chi-X. In addition, the Group has a solid ETF trading franchise based on the listing of 804 ETFs in its markets. In 2017, total Euronext transaction value on equity was €1,769 billion, up +7.7% from €1,643 billion in 2016 and compared to €1,938 billion in 2015. In Equities, Euronext outperforms peer exchanges in yield extraction while maintaining high market share. This is achieved through a combination of superior execution quality, sophisticated liquidity schemes and advanced pricing segmentation. Euronext offers a compelling value proposition across the transaction chain, fromblue chips to small companies, with tailored market models to maximise the depth and quality of liquidity available for trading those companies in the secondary market. Since the introduction of new European Union legislation in 2007, via MiFID, competition for share trading has been intense. Yet Euronext has been successful in maintaining market share above 60% throughout the past decade demonstrating the resilience in its core business. Euronext’s product, pricing and client strategy and the execution thereof are vital to maintain the high quality of execution and broad diversity of clients active on Euronext’s markets. Cash Trading

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2017 REGISTRATION DOCUMENT