Euronext // 2021 Universal Registration Document

Financial Statements

Notes to the Consolidated Financial Statements

Ownership As at 31 December 2021 As at 31 December 2020

Subsidiaries

Domicile

Nord Pool European Market Coupling Operator AB Nord Pool European Market Coupling Operator OY

Sweden Finland Finland

66.00% 66.00% 100.00% 100.00% 100.00% 100.00% 100.00% 100.00% 100.00% 99.99% 99.99% 99.99% 98.92% 62.52% 62.52% 62.52% 62.52% 74.99% 74.99% 74.99% 100.00%

66.00% 66.00% 100.00% 100.00% 100.00%

Black Woodpecker Software Oy Company Webcast France S.A.S.

France

VP Securities AS

Denmark

Italy Italy Italy Italy Italy Italy Italy Italy

0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00%

Euronext Italy Merger S.r.l. (h) Euronext Holding Italia S.p.A. (g)

GATElab S.r.l. (g) GATElab Ltd. (g)

United Kingdom

Bit Market Services S.p.A. (g)

Borsa Italiana S.p.A. (g)

Cassa di Compensazione e Garanzia S.p.A. (g)

Monte Titoli S.p.A. (g)

MTS S.p.A. (g)

United States

MTS Markets International Inc. (g) Marche de Titres France S.A.S. (g)

France

United Kingdom

Euro MTS Ltd. (g)

Italy

ELITE S.p.A. (g)

United Kingdom

ELITE Club Deal Ltd. (g)

Italy Italy

ELITE SIM S.p.A. (g)

Euronext Corporate Services S.r.l. (h)

The Netherlands

0.00%

Stichting Euronext Foundation (i)

Associates

Domicile

LCH SA

France

11.10% 18.93% 23.00%

11.10% 23.50%

Luxembourg

Tokeny S.a.r.l. (j)

Belgium

0.00%

MTS Associated Markets S.A. (g)

Joint Ventures LiquidShare S.A. FinansNett Norge

Domicile

France

16.23% 50.00%

16.23% 50.00%

Norway

Non-current investments

Domicile

8

Sicovam Holding S.A.

France

9.60% 3.53% 5.00% 2.20%

9.60% 3.53% 5.00% 2.20%

Euroclear Holding S.A./N.V.

Belgium Norway Belgium

Nordic Credit Rating AS

Association of National Numbering Agencies

Investor Compensation Company Designated Activity Company

Ireland

33.30%

33.30%

(a) Legal name of Euronext Lisbon S.A. is Euronext Lisbon – Sociedade Gestora de Mercados Regulamentados, S.A. (b) Legal name of Interbolsa S.A. is Interbolsa – Sociedade Gestora de Sistemas de Liquidaçao e de Sistemas Centralizados de Valores Mobiliários, S.A. (c) The Irish Stock Exchange Plc. operates under the business name Euronext Dublin. (d) On 3 March 2021, the Group increased its ownership in iBabs B.V. to 100%. In 2021, MSI Services B.V. was dissolved, bringing the ownership down to 0%. (e) On 4 June 2021, the Group sold its 100% ownership in Oslo Market Solutions AS. (f) On 19 March 2021, the Group sold its 100% ownership in Centevo AB. (g) On 29 April 2021, the Group acquired 100% of the share capital in London Stock Exchange Group Holdings Italia S.p.A.and its interests in subsidiaries and associates. The entity was renamed Euronext Holding Italia S.p.A. after the acquisition. (h) Euronext Technologies S.r.l, Euronext Italy Merger S.r.l and Euronext Corporate Services S.r.l. were incorporated in extension to the acquisition of Borsa Italiana Group in 2021. (i) Stichting Euronext Foundation is not owned by the Group but included in the scope of consolidation. (j) In December 2021, the Group’s interest in Tokeny s.a.r.l. decreased to 18.93% following a capital contribution by a new investor. The investment is still assessed as an associate by the Group.

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2021 UNIVERSAL REGISTRATION DOCUMENT