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Euronext announces December 2025 quarterly review results of the PSI®

Lisbon – 10 December 2025 Euronext today announced the results of the annual review for the PSI®, which will be implemented after markets close on Friday 19 December 2025 and will be effective from Monday 22 December 2025.

Results of the December 2025 quarterly review

PSI®

No changes in the composition of the index

The Independent Supervisor retains the right to change the published selection, for instance in the case of a removal due to a takeover, until the publication of the final data after close of Wednesday 17 December 2025.

All events taking place after that date will not result in the replacement of any company that may need to be removed from the final index selection.

Review PSI®

The PSI® is reviewed quarterly in June, September and December. The full annual review is in March.

Next Index Steering Committee Review: Wednesday 11 March 2026.

CONTACTS  

MEDIA – mediateam@euronext.com 

Lisbon        Sandra Machado         +351 917 776 897                

About Euronext  

Euronext is the leading European capital market infrastructure, covering the entire capital markets value chain, from listing, trading, clearing, settlement and custody, to solutions for issuers and investors. Euronext runs MTS, one of Europe’s leading electronic fixed income trading markets, and Nord Pool, the European power market. Euronext also provides clearing and settlement services through Euronext Clearing and its Euronext Securities CSDs in Denmark, Italy, Norway and Portugal.

As of September 2025, Euronext’s regulated exchanges in Belgium, France, Ireland, Italy, the Netherlands, Norway and Portugal host over 1,700 listed issuers with €6.5 trillion in market capitalisation, a strong blue-chip franchise and the largest global centre for debt and fund listings. With a diverse domestic and international client base, Euronext handles 25% of European lit equity trading. Its products include equities, FX, ETFs, bonds, derivatives, commodities and indices.

In November 2025, Euronext successfully acquired a majority stake in the Athens Stock Exchange (ATHEX), further expanding its footprint and strengthening its pan-European market infrastructure.

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Disclaimer

This press release is for information purposes only: it is not a recommendation to engage in investment activities and 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 available at www.euronext.com/terms-use.

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