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Brussels – 18 February 2013– NYSE Euronext (NYX) announces the results of the annual review for the BEL 20®, BEL Mid® and BEL Small® indices. The decisions taken today will take effect from Monday 18 March 2013.

The compiler retains the right to change the published selection in case of mergers, take-overs, suspension or resumption of trading during the period before the effective review date.

After close of markets on Wednesday 13 March 2013 the following data will be published for each index and for each constituent:

  • final number of shares;
  • final free float percentage;
  • capping factor.

After close of business on Friday 15 March 2013, the new divisor of each index will be published.

BEL 20® index:

Inclusions Removals
DELTA LLOYD MOBISTAR
THROMBOGENICS NYRSTAR (D)


BEL Mid® index:

Inclusions removal
ABLYNX (D) DEXIA
MOBISTAR THROMBOGENICS
NYRSTAR (D)  


BEL Small® index:

Inclusions REMOVAL
TEXAF (D) ABLYNX (D)


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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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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.

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