STS Group lists on NYSE Alternext in Brussels


11th company to be listed on NYSE Alternext in Brussels
Brussels - 22 February 2011 – NYSE Euronext (NYX) today announced the cross-listing of STS Group, software publisher and European leader in the digital trust area, on NYSE Alternext in Brussels under the symbol ALSTS.

Founded in 2000, STS Group specializes in Digital Trust. Digital trust includes the authentication, exchange and "probative value" storage of any digital object. The group's product, STS Suite, allows private and business users to securely exchange, track, conserve and consult all of their digital material via the Internet or through the company's own network, guaranteeing the legal value of these digital documents.

STS Group was admitted to NYSE Euronext in Brussels through the listing of 6,217,884 existing shares representing the outstanding capital of the company. These shares have been listed on NYSE Alternext in Paris since 30 September 2010. Market capitalization of STS Group at yesterday’s closing was €94.7 million.

“We extend a warm welcome to STS Group on NYSE Alternext in Brussels. We are very pleased to accompany the company in this new phase in its development, fuelling growth and extending its reach to the Belgian financial community”, said Vincent Van Dessel, CEO NYSE Euronext Brussels.

“We are delighted to welcome STS Group to NYSE Alternext in Brussels,” said Ronald Kent, Group Executive Vice President of International Listing at NYSE Euronext.’ NYSE Alternext is a market well suited to innovative business seeking outstanding visibility as they pursue their growth strategies.”

Bernard Calvignac, Chairman and CEO of STS Group, added: “This dual listing is an important stage in our development as it will help to further enhance the international reach of our company and our software.”

Press Release Footer

About Euronext 
Euronext is the leading pan-European market infrastructure, connecting European economies to global capital markets, to accelerate innovation and sustainable growth. It operates regulated exchanges in Belgium, France, Ireland, Italy, the Netherlands, Norway and Portugal. With more than 1,900 listed issuers and around €6.5 trillion in market capitalisation as of end June 2023, it has an unmatched blue-chip franchise and a strong diverse domestic and international client base. Euronext operates regulated and transparent equity and derivatives markets, one of Europe’s leading electronic fixed income trading markets and is the largest centre for debt and funds listings in the world. Its total product offering includes Equities, FX, Exchange Traded Funds, Warrants & Certificates, Bonds, Derivatives, Commodities and Indices. The Group provides a multi-asset clearing house through Euronext Clearing, and custody and settlement services through Euronext Securities central securities depositories in Denmark, Italy, Norway and Portugal. Euronext also leverages its expertise in running markets by providing technology and managed services to third parties. In addition to its main regulated market, it also operates a number of junior markets, simplifying access to listing for SMEs.  
For the latest news, follow us on Twitter ( and LinkedIn (

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

© 2023, Euronext N.V. - All rights reserved.