Press release Luxembourg, 4 July 2011 INTERIM REVISION OF THE LUXX INDEX Following the end of the first half of 2011, there was no change to the companies that are included in the LuxX index of the Luxembourg Stock Exchange. However, an adjustment was made in the weighting of the companies making up the index, based on their closing prices, the number of shares outstanding and their free-float. Therefore, on Friday 1 July 2011, the index had the following configuration: Weighting Number Weighting Number Company at 30/06/2011 of shares at 1/03/2011 of shares Aperam 11.13% 210 14.33% 210 ArcelorMittal 19.62% 345 20.00% 345 BIP Investment Partners 2.21% 15 2.09% 15 Dexia 1.85% 364 2.62% 364 Foyer 0.80% 7 0.70% 7 KBC Group 7.07% 110 7.42% 110 Luxempart 3.19% 56 2.98% 56 Reinet Investments 17.23% 581 15.43% 581 RTL Group 10.95% 68 11.02% 68 SES 22.32% 490 20.00% 490 Socfinaf 2.27% 40* 1.83% 4 Socfinasia 1.36% 20* 1.59% 1 (* split at 01-07-2011) About the Luxembourg Stock Exchange The Luxembourg Stock Exchange began operating as a limited company in 1929, and has since gained extensive experience in listing and trading of securities from many different regions. Today the Luxembourg Stock Exchange has two markets — regulated and Euro MTF — with 29,694 international bond issues representing 42% of total international bonds listed on EU markets. It also lists some 6,440 shares and units of investment funds in around twenty currencies, offering a wide range of investment opportunities, as well as 264 depositary receipts of issuers based in emerging markets. The Exchange’s website at www.bourse.lu provides individual investors access to market information on Luxembourg securities. Additional data are available through the Finesti portal (www.finesti.com), its subsidiary specialising in information for investment funds. For any additional information please contact Christian Descoups (tel. 47 79 36 272, e-mail: [email protected]) Société de la Bourse de Luxembourg S.A. BP 165 / L-2011 Luxembourg / Siège social: 11, avenue de la Porte-Neuve T +352 47 79 36 -1 / F +352 47 32 98 / [email protected] / www.bourse.lu / RC Luxembourg B 6222.