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Euronext: Alternext® All-Share Index Set For Launch On 4 September 2006

Date 29/08/2006

As announced in June, Alternext will be launching its All-Share index on 4 September, confirming its continued growth momentum.

Tracking the combined performance of all shares on the Alternext market, the new index, which is weighted for market capitalization, will be calculated daily. Its base is 1,000 at 30 December 2005.

The makeup of the index will change with each new listing and delisting. Newly listed companies will be included two weeks after the date their shares begin trading.

On 4 September, the Alternext All-Share index will thus be made up of the 57 stocks currently traded on Alternext, of which 54 are listed in Paris and three in Brussels. On the basis of market capitalization currently totalling approximately €2.5 billion, the index shows a rise of some 18% since the beginning the year[1].

The Alternext All-Share index is designed both as a tool for the management of portfolios specialized in small and mid-cap stocks and as a vehicle for the promotion of listed companies, helping them to reach a broader audience within the financial community.

Key features of the Alternext All-Share index:
  • Mnemonic code: ALASI
  • ISIN: QS0011040902
  • Index type: price
  • Eligible stocks: all stocks traded on Alternext
  • Revision: new stocks integrated two weeks after they begin trading
  • Weightings: by market capitalisation
  • Weighting cap factor: none
  • Revision of number of shares: daily
  • Calculation: daily at close
  • Base: 1,000 at 30 December 2005
  • Historical data from: 30 December 2005
  • Return indices: net and gross

For more information: www.alternext.com — index components, historical performance data, technical guides, etc.