Warsaw, September 11, 2026

Communiqué

GPW Benchmark announces that following the trading session on September 18, 2026 there will be a quarterly revision concerning WIG, WIG140, WIG-Poland, WIG-Ukraine, WIG-CEE, WIG.MS-BAS, WIG.MS-ECM, WIG.MS-FIN, WIG.GAMES5 macrosector indices, WIGind, WIGmed, WIGtechTR crossector indices and quarterly adjustment concerning WIGdiv and WIGdivplus indices.

The rankings and index portfolios were prepared as of August 31, 2026. Simultaneously with the WIG index portfolio revision, there will be a revision in the sector sub-indices.

  Below, attached compositions of WIG, WIG140, WIGdiv, WIGdivplus, WIG-Poland, WIG-Ukraine, WIG-CEE, WIG.MS-BAS, WIG.MS-ECM, WIG.MS-FIN, WIG.GAMES5, WIGind, WIGmed and WIGtechTR indices after changes.