Following the trading session on September 11, 2026 there will be an extraordinary adjustment of CEEplus index

Following the trading session on September 11, 2026 there will be an extraordinary adjustment of GPWB-CENTR index

Following the trading session on September 11, 2026 there will be an extraordinary adjustment of WIG30, WIG30TR, mWIG40, mWIG40TR, WIG140, WIG, WIG-Poland, WIGdiv and WIGdivplus indices

Following the trading session on September 18, 2026 there will be a quarterly adjustment concerning WIG20, WIG20TR, mWIG40, mWIG40TR, sWIG80, sWIG80TR, WIG30 and WIG30TR indices portfolios

With reference to the announcement on 21 August 2026 concerning the periodic change of corporate bond index (POLCBF) portfolio, GPW Benchmark S.A. informs that, following the trading session on 31 August 2026, the portfolio was supplemented with an additional bond*: BD20121B2817

Following the trading session on August 31, 2026, there will be a periodic change of bond indices portfolio (TBSP.Index / GPWB-B1Y3Y / GPWB-B1Y4Y/ GPWB-B1Y5Y / GPWB-B3Y5Y / GPWB-B5Y / GPWB-B3Y / GPWB-BWZ)

Following the trading session on August 31, 2026, there will be a periodic change of corporate bond index (POLCBF) portfolio

Following the trading session on August 31, 2026, there will be a periodic change of corporate bond indices portfolio

GPW Benchmark announces that publication of the new NCFIndex index will commence on September 7, 2026

following the trading session on August 10, 2026 lists of WIG and WIG-Poland participants will be supplemented with 521,000 shares of NWAI company (ISIN PLNWAI000017).