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).

GPW Benchmark announces that publication of the new GPWB-B3Y index will commence on August 17, 2026

Set as at the end of June 2026, the levels of Monthly Turnover Ratio (MTR), i.e. the additional criterion for qualifying companies for the WIG20, mWIG40, sWIG80 and WIG30

Following the trading session on July 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-BWZ)

Following the trading session on July 30, 2026 there will be an extraordinary adjustment and shares of MOJ company will be removed from WIG and WIG-Poland indices