Warsaw, July 10, 2026

Communiqué

GPW Benchmark informs that after the trading session on July 14, 2026, there will be an extraordinary adjustment of the sWIG80, sWIG80TR and WIG140 indices portfolios.

ROBYG (ISIN PLROBYG00321) with 25,000,000 shares will be entered on the lists of sWIG80, sWIG80TR and WIG140 indices participants, in place of ACAUTOGAZ (ISIN PLACSA000014).

The extraordinary adjustment of the indices results from the admission of ROBYG shares to the Main Market, for which the value of free-float shares on the first quotation date is at least 1.25% of the capitalization of sWIG80 index portfolio, respectively, at the session on that day.

Moreover, the lists of WIG, WIG-real estate and WIG-Poland indices will be supplemented with 25,000,000 shares of ROBYG company (ISIN PLROBYG00321).

ROBYG company’s shares were introduced to trading on July 2, 2026 and fulfill criteria of the above mentioned indices.