Communiqué

GPW Benchmark announces that following the trading session on December 15, 2023 there will be a quarterly adjustment concerning WIG20, WIG20TR, mWIG40, mWIG40TR, sWIG80, sWIG80TR, WIG30 and WIG30TR indices portfolios.

As a result WIG20, WIG20TR, mWIG40, mWIG40TR, WIG30 and WIG30TR portfolios will remain unchanged.

In the sWIG80 and sWIG80TR portfolios there will be following changes:

• new companies: ARCHICOM, ELEKTROTI;

• removed companies: ASSECOSEE, ACAUTOGAZ.

In addition in the mWIG40 and mWIG40TR indices the share of BUDIMEX and INGBSK companies and in the WIG30 and WIG30TR indices the share of PKNORLEN and PKOBP companies will be reduced to 10%.

Index ranking was drawn up after the session on November 17, 2023. The ranking takes into account value of trading and the monthly turnover ratio (MTR) for the last 12 months before the ranking day, while the value of free float shares was calculated on the basis of the closing price on November 15, 2023. The ranking does not include companies from the last quartile
of the free float market capitalization.

Composition of the WIG20 and WIG20TR indices (after quarterly adjustment on December 15, 2023)