Warsaw, December 3, 2025

Communiqué

GPW Benchmark announces that following the trading session on December 5, 2025 the list of NCIndex participants will be supplemented with 1,870,000 shares of CSTORE company (ISIN PLCSTR000014).

CSTORE company’s shares were introduced to trading on NewConnect on November 5, 2025 and fulfill criteria of the above mentioned index.