Warsaw, October 16, 2026

Communiqué

GPW Benchmark announces that following the trading session on October 30, 2026, there will be a periodic change of corporate bond indices portfolio. In the indices there will be following changes:

WIPID

• new instruments: ACH0729, ARH0329, EBP0428, IBH0929, PHP1028, RPW1029,
• removed instruments: ALR1029, ATL0628, BST0831, DOM1229, DVL0130, DVL1227, MBHPA35, MIL0129, ORL1232, PEO1027, PHP0328, PKO1034-K, PLY0230, ROB0129, UNI0329, ZAB0530,
• change in the number of bonds: PHN0529.

WIPID-Catalyst

• new instruments: ALE0630, KRU0228, KRU1029, MAT0630, MBK01PERP-K, MBK1028, OKA0130, ORL1232, PEO1028, PEO1033, RON0928, RPW1029,

• removed instruments: ALR1029, ATL0628, GHE1027, PEO1027,
• change in the number of bonds: PHN0529.

  Attached is the composition of the portfolios of the remaining corporate bond indices after changes.