Warsaw, July 29, 2026

Communiqué

GPW Benchmark announces that following the trading session on July 31, 2026, there will be a periodic change of bond indices portfolio. In the indices there will be following changes:

TBSP.Index

• change in the number of bonds: DS1034, PS0130, PS0731, DS0436, OK0129.

GPWB-B1Y3Y

• new bond: PS0729;
• removed bond: DS0727;
• change in the number of bonds: OK0129.

GPWB-B1Y4Y

• new bond: PS0730;
• removed bond: DS0727;
• change in the number of bonds: OK0129, PS0130.

GPWB-B1Y5Y

• new bond: PS0731;
• removed bond: DS0727;
• change in the number of bonds: OK0129, PS0130.

GPWB-B3Y5Y

• new bond: PS0731;
• removed bond: PS0729;
• change in the number of bonds: PS0130.

GPWB-B5Y

• removed bond: PS0731;
• change in the number of bonds: DS0436, DS1034.

GPWB-BWZ

• change in the number of bonds: NZ0331.

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