GPW - Giełda Papierów Wartościowych w Warszawie S.A.

Audit Report / Information • Aug 20, 2025

BDO spółka z ograniczoną odpowiedzialnością sp.k. ul. Postępu 12 02-676 Warszawa Polska

tel.: +48 22 543 16 00 fax: +48 22 543 16 01 e-mail: office@bdo.pl www.bdo.pl

This document is a translation. The Polish original should be referred to in matters of interpretation.

INDEPENDENT AUDITOR'S REVIEW REPORT ON THE CONDENSED INTERIM CONSOLIDATED FINANCIAL STATEMENTS FOR THE SHAREHOLDERS AND SUPERVISORY BOARD OF Giełda Papierów Wartościowych w Warszawie Spółka Akcyjna

Introduction

We have reviewed the accompanying condensed interim consolidated financial statements of Giełda Papierów Wartościowych w Warszawie Spółka Akcyjna Group, of which the parent entity is Giełda Papierów Wartościowych w Warszawie Spółka Akcyjna with its registered office in Warsaw, 4 Książęca Street, comprising of the consolidated statement of financial position prepared as at 30 June 2025, the consolidated statement of comprehensive income for the period from 1 January 2025 to 30 June 2025, the consolidated statement of changes in equity for the period from 1 January 2025 to 30 June 2025, the consolidated statement of cash flows for the period from 1 January 2025 to 30 June 2025, and notes to the consolidated financial statements ("condensed interim consolidated financial statements").

The parent company's Management is responsible for the preparation and presentation of the interim condensed consolidated financial statements in accordance with the requirements of International Accounting Standards 34 Interim Financial Reporting, announced in the form of European Commission regulations.

Our responsibility is to form a conclusion on the condensed interim consolidated financial statements based on our review.

Scope of Review

We performed the review in accordance with National Standard on Review Engagements 2410 in the wording of International Standard on Review Engagements 2410 "Review of Interim Financial Information Performed by the Independent Auditor of the Entity", adopted in a resolution passed by the National Council of Certified Auditors.

A review of financial statements consists of making inquiries, primarily of persons responsible for financial and accounting matters, applying analytical and other review procedures.

A review is substantially less in scope than an audit conducted in accordance with National Standards on Auditing in the wording of International Standards on Auditing. In consequence, a review is not

BDO spółka z ograniczoną odpowiedzialnością sp.k., Sąd Rejonowy dla m. st. Warszawy, XIII Wydział Gospodarczy, KRS: 0000729684, REGON: 141222257, NIP: 108-000-42-12. Biura BDO w Polsce: Katowice 40-007, ul. Uniwersytecka 13, tel.: +48 32 661 06 00, katowice@bdo.pl; Kraków 31-548, al. Pokoju 1, tel.: +48 12 378 69 00, krakow@bdo.pl; Poznań 60-650, ul. Piątkowska 165, tel.: +48 61 622 57 00, poznan@bdo.pl; Wrocław 53-332, ul. Powstańców Śląskich 7a, tel.: +48 71 734 28 00, wroclaw@bdo.pl

BDO spółka z ograniczoną odpowiedzialnością sp.k. jest członkiem BDO International Limited, brytyjskiej spółki i częścią międzynarodowej sieci BDO, złożonej z niezależnych spółek członkowskich

sufficient to obtain assurance that all significant matters that might be identified in an audit, have been identified. Accordingly, we do not express an audit opinion on the accompanying condensed interim consolidated financial statements.

Conclusion

Based on our review, nothing has come to our attention that causes us to believe that the accompanying condensed interim consolidated financial statements have not been prepared, in all material respects, in accordance with the requirements of International Accounting Standard 34 Interim Financial Reporting, announced in the form of European Commission regulations.

BDO spółka z ograniczoną odpowiedzialnością sp.k. with its registered office in Warsaw

entered on the list of audit firms in number 3355

on behalf of which the review of financial statements was performed by

Signed on the Polish original

Artur Staniszewski Certified Auditor No. 9841

Warsaw, 20 August 2025