KAPEKS KİMYA SANAYİ A.Ş. (Sorumluluk Beyanı (Konsolide))

Statement Of Responsıbılıty Pursuant To Artıcle 9 Of The Capıtal Markets Board Communıqué No. Iı-14.1 On Prıncıples Of Fınancıal Reportıng In Capıtal Markets

Decision Date: November 9, 2026
 Decision No.: 2026/50

With respect to the documents deemed appropriate for public disclosure by our Board of Directors pursuant to this resolution, we hereby declare that:

a) We have reviewed the Financial Statements and Notes thereto and the Annual Report of our Company for the period January 1, 2026 – September 30, 2026, prepared in accordance with the provisions of the Capital Markets Board Communiqué No. II-14.1;

b) To the best of our knowledge, within the scope of our duties and responsibilities at the Company, the financial statements and notes thereto and the annual report do not contain any untrue statement on any material matter or any omission that may cause the information disclosed to be misleading as of the date of disclosure;

c) To the best of our knowledge, within the scope of our duties and responsibilities at the Company, the financial statements and notes thereto prepared in accordance with the said Communiqué fairly reflect the Company's assets, liabilities, financial position and profit or loss, and the annual report fairly reflects the development and performance of the business and the Company's financial position, together with the significant risks and uncertainties faced by the Company.

Sincerely,

Hakan Kaya
 Chairman of the Board of Directors

Müfit Erdil
 Vice Chairman of the Board of Directors

Hasan Hatunoğlu
 Member of the Board of Directors

Gökhan Aydın
 Member of the Board of Directors

Ümit Kılıç
 Member of the Board of Directors

The English translation of this disclosure is attached hereto. In the event of any discrepancy between the Turkish and English versions of this disclosure, the Turkish version shall prevail.