Turkiye Garanti Bankasi A.S.: Selection of the Independent Audit Company

TO: Investment Community

FROM : Garanti BBVA / Investor Relations

SUBJECT: Selection of the Independent Audit Company

DATE: February 16, 2026

It was resolved by our Board of Directors that, according to Article 399 of the Turkish Commercial Code, Güney Bağımsız Denetim ve Serbest Muhasebeci Mali Müşavirlik A.Ş. (EY) be selected as the external auditor of the Bank for the audit of 2026 accounting period and for the sustainability audit of the reports to be prepared for the year 2026 in accordance with the Turkish Sustainability Reporting Standards published by the Public Oversight, Accounting and Auditing Standards Authority and such selection be submitted for shareholders’ approval in the forthcoming General Assembly Meeting.

*In contradiction between the Turkish and English versions of this public disclosure, the Turkish version shall prevail.

We declare that our above statements are in conformity with the principles included in the Board’s Communiqué, Serial II Nr.15.1, that it exactly reflects the information we received; that the information complies with our records, books and documents; that we did our best to obtain the correct and complete information relative to this subject and that we are responsible for the declarations made in this regard.

Yours sincerely,

Garanti BBVA

Contact Garanti BBVA Investor Relations:

Tel: +90 212 318 2352

Fax: +90 212 216 5902

E-mail: investorrelations@garantibbva.com.tr

www.garantibbvainvestorrelations.com