Turkiye Garanti Bankasi A.S.: Garanti Bankas and Türk Hava Yollar A.O., Miles&Smiles Credit Card agreement

TO: Investment Community

FROM : Garanti BBVA / Investor Relations

SUBJECT: Garanti Bankas and Türk Hava Yollar A.O., Miles&Smiles Credit Card agreement

DATE: May 11, 2023

Our Bank and Türk Hava Yollar A.O. ("THY") have executed a new agreement in order to extend the term of their on-going collaboration until April 1st, 2028 with respect to providing Miles&Smiles Credit Cards to THY Frequent Flyer Program members.

*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 Boards 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