TÜRK TELEKOMÜNİKASYON A.Ş.

Capital/Financing Update • Sep 25, 2025

Summary Info	Capital Markets Board's Approval of Debt Instrument Issuance
Update Notification Flag	Yes
Correction Notification Flag	No
Postponed Notification Flag	No

Authorized Member Decision Date	29.07.2025
Issue Limit	1.000.000.000
Currency Unit	USD
Issue Limit Security Type	Green/Sustainability Themed Capital Market Instruments (Debt Intstrument)
Sale Type	Oversea
Domestic / Oversea	Oversea
Capital Market Board Application Date	29.07.2025
Capital Market Board Application Result	APPROVAL
Capital Market Board Approval Date	07.08.2025
Expiry Date of Issue Limit	07.08.2026

Additional Explanations

Pursuant to our disclosure dated July 29, 2025 the Capital Markets Board (CMB) has approved our application for the issuance of capital market instruments for up to a total amount of USD 1 Billion or equivalent in the form of Green/Sustainable Debt overseas on 07.08.2025. The approved issuance certificate is attached. In addition, the Sustainable Finance Framework approved by the Board of Directors of our Company and the Second Party Opinion (SPO) assessing the alignment of the Framework with the required international standards are also available in Investor Relations website. https://www.ttinvestorrelations.com/en-us/pages/home-page/

Supplementary Documents

Appendix: 1	Ek_1_IhracBelgesi..pdf
Appendix: 2	Borçlanma Aracı İhraç Formu7082025.pdf