TURKCELL İLETİŞİM HİZMETLERİ A.Ş.

Transaction in Own Shares • Nov 12, 2025

Summary Info	Announcement Regarding the Share Buy-back Transactions
Update Notification Flag	Yes
Correction Notification Flag	No
Postponed Notification Flag	No

Company Performs the Buy-Back	TURKCELL İLETİŞİM HİZMETLERİ A.Ş.
Company Subject to Buy-Back	TURKCELL İLETİŞİM HİZMETLERİ A.Ş.

Type Of Buy-Back	Within The Frame Of Buy-Back Program
Board Decision Date	25.03.2025
If Any, Duration Of Buy-Back Program	The Buyback Program will be valid for a maximum period of 3 years starting from the date of approval by the General Assembly
Maximum Amount Of Shares To Be Acquired (Nominal TL)	220.000.000
Total Amount Of The Fund Set Aside For Acqusition	8.500.000.000

Details of Buy-Back

Code of Share Subject to Buy-back	Transaction Date	Nominal Value of Shares Subject to Transaction (TRY)	Ratio To Capital (%)	Transaction Price (TRY / Unit)	Nominal Value Of Shares Previously Buy-Backed Within The Frame Of The Program (TRY)	Privileges, If Any, Associated With These Shares
B Grubu, TCELL, TRATCELL91M1	12.11.2025	2.093.944	0,09518	95,58

Additional Explanations

Within the scope of our Company's buy-back program, with the aim of protecting the interests of our stakeholders and supporting healthy price formation in the market while maintaining the fair value of our shares, on November 12, 2025, a total of 2,093,944 shares were purchased at an average price level of TRY 95.58. The total transaction value is TRY 200,141,178.

Supplementary Documents

Appendix: 1	Geri Alım Programı.pdf - Buy-Back Program