[CONSOLIDATION_METHOD_TITLE] [CONSOLIDATION_METHOD]
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English
oda_WinningATenderAbstract|
Tender Process / Result
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Update Notification Flag
Evet (Yes)
oda_CorrectionAnnouncementFlag|
Correction Notification Flag
Hayır (No)
oda_DateOfThePreviousNotificationAboutTheSameSubject|
Date Of The Previous Notification About The Same Subject
-
oda_DelayedAnnouncementFlag|
Postponed Notification Flag
Hayır (No)
oda_AnnouncementContentSection|
Announcement Content
oda_SubjectOfTender|
Subject of Tender
Authorisation for Deploying and Operating Mobile ElectroniCommunication Infrastructures and Providing Related Services, and Inclusion of Infrastructures and Services under the Existing Authorisations Expiring on April 30, 2029, Within The Scope of This Authorisation ("Tender")
oda_PartyOpenedTender|
Party Opened Tender
Information and Communication Technologies Authority (ICTA)
oda_BoardDecisionOnBidForTender|
Board Decision On Bid for Tender
03.10.2025
oda_OtherPartiesIfParticipatedInTheTenderAsAGroup|
Other Parties if Participated in The Tender as a Group
-
oda_ShareOfTheCompanyIfParticipatedInTheTenderAsAGroup|
Share of the Company if Participated in the Tender as a Group
-
oda_DateOfTenderBid|
Date of Tender Bid
16/10/2025
oda_EndingUpDateOfTheTender|
Ending Up Date of The Tender
16/10/2025
oda_TenderResult|
Tender Result
It has been shared in the Explanations section.
oda_TenderValue|
Tender Value
USD 2,945 million + VAT
oda_ShareOfCompanyInTenderValue|
Share of Company in Tender Value
USD 1,094 million + VAT
oda_RatioOfTenderValueCorporateShareAmountToGrossSalesRevenueOnPubliclyDisclosedTheLatestFinancialStatementOfCompany|
Ratio Of Tender Value Corporate Share Amount To Gross Sales Revenue On Publicly Disclosed The Latest Financial Statement Of Company (%)
%28 (2024 Year-End Independent Audited Consolidated Revenue Ratio)
oda_ExplanationSection|
Explanations
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In accordance with Türk Telekom Group's strategic plans, our subsidiary TT Mobil İletişim Hizmetleri A.Ş. (TT Mobil) has attended the tender held on October 16, 2025, by the ICTA and won the below packages;

• A3 package, 2x10 MHz bandwidth in 700 MHz frequency for USD 425 million
• B2 package, 1x80 MHz bandwidth in 3500 MHz frequency for USD 209 million
• B7 package, 1x20 MHz bandwidth in 3500 MHz frequency for USD 212 million,
• B8 package, 1x20 MHz bandwidth in 3500 MHz frequency for USD 248 million,

As a result of this tender TT Mobil,

• becomes the operator with the largest capacity per subscriber in the 3.5 GHz frequency, the most critical frequency for 5G holding the largest frequency in total,
• increases its share of total frequency band ownership in the market with a total bandwidth of 315 MHz.

Total spectrum fee is USD 1,094 million + VAT. The payments for spectrum fee (excluding VAT) will be made in three equal instalments on 02.01.2026, 25.12.2026 and 02.05.2027.

Separately, for the extension of existing authorisations (2G, 3G and 4.5G) which expire in 2029, starting from 2029 till 31.12.2042, operators shall pay 5 per cent. of their annual mobile gross sales (excluding VAT) for the year 2029 (between 30 April 2029 and 31 December 2029), and for the following years (until 2042).

The authorisation process will be completed once all legal requirements have been fulfilled in accordance with the relevant legislation.