Turkcell (NYSE: TKC) wins approval for TRY 15B domestic debt program

Rhea-AI Filing Summary

Turkcell İletişim Hizmetleri A.Ş. reports that Türkiye’s Capital Markets Board has approved its application to issue domestic debt securities with an issue limit of 15,000,000,000 TRY. The approval, granted on June 17, 2026, covers a domestic private placement to qualified investors and remains valid until June 17, 2027.

Insights

Corporate finance analyst

Turkcell secures approval for a large domestic debt program, expanding future funding options.

Turkcell obtained Capital Markets Board approval to issue up to 15,000,000,000 TRY in domestic debt securities via private placements to qualified investors. The approval is tied to a program-style issue limit valid until June 17, 2027.

This structure gives the company flexibility to time future debt placements within the approved ceiling, but actual leverage effects depend on how much of the limit it uses. The filing does not detail interest costs or specific maturities, so the financial impact will hinge on later issuances and market conditions at those dates.

Key Figures

Debt issue limit: 15,000,000,000 TRY CMB approval date: June 17, 2026 Issue limit expiry: June 17, 2027 +3 more

6 metrics

Debt issue limit 15,000,000,000 TRY Maximum aggregate nominal amount of domestic debt securities

CMB approval date June 17, 2026 Date Capital Markets Board approved debt instrument issuance

Issue limit expiry June 17, 2027 End of validity period for the approved debt issue limit

CMB decision number 37/1125 Formal decision reference for approval of issuance

Company application date April 22, 2026 Date Turkcell applied to Capital Markets Board

Authorized member decision date June 11, 2025 Internal decision date related to the issue limit

Key Terms

Capital Markets Board, debt instrument issuance, Debt Securities, Private Placement, +1 more

5 terms

Capital Markets Board regulatory

"the Capital Markets Board approved our application to issue domestic debt instrument"

debt instrument issuance financial

"announcement regarding the CMB Approval of Debt Instrument Issuance"

Debt Securities financial

"Issue Limit Security Type | Debt Securities"

Debt securities are tradable IOUs issued by governments, companies or other groups to borrow money from investors, promising regular interest payments and return of the original loan at a set date. They matter because they provide predictable income and can reduce overall portfolio risk, but their market price and safety depend on interest rates and the issuer’s ability to repay—think of lending money to someone who pays you interest until they return the loan.

Private Placement financial

"Sale Type | Private Placement – Sale to Qualified Investor"

A private placement is a sale of securities directly to a selected group of investors, typically institutions or accredited investors, instead of through a public offering. It lets a company raise money faster and with fewer regulatory steps; for existing shareholders it matters because the newly issued shares, often sold at a discount, increase the share count and can dilute their ownership.

qualified investor financial

"Private Placement – Sale to Qualified Investor"

AI-generated analysis. How Rhea-AI works. Not financial advice.

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FAQ

What debt issuance approval did Turkcell (TKC) receive in June 2026?

Turkcell received Capital Markets Board approval to issue domestic debt securities with an issue limit of 15,000,000,000 TRY. The program allows private placements to qualified investors within Türkiye under this ceiling.

What is the size of Turkcell (TKC)'s approved domestic debt program?

The approved domestic debt program has an issue limit of 15,000,000,000 TRY. This ceiling defines the maximum aggregate nominal amount of debt securities Turkcell can issue under the approval period.

When did the Capital Markets Board approve Turkcell (TKC)'s debt issuance?

The Capital Markets Board approved Turkcell’s domestic debt instrument issuance application on June 17, 2026. This decision followed an application dated April 22, 2026, and formalized the issue limit for future offerings.

How long is Turkcell (TKC)'s debt issuance limit valid?

The issue limit for Turkcell’s domestic debt securities is valid until June 17, 2027. Within this period, the company may conduct one or more private placements to qualified investors up to the approved TRY 15 billion cap.

What type of investors can buy Turkcell (TKC)'s approved debt securities?

The approved debt securities are designated for private placement to qualified investors. This means sales are limited to institutional or otherwise eligible investors rather than a broad public offering in the domestic market.

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 6-K

REPORT OF FOREIGN PRIVATE ISSUER

PURSUANT TO RULE 13a-16 OR 15d-16

UNDER THE SECURITIES EXCHANGE ACT OF 1934

For the month of June 2026

Commission File Number: 001-15092

TURKCELL İLETİŞİM HİZMETLERİ A.Ş.

(Translation of registrant’s name into English)

Turkcell Küçükyalı Plaza

Aydınevler Mahallesi, İsmet İnönü Caddesi, No:20

Küçükyalı B Blok Ofispark

34854 Maltepe
Istanbul, Türkiye

(Address of Principal Executive Offices)

Indicate by check mark whether the registrant files or will file annual reports under cover of Form 20-F or Form 40-F:

x Form 20-F  ¨ Form 40-F

Enclosure: A press release dated June 22, 2026 announcing the CMB approval of the registrant's debt instrument issuance.

 

Istanbul, June 22, 2026

Announcement Regarding the CMB Approval of Debt Instrument Issuance

With reference to our Company's announcement dated April 22, 2026, the Capital Markets Board approved our application to issue domestic debt instrument on June 17, 2026 with the decision number 37/1125.

Authorized Member Decision Date	06.11.2025
Issue Limit and Currency Unit	15,000,000,000 TRY
Issue Limit Security Type	Debt Securities
Sale Type	Private Placement – Sale to Qualified Investor
Domestic/Oversea	Domestic
Capital Market Board Application Date	22.04.2026
Capital Market Board Application Result	Approval
Capital Market Board Approval Date	17.06.2026
Expiry Date of Issue Limit	17.06.2027

For more information:

Turkcell Investor Relations

investor.relations@turkcell.com.tr

Tel: + 90 212 313 1888

1

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, Turkcell İletişim Hizmetleri A.Ş. has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.

	TURKCELL İLETİŞİM HİZMETLERİ A.Ş.
Date: June 22, 2026	By:	/s/ Özlem Yardım
		Name:	Özlem Yardım
		Title:	Investor Relations Corporate Finance Director

	TURKCELL İLETİŞİM HİZMETLERİ A.Ş.
Date: June 22, 2026	By:	/s/ Kamil Kalyon
		Name:	Kamil Kalyon
		Title:	Chief Financial Officer