Turkcell redeems TRY 530m short-term bond

Turkcell İletişim Hizmetleri A.Ş. redeemed its short‑term financing bond with ISIN TRFTCEL62621 on June 24, 2026.

Rhea-AI Filing Summary

Turkcell İletişim Hizmetleri A.Ş. redeemed its short‑term financing bond with ISIN TRFTCEL62621 on June 24, 2026. The bond had a nominal amount of TRY 530,000,000, a maturity of 89 days and carried a fixed annual simple interest rate of 41.00%.

The issue was a domestic private placement sold to qualified investors at an issue price of 1, with a single coupon. The coupon payment amount was TRY 52,985,478, and rating agency JCR Avrasya assigned a Long Term National Rating of AAA (tr), assessed as investment grade.

Key Figures

Bond nominal amount: TRY 530,000,000 Annual simple interest rate: 41.00% Annual compound interest rate: 47.81284% +5 more

8 metrics

Bond nominal amount TRY 530,000,000 Financing bond ISIN TRFTCEL62621 nominal value

Annual simple interest rate 41.00% Fixed yearly simple interest on the bond

Annual compound interest rate 47.81284% Yearly compound interest rate for the bond

Coupon payment amount TRY 52,985,478 Single coupon paid on June 24, 2026

Maturity 89 days Bond term from March 27, 2026 to June 24, 2026

Periodic interest rate 9.99726% Interest rate for the single coupon period

Debt program issue limit TRY 10,000,000,000 Overall related issue limit for debt securities

Issuer rating AAA (tr), investment grade Long Term National Rating by JCR Avrasya as of May 29, 2025

Key Terms

Private Placement-Sale to Qualified Investor, Fixed Interest Rate - Yearly Simple, Central Securities Depository, Long Term National Rating AAA (tr), +1 more

5 terms

Private Placement-Sale to Qualified Investor financial

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

Fixed Interest Rate - Yearly Simple financial

"Interest Rate Type | Fixed Interest Rate - Yearly Simple (%) | 41.00000"

Central Securities Depository financial

"Central Securities Depository | Merkezi Kayıt Kuruluşu A.Ş."

A central securities depository (CSD) is a specialized institution that holds and records ownership of stocks, bonds and other financial instruments electronically, acting like a secure digital vault and official ledger. It matters to investors because the CSD makes buying and selling faster and safer by ensuring ownership transfers are accurately recorded and settled, reducing the risk of lost certificates, settlement mistakes and unnecessary costs—similar to how a bank safeguards and tracks your cash.

Long Term National Rating AAA (tr) financial

"Long Term National Rating AAA (tr) | 29.05.2025 | Yes"

investment grade financial

"Long Term National Rating AAA (tr) | 29.05.2025 | Yes"

A credit rating label assigned to bonds or borrowers that signals relatively low risk of default; think of it as a strong health check for a company's or government's ability to repay debt. It matters to investors because investment-grade status typically means lower interest costs for the borrower, greater eligibility for conservative funds and pension portfolios, and generally more stable returns compared with higher-risk, non-investment-grade debt.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What bond did Turkcell (TKC) redeem on June 24, 2026?

Turkcell redeemed its financing bond with ISIN TRFTCEL62621 on June 24, 2026. The bond had a nominal amount of TRY 530,000,000, a short 89‑day maturity and was structured as a domestic private placement to qualified investors in Türkiye.

What were the main terms of Turkcell (TKC) bond TRFTCEL62621?

The bond carried a 41.00% annual simple fixed interest rate over an 89‑day term. It had a nominal value of TRY 530,000,000, an issue price of 1, and a single coupon payment structure, sold domestically to qualified investors through private placement.

How much interest did Turkcell (TKC) pay on bond TRFTCEL62621?

The single coupon payment on the bond amounted to TRY 52,985,478. This payment was made on June 24, 2026, alongside the redemption of the TRY 530,000,000 principal, reflecting a periodic interest rate of 9.99726% over the 89‑day maturity.

Was Turkcell (TKC) bond TRFTCEL62621 considered investment grade?

Yes, the bond carried an investment‑grade national rating. Rating agency JCR Avrasya Derecelendirme A.Ş. assigned a Long Term National Rating of AAA (tr) on May 29, 2025, and explicitly classified this rating level as investment grade for the issuer.

What was the size of Turkcell (TKC) debt issuance program linked to this bond?

The related issue limit for Turkcell’s debt securities program was TRY 10,000,000,000. Within this broader limit, the company intended a nominal TRY 500,000,000 for this bill, ultimately selling TRY 530,000,000 in the TRFTCEL62621 bond.

How and when was Turkcell (TKC) bond TRFTCEL62621 sold?

The bond was sold by private placement to qualified investors on March 26, 2026. The maturity starting date was March 27, 2026, and the bond was structured as a domestic Turkish lira instrument traded on the stock exchange with TL payment terms.

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

Form 6-K: How Foreign Companies Report to the SEC →

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Accepted by SEC EDGAR 06/24/2026 - 03:49 PM Learn about SEC filing dates

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 24, 2026 announcing the redemption of the registrant's bond with ISIN code TRFTCEL62621.

Istanbul, June 24, 2026

Announcement Regarding the Redemption of the Bond with ISIN Code TRFTCEL62621

Within the scope of our Company's announcement dated March 27, 2026, the redemption and coupon payment of the financing bond with ISIN code TRFTCEL62621 with a nominal amount of TRY 530,000,000 a maturity of 89 days and an annual simple interest rate of 41.00% was made on June 24, 2026 (today).

Board Decision Date	: 25.03.2025
Related Issue Limit Info
Currency Unit	: TRY
Limit	: 10,000,000,000
Issue Limit Security Type	: Debt Securities
Sale Type	: Private Placement-Sale to Qualified Investor
Domestic / Oversea	: Domestic
Capital Market Board Approval Date	: 13.06.2025
Capital Market Instrument to be Issued Info
Type	: Bill
Maturity Date	: 24.06.2026
Maturity (Day)	: 89
Sale Type	: Sale To Qualified Investor
Intended Nominal Amount	: 500,000,000
The country where the issue takes place	: Türkiye
Title Of Intermediary Brokerage House	: ZİRAAT YATIRIM MENKUL DEĞERLER A.Ş.
Central Securities Depository	: Merkezi Kayıt Kuruluşu A.Ş.
Starting Date of Sale	: 26.03.2026
Ending Date of Sale	: 26.03.2026
Nominal Value of Capital Market Instrument Sold	: 530,000,000
Maturity Starting Date	: 27.03.2026
Issue Price	: 1
Interest Rate Type	: Fixed
Interest Rate - Yearly Simple (%)	: 41.00000
Interest Rate - Yearly Compound (%)	: 47.81284
Traded in the Stock Exchange	: Yes
Payment Type	: TL Payment
ISIN Code	: TRFTCEL62621
Coupon Number	: 1
Currency Unit	: TRY
Coupon Payment Frequency	: Single Coupon

1

Redemption Plan of Capital Market Instrument Sold

Coupon Number	Payment Date	Record Date*	Payment Date	Interest Rate - Periodic (%)	Payment Amount	Exchange Rate	Was The Payment Made?
1	24.06.2026	23.06.2026	24.06.2026	9.99726	52,985,478
Principal/Maturity Date Payment Amount	24.06.2026	23.06.2026	24.06.2026		530,000,000

* The date on which the beneficiaries are determined.

Issuer Rating Note

Rating Company	Rating Note	Rating Date	Is it Investment Grade?
JCR AVRASYA DERECELENDİRME A.Ş.	Long Term National Rating AAA (tr)	29.05.2025	Yes

For more information:

Turkcell Investor Relations

investor.relations@turkcell.com.tr

Tel: + 90 212 313 1888

2

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 24, 2026	By:	/s/ Özlem Yardım
		Name:	Özlem Yardım
		Title:	Investor Relations Corporate Finance Director

	TURKCELL İLETİŞİM HİZMETLERİ A.Ş.
Date: June 24, 2026	By:	/s/ Kamil Kalyon
		Name:	Kamil Kalyon
		Title:	Chief Financial Officer