Turkcell issues TRY 500M short-term bond

Turkcell İletişim Hizmetleri A.Ş. completed a private financing bond issuance with a nominal amount of TRY 500,000,000.

Rhea-AI Filing Summary

Turkcell İletişim Hizmetleri A.Ş. completed a private financing bond issuance with a nominal amount of TRY 500,000,000. The fixed-rate debt security matures on September 25, 2026, with a maturity of 93 days and a single coupon payment on the maturity date.

The bond carries an annual simple interest rate of 40.25% and an annual compound rate of 46.6931%. It was sold in Türkiye to qualified investors only, within a previously approved TRY 15,000,000,000 issuance limit, and will not be traded on a stock exchange. JCR Avrasya assigned a long-term national rating of AAA (tr), classified as investment grade.

Insights

Credit and capital structure analyst

Turkcell adds short-term lira funding via rated private bond.

Turkcell issued a TRY 500,000,000 fixed-rate bond maturing on September 25, 2026, within a larger TRY 15,000,000,000 domestic issuance limit. The security targets qualified investors and is not exchange-listed, suggesting a tailored institutional placement.

The bond’s annual simple coupon of 40.25% (compound 46.6931%) reflects prevailing Turkish lira interest conditions and locks in funding for 93 days. A long-term national rating of AAA (tr) from JCR Avrasya, categorized as investment grade as of May 22, 2026, supports the issuer’s perceived credit quality in the local market.

Investors may focus on how this short-term borrowing fits within Turkcell’s broader TRY 15,000,000,000 program and upcoming cash needs around the single coupon and principal payment due on September 25, 2026, as disclosed in the redemption schedule.

Key Figures

Issuance limit: TRY 15,000,000,000 Bond nominal amount: TRY 500,000,000 Annual simple interest rate: 40.25% +4 more

7 metrics

Issuance limit TRY 15,000,000,000 Capital Markets Board-approved domestic issuance limit

Bond nominal amount TRY 500,000,000 Financing bond sold to qualified investors in Türkiye

Annual simple interest rate 40.25% Fixed yearly simple rate on the bond

Annual compound interest rate 46.6931% Fixed yearly compound rate on the bond

Maturity 93 days From June 24, 2026 to September 25, 2026

Coupon payments 1 payment Single coupon at maturity on September 25, 2026

Credit rating AAA (tr) Long Term National Rating by JCR Avrasya on May 22, 2026

Key Terms

qualified investors, private placement, annual simple interest, annual compound, +2 more

6 terms

qualified investors financial

"nominal amount of TRY 500,000,000 to qualified investors within Türkiye, without a public placement"

Qualified investors are individuals or institutions that meet regulatory standards—such as a minimum income, net worth, or professional expertise—allowing them access to investment opportunities not open to the general public. Think of them as a financial "VIP" group: they can buy private deals, complex products, or early-stage securities that may offer higher returns but also carry greater risk and less public information, so their status matters because it changes what investments are available and what protections apply.

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.

annual simple interest financial

"an annual simple interest of 40.25% with a nominal amount"

annual compound financial

"Interest Rate - Yearly Compound (%) | 46.6931"

investment grade financial

"Long Term National Rating AAA (tr) | 22.05.2026 | 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.

Rule 135c regulatory

"This press release is being issued pursuant to and in accordance with Rule 135c under the Securities Act."

FAQ

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

What type of bond did Turkcell (TKC) issue in June 2026?

Turkcell issued a short-term fixed-rate financing bond to qualified investors in Türkiye. The bond has a nominal amount of TRY 500,000,000, a 93-day maturity, a single coupon payment at maturity, and is structured as a private placement rather than a public or exchange-traded offering.

What are the interest rates on Turkcell’s TRY 500,000,000 bond?

The bond carries an annual simple interest rate of 40.25%. The filing also states an annual compound interest rate of 46.6931%. Interest is paid once at maturity, so investors receive both principal and the accrued interest together on the September 25, 2026 payment date.

When does Turkcell’s June 2026 financing bond mature and pay coupons?

The bond matures and pays its single coupon on September 25, 2026. The maturity and coupon payment date are both listed as September 25, 2026, with a record date of September 24, 2026, determining which qualified investors receive principal and interest.

Who can buy Turkcell’s new TRY bond and is it exchange traded?

The bond is sold only to qualified investors within Türkiye. It is structured as a private placement, described as “Sale To Qualified Investor,” and the filing notes that it is not traded on a stock exchange, limiting liquidity to private over-the-counter dealings.

What credit rating does Turkcell’s June 2026 bond have?

The bond benefits from Turkcell’s long-term national rating of AAA (tr). Rating agency JCR Avrasya Derecelendirme A.Ş. assigned this rating on May 22, 2026, and it is classified as investment grade in the filing, supporting confidence in the issuer’s local credit quality.

How does the TRY 500,000,000 bond fit into Turkcell’s overall issuance limit?

The bond is issued under a broader TRY 15,000,000,000 domestic limit. This limit was approved by the Capital Markets Board, and the June 2026 transaction uses a portion of that capacity for a 93-day financing bill sold to qualified investors in Türkiye.

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

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

See more from StockTitan in Google Search and AI answers. Adds StockTitan as a preferred source · opens Google

Add on Google Not now

Accepted by SEC EDGAR 06/24/2026 - 01:14 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 registrant’s financing bond issuance.

Istanbul, June 24, 2026

Announcement Regarding the Financing Bond Issuance

Within the scope of the TRY 15,000,000,000 issuance limit approved by the Capital Markets Board, the book building of the financing bond issuance of our Company with a maturity date of September 25, 2026, an annual simple interest of 40.25% with a nominal amount of TRY 500,000,000 to qualified investors within Türkiye, without a public placement was completed, and the securities will be transferred to the investor accounts on June 24, 2026 (today).

Board Decision Date	: 06.11.2025
Related Issue Limit Info
Currency Unit	: TRY
Limit	: 15,000,000,000
Issue Limit Security Type	: Debt Securities
Sale Type	: Private Placement-Sale to Qualified Investor
Domestic / Oversea	: Domestic
Capital Market Board Approval Date	: 17.06.2026
Capital Market Instrument to be Issued Info
Type	: Bill
Maturity Date	: 25.09.2026
Maturity (Day)	: 93
Sale Type	: Sale To Qualified Investor
Intended Nominal Amount	: 500,000,000
Intended Maximum Nominal Amount	: -
The country where the issue takes place	: Türkiye
Title Of Intermediary Brokerage House	:
Central Securities Depository	: Merkezi Kayıt Kuruluşu A.Ş.
Starting Date of Sale	: 23.06.2026
Ending Date of Sale	: 24.06.2026
Nominal Value of Capital Market Instrument Sold	: 500,000,000
Maturity Starting Date	: 24.06.2026
Issue Price	: 1
Interest Rate Type	: Fixed
Interest Rate - Yearly Simple (%)	: 40.2500
Interest Rate - Yearly Compound (%)	: 46.6931
Traded in the Stock Exchange	: No
Payment Type	: TL Payment
ISIN Code	: TRFTCEL92628
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	25.09.2026	24.09.2026	25.09.2026	10.2555
Principal/Maturity Date Payment Amount	25.09.2026	24.09.2026	25.09.2026

* 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)	22.05.2026	Yes

For more information:

Turkcell Investor Relations

investor.relations@turkcell.com.tr

Tel: + 90 212 313 1888

Disclaimer

This press release does not constitute an offer to sell, or a solicitation of offers to purchase or subscribe for securities in the United States or any other jurisdiction in which such offer or solicitation would be unlawful. The securities referred to herein have not been and will not be registered under the U.S. Securities Act of 1933, as amended (the "Securities Act"), and may not be offered, sold or delivered within the United States or to or for the benefit of, US persons (as defined in Regulation S under the Securities Act) absent registration or an applicable exemption from the registration requirements of the Securities Act. This press release is being issued pursuant to and in accordance with Rule 135c under the Securities Act.

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