Turkcell (NYSE: TKC) plans August 13 release of Q2 2026 results

Rhea-AI Filing Summary

Turkcell İletişim Hizmetleri A.Ş. announces its calendar for second quarter 2026 financial results. Results for the period from April 1, 2026 to June 30, 2026 are planned to be publicly released on August 13, 2026 after Borsa Istanbul trading hours, with investor relations contact details provided.

Key Figures

Q2 2026 results release date: August 13, 2026 Quarter period start: April 1, 2026 Quarter period end: June 30, 2026

3 metrics

Q2 2026 results release date August 13, 2026 Planned public announcement after Borsa Istanbul trading hours

Quarter period start April 1, 2026 Beginning of financial reporting period for second quarter 2026

Quarter period end June 30, 2026 End of financial reporting period for second quarter 2026

Key Terms

foreign private issuer, Form 20-F, Borsa Istanbul

3 terms

foreign private issuer regulatory

"Report of <b>foreign private issuer</b> pursuant to Rule 13a-16"

A foreign private issuer is a company organized outside the United States that meets tests showing it is primarily foreign-controlled and therefore qualifies for a different set of U.S. reporting rules. For investors, that means the company files less frequent or differently formatted disclosures with U.S. regulators and may follow home-country accounting and governance practices, so buying its stock is like dining at a well-reviewed restaurant that follows its home kitchen’s rules instead of the local menu — you get access but should check what standards apply.

Form 20-F regulatory

"Files annual reports under cover of <b>Form 20-F</b>"

Form 20-F is the standardized annual disclosure that non-U.S. companies must file with the U.S. securities regulator when their shares are traded in the U.S.; it contains audited financial statements, a plain-language description of the business, management discussion, governance details and key risk factors. It matters to investors because it provides a consistent, comparable company “report card” and rulebook, helping buyers assess financial health, governance and risks before investing.

Borsa Istanbul market

"Planned to be announced after <b>Borsa Istanbul</b> trading hours"

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

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Available on EDGAR 07/23/2026 - 01:27 PM Accepted by SEC EDGAR 07/23/2026 - 01:26 PM Learn about SEC filing dates

FAQ

When will Turkcell (TKC) release its Q2 2026 financial results?

Turkcell plans to release its Q2 2026 financial results on August 13, 2026 after Borsa Istanbul trading hours. This date covers results for the quarter from April 1, 2026 through June 30, 2026.

What period does Turkcell (TKC) Q2 2026 cover?

Turkcell’s Q2 2026 financial period covers April 1, 2026 to June 30, 2026. The company plans to announce results for this period on August 13, 2026 after Borsa Istanbul trading hours.

On which exchange’s hours is Turkcell (TKC) timing its Q2 2026 release?

Turkcell plans to publish its Q2 2026 results after Borsa Istanbul trading hours on August 13, 2026. This timing relates specifically to the close of trading on Borsa Istanbul that day.

How can investors contact Turkcell (TKC) about the Q2 2026 results?

Investors can contact Turkcell Investor Relations via email at investor.relations@turkcell.com.tr or by phone at +90 212 313 1888 for questions related to the Q2 2026 financial results.

What type of SEC filer is Turkcell (TKC) for these disclosures?

Turkcell is a foreign private issuer and provides its U.S. disclosures as a company that files annual reports under cover of Form 20-F in connection with this report.

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 July 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 July 23, 2026 announcing the the registrant's second quarter 2026 financial results calendar.

Istanbul, July 23, 2026

Announcement Regarding 2^nd Quarter 2026 Financial Results Calendar

Our Company's financial results for the period April 1, 2026 – June 30, 2026 are planned to be publicly announced on August 13, 2026 after Borsa Istanbul trading hours.

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: July 23, 2026	By:	/s/ Özlem Yardım
		Name:	Özlem Yardım
		Title:	Investor Relations Corporate Finance Director

	TURKCELL İLETİŞİM HİZMETLERİ A.Ş.
Date: July 23, 2026	By:	/s/ Kamil Kalyon
		Name:	Kamil Kalyon
		Title:	Chief Financial Officer