Turkcell unit's capital rises to TRY 14 billion

Turkcell states that its pre-emption rights in the subsidiary’s capital increase were fully paid in cash.

Available on EDGAR 11/03/2026 - 04:11 PM EST Accepted by SEC EDGAR 11/03/2026 - 04:10 PM EST Learn about SEC filing dates

Rhea-AI Filing Summary

Turkcell reported that the capital of its wholly owned subsidiary, Turkcell Teknoloji Araştırma ve Geliştirme A.Ş., increased by TRY 13,996,300,000 to TRY 14,000,000,000. Turkcell’s pre-emption rights with respect to the increase were fully paid in cash.

Key Figures

Capital increase: TRY 13,996,300,000 Capital after increase: TRY 14,000,000,000

2 metrics

Capital increase TRY 13,996,300,000 Increase in the capital of Turkcell Teknoloji

Capital after increase TRY 14,000,000,000 Capital of Turkcell Teknoloji

Key Terms

pre-emption rights, wholly-owned subsidiary, capital increase

3 terms

pre-emption rights financial

"Our Company's pre-emption rights with respect to the capital increase"

A shareholder’s right to be offered new shares before they are sold to outsiders, allowing existing owners to buy enough to keep their ownership percentage. Think of it like being offered the first slice of a pie so your share doesn’t shrink; it matters to investors because it protects voting power and economic value from being diluted when a company issues more stock, and it can affect how easy or costly fundraising is.

wholly-owned subsidiary financial

"our Company's wholly-owned subsidiary"

A wholly-owned subsidiary is a company whose entire ownership is held by another company, called the parent, so the parent controls all shares, board appointments and major decisions. For investors this matters because the subsidiary’s profits, losses, assets and liabilities are treated as part of the parent’s financial picture, affecting valuation and risk exposure — imagine a parent owning a single storefront outright and consolidating its receipts and bills into the parent’s books.

capital increase financial

"Announcement Regarding the Capital Increase in Turkcell Teknoloji"

A capital increase is when a company raises new equity funding by issuing additional shares or otherwise expanding its ownership base. Investors watch these moves because they supply cash for growth, acquisitions or debt reduction, but they can also reduce each existing share’s ownership and claim on profits—like adding more slices to a pizza: the pie may grow, but each slice can become smaller unless overall value increases proportionally.

FAQ

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

How much did Turkcell Teknoloji's capital increase?

Turkcell Teknoloji’s capital increased by TRY 13,996,300,000 to TRY 14,000,000,000.

How did Turkcell pay for its pre-emption rights?

Turkcell’s pre-emption rights with respect to the capital increase were fully paid in cash.

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

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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 November 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 November 3, 2026 announcing the registrant’s capital increase in Turkcell Teknoloji.

Istanbul, November 03, 2026

Announcement Regarding the Capital Increase in Turkcell Teknoloji

The capital of our Company's wholly-owned subsidiary, Turkcell Teknoloji Araştırma ve Geliştirme A.Ş. ("Turkcell Teknoloji"), has been increased by TRY 13,996,300,000 to TRY 14,000,000,000. Our Company's pre-emption rights with respect to the capital increase is fully paid in cash.

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: November 3, 2026	By:	/s/ Özlem Yardım
		Name:	Özlem Yardım
		Title:	Investor Relations Corporate Finance Director

	TURKCELL İLETİŞİM HİZMETLERİ A.Ş.
Date: November 3, 2026	By:	/s/ Kamil Kalyon
		Name:	Kamil Kalyon
		Title:	Chief Financial Officer