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 Report on Form 6-K dated March 31, 2022 Commission File Number: 001-15092 TURKCELL ILETISIM HIZMETLERI A.S. Yes ¨ No x (Translation of registrant's name in English) Aydınevler Mahallesi İnönü Caddesi No:20 Küçükyalı Ofispark 34854 Maltepe Istanbul, Turkey (Address of Principal Executive Offices) Indicate by check mark wh ...

Turkcell Iletisim Hizmetleri A.S. (NYSE:TKC) Q3 2021 Earnings Conference Call November 4, 2021 1:00 PM ET Company Participants Ali Serdar Yagci – Investor Relations and Corporate Finance Director Murat Erkan – Chief Executive Officer Osman Yilmaz – Chief Financial Officer Conference Call Participants Jonathan Kennedy-Good – JPMorgan Ivan Kim – Xtellus Capital Ondrej Cabejsek – UBS Nora Nagy – Erste Group Kayahan Demirak – AK Investment Operator Ladies and gentlemen, thank you for standing by. I'm Konstantin ...

| --- | --- | --- | --- | --- | --- | |-------|------------|--------------------------|-------|-------|-------------| | (P) O | fizy | TURKCELL GROUP | TV+ | | HO TURKCELL | | | isTurkcell | | | | | | GNC 0 | GAME+ | Q3 2021 November 4, 2021 | | h | | | --- | --- | --- | |-------|-------|-------| | | | | | | | | Q3 2021 Highlights Strong Subscriber Gain Enabled Solid Results REVENUE GROWTH 22.3% EBITDA GROWTH 18.7% 4.0Bn TL EBITDA NET INCOME 1.4Bn TL Up 18.0% YoY LEVERAGE 0.9x Healthy leverage | --- | --- | ...

Turkcell Iletisim Hizmetleri A.S. (NYSE:TKC) Q2 2021 Earnings Conference Call August 12, 2021 1:00 PM ET Company Participants Ali Serdar Yagci - Investor Relations and Corporate Finance Director Murat Erkan - Chief Executive Officer Osman Yilmaz - Chief Financial Officer Conference Call Participants Cabejsek Ondrej - UBS Degtyarev Vyacheslav - Goldman Sachs Mandaci Ece - UNLU Securities Demirtas Cemal - Ata Invest Demirak Kayahan - Ak Investment Operator Ladies and gentlemen, thank you for standing by. I am ...

Financial Data and Key Metrics Changes - The company reported a 17.5% top-line growth, generating TRY7.8 billion in consolidated revenue [6] - EBITDA reached TRY3.3 billion, reflecting a 17.7% growth with a 42.2% EBITDA margin [6][36] - Net income was TRY1.1 billion, marking a 26.6% year-on-year growth [6][36] Business Line Data and Key Metrics Changes - Mobile segment saw a net addition of 410,000 postpaid and 190,000 prepaid subscribers, with postpaid customer base reaching 22.4 million [7] - Fixed broadband segment added 50,000 fiber subscribers and 23,000 net additions to fixed-wireless access service Superbox [9] - IPTV customer base grew by 49,000, now serving 61% of residential fiber customers [10] Market Data and Key Metrics Changes - Average mobile data usage increased by 29% year-on-year to 12.6 gigabytes per user [12] - The company’s international revenue, comprising 9% of consolidated revenue, grew by around 27% year-on-year, driven by strong growth in Ukraine [29] Company Strategy and Development Direction - The company focuses on a customer-centric strategy supported by a diversified business model, which has led to solid growth in subscribers [5] - Plans to enhance digital services and expand Techfin business, which includes consumer finance and payment services [38][19] - The company aims to increase fiber home passes by 500,000 annually over the next three years [73] Management's Comments on Operating Environment and Future Outlook - Management expressed confidence in achieving full-year guidance despite challenges posed by the pandemic [6] - The company anticipates double-digit ARPU growth in upcoming quarters, with expectations of inflation declining towards the end of the year [61] - Management highlighted the importance of digitalization for Turkey's sustainable economic growth and ongoing preparations for 5G [65] Other Important Information - The company has committed to using energy exclusively from renewable sources by 2030 [31] - A dividend of TRY2.6 billion was approved during the Annual General Assembly [34] - The company is exploring asset monetization opportunities, particularly for Superonline, which is seen as a strong candidate for an IPO [90][92] Q&A Session Summary Question: Prospects regarding revenue growth in the consumer segment - Management aims to improve ARPU growth to double-digit levels and expects inflation to decline towards the end of the year [61][62] Question: Breakdown of digital service revenues - The largest share of digital service revenue comes from the TV business, followed by music, Lifebox, and BiP [63] Question: 5G tender comments - No official roadmap for 5G has been announced yet, but preparations have been ongoing for several years [64] Question: Key NPS drivers - The company focuses on a segmented customer-centric strategy, investment in network quality, and a wide distribution network [71] Question: Fiber rollout plans - The company plans to continue adding 500,000 home passes annually for the next three years, driven by demand [73] Question: Opportunities to monetize BiP - The company is exploring various monetization strategies for BiP, including integration with Paycell and potential partnerships with international operators [75] Question: Postpaid ARPU growth and pricing strategy - The like-for-like postpaid ARPU growth was 8.4% in Q1, impacted by roaming revenue loss and the transition of prepaid customers to lower-priced postpaid packages [84] Question: FX impact on CapEx - The company is well-prepared for FX risks and has hedged its positions, with investments made earlier to manage FX situations [88] Question: Asset monetization developments - The company is in the exploratory phase regarding potential IPOs, particularly for Superonline, depending on market conditions [92]

TURKCELL GROUP Q1 2021 | May 3, 2021 | --- | --- | --- | |-------|-------|-------| | | | | | | | | | --- | --- | --- | --- | --- | |---------------------------------------------|--------------------------|-------------------------------------------|------------------------------|---------------------------------| | | | | | | | Q1 2021 Strong Start to REVENUE GROWTH | The Year EBITDA | NET INCOME | TOTAL SUBSCRIBER NET ADD | DIGITAL CHANNEL REVENUE SHARE* | | 17.5% 7.8Bn TL Revenue | 3.3 Bn TL Up 17.7% yoy | ...

Use these links to rapidly review the document TABLE OF CONTENTS INDEX TO CONSOLIDATED FINANCIAL STATEMENTS Table of Contents As filed with the Securities and Exchange Commission on April 26, 2021 UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 20-F o REGISTRATION STATEMENT PURSUANT TO SECTION 12(b) OR (g) OF THE SECURITIES EXCHANGE ACT OF 1934 OR ý ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2020 OR ...

Turkcell Iletisim Hizmetleri A.S. (NYSE:TKC) Q4 2020 Earnings Conference Call February 22, 2021 9:00 AM ET Company Participants Ali Serdar Yagci - Investor Relations and Corporate Finance Director Murat Erkan - Chief Executive Officer Osman Yilmaz - Chief Financial Officer Conference Call Participants Ondrej Cabejsek - UBS Nikhil Mishra - HSBC Global Research Operator Ladies and gentlemen thank you for standing by. I am Constantino, your Chorus Call operator. Welcome and thank you for joining the Turkcell's ...

TURKCELL GRUBU 4Ç & 2020 | 22 Şubat 2021 | --- | --- | --- | --- | |-------|-------|-------|-------| | | | | | | | | | | | --- | --- | --- | --- | |-------------------------------------------------------------|-----------------------------------|-------|-------| | | | | | | 2020: Güçlü Performans Çeşitlendirilmiş İş Modeli Sayesinde | | | | | | | | | | Gelir Büyümesi %15,8 | Serbest Nakit Akışı 3,4Mly TL | | | | Mobil ARPU Büyümesi (M2M hariç) %15,0 | Toplam Net Abone Kazanımı 1,1Mn | | | | Dijital Servisle ...

Turkcell Iletisim Hizmetleri A.S. (NYSE:TKC) Q3 2020 Earnings Conference Call November 6, 2020 12:00 PM ET Company Participants Korhan Bilek - Treasury and Capital Markets, Director Murat Erkan - CEO Osman Yilmaz - CFO Conference Call Participants Cabejsek Ondrej - UBS Ibragimova Dilya - Citi Demirtas Cemal - ATA Invest Operator Ladies and gentlemen thank you for standing by. I am Yortha, your Chorus Call operator. Welcome and thank you for joining the Turkcell's Conference Call to present and discuss the T ...