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

OF THE SECURITIES EXCHANGE ACT OF 1934

FOR THE MONTH OF OCTOBER 2025

Commission File Number: 333-04906

 

 

SK Telecom Co., Ltd.

(Translation of registrant’s name into English)

 

 

65, Euljiro, Jung-gu

Seoul 04539, Korea

(Address of principal executive office)

 

 

Indicate by check mark whether the registrant files or will file annual reports under cover of Form 20-F or Form 40-F.

Form 20-F ☒    Form 40-F ☐

 

Preliminary Results of Operations

• The preliminary results shown below may differ from the final results. 

1. Basis: Consolidated 

 

Classification (unit : in 100 millions of Won, %)				Current Period (Third quarter(1) of 2025)				Previous Period (Second quarter(2) of 2025)				Changes (%)				Year to Year Comparison (Third quarter(1) of 2024)				Changes (%)
Operating Revenue		Quarterly Results			39,781				43,388				(8.31)				45,321				(12.23)
		Year-to-date (“YTD”)(3) Results			127,705				—				—				134,291				(4.90)
Operating Income		Quarterly Results			484				3,383				(85.68)				5,333				(90.92)
		YTD(3) Results			9,541				—				—				15,693				(39.20)
Profit (Loss) from Continuing Operations Before Income Tax		Quarterly Results			(1,639)				2,404				N.A*				3,647				N.A*
		YTD(3) Results			5,844				—				—				12,836				(54.47)
Profit (Loss) for the Period		Quarterly Results			(1,667)				832				N.A*				2,802				N.A*
		YTD(3) Results			2,781				—				—				9,923				(71.97)
Attributable To: Controlling Interests		Quarterly Results			(1,582)				896				N.A*				2,689				N.A*
		YTD(3) Results			2,959				—				—				9,593				(69.16)

(1) Refers to the three-month period from July 1 to September 30 of a given year.

(2) Refers to the three-month period from April 1 to June 30 of a given year.

(3) Refers to the nine-month period from January 1 to September 30 of a given year.

* Means “not applicable.”

2. Basis: Separate 

 

Classification (unit : in 100 millions of Won, %)				Current Period (Third quarter(1) of 2025)				Previous Period (Second quarter(2) of 2025)				Changes (%)				Year to Year Comparison (Third quarter(1) of 2024)				Changes (%)
Operating Revenue		Quarterly Results			26,647				31,351				(15.00)				32,032				(16.81)
		YTD(3) Results			89,673				—				—				95,834				(6.43)
Operating Income (Loss)		Quarterly Results			(522)				2,509				N.A*				4,570				N.A*
		YTD(3) Results			6,811				—				—				13,438				(49.32)
Profit (Loss) Before Income Tax		Quarterly Results			(2,305)				1,950				N.A*				2,918				N.A*
		YTD(3) Results			5,655				—				—				12,443				(54.55)
Profit (Loss) for the Period		Quarterly Results			(2,066)				369				N.A*				2,224				N.A*
		YTD(3) Results			3,048				—				—				9,948				(69.36)

(1) Refers to the three-month period from July 1 to September 30 of a given year.

(2) Refers to the three-month period from April 1 to June 30 of a given year.

(3) Refers to the nine-month period from January 1 to September 30 of a given year.

* Means “not applicable.”

3. Source of Data		Data Provider		IR, SK Telecom
		Provided for		Analysts and Investors
		Date of Provision		October 30, 2025 / 10:00 a.m. (Seoul time)
		Location		2025 3Q Earnings Results Conference Call
		Organizing Team		IR, SK Telecom (+82-2-6100-2114)
4. Other Important Matters Relating to an Investment Decision		-  The preliminary results set forth in this report have been prepared on a consolidated basis and separate basis in accordance with International Financial Reporting Standards as adopted in Korea and may be subject to change based on the results of the audit by the Company’s external auditor.   - For further relevant materials, please refer to the Company’s IR website at:   https://www.sktelecom.com/en/investor/lib/announce.do

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.

 

Date: October 30, 2025