Report of Foreign Issuer (6-k)

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 MAY 2019

Commission File Number: 333-04906

SK Telecom Co., Ltd.

(Translation of registrant’s name into English)

Euljiro 65, 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 ☐

Indicate by check mark if the registrant is submitting the Form 6-K in paper as permitted by Regulation S-T Rule 101(b)(1): ☐

Indicate by check mark if the registrant is submitting the Form 6-K in paper as permitted by Regulation S-T Rule 101(b)(7): ☐

Business (Preliminary) Results

※ The preliminary results shown in this table may differ from the final results

1. Details (Consolidated and prepared in accordance with International Financial Reporting Standards as adopted in Korea)


Classification (unit : in 100 millions of Won, %)		Current Period (First quarter of 2019)		Previous Period (Fourth quarter of 2018)		Changes (%)		Year to Year Comparison (First quarter of 2018)		Changes (%)
Operating Revenue	Quarterly Results		43,349		43,517		-0.39		41,815		3.67
	Year-to-date (“YTD”) Results		43,349		168,740		—		41,815		3.67
Operating Income	Quarterly Results		3,226		2,253		43.19		3,255		-0.89
	YTD Results		3,226		12,018		—		3,255		-0.89
Profit from Continuing	Quarterly Results		4,678		6,040		-22.55		9,070		-48.42
Operations Before Income Tax	YTD Results		4,678		39,760		—		9,070		-48.42
Profit for the Period	Quarterly Results		3,736		4,745		-21.26		6,934		-46.12
	YTD Results		3,736		31,320		—		6,934		-46.12
Attributable To: Controlling Interests	Quarterly Results		3,792		4,849		-21.80		6,950		-45.44
	YTD Results		3,792		31,279		—		6,950		-45.44

2. Details (Non-Consolidated and prepared in accordance with International Financial Reporting Standards as adopted in Korea)


Classification (unit : in 100 millions of Won, %)		Current Period (First quarter of 2019)		Previous Period (Fourth quarter of 2018)		Changes (%)		Year to Year Comparison (First quarter of 2018)		Changes (%)
Operating Revenue	Quarterly Results		28,122		28,497		-1.32		29,885		-5.90
Operating Revenue	YTD Results		28,122		117,056		—		29,885		-5.90
Operating Income	Quarterly Results		3,057		2,593		17.89		3,693		-17.22
Operating Income	YTD Results		3,057		13,075		—		3,693		-17.22
Profit Before Income Tax	Quarterly Results		7,616		1,979		284.84		4,775		59.50
Profit Before Income Tax	YTD Results		7,616		12,212		—		4,775		59.50
Profit for the Period	Quarterly Results		6,440		1,664		287.02		3,644		76.73
Profit for the Period	YTD Results		6,440		9,339		—		3,644		76.73


3. Source of Data	Data Provider	IR Team, SK Telecom
	Provided for	Analysts and Institutional Investors
	Date of Provision	May 7, 2019 / 15:00(Seoul time)
	Location	SK Telecom Headquarters, Conference Room
	Organizing Team	IR Team, SK Telecom (+82-2-6100-2114)

4. Other Matters Relating to an Investment Decision	• The above preliminary results have been prepared in accordance with International Financial Reporting Standards as adopted in Korea. (IFRS 15) : We adopted K-IFRS No. 1115, Revenue from Contracts with Customers , from January 1, 2018. : We adopted K-IFRS No. 1116, Leases , from January 1, 2019.

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.