Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 20-F (Mark One) ☐ REGISTRATION STATEMENT PURSUANT TO SECTION 12(b) OR 12(g) OF THE SECURITIES EXCHANGE ACT OF 1934 OR ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2022 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 OR ☐ SHELL COMPANY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIE ...

Shareholding Structure - As of February 28, 2023, DCM funds owned 10,607,110 Class A ordinary shares and 57,681,212 Class B ordinary shares, representing 20.1% of the total outstanding shares and 46.2% of the aggregate voting power[5] - Dasheng International Holdings Limited held 26,194,680 Class A ordinary shares and 45,925,744 Class B ordinary shares, accounting for 21.2% of the total outstanding shares and 38.2% of the aggregate voting power[6] - Sequoia Capital China owned 40,033,395 Class A ordinary shares, representing 11.8% of the total outstanding shares and 3.1% of the aggregate voting power[6] - Golien Ltd held 18,967,560 Class A ordinary shares, which is 5.6% of the total outstanding shares and 1.5% of the aggregate voting power[6] - The aggregate voting power of the major shareholders was 89.0% as of February 28, 2023[7] Regulatory and Compliance - The Company was identified as a Commission-Identified Issuer by the SEC under the Holding Foreign Companies Accountable Act on June 1, 2022[3] - The audit report for the Company's financial statements was issued by PricewaterhouseCoopers Zhong Tian LLP, a firm based in mainland China[3] - The Company is not aware of any governmental entity in mainland China that can direct its management and policies[7] - The Company filed its annual report on Form 20-F for the year ended December 31, 2021 on May 2, 2022[3] Company Information - The Company’s principal executive office is located at 24 Raffles Place 17-04 Clifford Centre, Singapore 048621[1]

51Talk Online Education Group (NYSE:COE) Q4 2022 Earnings Conference Call March 29, 2023 8:00 AM ET Company Participants David Chung – Investor Relations Jack Huang – Chief Executive Officer Cindy Tang – Chief Financial Officer Conference Call Participants Operator Hello, ladies and gentlemen. Thank you for standing by for 51Talk Online Educational Group's Fourth Quarter 2022 Earnings Conference Call. At this time, all participants are in a listen-only mode. Today's conference call is being recorded. I woul ...

Exhibit 99.1 51Talk Online Education Group Announces the Results for the Third Quarter, the Fourth Quarter and Full Year 2022 SINGAPORE, March 29, 2023 -- 51Talk Online Education Group ("51Talk" or the "Company") (NYSE: COE), a global online education platform with core expertise in English education, announced its unaudited results for the third quarter ended September 30, 2022, and the fourth quarter and full year ended December 31, 2022. Full Year 2022 Financial Highlights The Company completed the dives ...

China Online Education Group. (NYSE:COE) Q2 2022 Earnings Conference Call August 30, 2022 8:00 AM ET Company Participants Jack Jiajia Huang - CEO Min Xu - CFO Conference Call Participants Operator Hello, ladies and gentlemen, thank you for standing by for China Online Education Group's Second Quarter 2022 Earnings Conference Call. [Operator Instructions] Today's conference call is being recorded. I will now turn the call over to your host, Miss. Ni Yan [ph] Investor Relations for the company. Please go ahea ...

China Online Education Group (NYSE:COE) Q1 2022 Earnings Conference Call June 24, 2022 8:00 AM ET Company Participants Jack Huang - CEO Min Xu - CFO Conference Call Participants Operator Hello, ladies and gentlemen, thank you for standing by for China Online Education Group's First Quarter 2022 Earnings Conference Call. [Operator Instructions] Today's conference call is being recorded. I will now turn the call over to your host, Ms. [Neon], Investor Relations for the company. Please go ahead, Ni. Unidentifi ...

China Online Education Group (NYSE:COE) Q2 2021 Earnings Conference Call September 28, 2021 8:00 AM ET Company Participants Jack Huang - CEO Min Xu - CFO Conference Call Participants Vincent Yu - Needham & Company Disclaimer*: This transcript is designed to be used alongside the freely available audio recording on this page. Timestamps within the transcript are designed to help you navigate the audio should the corresponding text be unclear. The machine-assisted output provided is partly edited and is desig ...