China Online Education Group to Report Second Quarter, 2022 Financial Results on Tuesday, August 30, 2022

Earnings Call Scheduled for 8:00 a.m.EDT on August 30,2022

SINGAPORE,Aug. 25,2022 -- China Online Education Group ("51Talk",or the "Company") (NYSE: COE),a global online education platform with core expertise in English education,today announced that it will report its unaudited financial results for the second quarter ended June 30,2022 on Tuesday,August 30,2022,before the open of U.S. markets.

The Company's management will host an earnings conference call at8:00 a.m.U.S. Eastern Time onAugust 30,2022(8:00 p.m.Singapore/Beijing/Hong Kongtime onAugust 30,2022).

Dial-in details for the earnings conference call are as follows:

United States Toll:

+1-866-264-5888

International:

+1-412-317-5226

Mainland China Toll:

400-120-1203

Hong Kong Toll:

800-905-945

Hong Kong-Local Toll:

+852-3018-4992

Participants should dial-in at least 5 minutes before the scheduled start time and ask to be connected to the call for "China Online Education Group."

Additionally,a live and archived webcast of the conference call will be available on the Company's investor relations website at http://ir.51talk.com.

A replay of the conference call will be accessible approximately one hour after the conclusion of the live call until September 6,by dialing the following telephone numbers:

United States Toll:

+1-877-344-7529

International Toll:

+1-412-317-0088

Canada Toll:

+855-669-9658

Replay Access Code:

9674628

About China Online Education Group

China Online Education Group (NYSE: COE) is a global online education platform with core expertise in English education. The Company's mission is to make quality education accessible and affordable. The Company's online and mobile education platforms enable students to take live interactive English lessons on demand. The Company connects its students with a large pool of highly qualified teachers that it assembled using a shared economy approach,and employs student and teacher feedback and data analytics to deliver a personalized learning experience to its students

For more information,please visit http://ir.51talk.com.

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