Earnings Call Scheduled for 8:00 a.m. ET on September 3, 2025

SINGAPORE, Aug. 29, 2025 -- 51Talk Online Education Group ("51Talk", or the "Company") (NYSE American: 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, 2025 on Wednesday, September 3, 2025, before the open of U.S. markets.

The Company's management will host an earnings conference call at 8:00 a.m. U.S. Eastern Time on September 3, 2025 (8:00 p.m. Singapore/Beijing/Hong Kong time on September 3, 2025).

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

Participants should dial-in at least 5 minutes before the scheduled start time and ask to be connected to the call for "51Talk 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 10, 2025, by dialing the following telephone numbers:

About 51Talk Online Education Group

51Talk Online Education Group (NYSE American: 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 highly qualified teachers 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.