China Online Education Group announced that Mr. Min Xu, Chief Financial Officer, has resigned for personal reasons and his last day with the Company will be September 30th, 2022. Ms. Chun Tang, Vice President of Finance of the Company, will assume the role of Chief Financial Officer starting on October 1st, 2022. Ms. Tang has served in roles of Finance Director, Senior Finance Director, and Vice President of Finance since she joined the Company in 2014 and played an instrumental role in the Company's successful IPO completed in June 2016.

Previously, Ms. Tang served as Senior Financial Analyst in Google's Beijing office from 2007 to 2014. Earlier in her career, Ms. Tang served as Senior Financial Analyst with Novo Nordisk, a CSE-listed world leading pharmaceutical manufacturer, Finance Manager with Beijing City International School, and Senior Auditor with PricewaterhouseCoopers Zhong Tian LLP. Ms. Tang received a Master of Arts degree in western accounting from The Central University of Finance and Economics and a Bachelor of Arts degree in accounting from Northeastern University in Shenyang China.