Tarena International, Inc. announced that Mr. Yongji Sun, director and chief executive officer of the Company, has resigned from the chief executive officer position for personal reasons, effective on April 8, 2021. Mr. Sun will remain as a director of the Company. Ms. Ying Sun, vice president of the Company, will succeed Mr. Sun as the new chief executive officer on April 8, 2021. Ms. Ying Sun has served as the vice president of the Company since December 2009. Ms. Sun joined the Company in June 2005 as the general manager of Tarena'sBeijing learning centers. Between 2007 and 2009, she was the general manager of the Company's northern region. From 1999 to 2005, Ms. Sun worked in Gloria Hotels and Resorts, serving in various sales and human resources-related roles. Ms. Sun received a bachelor's degree in tourism economics management from Dongbei University of Finance and Economics in China.