Sunlands Technology Group announced Ms. Selena Lu Lv has tendered her resignation from the position as the Company's director and chief strategy officer for personal reasons, effective on May 16, 2023. Ms. Selena Lu Lv has been an instrumental member of the Company's leadership team and has made significant contributions during her tenure. The Company appreciates the dedication and hard work that Selena has put in during her time at Sunlands.

The Company is committed to ensuring a smooth transition of leadership and has already initiated a search for a suitable replacement. During this time, the company has in place a solid finance team that will report to Mr. Tongbo Liu, the chief executive officer of the Company, in the interim.