BEIJING, April 25, 2025 — Sunlands Technology Group (NYSE: STG) (“Sunlands” or the “Company”), a leading provider of adult online education and personal interest learning in China, announced today the filing of its annual report on Form 20-F with the U.S. Securities and Exchange Commission (SEC) for the fiscal year ending December 31, 2024. The filing was made on April 25, 2025, U.S. Eastern Time.

The annual report is available on the Company’s investor relations website at and the SEC’s website at . Shareholders and ADS holders can request a free hard copy of the annual report, including audited consolidated financial statements, by contacting sl-ir@sunlands.com.

About Sunlands

Sunlands Technology Group (NYSE: STG) (“Sunlands” or the “Company”), previously known as Sunlands Online Education Group, is a prominent player in China’s adult online education and personal interest learning sectors. Utilizing a one-to-many live streaming platform, Sunlands delivers a range of post-secondary courses leading to degrees or diplomas, along with preparation for professional certifications, skill-based training, and interest-based courses. Students can access the Company’s services via PC or mobile applications. The online platform fosters a personalized, interactive learning environment through a virtual community and an extensive library of educational content tailored to students’ learning preferences. Sunlands employs a unique approach to education research and development, organizing subject content into proprietary Learning Outcome Trees for knowledge management. The Company possesses a strong understanding of its prospective students’ educational needs and provides solutions to help them achieve their goals.

For more details, please visit .

For investor and media inquiries, please contact:

Sunlands Technology Group
Investor Relations
Email: sl-ir@sunlands.com

SOURCE: Sunlands Technology Group

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