Stock code: 300487 Stock abbreviation: Sunresin Technology Bond Code: 123027 Bond Abbreviation: Sunresin Convertible Bond The following information represents a summary from the company's 2020 annual report and 2021 Q1 quarterly report. The official public information disclosed in Chinese is in accordance with the rules and regulations of the Shenzhen Stock Exchange of China. If there is any discrepancy in translation, the original Chinese version prevails.

Here are the highlights of the company's performance in 2021 and prospects for the future: 1)Operating revenue reaches 1,195 million RMB, a new record high, and a 29.5% YoY increase 2)Gross profit remains at a high level, 44.6% 3)Despite the pandemic, international sales reaches historical high, 275.28 million RMB in 2021. (162.65 million RMB in 2020)

Approved by the China Securities Regulatory Commission, the Shenzhen Stock Exchange issued a notice, on October 21, to broaden the scope of stocks eligible for margin financing and securities lending. Sunresin (stock code 300487), added to the pool, will be eligible for margin financing and securities lending starting Monday, October 24, 2022.

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An announcement was issured on November 28 by Shenzhen Stock Exchange and Shenzhen Securities Information Co., Ltd. with a list of adjusted sample stocks in which shown Sunresin was selected the sample stock to Compositional Index of Shenzhen Stock Market and Shenzhen GEM Index. The updates will be taken into effect from Dec. 12, 2022.

Stock No.: 300487 Abbreviation: Sunresin Bulletin No.: 2023-007

Sunresin New Materials Co. Ltd.’s issuance of convertible corporate bonds to unspecified objects has been approved by the China Securities Regulatory Commission in March 2023.