Tongwei retains AAA rating for bonds and issuer

Tongwei Co., Ltd. [SSE:600438] announced that it has retained its AAA credit rating for both the company itself and its "Tong 22 Convertible Bonds" (bond code: 110085). This rating was affirmed by United Credit Rating Co., Ltd. on June 6, 2025, following an evaluation of the company's operations and industry standing. The rating outlook remains stable. The initial rating was assigned on February 2, 2022. The detailed rating report is available on the Shanghai Stock Exchange website. The company's board of directors has affirmed the accuracy and completeness of this announcement.