*ST Wingtech (600745.SH): The company's issuer credit rating has been downgraded to "BBB-" with a negative outlook.

Zhitong Finance APP News, *ST Wingtech (600745.SH) announced that the rating agency China Chengxin recently conducted an unscheduled follow-up rating in accordance with the relevant management rules for follow-up ratings, and on September 15, 2026 issued the "China Chengxin International Announcement on Downgrading the Entity and Related Debt Credit Ratings of Wingtech Technology Co., Ltd." (Credit Rating Committee Announcement [2026] No. 270). The rating results are as follows: the company's entity credit rating was adjusted to "BBB-", with a negative rating outlook; at the same time, the credit rating of "Wingtech Convertible Bonds" was adjusted to "BBB-".