Angu Micro: The number of shares issued this time is determined to be 24,882,900 shares.

Ongwei Micro announcement, online and offline issuance will be implemented through the Shanghai Stock Exchange trading system and Shanghai Stock Exchange internet trading platform on December 5, 2025. The issuer and the lead underwriter negotiated and determined that the total number of shares to be issued this time is 24.8829 million shares, all of which are newly issued shares for public offering.