Announcement on Completion of Industrial and Commercial Registration Change of Subsidiary

Guangdong Yinxin Technology Co., Ltd. (hereinafter referred to as "the Company" or "Yinxin Technology") held the 24th meeting of the 6th Board of Directors on May 15, 2026, where it approved the proposal for capital increase and related transactions for its subsidiary. The wholly-owned subsidiary Yinxin Engineering Plastics (Dongguan) Co., Ltd. (hereinafter referred to as "Yinxin Engineering Plastics") will increase its investment in its holding subsidiary Zhaoqing Yinxin Juchuang Materials Co., Ltd. (hereinafter referred to as "Yinxin Juchuang") by 12.6 million yuan. Related parties Mr. Lin Dencan will invest 5.4 million yuan, and Mr. Fu Yi will invest 3 million yuan. After the capital increase, the registered capital of Yinxin Juchuang will change from 15 million yuan to 23.076923 million yuan. For more details, please refer to the announcement disclosed by the Company on May 18, 2026, regarding the capital increase and related transactions for its subsidiary. Recently, the Company received a notification from Yinx