中微半导体设备（上海）股份有限公司 大股东大宗交易减持股份进展公告

Core Viewpoint - The major shareholder of Zhongwei Semiconductor Equipment (Shanghai) Co., Ltd. plans to reduce its stake through block trading while the company is also planning to issue shares to acquire assets and raise matching funds, leading to a temporary suspension of its stock trading [1][9]. Shareholder Information - As of the announcement date, Shanghai Chuangtou holds 93,483,533 shares of Zhongwei, accounting for 14.93% of the total share capital [2]. Reduction Plan Progress - On December 1, 2025, the company announced that Shanghai Chuangtou plans to reduce its holdings by up to 1% of the total share capital, which is 6,261,453 shares, within three months after the 15 trading days following the announcement [3]. - As of December 18, 2025, the reduction period has not yet started, and the plan has not been implemented due to the company's ongoing asset acquisition and fundraising plans [4]. Impact of Reduction Plan - The implementation of the reduction plan will not lead to a change in the company's controlling interest and will not affect the company's governance structure, shareholding structure, or ongoing operations [6]. Trading Suspension - The company's stock will be suspended from trading starting December 19, 2025, due to the planned issuance of shares to acquire the controlling interest in Hangzhou Zhonggui Electronics Technology Co., Ltd. [11]. - The suspension is expected to last no more than 10 trading days, and the company will disclose further information as the situation progresses [11]. Transaction Details - The transaction involves acquiring the controlling interest in Hangzhou Zhonggui, which specializes in the research, production, and sales of high-end Chemical Mechanical Polishing (CMP) equipment [12]. - The company aims to strengthen its core technology and provide more competitive integrated process solutions through this acquisition, marking a significant step towards a "group" and "platform" strategy [15][16].