成都欧林生物科技股份有限公司股票交易异常波动公告

Core Viewpoint - Chengdu Olin Biological Technology Co., Ltd. experienced a significant stock price fluctuation, with a cumulative closing price increase exceeding 30% over three consecutive trading days from August 18 to August 20, 2025, indicating abnormal trading activity [2][3]. Group 1: Stock Trading Abnormalities - The company's stock price closed at 33.11 yuan per share as of August 20, 2025, with a recent cumulative increase that surpasses most peers in the industry and the Shanghai Composite Index [2][9]. - The rolling price-to-earnings (P/E) ratio for the company is reported at 338.72, significantly deviating from the industry average P/E ratio of 32.11 for the pharmaceutical manufacturing sector [2][9]. Group 2: Company Operations and Confirmations - The company conducted a self-examination and confirmed that its daily operations remain normal, with no significant changes or major events affecting its business [4][5]. - There are no undisclosed significant matters or ongoing major asset restructuring, share issuance, or other substantial corporate actions as of the announcement date [5][8]. Group 3: Market and Media Influence - The company has not identified any media reports or market rumors that could have significantly impacted its stock price, nor any leaks of undisclosed major information by company personnel [6][7].