ACM Research, Inc.

, of Part I of this report contains statistical data and estimates, including forecasts, that are based on information provided by Gartner, Inc. ("Gartner") in "Forecast: Semiconductor Capital Spending, Wafer Fab Equipment and Capacity, Worldwide, 4Q25 Update, Bob Johnson et al., December 23, 2025." GARTNER is a trademark of Gartner, Inc. and its affiliates. The Gartner Content described herein ("Gartner Content"), represents research opinions or viewpoints published, as part of a syndicated subscription service, by Gartner, and are not representations of fact. Gartner Content speaks as of its original publication date (not as of the date of this report) and the opinions expressed in the Gartner Content are subject to change without notice. While we are not aware of any misstatements in the Gartner Content, estimates, and in particular forecasts, involve numerous assumptions and are subject to risks and uncertainties, as well as change based on various factors, that could cause results to differ materially from those expressed in the data presented below. Any forward-looking statement made by us in this report speaks only as of the date on which it is made. Except as required by law, we assume no obligation to update these statements publicly or to update the reasons actual results could differ materially from those anticipated in these statements, even if new information becomes available in the future.