ACM Research Expands Memory Customer Base with Strategically Important Order from New Customer in China

ACM Research, Inc. (“ACM” or the “Company”) (NASDAQ:ACMR), a provider of single-wafer wet cleaning equipment used by manufacturers of advanced semiconductors, today announced the receipt of a purchase order for wafer-cleaning tools based on ACM’s proprietary Space Alternated Phase Shift (SAPS) technology from a leading manufacturer of DRAM memory chips in China.

The order represents a meaningful revenue opportunity from this new customer.  Upon production line qualification of the initial tool being delivered, ACM anticipates repeat orders for multiple tools from this customer.  The Company intends to ship the initial SAPS tool in the third quarter of 2018, with revenue recognition coming upon qualification and acceptance.

ACM’s President and Chief Executive Officer Dr. David Wang commented, “Securing an order from this strategically important DRAM customer in China represents a major milestone for us, enabling us to expand the number of our IC chip manufacturing customers from four to five.  We provide our customers with proven solutions that enhance production line performance and their wafer die yields.  This new order signifies a clear endorsement of our proprietary SAPS-based tools products as an efficient and effective wafer cleaning solution.”

About ACM Research, Inc.

ACM Research develops, manufactures and sells single-wafer wet cleaning equipment, which semiconductor manufacturers can use in numerous manufacturing steps to remove particles, contaminants and other random defects, and thereby improve product yield, in fabricating advanced integrated circuits.

© ACM Research, Inc. SAPS, TEBO and the ACM Research logo are trademarks of ACM Research, Inc. All rights reserved. Any other trademarks are the property of their respective owners.

For investor and media inquiries, please contact:

In the United States:              The Blueshirt GroupRalph Fong+1 (415) [e-mail]

In China:                               The Blueshirt Group Asia                    Gary Dvorchak, CFA                           [phone]                          [e-mail]