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Technology Differentiation Product Platformization Customer Globalization Supplemental Investor Presentation Earnings Release - Second Quarter 2026 August 7 , 2026 ACM PLANETARY FAMILY ACM RESEARCH
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Forward-Looking Statements. Certain statements contained in this presentation are not historical facts and may be forward-looking statements within the meaning of the Private Securities Litigation Reform Act of 1995. Words such as “plans,” “expects,” “believes,” “anticipates,” “designed,” and similar words are intended to identify forward-looking statements. Forward-looking statements are based on ACM management’s current expectations and beliefs and involve a number of risks and uncertainties that are difficult to predict and that could cause actual results to differ materially from those stated or implied by the forward-looking statements. A description of certain of these risks, uncertainties and other matters can be found in filings ACM makes with the U.S. Securities and Exchange Commission (the “SEC”), all of which are available at www.sec.gov. Because forward- looking statements involve risks and uncertainties, actual results and events may differ materially from results and events currently expected by ACM. Readers are cautioned not to place undue reliance on these forward-looking statements, which speak only as of the date hereof. ACM undertakes no obligation to publicly update these forward-looking statements to reflect events or circumstances that occur after the date hereof or to reflect any change in its expectations with regard to these forward-looking statements or the occurrence of unanticipated events. Market Data. Information presented below concerning ACM’s total addressable market presents a forecast based on information provided by Frost & Sullivan in its report “Global and China Semiconductor Equipment Market Research (June 2026)”. You are cautioned not to rely on or give undue weight to thisinformation. The Frost & Sullivan report represents research opinions or viewpoints that are prepared by Frost & Sullivan and are not representations of fact. The Frost & Sullivan report speaks as of the date of the report (and not as of the date of this presentation), and the opinions expressed in the Frost & Sullivan report are subject to change without notice. While ACM is not aware of any misstatements regarding the information provided in the Frost & Sullivan report, it has not independently verified the accuracy or completeness of that information, which involves numerous assumptions and is subject to risks and uncertainties, as well as change based on various factors, that could cause results to differ materially from the forecast presented. The industry in which ACM operates is subject to a high degree of uncertainty and risk due to variety of factors, including those described in ACM Research, Inc.’s public filings with the SEC, as described above. Note Regarding Presentation of Non-GAAP Financial Measures. Information presented below under “Q2 2026 Summary” and “Q2 2026 Financial Results” include certain “non- GAAP financial measures” as defined in Regulation G under the Securities Exchange Act of 1934, including non-GAAP gross margin, non-GAAP operating income, non-GAAP basic and diluted EPS, and non-GAAP gross profit. These supplemental measures exclude the effect of stock-based compensation and unrealized gain or loss on short term investments, which ACM does not believe are indicative of its core operating results. A reconciliation of each non-GAAP financial measure to the most directly comparable GAAP financial measure is included under “Q2 2026 GAAP to Non-GAAP Reconciliation” below as well as in ACM’s second quarter 2026earnings release dated August7, 2026, which (a) has been furnished to the SEC and can be viewed at https://www.sec.gov/Archives/edgar/data/1680062/000162828026054581/acmr-20260807.htm and (b) has been posted at, and can be downloaded from, the “Investors” content area at ACM’s website,https://ir.acmr.com/news-releases/news-release-details/acm-research-reports-second-quarter-2026-results. Company References. As used in this presentation, “ACM Shanghai” refers to ACM Research (Shanghai), Inc. and “ACM” refers to ACM Research, Inc. and its subsidiaries, including ACM Shanghai. 2
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Q2 2026 Summary Q2 2026 Financial Results • $292.9 million revenue (up 36.0% y/y); total shipments of $281.5 million (up 36.4% y/y) • 46.0% GAAP gross margin (versus 48.5% in Q2 2025) • 46.0% non-GAAP gross margin (versus 48.7% in Q2 2025) • $49.7 million GAAP operating income (up 56.9% y/y; 17.0% of revenue) • $56.3 million non-GAAP operating income (up 35.8% y/y; 19.2% of revenue) • $1.23 diluted GAAP earnings per share (versus $0.44 in Q2 2025) • $0.61 diluted non -GAAP earnings per share (versus $0.55 in Q2 2025) Key Operational Updates • Announced shipment of the 2,000th electroplating chamber • Expansion of the Ultra C Tahoe wet processing platform • Received one production order (510 × 515 mm) and one evaluation order (310 × 310 mm) for Ultra ECP ap -p • Presented proprietary high -temperature SPM cleaning technology at SPCC 2026 • Oregon operation planned for opening in Q4 2026 3
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Q2 and YTD Revenue Detail 7% 20% 73% 1H’25 11% 41% 49% 1H’26 Advanced Packaging & Other ECP, Furnace & Other Cleaning $387.7M $524.2M35.2% Revenue by Product: 1H’25 vs 1H’26 4 6% 22% 72% Q2’25 11% 44% 45% Q2’26 Advanced Packaging & Other ECP, Furnace & Other Cleaning $215.4M $292.9M36.0% 1. Cle aning: Single wafer cleaning, Tahoe and se mi -critical cleaning e quipment 2. ECP, Furnace & Other : ECP (front -end and packaging), furnace and other te chnologies 3. Advanced Packaging & Other : Advanced Packaging (excluding ECP), services & spare s Revenue by Product: Q2’25 vs Q2’26
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Expanding Serviceable Available Market (“SAM”) 1 Advanced Packaging | $1.5B Furnace | $1.7B Cleaning | $7.4B Plating | $1.8B 2009: SAPs, Tahoe, TEBO, SPM, Semi -critical 2014: Advanced Packaging, 2024: FO PLP Clean and Bevel Etch 2020: Furnace, LPCVD, Vacuum Anneal, High - Temperature Oxidation, Thermal ALD 2024: PEALD 2017: ECP ap, 2019: ECP MAP, 2020: ECP TSV, 2024: ECP ap-p Estimated 2025 SAM of $22 billion addressed by ACM Research’s current product portfolio 2022: Furnace ALD 2022: CO 2 & Advanced IPA Dry 2021: High-temp SPM PECVD | $6.2B Track | $3.5B Introduced late 2022 Introduced late 2022 1Source: Fros t & Sullivan - “G lobal and China Se miconductor Equipment Market Re search (June 2026)” and Company Estimates. 5
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Long-Term Target for $4B+ in Revenue 1Source: Frost & Sullivan - “Global and China Semiconductor Equipment Market Rese arch (June 2026 )” and Company Es timates: 2025 Frost & Sullivan WFE market of $142 .1B ACM Rese arch SAM determined by manageme nt’s estimate d product coverage 2China SAM assumes China WFE is $5 0B 3Share refers to ACM Res earch market share target 1. Cle aning: Single wafer cleaning, Tahoe and se mi -critical cleaning e quipment 2. ECP & Furnace & Other : ECP (front -end and packaging), furnace and other te chnologies 3. Advanced Packaging & Other : Advanced Packaging (excluding ECP), services & spare s * ACM Res earch in tern al target, fo r in tern al plan ning p urpo ses on ly, n ot a projectio n or estimate of actua l or fu tu re revenue $37M $75M $108M 2023 2024 2025 Long- Term Target 20222021 $157M $260M $389M $558M $782M $901M > $4B* 2020201920182017 +49.3% Advanced Packaging & Other ECP, Furnace & Other Cleaning Long-Term Target Composition ACM Research Mainland China ACM Research SAM1 China SAM2 Share3 Revenue Cleaning $7.4B $2.6B 60% $1.54B ECP $1.8B $0.6B 60% $368M Furnace $1.7B $0.6B 15% $88M PECVD $6.2B $2.2B 15% $314M Track $3.5B $1.2B 10% $115M Adv Pkg (ex ECP, plus Service & Spares) $1.5B $0.5B n/a $100M $22.0B $7.7B - $2.5B RoW ACM Research SAM1 Non-China SAM1 Share3 Revenue Cleaning $7.4B $4.8B 15% $693M ECP $1.8B $1.1B 15% $165M Furnace $1.7B $1.1B 10% $106M PECVD $6.2B $4.0B 8% $299M Track $3.5B $2.2B 8% $168M Adv Pkg (Ex ECP, plus Service & Spares) $1.5B $1.0B n/a $50M $22.0B $14.2B - $1.5B ACM Research China + RoW Revenue >$4.0B 6
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Customer Concentration (≥10%) and Revenue Mix by Customer Type Note: Customers contributing ≥10% are ranked annually by revenue contribution. The composition of such customers may vary across periods. 10% Customer Mix – Annual Ranking 16.9% 14.7% 18.0% 13.5% 13.6% 15.0% 11.6% 12.0% 13.0% 10.2% 11.9%2024 2023 4th3rd 2025 Largest 52.2% 52.2% 46.0% 2nd Revenue Mix by Customer Type Customer Type 2025 2024 2023 Memory Foundry/Logic/Other Packaging & Wafer Processing 27.3% 7 58.9% 71.1% 63.2% 21.8% 24.1% 13.9% 7.1% 12.7%
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ACM Shanghai Facilities • ACM Shanghai Headquarters and China R&D Center • Located in the Zhangjiang Hi -Tech park in Shanghai • Relocated from original ACM Shanghai Headquarters Q2 2024 • Located in Chuansha area of Pudong district, approximately 11 miles from ACM Shanghai’s Zhangjiang area HQ • Three leased facilities with approx. 236,000 sq. feet ACM Shanghai HQ and R&D Center Chuansha Production Facilities Lingang R&D and Production Center • Lingang R&D and Production Center • Approximately 30 miles from ACM Shanghai’s HQ in Zhangjiang • 1 million sq. feet • Lingang production and R&D center is completed 8
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ACM Oregon R&D and Clean Room Facility 6357 NE Evergreen Parkway, Hillsboro, Oregon • Purchased October 1, 2024 • 39,500 sq. feet facility including 5,200 sq. feet clean room • To further expand ACM’s R&D and demonstration capability in the U.S. market 9
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2026 Outlook • Raised 2026 Revenue Guidance Range: $1.125–$1.175bn (vs. prior $1.08–$1.175bn) • Outlook reflects, among other things: • Current assessment of the continuing impact from international trade policy • Various expected spending scenarios of key customers, supply chain constraints, and the timing of acceptances for first tools under evaluation in the field 10
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Q2 2026 Financial Results Revenue Non-GAAP Gross Profit EPS $215.4M $292.9M Q2‘25 Q2’26 +36.0% $0.55 $0.61 Q2’25 Q2’26 $104.8M $134.8M Q2’25 Q2’26 28.6% 48.7% 46.0% $0.44 $1.23 Q2’25 Q2’26 GAAP Non-GAAP See slide 13 for reconciliation between GAAP and Non -GAAP Gross Profit and EPS Balance Sheet 1 Including interest bearing time deposits. 1 11 $302M $291M $292M $278M $288M $484M $1,098M $1,133M $1,252M $1,356M Q2’25 Q3’25 Q4’25 Q1’26 Q2’26 Finished goods inventory Ending cash & cash equivalents1
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Q2 2026 GAAP to Non-GAAP Reconciliation 13
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THANK YOU！ ACM Research Technology Differentiation Product Platformization Customer Globalization