Exhibit 99.1
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ACM Research Reports Second Quarter 2026 Results
FREMONT, Calif., August 07, 2026 (Globe Newswire) – ACM Research, Inc. (“ACM”) (NASDAQ: ACMR), a leading supplier of wafer processing solutions for semiconductor and advanced wafer-level packaging applications, today reported financial results for its second quarter ended June 30, 2026.

“We delivered a strong second quarter, with revenue and shipments both increasing 36% year over year,” said Dr. David Wang, President and Chief Executive Officer of ACM. “Revenue growth was led by the ECP and advanced packaging categories, which grew 168% and 153%, respectively, reflecting the growing contribution of our broader product portfolio. During the quarter, we shipped our 2,000th ECP chamber, an important milestone that demonstrates the increasing adoption of our ECP technology in high-volume manufacturing of logic, memory and 3D packaging. We also delivered good profitability, and ended the quarter with $1.0 billion in net cash, providing significant financial strength to support our long-term growth strategy.”

Dr. Wang continued, “Customer demand as demonstrated by increased order activity provides us with good visibility for the remainder of 2026. We see 2026 as a ‘Big Year’ for new products as we proceed with customer evaluations and product ramps across multiple platforms, including SPM Cleaning, Track, PECVD and horizontal panel-level plating for advanced packaging. At the same time, we are expanding engagement with global customers and making solid progress at our Oregon facility. We are raising our full-year 2026 revenue outlook for 25% to 30% growth. We remain confident in our ability to outgrow the market through new product cycles, market share gains and increasing contributions from global markets as we execute toward our long-term revenue target of $4 billion.”


Three Months Ended June 30
GAAPNon-GAAP(1)
2026202520262025
(dollars in thousands, except EPS)
Revenue$292,919 $215,372 $292,919 $215,372 
Gross margin46.0 %48.5 %46.0 %48.7 %
Income from operations$49,743 $31,694 $56,326 $41,464 
Net income attributable to ACM Research, Inc.$88,984 $29,760 $44,516 $37,316 
Basic EPS$1.31 $0.47 $0.66 $0.58 
Diluted EPS
$1.23 $0.44 $0.61 $0.55 
Six Months Ended June 30
GAAPNon-GAAP(1)
2026202520262025
(dollars in thousands, except EPS)
Revenue$524,182 $387,719 $524,182 $387,719 
Gross margin46.1 %48.2 %46.2 %48.5 %
Income from operations$85,920 $57,471 $98,124 $77,058 
Net income attributable to ACM Research, Inc.$106,291 $50,140 $68,484 $68,395 
Basic EPS$1.59 $0.79 $1.02 $1.08 
Diluted EPS
$1.49 $0.74 $0.96 $1.01 
(1)Reconciliations to U.S. generally accepted accounting principles (“GAAP”) financial measures from non-GAAP financial measures are presented below under “Reconciliation of GAAP to Non-GAAP Financial Measures.” Non-GAAP financial measures exclude stock-based compensation and, with respect to net income attributable to ACM Research, Inc. and basic and diluted earnings per share, also exclude unrealized gain on short-term investments and its impact to net income attributable to non-controlling interests.


Exhibit 99.1
Outlook

ACM has raised its revenue guidance range to $1.125 billion to $1.175 billion for fiscal year 2026, from the prior range of $1.08 billion to $1.175 billion. This expectation is based on ACM management’s current assessment of the continuing impact from international trade policy, together with various expected spending scenarios of key customers, supply chain constraints, and the timing of acceptances for first tools under evaluation in the field, among other factors.
Operating Highlights and Recent Announcements
Shipments. Total shipments in the second quarter of 2026 were $281.5 million, up 36.4% when compared to the second quarter of 2025. Total shipments include deliveries for revenue in the quarter and deliveries of first tool systems awaiting customer acceptance for potential revenue in future quarters.
Shipment of the 2,000th Electroplating Chamber. ACM shipped its 2,000th electroplating chamber, following shipment milestones of 500 chambers in 2022 and 1,500 chambers in 2025. The achievement underscores the continued commercial expansion and growing market recognition of ACM's electroplating solutions.
Presented Proprietary High-Temperature SPM Cleaning Technology at SPCC 2026. ACM presented its proprietary high-temperature SPM cleaning technology at the Surface Preparation and Cleaning Conference (SPCC) 2026, showcasing particle performance of fewer than 15 particles at 15nm without requiring periodic DI water chamber cleaning. The technology is designed to improve yield and lower maintenance requirements for advanced GAA logic, DRAM and HBM applications.
Expansion of the Ultra C Tahoe Wet Processing Platform. ACM has expanded its Ultra C Tahoe system into a multi-process wet processing platform, by adding advanced wet etch and monitor wafer reclaim applications for logic and memory manufacturing. The expanded platform has been adopted by leading semiconductor manufacturers, and the Tahoe Recycle application is running in volume production at customer facilities. This expanded Tahoe platform demonstrates the versatility of our hybrid architecture and its scalability for advanced semiconductor manufacturing. ACM will continue to drive world-class process performance and integrating environmental benefits into product development to help make advanced semiconductor manufacturing more efficient and sustainable.
Received Orders for the Ultra ECP ap-p Tool. ACM received the first production order for one 510 × 515 mm Ultra ECP ap-p tool from an existing advanced packaging customer in mainland China, with delivery scheduled for the first half of 2027. ACM also received an evaluation order for one 310 × 310 mm tool from a new leading panel-manufacturer customer based in Asia, with delivery scheduled for the fourth quarter of 2026.
Second Quarter 2026 Financial Summary
Unless otherwise noted, the following figures refer to the second quarter of 2026 and comparisons are with the second quarter of 2025.
Revenue was $292.9 million, up 36.0%, primarily driven by higher sales of ECP (front-end and packaging), furnace and other technologies, and advanced packaging (excluding ECP), services & spares, partially offset by lower sales of single-wafer cleaning, Tahoe and semi-critical cleaning tools.
Gross margin was 46.0% versus 48.5%. Non-GAAP gross margin, which excludes stock-based compensation, was 46.0% versus 48.7%. Gross margin was above the mid-point of ACM’s long-term business model target range of 42% to 48%. ACM expects gross margin to vary from period to period due to a variety of factors, such as product mix, currency impacts and sales volume.
Operating expenses were $84.9 million, an increase of 16.6%. Operating expenses as a percentage of revenue decreased to 29.0% from 33.8%. Non-GAAP operating expenses, which exclude the effect of stock-based compensation, were $78.5 million, up 23.9%. Non-GAAP operating expenses as a percentage of revenue decreased to 26.8% from 29.4%.
Operating income was $49.7 million, compared to $31.7 million. Operating margin was 17.0% compared to 14.7%. Non-GAAP operating income, which excludes the effect of stock-based compensation, was $56.3 million, compared to
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Exhibit 99.1
$41.5 million. Non-GAAP operating margin, which excludes stock-based compensation, was 19.2% compared to 19.3%.
Unrealized gain on short-term investments was $69.6 million, compared to an unrealized gain of $2.7 million. Unrealized gain reflects the change in market value of the investments by ACM’s principal operating subsidiary, ACM Research (Shanghai), Inc. The value is marked-to-market quarterly and is excluded in the non-GAAP financial metrics.
Income tax expense was $13.5 million, compared to $1.9 million. The change in tax expense primarily resulted from the tax effect of an increase in operating profit for the period.
Net income attributable to ACM Research, Inc. was $89.0 million, compared to $29.8 million. Non-GAAP net income attributable to ACM Research, Inc., which excludes the effect of stock-based compensation and unrealized gain on short-term investments, was $44.5 million, compared to $37.3 million.
Net income per diluted share attributable to ACM Research, Inc. was $1.23, compared to $0.44. Non-GAAP net income per diluted share, which excludes the effect of stock-based compensation and unrealized gain on short-term investments, was $0.61, compared to $0.55.
Cash and cash equivalents, plus restricted cash and short-term time deposits were $1.36 billion at June 30, 2026, compared to $1.25 billion at March 31, 2026. Net cash, which excludes short-term and long-term borrowings, was $1.0 billion at June 30, 2026, compared to $924.2 million at March 31, 2026.
Conference Call Details

A conference call to discuss results will be held on Friday, August 7, 2026, at 8:00 a.m. Eastern Time (8:00 p.m. China Time). To join the conference call via telephone, participants must use the following link to complete an online registration process. Upon registering, each participant will receive email instructions to access the conference call, including dial-in information and a PIN number allowing access to the conference call. This pre-registration process is designed by the operator to reduce delays due to operator congestion when accessing the live call.

Online Registration: https://register-conf.media-server.com/register/BIc282607074af4b0895b2ed37fb7d0eb9
Participants who have not pre-registered may join the webcast by accessing the link at ir.acmr.com/news-events/events.
A live and archived webcast will be available on the Investors section of the ACM website at www.acmr.com.
Use of Non-GAAP Financial Measures
ACM presents non-GAAP gross margin, operating expenses, operating income, net income attributable to ACM Research, Inc. and basic and diluted earnings per share as supplemental measures to GAAP financial measures regarding ACM’s operational performance. These supplemental measures exclude the impact of stock-based compensation, which ACM does not believe is indicative of its core operating results. In addition, non-GAAP net income attributable to ACM Research, Inc. and basic and diluted earnings per share exclude the effect of stock-based compensation and unrealized gain (loss) on short-term investments, which ACM also believes are not indicative of its core operating results. A reconciliation of each non-GAAP financial measure to the most directly comparable GAAP financial measure is provided below under “Reconciliation of GAAP to non-GAAP Financial Measures.”
ACM believes these non-GAAP financial measures are useful to investors in assessing its operating performance. ACM uses these financial measures internally to evaluate its operating performance and for planning and forecasting of future periods. Financial analysts may focus on and publish both historical results and future projections based on the non-GAAP financial measures. ACM also believes it is in the best interests of investors for ACM to provide this non-GAAP information.
While ACM believes these non-GAAP financial measures provide useful supplemental information to investors, there are limitations associated with the use of these non-GAAP financial measures. These non-GAAP financial measures may not be reported by competitors, and they may not be directly comparable to similarly titled measures of other companies due to differences in calculation methodologies. The non-GAAP financial measures are not an alternative to GAAP information
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Exhibit 99.1
and are not meant to be considered in isolation or as a substitute for comparable GAAP financial measures. They should be used only as a supplement to GAAP information and should be considered only in conjunction with ACM’s consolidated financial statements prepared in accordance with GAAP.
Forward-Looking Statements
Certain statements contained in this press release 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, 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.
About ACM Research, Inc.

ACM develops, manufactures and sells semiconductor process equipment spanning cleaning, electroplating, stress-free polishing, vertical furnace processes, track, PECVD, and wafer- and panel-level packaging tools, enabling advanced and semi-critical semiconductor device manufacturing. ACM is committed to delivering customized, high-performance, cost-effective process solutions that semiconductor manufacturers can use in numerous manufacturing steps to improve productivity and product yield. For more information, visit www.acmr.com.
© ACM Research, Inc. Ultra C and the ACM Research logo are trademarks of ACM Research, Inc. For convenience, these trademarks appear in this press release without ™ symbols, but that practice does not mean that ACM will not assert, to the fullest extent under applicable law, its rights to the trademarks.
For investor and media inquiries, please contact:
In the United States:
The Blueshirt Group
Steven C. Pelayo, CFA
(360) 808-5154
steven@blueshirtgroup.co
In China:
The Blueshirt Group Asia
Gary Dvorchak, CFA
+86 (138) 1079-1480
gary@blueshirtgroup.co
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Exhibit 99.1
ACM RESEARCH, INC.
Condensed Consolidated Balance Sheets
June 30, 2026December 31, 2025
(Unaudited)
(In thousands)
Assets
Current assets:
Cash and cash equivalents$969,229 $757,373 
Restricted cash21,358 8,589 
Short-term time deposits365,055 366,591 
Short-term investments105,091 35,524 
Accounts receivables, net538,389 504,250 
Other receivables66,820 48,655 
Inventories, net783,119 702,631 
Advances to related parties163 2,500 
Prepaid expenses and other current assets25,554 10,567 
            Total current assets2,874,778 2,436,680 
Property, plant and equipment, net384,593 314,830 
Operating lease right-of-use assets, net16,634 17,925 
Intangible assets, net2,516 2,847 
Deferred tax assets25,904 29,389 
Long-term investments89,249 66,035 
Other long-term assets5,564 4,479 
                        Total assets$3,399,238 $2,872,185 
Liabilities and Equity
Current liabilities:
Short-term borrowings$107,218 $74,041 
Current portion of long-term borrowings 40,787 35,082 
Related parties accounts payable29,799 32,060 
Accounts payable220,601 215,440 
Advances from customers165,566 187,809 
Deferred revenue15,908 17,388 
Income taxes payable3,626 991 
FIN-48 payable28,908 27,719 
Other payables and accrued expenses168,944 150,396 
Current portion of operating lease liability4,907 4,786 
            Total current liabilities786,264 745,712 
Long-term borrowings192,904 178,930 
Long-term operating lease liability3,503 5,069 
Other long-term liabilities11,444 11,965 
                       Total liabilities994,115 941,676 
Commitments and contingencies
Equity:
Stockholders’ equity:
Class A Common stock
Class B Common stock
Additional paid-in capital1,361,841 1,115,504 
Retained earnings456,719 350,428 
Statutory surplus reserve34,164 34,164 
Accumulated other comprehensive loss7,423 (35,740)
Total ACM Research, Inc. stockholders’ equity1,860,154 1,464,363 
Non-controlling interests544,969 466,146 
Total equity2,405,123 1,930,509 
               Total liabilities and equity$3,399,238 $2,872,185 
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Exhibit 99.1
ACM RESEARCH, INC.
Condensed Consolidated Statements of Operations and Comprehensive Income
Three Months Ended June 30,Six Months Ended June 30,
2026202520262025
(Unaudited)
( In thousands, except share and per share data)
Revenue$292,919 $215,372 $524,182 $387,719 
Cost of revenue158,301 110,911 282,326 200,708 
        Gross profit134,618 104,461 241,856 187,011 
Operating expenses:
    Sales and marketing23,778 22,102 44,466 38,445 
    Research and development42,254 33,817 78,803 61,320 
    General and administrative18,843 16,848 32,667 29,775 
         Total operating expenses84,875 72,767 155,936 129,540 
         Income from operations49,743 31,694 85,920 57,471 
Interest income7,142 4,013 11,861 7,352 
Interest expense(2,059)(1,757)(3,992)(3,315)
Realized gain on short-term investments54 54 
Unrealized gain on short-term investments69,592 2,730 68,186 1,648 
Other expense, net(9,793)(346)(19,093)(608)
Income from equity method investments21,097 1,773 22,846 2,725 
        Income before income taxes135,722 38,161 165,728 65,327 
Income tax expense(13,472)(1,891)(17,243)(4,044)
        Net income122,250 36,270 148,485 61,283 
Less: Net income attributable to non-controlling interests33,266 6,510 42,194 11,143 
        Net income attributable to ACM Research, Inc.$88,984 $29,760 $106,291 $50,140 
Comprehensive income:
     Net income 122,250 36,270 148,485 61,283 
    Foreign currency translation adjustment, net of tax of nil30,141 3,905 57,938 5,655 
         Comprehensive Income153,066 40,175 207,098 66,938 
Less: Comprehensive income attributable to non-controlling interests41,477 7,250 57,644 12,207 
        Comprehensive income attributable to ACM Research, Inc.$111,589 $32,925 $149,454 $54,731 
Net income attributable to ACM Research, Inc. per common share:
     Basic$1.31 $0.47 $1.59 $0.79 
     Diluted$1.23 $0.44 $1.49 $0.74 
Weighted average common shares outstanding used in computing per share amounts:
     Basic67,890,91763,968,76366,853,35063,620,235
     Diluted71,838,90867,464,85670,678,87267,138,338
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Exhibit 99.1
ACM RESEARCH, INC.
Total Revenue by Product Category
Three Months Ended June 30,Six Months Ended June 30,

2026202520262025
(Unaudited)
($ in thousand)
Single wafer cleaning, Tahoe and semi-critical cleaning equipment$132,978 $154,961 $255,460 $284,530 
ECP (front-end and packaging), furnace and other technologies128,546 48,016 212,785 75,646 
Advanced packaging (excluding ECP), services & spares31,395 12,395 55,937 27,543 
Total Revenue By Product Category$292,919 $215,372 $524,182 $387,719 

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Exhibit 99.1
ACM RESEARCH, INC.
Reconciliation of GAAP to Non-GAAP Financial Measures
As described under “Use of Non-GAAP Financial Measures” above, ACM presents non-GAAP gross margin, operating expenses, operating income, net income attributable to ACM Research, Inc., and basic and diluted earnings per share as supplemental measures to GAAP financial measures, each of which excludes stock-based compensation (“SBC”) from the equivalent GAAP financial line items. In addition, non-GAAP net income attributable to ACM Research, Inc., and basic and diluted earnings per share exclude unrealized gain (loss) on short-term investments. The following tables reconcile gross margin, operating expenses, operating income, net income attributable to ACM Research, Inc., and basic and diluted earnings per share to the related non-GAAP financial measures:

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Exhibit 99.1
Three Months Ended June 30,
20262025
Actual
(GAAP)
SBCOther non-
operating adjustments
Adjusted
(Non-GAAP)
Actual
(GAAP)
SBCOther non-
operating adjustments
Adjusted
(Non-GAAP)
(In thousands)
Revenue$292,919 $$$292,919 $215,372 $$$215,372 
Cost of revenue(158,301)(177)(158,124)(110,911)(356)(110,555)
Gross profit134,618 (177)134,795 104,461 (356)104,817 
Gross margin
46.0 %0.1 %46.0 %48.5 %0.2 %48.7 %
Operating expenses:
Sales and marketing(23,778)(1,330)(22,448)(22,102)(2,096)(20,006)
Research and development(42,254)(1,532)(40,722)(33,817)(2,580)(31,237)
General and administrative(18,843)(3,544)(15,299)(16,848)(4,738)(12,110)
Total operating expenses
(84,875)(6,406)(78,469)(72,767)(9,414)(63,353)
Income (loss) from operations49,743 (6,583)56,326 31,694 (9,770)41,464 
Unrealized gain on short-term investments69,592 69,592 2,730 2,730 
Less: Net income attributable to non-controlling interests33,266 (18,541)14,725 6,510 (516)5,994 
Net income (loss) attributable to ACM Research, Inc.$88,984 $(6,583)$51,051 $44,516 $29,760 $(9,770)$2,214 $37,316 
Basic EPS$1.31 $0.66 $0.47 $0.58 
Diluted EPS$1.23 $0.61 $0.44 $0.55 



Six Months Ended June 30,
20262025
Actual
(GAAP)
SBCOther non-
operating adjustments
Adjusted
(Non-GAAP)
Actual
(GAAP)
SBCOther non-
operating adjustments
Adjusted
(Non-GAAP)
(In thousands)
Revenue$524,182 $$$524,182 $387,719 $$$387,719 
Cost of revenue(282,326)(525)(281,801)(200,708)(885)(199,823)
Gross profit241,856 (525)242,381 187,011 (885)187,896 
Gross margin
46.1 %0.1 %46.2 %48.2 %0.2 %48.5 %
Operating expenses:
Sales and marketing(44,466)(2,822)(41,644)(38,445)(4,253)(34,192)
Research and development(78,803)(3,374)(75,429)(61,320)(5,355)(55,965)
General and administrative(32,667)(5,483)(27,184)(29,775)(9,094)(20,681)
Total operating expenses
(155,936)(11,679)(144,257)(129,540)(18,702)(110,838)
Income (loss) from operations85,920 (12,204)98,124 57,471 (19,587)77,058 
Unrealized gain on short-term investments68,186 68,186 1,648 1,648 
Less: Net income attributable to non-controlling interests42,194 (18,175)24,019 11,143 (316)10,827 
Net income (loss) attributable to ACM Research, Inc.$106,291 $(12,204)$50,011 $68,484 $50,140 $(19,587)$1,332 $68,395 
Basic EPS$1.59 $1.02 $0.79 $1.08 
Diluted EPS$1.49 $0.96 $0.74 $1.01 
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