AMTECH SYSTEMS INC

Cautionary Note Regarding Forward-Looking Statements

This Quarterly Report on Form 10-Q ("Quarterly Report"), our Annual Report on Form 10-K for the fiscal year ended September 30, 2025 (the “2025 Form 10-K”), our other reports that we file with the Securities and Exchange Commission (“SEC”), our press releases, public conference calls and webcasts, and public statements of our officers and corporate spokespersons contain “forward-looking” statements within the meaning of Section 27A of the Securities Act of 1933, as amended (the “Securities Act”), Section 21E of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), and the Private Securities Litigation Reform Act of 1995 (the “PSLRA”). We intend such forward-looking statements to be covered by safe harbor provisions for forward-looking statements contained in the PSLRA. All statements, other than statements of historical fact, included or incorporated by reference in this Quarterly Report are forward-looking statements, including, but not limited to, statements regarding our plans, strategies and prospects, both business and financial, including statements about our future financial or operating results, revenue and operating performance, market outlook, customer demand and product development, growth initiatives, cost reduction strategies and capital allocation. Forward-looking statements give our current expectations or forecasts of future events. You can identify forward-looking statements by the fact that they do not related strictly to historical or current facts. These statements may use words such as “may,” “plan,” “anticipate,” “seek,” “will,” “expect,” “intend,” “estimate,” “believe,” “continue,” “predict,” “potential,” “project,” “should,” “would,” “could,” “likely,” “future,” “target,” “forecast,” “goal,” “observe,” “strategy,” “opportunities,” “committed,” “on track” or the negative thereof or variations thereon or similar terminology. However, the absence of these words or similar expressions does not mean that a statement is not forward-looking. These forward-looking statements are based on information available as of the date of this Quarterly Report and reflect management’s current expectations, estimates, forecasts and assumptions, and involve known and unknown risks, uncertainties and other factors that may cause our actual results, performance or achievements to be materially different from any future results, performance or achievements expressed or implied by the forward-looking statements. Factors that could cause or contribute to such differences include, but are not limited to, the following:

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future economic conditions, including changes in the markets in which we operate;

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changes in tariffs or trade policies, export controls and sanctions, particularly between the United States and countries where we have significant operations or customers, including China, and any retaliatory measures, which may limit our ability to source materials, sell our products in certain markets, or transact with certain counterparties;

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changes in demand for our services and products, including shifts in end-market demand for semiconductor devices, power semiconductors, silicon carbide (SiC) substrates, and components used in artificial intelligence (AI) applications;

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our revenue and operating performance, including our ability to achieve projected revenue growth rates and maintain or improve gross and operating margins;

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difficulties in successfully executing our growth initiatives, including the deployment of net proceeds from our June 2026 underwritten public offering of common stock;

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difficulties in executing on our strategic initiatives with respect to our Semiconductor Fabrication Solutions and Thermal Processing Solutions business segments, including risks related to acquisitions, integrations and divestitures;

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the effects of competition in the markets in which we operate, including the adverse impact of competitive product announcements or new entrants into our markets and transfers of resources by competitors into our markets;

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the highly cyclical nature of the semiconductor industry and the potential for prolonged downturns in end-market demand, including the mature node semiconductor market;

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pricing and gross profit pressures, including the ability to offset increases in raw material, energy and labor costs;

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risks associated with new and emerging technologies, including AI-driven semiconductor processes, new substrate materials such as silicon carbide and gallium nitride, and competing technology platforms, and the impact of rapid technological changes on demand for our products and services;

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our ability to attract, retain and develop key personnel and skilled employees, including executive management and personnel with specialized semiconductor expertise;

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risks associated with our international operations, including exposure to foreign currency exchange rate fluctuations, difficulties in managing operations across multiple jurisdictions, and the impact of local economic, political and regulatory conditions in countries where we operate, including China, the United Kingdom, Singapore and Malaysia;

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the availability and quality of raw materials, components, supplies and capital equipment necessary for our manufacturing operations, and our dependence on sole-source or limited-source suppliers;

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risks related to our intellectual property, including our ability to protect proprietary technology and the potential for infringement claims by or against us;

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legislative, regulatory, and competitive developments in markets in which we operate, including changes in environmental, health and safety, and tax laws and regulations;

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possible future claims, litigation or enforcement actions and the results of any such claim, litigation proceeding, or enforcement action;

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the impact of any future pandemic, epidemic, natural disaster or other catastrophic event on our business operations, financial results and financial position;

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risks of future cybersecurity incidents, data breaches or disruptions to our information technology systems, including risks arising from the use of AI and evolving threat actor techniques;

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adverse developments affecting financial institutions, including bank failures, and risks related to our cash held in excess of insured limits;

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risks associated with the armed conflict involving Iran and related geopolitical instability, including potential disruptions to global energy markets, supply chains, shipping routes and customer demand, as well as broader macroeconomic uncertainty, inflationary pressures and foreign currency exchange rate volatility;

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risks associated with goodwill and long-lived asset impairments, including the sensitivity of impairment analyses to changes in estimates, assumptions and market conditions;

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our ability to successfully identify, complete and integrate acquisitions or strategic transactions, and to realize anticipated synergies and benefits therefrom; and

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other circumstances and risks identified in this Quarterly Report or referenced from time to time in our filings with the SEC, including the risks described in “Item 1A. Risk Factors” of our 2025 Form 10-K and in our subsequently filed Quarterly Reports on Form 10-Q.

Forward-looking statements are neither historical facts nor assurances of future performance. Instead, they are based on our current beliefs, expectations and assumptions regarding the future of our business, future plans and strategies, projections, anticipated events and trends, the economy and other future conditions. Because forward-looking statements relate to the future, they are subject to inherent risks and uncertainties. In light of these risks and uncertainties, there can be no assurance that the forward-looking information contained in this Quarterly Report will in fact transpire or prove to be accurate. Readers are cautioned not to place undue reliance on these forward-looking statements, which speak only as of the date of this Quarterly Report. The risk factors described herein and in our 2025 Form 10-K and our subsequently filed Quarterly Reports on Form 10-Q are not all of the risks we may face. Additional risks and uncertainties not presently known to us, or that we currently deem to be immaterial, may also materially adversely affect our business, financial condition or operating results.

The Company undertakes no obligation to update or publicly revise any forward-looking statement whether as a result of new information, future developments or otherwise, except as may be required by law. All subsequent written or oral forward-looking statements attributable to the Company or persons acting on its behalf are expressly qualified in their entirety by this cautionary statement. You are advised, however, to consult any further disclosures we make on related subjects in our subsequently filed Quarterly Reports on Form 10-Q, Current Reports on Form 8-K, and Annual

Reports on Form 10-K and our other filings with the SEC. We note these factors for investors as permitted by the PSLRA, and we claim the protection afforded by the safe harbor for forward-looking statements provided by the PSLRA.

Unless the context indicates otherwise, the terms “Amtech,” the “Company,” “we,” “us” and “our” refer to Amtech Systems, Inc., an Arizona corporation, together with its subsidiaries.