Amkor Technology, Inc. (Nasdaq: AMKR), a leading provider of semiconductor packaging and test services, today announced financial results for the first quarter ended March 31, 2026.

First Quarter 2026 Highlights

• Record first quarter net sales $1.68 billion, up 27% year-on-year
• Gross profit $239 million, operating income $100 million
• Net income $83 million, earnings per diluted share $0.33
• EBITDA $285 million

“Amkor delivered a strong start to 2026 with record first quarter revenue driven by broad-based end market demand,” said Kevin Engel, Amkor’s president and chief executive officer. “During the quarter, we progressed key customer programs in Advanced packaging, improved utilization across our factory network, and made continued progress on our margin initiatives, demonstrating our ability to execute effectively in a dynamic industry environment.”

At March 31, 2026, total cash and short-term investments was $1.8 billion, and total debt was $1.4 billion.

The company paid a quarterly dividend of $0.08352 per share on March 31, 2026. The declaration and payment of future dividends, as well as any record and payment dates, are subject to the approval of the Board of Directors.

On April 23, 2026, the Board of Directors authorized the repurchase of up to $300 million of the company’s common stock.

Business Outlook

The following information presents Amkor’s guidance for the second quarter 2026 (unless otherwise noted):

• Net sales of $1.75 billion to $1.85 billion
• Gross margin of 14.5% to 15.5%
• Net income of $105 million to $130 million, or $0.42 to $0.52 per diluted share
• Full year 2026 capital expenditures of approximately $2.5 billion to $3.0 billion

Conference Call Information

Amkor will conduct a conference call on Monday, April 27, 2026, at 5:00 p.m. Eastern Time. This call may include material information not included in this press release. To access the live audio webcast and the accompanying slide presentation, visit the Investor Relations section of Amkor’s website, located at ir.amkor.com. The live call can also be accessed by dialing 1-877-407-4019 or 1-201-689-8337.

About Amkor Technology, Inc.

Amkor Technology, Inc. (Nasdaq: AMKR) is the world’s largest U.S. headquartered OSAT and is a global leader in outsourced semiconductor packaging and test services. With a strong track record of innovation, a broad and diverse geographic footprint and solid partnerships with lead customers, Amkor delivers high-quality solutions that enable the world’s leading semiconductor and electronics companies to bring advanced technologies to market. The company’s comprehensive portfolio includes advanced packaging, wafer-level processing, and system-in-package solutions targeting applications for smartphones, data centers, artificial intelligence, automobiles and wearables. For more information visit amkor.com.

In this press release, we refer to EBITDA, which is not defined by U.S. GAAP. We define EBITDA as net income before interest expense, income tax expense and depreciation and amortization. We believe EBITDA to be relevant and useful information to our investors because it provides additional information in assessing our financial operating results. Our management uses EBITDA in evaluating our operating performance, and our ability to service debt, fund capital expenditures and pay dividends. However, EBITDA has certain limitations in that it does not reflect the impact of certain expenses on our consolidated statements of income, including interest expense, which is a necessary element of our costs because we have borrowed money in order to finance our operations, income tax expense, which is a necessary element of our costs because taxes are imposed by law, and depreciation and amortization, which is a necessary element of our costs because we use capital assets to generate income. EBITDA should be considered in addition to, and not as a substitute for, or superior to, operating income, net income or other measures of financial performance prepared in accordance with U.S. GAAP. Furthermore, our definition of EBITDA may not be comparable to similarly titled measures reported by other companies. Below is our reconciliation of EBITDA to U.S. GAAP net income.

Forward-Looking Statement Disclaimer

This press release contains forward-looking statements within the meaning of the federal securities laws. You are cautioned not to place undue reliance on forward-looking statements, which are often characterized by terminology such as “may,” “will,” “should,” “expects,” “plans,” “anticipates,” “believes,” “estimates,” “predicts,” “potential,” “continue” or “intend,” by the negative of these terms or other comparable terminology or by discussions of strategy, plans or intentions. All forward-looking statements in this press release are made based on our current expectations, forecasts, estimates and assumptions. We assume no obligation to review or update any forward-looking statements to reflect events or circumstances occurring after the date of this press release, except as may be required by applicable law. Because such statements include risks and uncertainties, actual results may differ materially from those anticipated in such forward-looking statements as a result of various factors, including, but not limited to, the following:

• dependence on the cyclical and volatile semiconductor industry and vulnerability to industry downturns and declines in global economic and financial conditions;

• changes in costs, quality, availability and delivery times of raw materials, components and equipment;

• fluctuations in operating results and cash flows;

• competition with established competitors in the packaging and test business, the internal capabilities of integrated device manufacturers and other competitors, including foundries and contract manufacturers;

• our substantial investments in equipment and facilities to support the demand of our customers;

• warranty claims, product return and liability risks, and the risk of negative publicity if our products fail, as well as the risk of litigation incident to our business;

• difficulty achieving the relatively high-capacity utilization rates necessary to realize satisfactory gross margins given our high percentage of fixed costs;

• our absence of backlog and the short-term nature of our customers’ commitments;

• the historical downward pressure on the prices of our packaging and test services;

• fluctuations in our manufacturing yields;

• a downturn or lower sales to customers in the automotive industry;

• dependence on key customers or concentration of customers in certain end markets, such as mobile communications and automotive;

• difficulty funding our liquidity needs;

• challenges with integrating diverse operations;

• dependence on international factories and operations, and risks relating to trade restrictions and regional conflict, including restrictive trade barriers, export controls, tariffs, customs and duties;

• our ability to develop new proprietary technology, protect our proprietary technology, operate without infringing the proprietary rights of others and implement new technologies;

• our continuing development and implementation of changes to, and maintenance and security of, our information technology systems;

• restrictive covenants in the indentures and agreements governing our current and future indebtedness;

• our substantial indebtedness;

• the effect of interest rate increases on our variable rate indebtedness;

• fluctuations in interest rates and changes in credit risk;

• the ability of certain of our stockholders to effectively determine or substantially influence the outcome of matters requiring stockholder approval;

• the possibility that we may decrease or suspend our quarterly dividend;

• difficulty attracting, retaining or replacing qualified personnel;

• maintaining an effective system of internal controls;

• any changes in tax laws, taxing authorities not agreeing with our interpretation of applicable tax laws, including whether we continue to qualify for conditional reduced tax rates, or any requirements to establish or adjust valuation allowances on deferred tax assets;

• environmental, health and safety liabilities and expenditures;

• conditions and obligations in connection with the receipt of government awards and incentives; and

• natural disasters and other calamities, health conditions or pandemics, political instability, hostilities or other disruptions.

Other important risk factors that could affect the outcome of the events set forth in these statements and that could affect our operating results and financial condition are discussed in the company’s Annual Report on Form 10-K for the year ended December 31, 2025 (the “Form 10-K”) and from time to time in our other reports filed with or furnished to the Securities and Exchange Commission (“SEC”). You should carefully consider the trends, risks and uncertainties described in this press release, the Form 10-K and other reports filed with or furnished to the SEC before making any investment decision with respect to our securities. If any of these trends, risks or uncertainties continues or occurs, our business, financial condition or operating results could be materially and adversely affected, the trading prices of our securities could decline, and you could lose part or all of your investment. All forward-looking statements attributable to us or persons acting on our behalf are expressly qualified in their entirety by this cautionary statement. We assume no obligation to review or update any forward-looking statements to reflect events or circumstances occurring after the date of this press release except as may be required by applicable law.

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