News Release

•Net sales of $548 million

•Net income per diluted share of $0.40

•Net cash balance of $2.0 billion

•YTD net bookings of 12.1 GWDC; 4.8 GWDC since fourth quarter earnings call at an average selling price of $0.318 per watt

•Expected volume sold backlog of 71.6 GWDC

TEMPE, Ariz., April 27, 2023 – First Solar, Inc. (Nasdaq: FSLR) (the “Company”) today announced financial results for the first quarter ended March 31, 2023.

Net sales for the first quarter were $548 million, a decrease of $454 million from the prior quarter. The decrease was primarily driven by a decrease in the volume of modules sold to third parties.

The Company reported first quarter net income per diluted share of $0.40, compared to a net loss per diluted share of $0.07 in the fourth quarter of 2022.

Cash, cash equivalents, restricted cash, restricted cash equivalents, and marketable securities, less debt at the end of the first quarter decreased to $2.0 billion from $2.4 billion at the end of the prior quarter. The decrease was primarily a result of capital expenditures related to expansions in Alabama, India, and Ohio, partially offset by a drawdown on our India credit facility and advance payments received for future module sales.

“We entered 2023 in a significantly stronger commercial, operational, and financial position than the previous year, setting the stage for growth and improved profitability in 2023 and beyond,” said Mark Widmar, CEO of First Solar. “The first quarter of the year reflects this direction as we commissioned our latest factory in the United States and started production of our next generation Series 7 modules, progressed our technology roadmap with a new cell efficiency record, and continued our strong bookings and ASP momentum.”

2023 guidance remains unchanged. The complete 2023 guidance is as follows:

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(1)Includes $110 million to $130 million of ramp and underutilization costs and $660 million to $710 million of Section 45X tax benefits

(2)Includes $85 million to $90 million of production start-up expense

(3)Includes $195 million to $220 million of production start-up expense and ramp and underutilization costs, and $660 million to $710 million of Section 45X tax benefits

(4)Defined as cash, cash equivalents, restricted cash, restricted cash equivalents, and marketable securities, less expected debt at the end of 2023

The guidance figures presented above are forward-looking statements that are subject to a variety of assumptions and estimates, including with respect to certain factors related to the Inflation Reduction Act of 2022 (the “IRA”). Among other things, such factors include (i) the total advanced manufacturing production credit available to us under Section 45X of the Internal Revenue Code and (ii) the timing and ability to monetize such credit. Investors are encouraged to listen to the conference call and to review the accompanying materials, which contain more information about First Solar’s first quarter 2023 financial results, 2023 guidance, and financial outlook.

First Solar has scheduled a conference call for today, April 27, 2023 at 4:30 p.m. ET, to discuss this announcement. A live webcast of this conference call and accompanying materials are available at investor.firstsolar.com. An audio replay of the conference call will be available through Saturday, May 27, 2023 and can be accessed by dialing +1 (800) 770-2030 if you are calling from within the United States or +1 (647) 362-9199 if you are calling from outside the United States and entering the replay passcode 99681. A replay of the webcast will also be available on the Investors section of the Company’s website approximately two hours after the conclusion of the call and remain available for 30 days.

First Solar is a leading American solar technology company and global provider of responsibly-produced eco-efficient solar modules advancing the fight against climate change. Developed at R&D labs in California and Ohio, the Company’s advanced thin film photovoltaic (“PV”) modules represent the next generation of solar technologies, providing a competitive, high-performance, lower-carbon alternative to conventional crystalline silicon PV panels. From raw material sourcing and manufacturing through end-of-life module recycling, First Solar’s approach to technology embodies sustainability and a responsibility towards people and the planet. For more information, please visit www.firstsolar.com.

This release contains forward-looking statements which are made pursuant to safe harbor provisions of the Private Securities Litigation Reform Act of 1995. All statements in this release, other than statements of historical fact, are forward-looking statements.

These forward-looking statements include, but are not limited to, statements concerning: demand for our technology; increased research and development investment; new domestic and international capacity coming online; a new Series 7 product; our financial guidance for 2023, including future financial results, net sales, gross margin, operating expenses, operating income, earnings per share, net cash balance, capital expenditures, volume sold, shipments, bookings, products and our business and financial objectives for 2023; the availability of benefits under certain production linked incentive programs, and the impact of the IRA including the total advanced manufacturing production credit available to us under Section 45X of the Internal Revenue Code. These forward-looking statements are often characterized by the use of words such as “estimate,” “expect,” “anticipate,” “project,” “plan,” “intend,” “seek,” “believe,” “forecast,” “foresee,” “likely,” “may,” “should,” “goal,” “target,” “might,” “will,” “could,” “predict,” “continue,” “contingent” and the negative or plural of these words and other comparable terminology. Forward-looking statements are only predictions based on our current expectations and our projections about future events and therefore speak only as of the date of this release. You should not place undue reliance on these forward-looking statements. We undertake no obligation to update any of these forward-looking statements for any reason, whether as a result of new information, future developments or otherwise. These forward-looking statements involve known and unknown risks, uncertainties and other factors that may cause our actual results, levels of activity, performance or achievements to differ materially from those expressed or implied by our forward-looking statements. These factors include, but are not limited to: structural imbalances in global supply and demand for PV solar modules; our competitive position and other key competitive factors; the market for renewable energy, including solar energy; the reduction, elimination, expiration or introduction of government subsidies, policies, and support programs for solar energy projects; the impact of public policies, such as tariffs or other trade remedies imposed on solar cells and modules; the passage of legislation intended to encourage renewable energy investments through tax credits, such as the IRA; the impact of the IRA on our expected results of operations in future periods, which may be affected by technical guidance, regulations, subsequent amendments or interpretations of the law; interest rate fluctuations and both our and our customers’ ability to secure financing; changes in the exchange rates between the functional currencies of our subsidiaries and other currencies in which assets and liabilities are denominated; our ability to execute on our long-term strategic plans; the loss of any of our large customers, or the ability of our customers and counterparties to perform under their contracts with us; our ability to execute on our solar module technology and cost reduction roadmaps; our ability to improve the wattage of our solar modules; our ability to incorporate technology improvements into our manufacturing process, including the production of bifacial solar modules and next generation Series 7 modules; the satisfaction of conditions precedent in our sales agreements; our ability to attract new customers and to develop and maintain existing customer and supplier relationships; general economic and business conditions, including those influenced by U.S., international, and geopolitical events; environmental responsibility, including with respect to cadmium telluride (“CdTe”) and other semiconductor materials; claims under our limited warranty obligations; changes in, or the failure to comply with, government regulations and environmental, health, and safety requirements; effects arising from and results of pending litigation; future collection and recycling costs for solar modules covered by our module collection and recycling program; supply chain disruptions, including demurrage and detention charges; our ability to protect our intellectual property; our ability to prevent and/or minimize the impact of cyber-attacks or other breaches of our information systems; our continued investment in research and development; the supply and price of components and raw materials, including CdTe; our ability to construct production facilities to support product lines, including Series 6 and Series 7 module manufacturing; our ability to attract and retain key executive officers and associates; the severity and duration of public health threats (including pandemics such as COVID-19 and similarly infectious diseases), including the potential impact on our business, financial condition, and results of operations; and the matters discussed under the captions “Risk Factors” and “Management’s Discussion and Analysis of Financial Condition and Results of Operations” of our most recent Annual Report on Form 10-K and our subsequently filed Quarterly Reports on Form 10-Q, as supplemented by our other filings with the Securities and Exchange Commission.

investor@firstsolar.com                            media@firstsolar.com