Company delivers measurable climate progress, safer workplaces, and innovation that helps customers accelerate their sustainability goals

Donaldson Company, Inc. (NYSE:DCI), a leading worldwide manufacturer of innovative filtration products and solutions, today published its fiscal 2025 Sustainability Report, detailing how the company is advancing its Filtration for a Thriving Future strategy while delivering meaningful environmental, social, and business results.

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Renewable energy use up 80% since FY21, driven in part by four new solar arrays in Mexico.

"At Donaldson, sustainability and innovation go hand in hand," said Rich Lewis, President and CEO. "Our FY25 progress reflects how our global teams are embedding sustainability into the way we design products, operate our facilities, and partner with customers—creating solutions that support a cleaner world and stronger business performance."

The report highlights significant progress toward Donaldson's 2030 Sustainability Ambitions, including a more than 20% reduction in Scope 1 and 2 greenhouse gas (GHG) emissions compared to its FY21 baseline, expanded use of renewable energy, improved workplace safety outcomes, and continued investment in communities where the company operates. Highlights include:

Climate and energy progress:

Reduced Scope 1 and 2 GHG emissions by more than 23,000 metric tons of CO₂e emissions since FY21
Increased renewable energy use by more than 80% since FY21, with renewables now accounting for 9% of total energy consumption
Completed 154 energy efficiency projects, reducing energy use by approximately 6,200 MWh annually

Safe, engaged workplaces:

Achieved the lowest companywide injury and lost-workday incident rates in five years
20 sites operated injury-free for the entire year

Innovation that enables sustainability:

Advanced filtration solutions that reduce hydraulic oil use, support circularity in semiconductor manufacturing, and enable next-generation electric and clean-energy technologies

Community impact:

Provided $1.79 million in global community support through corporate giving and Donaldson Foundation grants

Donaldson's sustainability strategy aligns with the company's purpose—Advancing Filtration for a Cleaner World—and supports six United Nations Sustainable Development Goals where the company can have the greatest impact.

The full Fiscal Year 2025 Sustainability Report is available at www.donaldson.com, along with additional information on Donaldson's sustainability strategy and progress.

Statements in this release regarding future events and expectations, such as forecasts, plans, trends and projections relating to the Company's business and financial performance, are forward-looking statements within the meaning of the Private Securities Litigation Reform Act of 1995 and are identified by words or phrases such as "will likely result," "are expected to," "will continue," "will allow," "estimate," "project," "believe," "expect," "anticipate," "forecast," "plan" and similar expressions. These forward-looking statements speak only as of the date such statements are made and are subject to risks and uncertainties that could affect the Company's performance and could cause the Company's actual results for future periods to differ materially from any opinions or statements expressed. These factors include, but are not limited to, challenges in global operations; impacts of global economic, industrial and political conditions on product demand; impacts from unexpected events, including natural disasters; effects of unavailable raw materials or material cost inflation; inability to attract and retain qualified personnel; inability to meet customer demand; inability to maintain competitive advantages; threats from disruptive technologies; effects of highly competitive markets with pricing pressure; exposure to customer concentration in certain cyclical industries; inability to manage productivity improvements; inability to achieve commitments to ESG; results of execution of any acquisition, divestiture and other strategic transactions; vulnerabilities associated with information technology systems and security; inability to protect and enforce intellectual property rights; costs associated with governmental laws and regulations; impacts of foreign currency fluctuations; and effects of changes in capital and credit markets. These and other factors are described in Part I, Item 1A, "Risk Factors" of the Company's Annual Report on Form 10-K for the fiscal year ended July 31, 2025. The Company undertakes no obligation to publicly update or revise any forward-looking statements, whether as a result of new information, future events or otherwise, unless required by law. The results presented herein are preliminary, unaudited and subject to revision until the Company files its results with the United States Securities and Exchange Commission on Form 10-Q.

About Donaldson Company, Inc.

Founded in 1915, Donaldson (NYSE:DCI) is a global leader in technology-led filtration products and solutions, serving a broad range of industries and advanced markets. Diverse, skilled employees at over 150 locations on six continents partner with customers—from small business owners to R&D organizations and the world's biggest OEM brands. Donaldson solves complex filtration challenges through three primary segments: Mobile Solutions, Industrial Solutions and Life Sciences. Additional information is available at www.Donaldson.com.

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For more information, contact:

Sarika Dhadwal (952) 887-3753

Sarika.Dhadwal@Donaldson.com

Donaldson Company Releases FY25 Sustainability Report, Advancing Filtration for a Thriving Future