Recognized 213 employees as company builds on more than 110 years of filtration innovation

Donaldson Company, Inc. (NYSE:DCI), a leading worldwide manufacturer of innovative filtration products and solutions, announced its calendar year 2025 Patent Recipients and Inventor Award winners. The annual recognition celebrates employees whose ideas, inventions, and technical leadership strengthen Donaldson's technology leadership and enduring culture of innovation.

In 2025, 213 Donaldson employees were named on patents granted during the year, contributing to an intellectual property portfolio that includes more than 2,800 active U.S. and international patents, with over 120 patents awarded in the past year alone. These innovations support Donaldson's leadership across a wide range of filtration markets and applications worldwide.

"At Donaldson, innovation begins with solving real‑world problems," said Dave Mulder, chief technology officer, Donaldson. "The employees recognized this year represent the technical depth, collaboration, creativity, and commitment to excellence behind our growing patent portfolio and our continued leadership in advancing filtration technologies."

In addition to honoring employees named on patents granted during 2025, Donaldson recognized select individuals and teams for exceptional innovation, technical leadership, and long‑term impact. These peer‑ and company‑nominated awards highlight contributions in five key areas: Emerging Innovator, Manufacturing Excellence, Technology Champion, Technology Achievement, and the Frank A. Donaldson Award.

2025 Inventor Award Recipients

Emerging Innovator Award

This award recognizes innovative technical leadership from relative newcomers to Donaldson.

2025 recipient: Matt Goode

Richard M. Negri Manufacturing Excellence Award

Named for a former vice president of operations whose contributions greatly advanced Donaldson's global manufacturing capabilities, this award honors excellence in manufacturing innovation.

2025 recipients: Jon Wood and Jeff Ptacek

Technology Champion Award

This award recognizes an individual who advances a technology or process, often against prevailing opinion that is later recognized as the right path forward.

2025 recipient: Patricia Ignacio‑de Leon

Technology Achievement Award

This award recognizes a material, product, process, or method that has made an extraordinary contribution to Donaldson's long‑term success.

2025 recipients: Quick Lock Yoke team of Ben Nichols, Dominique Renwart, Jimmy Vanderlinden, and Erwin Verbelen

Frank A. Donaldson Award

Named after Donaldson's founder, this award recognizes outstanding, long‑term engineering achievements.

2025 recipient: Brian Tucker

The patents and achievements recognized in 2025 reinforce Donaldson's intellectual property strength and support its continued innovation and competitive advantage in the global filtration market.

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 more than 150 locations on six continents partner with customers—from small business owners to research and development organizations and the world's largest 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:

Becky Cahn (952) 703-4590

Becky.Cahn@Donaldson.com

Donaldson Honors Patent Recipients and Inventor Award Winners