Business Description

NPK International Inc. is a temporary worksite access solutions company that manufactures, sells, and rents recyclable composite matting products, along with a full suite of services, including planning, logistics, and site restoration. In 2025, 66% of our revenues were generated from the rental of our recyclable composite matting systems, along with related site construction and services to customers in various markets including power transmission, oil and natural gas exploration and production, pipeline, renewable energy, petrochemical, construction and other industries within the United States and United Kingdom. The remaining 34% of our 2025 revenues were generated from the sale of our manufactured recyclable composite mats to customers around the world, with power transmission being the primary end market. NPK International Inc., formerly known as Newpark Resources, Inc., was organized in 1932 as a Nevada corporation. In 1991, we changed our state of incorporation to Delaware. On December 9, 2024, we changed our name to NPK International Inc. Our principal executive offices are located at 9320 Lakeside Boulevard, Suite 100, The Woodlands, Texas 77381. Our telephone number is (281) 362-6800. You can find more information about us on our website located at www.npki.com. We file or furnish annual, quarterly and current reports, proxy statements and other documents with the Securities and Exchange Commission (“SEC”). Our Annual Report on Form 10-K, our Quarterly Reports on Form 10-Q, our Current Reports on Form 8-K and any amendments to those reports are available free of charge through our website. These reports are available as soon as reasonably practicable after we electronically file these materials with, or furnish them to, the SEC. Our Code of Ethics, our Corporate Governance Guidelines, our Audit Committee Charter, our Compensation Committee Charter, and our Nominating and Corporate Governance Committee Charter are also posted to the governance section of our website. We make our website content available for informational purposes only. It should not be relied upon for investment purposes, nor is any information contained on our website incorporated by reference in this Form 10-K. The SEC also maintains a website at www.sec.gov that contains reports, proxy and information statements, and other information regarding issuers that file electronically with the SEC, including us. When referring to NPK International Inc. (“NPK,” the “Company,” “we,” “our,” or “us”), the intent is to refer to NPK International Inc. and its subsidiaries as a whole. The reference to a “Note” herein refers to the accompanying Notes to Consolidated Financial Statements contained in Item 8 “Financial Statements and Supplementary Data.” 3 Strategy Our long-term strategy includes key foundational elements that are intended to enhance long-term shareholder value creation: • Accelerate Organic Growth – We seek to accelerate revenue growth through the expansion of our rental business, which includes a combination of geographic expansion to new growth territories, primarily within the U.S., while also expanding customer market share within currently-served markets. • Pursue Inorganic Growth – We seek to accelerate our growth and enhance shareholder value through strategically-aligned inorganic actions, leveraging our scale to increase our value and relevance to customers. • Drive Operational Efficiency – We are focused on efficiency improvements and operating cost optimization across every aspect of our business. • Enhance Return on Invested Capital – We are committed to maintaining a strong balance sheet, prioritizing organic investment to expand our rental business while evaluating accretive inorganic growth opportunities to accelerate growth and returning excess cash generation via programmatic share repurchases. See Item 7. “Management’s Discussion and Analysis of Financial Condition and Results of Operations - 2025 Strategic Actions” for a discussion of our execution against this strategy during 2025. Industry Fundamentals and Customers The demand for temporary worksite access from customers in the industries we serve is driven, in part, by infrastructure construction and maintenance activity levels within the United States and United Kingdom.…