MSCI to Change NPK International's GICS Code to Industrials/Capital Goods

NPK International Inc. (NYSE:NPKI) ("NPK" or the "Company") today announced that MSCI Inc. has confirmed that NPK's Global Industry Classification Standard (GICS^®) code will be changing to 20107010 (Industrials/Capital Goods/Trading Companies & Distributors). The new GICS more accurately reflects the Company's position as a leading provider of matting products and services to the global worksite access market. The change will be effective as of the market close on May 30, 2025.

"Our new industry classification is important recognition of our successful transformation into a leading, pure-play specialty rental and services business in the global worksite access and critical infrastructure markets," stated Matthew Lanigan, President and CEO of NPK International. "We remain committed to our strategic priorities, which emphasizes the long-term growth of our specialty rental business, and continue to be encouraged by the momentum in our core utilities transmission and critical infrastructure end markets."

ABOUT NPK INTERNATIONAL

NPK International Inc. is a worksite access solutions company that manufactures, sells, and rents industry-leading sustainable composite matting products, along with a full suite of services, including planning, logistics, and site restoration. As a geographically diversified company, the Company delivers superior quality and reliability across critical infrastructure markets, including electrical transmission & distribution, oil and gas exploration, pipeline, renewable energy, petrochemical, construction, and other industries. For more information, visit our website at www.npki.com.

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