HUBBELL INC

EX-99.1 · d143835dex991.htm

EX-99.1
 2
 d143835dex991.htm
 EX-99.1

 Exhibit 99.1

 Hubbell Incorporated Completes Acquisition of NSI Industries

 Shelton, CT, June 9, 2026 (GLOBE NEWSWIRE) — Hubbell Incorporated (NYSE: HUBB) (“Hubbell”) today announced that it has
completed its acquisition of NSI Industries, a leading provider of electrical fittings, connectors, components and wire management products. Hubbell financed the acquisition and related transactions with net proceeds from borrowings under a new
unsecured term loan facility in an aggregate principal amount of $900 million, the issuance of $1.9 billion aggregate principal amount of senior notes and issuances of commercial paper.

 NSI Industries is a leading manufacturer and supplier of over 15,000 branded electrical products that are sold to over 2,000 distributors in North America.
NSI Industries includes well-respected brands such as Bridgeport fittings, Polaris connectors and Tork timers. NSI Industries is headquartered in Huntersville, North Carolina.

 About Hubbell
 Hubbell Incorporated is a leading
manufacturer of utility and electrical solutions enabling customers to operate critical infrastructure safely, reliably and efficiently. With 2025 revenues of $5.8 billion, Hubbell solutions electrify economies and energize communities. The
corporate headquarters is located in Shelton, CT.
 Contact:

 Dan Innamorato

 Hubbell Incorporated
 40 Waterview
Drive

 P.O. Box 1000

 Shelton, CT 06484

 (475) 882-4000