Graham Corporation (NYSE:GHM) ("GHM" or the "Company"), a global leader in the design and manufacture of mission critical fluid, power, heat transfer, vacuum, and advanced mixing technologies for the Defense, Energy & Process, and Space industries, today announced that Matthew J. Malone, President and Chief Executive Officer, and Christopher J. Thome, Vice President - Finance and CFO, will present at Oppenheimer's 21^st Annual Industrial Growth Virtual Conference on Wednesday, May 6, 2026 at 11:15 am EDT, as well as host investor meetings.

A live webcast of the presentation can be accessed by registering for the event HERE or by going to the Events & Presentation section of the Company's investor relations website at https://ir.grahamcorp.com/news-events/events-presentations.

Interested investors should contact their sales representative to register and schedule one-on-one or group meetings.

About Graham Corporation

Graham is a global leader in the design and manufacture of mission critical fluid, power, heat transfer, vacuum, and advanced mixing technologies for the Defense, Energy & Process, and Space industries. Graham Corporation and its family of global brands are built upon world-renowned engineering expertise, proprietary technologies, as well as its responsive and flexible service and the unsurpassed quality customers have come to expect from the Company's products and systems. Graham Corporation routinely posts news and other important information on its website, grahamcorp.com, where additional information on Graham Corporation and its businesses can be found.

Source: Graham Corporation

View source version on businesswire.com: https://www.businesswire.com/news/home/20260422883166/en/

For more information, contact:

Christopher J. Thome

Vice President - Finance and CFO

Phone: (585) 343-2216

Tom Cook

Investor Relations

(203) 682-8250

Tom.Cook@icrinc.com

Graham Corporation to Present at the Oppenheimer 21st Annual Industrial Growth Conference