Graham Corporation (NYSE: GHM) (“GHM” or the “Company”), a global leader in the design and manufacture of mission critical fluid, power, heat transfer and vacuum 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 the Gabelli 31^st Annual Aerospace & Defense Symposium in New York City on Thursday, September 4, 2025 at 1:15 pm ET, 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 and vacuum technologies for the Defense, Energy & Process, and Space industries. Graham Corporation and its family of global brands are built upon world-renowned engineering expertise in vacuum and heat transfer, cryogenic pumps, and turbomachinery 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.

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