Exhibit 99.1 News Release Graham Corporation t 20 Florence Avenue t Batavia, NY 14020 IMMEDIATE RELEASE GRAHAM CORPORATION REPORTS EXPANDED MARGINS ON SALES GROWTH OF 18% TO A RECORD $185.5 MILLION FOR FISCAL 2024 BATAVIA, NY, June 7, 2024 – 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, space, energy, and process industries, today reported financial results for it ...