FOR IMMEDIATE RELEASE EXHIBIT 99.1 IES Holdings Reports Fiscal 2024 Third Quarter Results; Board Authorizes New 200MillionShareRepurchaseProgramHOUSTON—August2,2024—IESHoldings,Inc.(or"IES"orthe"Company")(NASDAQ:IESC)todayannouncedfinancialresultsforthequarterendedJune30,2024.ThirdQuarter2024HighlightsandRecentDevelopments•Revenueof768 million for the third quarter of fiscal 2024, an increase of 31% compared with $584 million for the same quarter of fiscal 2023 • ...