X0306 4 2019-04-01 0 0001048268 IES Holdings, Inc. IESC 0001338684 Luke Donald L 5433 WESTHEIMER RD, SUITE 500 HOUSTON TX 77056 1 0 0 0 Common Stock 2019-04-01 4 A 0 298 0 A 73440 D Represents Phantom Stock Units granted pursuant to the IES Holdings, Inc. ("IES") 2006 Equity Incentive Plan (as amended and restated through February 2016) upon Mr. Luke electing to receive PSUs in lieu of cash or common stock for that portion of his retainer. Each unit converts to one share of IES common stock when Mr. Luke leaves the board of directors for any reason. /s/Gail D. Makode, Attorney-in-Fact 2019-04-02