Exhibit 99.1 Atkore Inc. Announces Second Quarter 2024 Results • Net sales of 792.9million,down11.50.64 versus prior year to 3.67;Adjustednetincomeperdilutedsharedecreasedby0.79 versus prior year to 4.08•Netincomedecreasedby36.2 million versus prior year to 138.0million;AdjustedEBITDAdecreasedby64.1 million versus prior year to 211.9million•Full−yearAdjustedEBITDAoutlookadjustedto850 - $900 million; Ad ...