ATI's Aerospace and Defense Leadership Recognized with GICS Code Update

DALLAS, May 1, 2025 /PRNewswire/ -- ATI Inc. (NYSE: ATI) announces that effective May 1, 2025, its Global Industry Classification Standard (GICS) code has been reclassified to Aerospace and Defense, providing further recognition of the Company's transformation into a world-class A&D supplier. Previously, ATI was categorized as Metals and Mining under the standardized industry classification system administered by S&P Dow Jones Indices and MSCI.

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