APi Group Set to Join S&P MidCap 400

Group 1 - APi Group Corp. will replace United States Steel Corp. in the S&P MidCap 400 effective June 24, 2025 [1] - The acquisition of United States Steel by Nippon Steel Corp. was completed on the same day as the announcement [1] - The changes will take effect prior to the opening of trading on the effective date [1] Group 2 - APi Group is categorized under the Industrials sector, while United States Steel is categorized under the Materials sector [1]