PLATINUM EQUITY LLC

• 10% owner at McGraw Hill, Inc. · on record since Jul 23, 2025
• 10% owner at GPGI, Inc. · on record since Jan 20, 2026
• 10% owner at AMERICAN COMMERCIAL LINES INC. · on record since Oct 28, 2010
• 10% owner at ULTICOM INC · on record since Oct 22, 2010
• 10% owner at Ingram Micro Holding Corp · on record since May 8, 2026
• Director at Gores Holdings, Inc. · on record since Nov 14, 2016
• 10% owner at Gores Holdings, Inc. · on record since Nov 14, 2016
• 10% owner at RYERSON INC. · on record since Aug 7, 2014
• 10% owner at ELECTRO RENT CORP · on record since Jun 6, 2016
• 10% owner at KEY ENERGY SERVICES INC · on record since Apr 6, 2017
• 10% owner at Custom Truck One Source, Inc. · on record since Apr 5, 2021
• Director at VERRA MOBILITY Corp · on record since Oct 26, 2018
• 10% owner at VERRA MOBILITY Corp · on record since Oct 26, 2018
• 10% owner at Wesco Aircraft Holdings, Inc · on record since Aug 19, 2019
• Director at Vertiv Holdings Co · on record since Feb 11, 2020
• 10% owner at Vertiv Holdings Co · on record since Feb 11, 2020