BRC Partners Management GP, LLC

• 10% owner at JTH Holding, Inc. · on record since Aug 28, 2018
• 10% owner at Select Interior Concepts, Inc. · on record since Oct 29, 2018
• 10% owner at QUANTUM CORP /DE/ · on record since Dec 28, 2018
• 10% owner at Ranger Energy Services, Inc. · on record since Mar 21, 2019
• 10% owner at SONIM TECHNOLOGIES INC · on record since May 9, 2019
• Former 10% Owner at Ranger Energy Services, Inc. · on record since May 3, 2019
• 10% owner at BRUSH ENGINEERED MATERIALS INC · on record since Jul 31, 2019
• 10% owner at ALTA EQUIPMENT GROUP INC. · on record since Jan 28, 2020
• See Footnote 1 at JTH Holding, Inc. · on record since Jun 30, 2020
• Director at SONIM TECHNOLOGIES INC · on record since Jun 29, 2020
• See Footnote 1 at QUANTUM CORP /DE/ · on record since Apr 28, 2020
• 10% owner at Eos Energy Enterprises, Inc. · on record since Jun 5, 2020
• Director at BRUSH ENGINEERED MATERIALS INC · on record since Mar 26, 2021
• See Remarks at INTEGRATED SURGICAL SYSTEMS INC · on record since Dec 4, 2020
• See Remarks at TILE SHOP HOLDINGS, INC. · on record since Feb 2, 2021
• 10% owner at SYNCHRONOSS TECHNOLOGIES INC · on record since Jun 29, 2021