Fathom is one of the largest on-demand digital manufacturing platforms in North America, serving the comprehensive product development and low- to mid-volume manufacturing needs of some of the largest and most innovative companies in the world. With more than 25 quick turn manufacturing processes combined with an extensive national footprint, Fathom seamlessly blends in-house capabilities across plastic and metal additive technologies, CNC machining, injection molding and tooling, sheet metal fabrication, design and engineering, and more. Fathom has more than 35 years of industry experience and is at the forefront of the Industry 4.0 digital manufacturing revolution, serving customers in the technology, defense, aerospace, medical, automotive, IOT sectors, and others. Fathom's certifications include: ITAR Registered, ISO 9001:2015 Design Certified, ISO 9001:2015, ISO 13485:2016, AS9100:2016, and NIST 800-171. ▪ Oct 2023 – Dec 2024: Chief Executive Officer (NYSE: FATH & Post Take Private May 2024)▪ Dec 2021 – May 2024: Board Director (NYSE: FATH)▪ Aug 2020 – Sept 2021: Chief Executive Officer, Incodema Holdings LLC (predecessor company)▪ Oct 2019 – Apr 2021: Independent Board Director, MCT Group Holdings LLC (predecessor company)Fathom Digital Manufacturing Corporation represents the business combination of Incodema Holdings LLC and MCT (Midwest Composite Technologies) Group Holdings LLC, both originally investment platforms of CORE Industrial Partners Fund I. Post take private, Fathom Digital Manufacturing Corporation is also an investment platform of CORE Industrial Partners Fund III.

CHART has provided physical therapy and occupational therapy services since 1979, providing individualized care to treat acute, sub-acute, and chronic injuries. CHART has been an ESOP since 2001.

KarYard is a digital marketing platform for automotive dealerships, resulting in an online shopping site facilitating content creation sharing to targeted end consumers.

Roberts Hawaii is the largest ESOP in Hawaii, and one of the 100 largest ESOPs in the US▪ Jan 2021 – Present: Chairman of the Board▪ Jan 2024 – Present: Compensation Committee Member▪ Jan 2021 – Present: Nominations and Corporate Governance Committee Member▪ Jan 2019 – Present: Audit Committee Member (Chairman 2019 – 2023)

CORE Industrial Partners is a private equity firm investing in manufacturing and industrial technology companies in North America

Altix Consulting is a management consulting firm supporting middle-to-large market industrial manufacturing companies worldwide with business strategy, technology & innovation, and operational excellence.

Hisco was acquired by Distribution Solutions Group, Inc. (Nasdaq: DSGR) in June 2023. Previously, Hisco was an early pioneer of ESOPs, and had proudly been an ESOP since 1974.▪ Nov 2020 – Jun 2023: Audit Committee Member▪ Nov 2020 – Jun 2023: ETL&C (Ethics, Trust, Leadership & Compensation) Committee Member

▪ Oct 2022 – Dec 2022: Transition Consultant ▪ Sep 2021 – Oct 2022: Chief Executive OfficerCadrex Manufacturing Solutions (formerly known as CGI Manufacturing Holdings LLC) is a platform of CORE Industrial Partners Fund II. During my tenure as CEO, the following 10 strategic acquisitions were made:▪ Sep 2022: EPMP | www.epmp.com▪ Sep 2022: IDL Precision Machining | www.idlprecision.com▪ Jul 2022: Tenere, Inc. | www.tenere.com▪ May 2022: Elite Manufacturing Technologies | www.emt333.com▪ Feb 2022: DFF Corporation | www.dffcorp.com▪ Feb 2022: Haven Manufacturing Company | www.haven-mfg.com▪ Jan 2022: Richlind Metal Fabricators | www.richlindmetals.com▪ Dec 2021: Precision Metal Fab and Precision Tool & Die | www.ptdie.com▪ Oct 2021: Advanced Laser Machining LLC | www.laser27.com▪ Aug 2021: CGI Automated Manufacturing LLC | www.cgimfg.com

NYSE: GTLS▪ May 2018 – May 2022: Audit Committee Member▪ May 2018 – May 2019; May 2020 – May 2022: Compensation Committee Member▪ May 2019 – May 2020: Nominations & Corporate Governance Committee Member

Strategic investors included: ▪ Khosla Ventures▪ G20 Ventures▪ Boeing HorizonX Ventures (NYSE: BA)▪ Lincoln Electric (NASDAQ: LECO)

▪ Jan 2018 – July 2020: President & Executive Chairman▪ Jan 2016 – Dec 2017: President, Chief Executive Officer & Vice Chairman of the Board▪ Jan 2015 – Dec 2015: President, Chief Executive Officer & Inside Board Director

Nov 2017: New Valence Robotics Corporation acquired by Cincinnati Incorporated

Formerly DVX Water Technologies, LLCSep 2017: EconoPure™ Water Systems acquired by Nereo Technologies

Jun 2017: J.P. Nissen Company acquired by LA-CO (Markal, Tempil)

Hypertherm is the largest ESOP in New Hampshire, and one of the 100 largest ESOPs in the US▪ Feb 2012 – Jan 2015: General Manager – Light Industrial Businesses▪ Sep 2006 – Jan 2015: Chief Information Officer ▪ Sep 2006 – Apr 2013: Chief Financial OfficerOther corporate functions sponsored: Engineering Services, Advanced Development (R&D), Corporate Development (M&A), Customer Services, Legal, and Fiduciary Agent to ESOP Trust

PARIS: LR.PAConcurrently served as Country Chief Financial Officer for Legrand Canada

Key engagements included:▪ Westport Shipyard (luxury yacht builder)▪ Neoplan USA Corporation (major transit bus manufacturer)

NYSE: BCdba US Marine Corporation (parent company of Marine Xpress & Escort Trailers)Chief Information Officer responsibilities included in roleInside Board Director and SecretaryLargest global manufacturer of recreational boats by volume. Brands included: ▪ Bayliner & Maxum (runabouts, deckboats, cruisers, yachts)▪ Trophy & Robalo (fishing boats)▪ Meridian (yachts)

NASDAQ: HBIX prior to being acquired by PA ConsultingKey engagements included:▪ Southern California Edison▪ Edison Utility Services

NYSE: ALD prior to acquiring Honeywell International, Inc. (NYSE: HON) and assuming its name▪ Mar 1996 – Apr 1997: Manager Strategic Analysis, AlliedSignal Aerospace Equipment Systems▪ Jan 1995 – Mar 1996: Senior Financial Analyst, AlliedSignal Aerospace, Incorporated