Limbach Holdings, Inc. (NASDAQ:LMB) ("Limbach" or the "Company"), a building systems solutions firm that partners with building owners and operators who have mission-critical mechanical, electrical, plumbing and controls ("MEPC") systems, today announced that Michael McCann, President and Chief Executive Officer, will participate in the ROTH 38th Annual Conference for Growth Companies in Dana Point, California on Monday, March 23^rd and Tuesday, March 24^th, 2026.

Management will host virtual one-on-one and small group meetings with investors. A presentation will be webcast on Monday, March 23^rd, at 2:00pm PT and will be available to view here. A replay of the presentation will be available at IR Events Calendar – Limbach.

For more information about the event or questions about registration, interested parties should reach out to their contacts at ROTH.

About Limbach

Limbach is a building systems solutions firm that designs, delivers, and maintains mechanical (heating, ventilation, and air conditioning), electrical, plumbing, and controls ("MEPC") systems that support life's most important moments. We partner with building owners and operators of mission-critical facilities across healthcare, industrial and manufacturing, data centers, life sciences, higher education, and cultural and entertainment markets. With approximately 1,500 team members across 21 offices throughout the Eastern and Midwestern regions of the United States, we strive to be an indispensable partner by combining our national capabilities with strong local execution and talent to deliver proactive, safe, and reliable solutions for complex facilities. Operating on a connected platform, we integrate engineering expertise with field execution to provide customized MEPC infrastructure solutions that address both operational and capital project needs, optimizing performance, enhancing reliability, and ensuring long-term safety.

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Investor Relations

Financial Profiles, Inc.

LMB-IR@limbachinc.com

Limbach to Participate in 38th Annual ROTH Conference