Limbach Holdings, Inc. (Nasdaq: LMB) (“Limbach” or the “Company”), a building systems solutions firm that partners with building owners and facilities managers who have mission-critical mechanical, electrical and plumbing infrastructure, today announced that Michael McCann, President and Chief Executive Officer, and Jayme Brooks, Executive Vice President and Chief Financial Officer, will participate in the following investor events in September:

9^th Annual Lake Street Capital Markets Best Ideas Growth Conference

Format: One-on-one and small group meetings

When: Thursday, September 11, 2025

Location: New York, NY

24^th Annual D.A. Davidson Diversified Industrials & Services Conference

Format: One-on-one and small group meetings

When: Thursday, September 18, 2025

Location: Nashville, TN

For more information about the events or questions about registration, interested parties should reach out to their contacts at Lake Street and D.A. Davidson.

About Limbach

Limbach is a building systems solutions firm that partners with building owners and facilities managers who have mission critical mechanical (heating, ventilation and air conditioning), electrical and plumbing infrastructure. We strive to be an indispensable partner to our customers by providing services that are essential to the operation of their businesses. We work with building owners primarily in six vertical markets: healthcare, industrial and manufacturing, data centers, life science, higher education, and cultural and entertainment. We have approximately 1,700 team members in 21 offices across the eastern United States. Our team members uniquely combine engineering expertise with field installation skills to provide custom solutions that leverage our full life-cycle capabilities, which allows us to address both the operational and capital projects needs of our customers.

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