Angerosa Nicholas bought LMB

Footnotes

Represents 7,163 shares of Limbach Holdings, Inc. (the "Company") common stock issued to the reporting person on March 13, 2024 upon vesting of 5,333 performance-based restricted stock units, based on the achievement of certain pre-established performance goals at above-target levels for the performance period commencing on January 1, 2021 through December 31, 2023. Such transaction was exempt from Section 16(b) pursuant to Rule 16b-3.; The amount of common stock contains awards of restricted stock units (each, an "RSU") granted on January 1, 2022, January 4, 2023, and January 17, 2023, respectively. Each RSU represents a contingent right to receive one share of the Company's common stock, exempt under Rule 16b-3(d)(1) and (3). Each award is subject to service-based vesting conditions. The awards vest, in the aggregate, in the amount of 4,545 shares on January 1, 2025, and 2,507 shares on January 1, 2026. The amount of common stock does not include performance-based RSUs, if any, that may be earned by the reporting person but for which the Compensation Committee has not yet determined the achievements of the applicable performance goals. Any such performance-based RSU's will be reported on a Form 4 within two business days of the date of such determination.