Orion (ORN) - 2025 Q2 - Quarterly Results

Exhibit 99.1 ORION GROUP HOLDINGS REPORTS SECOND QUARTER 2025 RESULTS AND REAFFIRMS FISCAL YEAR 2025 GUIDANCE HOUSTON – July 29, 2025 – Orion Group Holdings, Inc. (NYSE: ORN) (the "Company", "Orion"), a leading specialty construction company, today reported its financial results for the second quarter ended June 30, 2025. Highlights for the quarter ended June 30, 2025: (Comparisons to second quarter of 2024) ($ in millions, except EPS) | | | Three months ended | | | | --- | --- | --- | --- | --- | | | June ...