Orion Group Holdings, Inc. Schedules Announcement of Second Quarter 2017 Results and Conference Call

HOUSTON, July 11, 2017 -- Orion Group Holdings, Inc. (NYSE:ORN) (the “Company”), today announced it will release its financial results for the second quarter 2017 before the market opens on Thursday, August 3, 2017.  The Company will host a conference call to discuss results the same day at 10:00 a.m. Eastern Time/9:00 a.m. Central Time. To participate, please dial the Orion Group Holdings, Inc. Second Quarter 2017 Earnings Conference Call toll free at (855) 478-9690; participant code: 51019336. To listen to the live webcast of the conference call, or access the replay, visit the Calendar of Events page of the Investor Relations section of the website at www.oriongroupholdingsinc.com.

About Orion Group Holdings

Orion Group Holdings, Inc., a leading specialty construction company, provides services both on and off the water in the continental United States, Alaska, Canada and the Caribbean Basin through its heavy civil marine construction segment and its commercial concrete segment.  The Company’s heavy civil marine construction segment services includes marine transportation facility construction, marine pipeline construction, marine environmental structures, dredging of waterways, channels and ports, environmental dredging, design, and specialty services.  Its commercial concrete segment provides turnkey concrete construction services including pour and finish, dirt work, layout, forming, rebar, and mesh across the light commercial, structural and other associated business areas.  The Company is headquartered in Houston, Texas with regional offices throughout its operating areas.

Orion Group Holdings, Inc.
David Griffith, Investor Relations Manager (713) 852-6582