HOUSTON, July 21, 2008 (PRIME NEWSWIRE) -- Sterling Construction Company, Inc. (Nasdaq:STRL), ("Sterling" or the "Company") today announced that it will issue its financial results for the second quarter ended June 30, 2008 on Monday, August 11, 2008. The results will be issued before the market opens.

Sterling's management plans to host a conference call on Monday, August 11, 2008 at 11:00 am EDT/10:00 am CDT to discuss these results and recent corporate developments. Participating in the call will be Chairman & CEO Pat Manning; President and COO Joe Harper; and CFO James H. Allen, Jr. Interested parties may participate in the call by dialing 706-679-0858. Please call in 10 minutes before the conference is scheduled to begin and ask for the Sterling Construction call.

To listen to a webcast of the call, please go to the Company's website at www.sterlingconstructionco.com at least 15 minutes early to download and install any necessary audio software. If you are unable to listen live, the conference call webcast will be archived on the Company's website for thirty days. We suggest listeners use Microsoft Explorer as their web browser.

Sterling Construction Company is a leading heavy civil construction company that specializes in the building and reconstruction of transportation and water infrastructure in large and growing markets in Texas and Nevada. Its transportation infrastructure projects include highways, roads, bridges and light rail, and its water infrastructure projects include water, wastewater and storm drainage systems.

CONTACT:  Sterling Construction Company, Inc.
          James H. Allen, Jr.
            281-821-9091
          Joseph Harper
            281-821-9091

          The Equity Group Inc.
          Investor Relations Counsel
          Linda Latman
            212-836-9609
          Lena Cati
            212-836-9611