Tranche Update on Granite Construction Incorporated's Equity Buyback Plan announced on April 29, 2016.

Granite Construction Incorporated is a diversified construction and construction materials company. The Company operates through two segments: Construction and Materials. The Construction segment focuses on construction and rehabilitation of roads, pavement preservation, bridges, rail lines, airports, marine ports, dams, reservoirs, aqueducts, infrastructure and site development for use by the general public and water-related construction for municipal agencies, commercial water suppliers, industrial facilities and energy companies. It also provides construction of various complex projects including infrastructure and site development, mining, public safety, tunnel, solar, battery storage and other power-related projects. The Materials segment focuses on production of aggregates, asphalt concrete, liquid asphalt and recycled materials for internal use in its construction projects and for sale to third parties.