Project name PROJECTS ABOUT US CAPABILITIES EMPLOYEE ACCESS OUR PROJECTS CURRENT CONSTRUCTION We have fine-tuned the ability to simultaneously operate a multitude of projects throughout the Columbia River Gorge. Our broad array of equipment and operators are constantly rotating through the to-do lists of projects ranging from a major wind farm construction east of The Dalles to a Klickitat River riparian restoration project to municipal sidewalk enhancement in residential Hood River. We’ve assembled the tools and the experience to operate in the high desert, remote river canyons, and steep mountain slopes. At the same time, we enjoy solving low-profile urban and residential problems with finesse. Our central location in The Dalles makes the perfect hub for efficient coordination. HISTORIC HIGHWAY STATE TRAIL: MITCHELL POINT CROSSING The iconic Mitchell Point Tunnel was a highlight of the original Historic Highway, but the construction of Interstate 84 destroyed the tunnel. Now, in spring 2021, we are breaking ground on a new tunnel and Historic Highway State… VIEW FULL PROJECT CRESTLINE CONSTRUCTION COMPANY 3600 Crates Way, Suite 100 The Dalles, Oregon 97058 Phone: (541) 506 – 4000 Fax: (541) 506 – 4001 Email Us Find us on Facebook dalles-chamber dalles-port © Crestline Construction Company, LLC. / OR Contractor #101573 / WA Contractor CRESTCCO66OK / All rights reserved.

Project name PROJECTS ABOUT US CAPABILITIES EMPLOYEE ACCESS INDUSTRIAL RATTLESNAKE ROAD WIND POWER ARLINGTON, OREGON This project is located south of Arlington, Oregon. Crestline completed the civil contract portion for Horizon Wind Energy at the Rattlesnake Road Wind Power Project in Gilliam County. This project consisted of 49 towers, including roughly 12 miles of access roads and a 25 acre laydown yard. Our scope included all road building, rock crushing, tower and crane pad excavation, and reclamation. Site Preparation 12 Miles of Access Road Construction 25 Acre Laydown Yard Rock Crushing Tower and Crane Pad Excavation Reclamation 1 2 3 4 “I have never worked with a contractor and his crews who have done such a nice job from start to finish. They have gone out of their way to produce an extremely clean and useful project.” – MICHAEL KUKES, Civil Manager, Horizon Wind Inc. CRESTLINE CONSTRUCTION COMPANY 3600 Crates Way, Suite 100 The Dalles, Oregon 97058 Phone: (541) 506 – 4000 Fax: (541) 506 – 4001 Email Us Find us on Facebook dalles-chamber dalles-port © Crestline Construction Company, LLC. / OR Contractor #101573 / WA Contractor CRESTCCO66OK / All rights reserved.

Project name PROJECTS ABOUT US CAPABILITIES EMPLOYEE ACCESS EMPLOYEE ACCESS XX Employee Pay Stub and Tax Statements Portal United Healthcare Medical Insurance Online Access MetLife Vision, Life/ADD and Accident Insurance Online Access Empower Retirement Participant Online Access CRESTLINE CONSTRUCTION COMPANY 3600 Crates Way, Suite 100 The Dalles, Oregon 97058 Phone: (541) 506 – 4000 Fax: (541) 506 – 4001 Email Us Find us on Facebook dalles-chamber dalles-port © Crestline Construction Company, LLC. / OR Contractor #101573 / WA Contractor CRESTCCO66OK / All rights reserved.