PROJECTS DaVita Medical Office Building — Palmdale, CA Meridian Property Company, a full-service real estate developer having completed over one million square feet of innovative and integrated commercial office (primarily medical), acquired the Sierra Pelona Medical Center in Palmdale with the intention to reposition it to a thriving medical campus complementing its neighbor, Palmdale Regional Medical Center. Meridian Property Company retained Cornerstone Earth Group to provide geotechnical engineering and construction services for an approximately 14,000 square foot, single-story, medical office building at the Sierra Pelona Medical Center. Cornerstone Earth Group also recently provided similar services for Meridian Property Company’s medical buildings located on West El Camino Real in Mountain View (8,600 square feet), on West MacArthur Boulevard in Oakland (20,600 square feet), and on Broadway in Oakland (22,700 square feet). Cornerstone’s Value Added Benefits: Provided several foundation alternatives to help save construction costs. Performed in-situ field density testing of undocumented fill to minimize over-excavation and re-compaction. Provided staffing for an expedited construction schedule. Presented cost-effective field solutions when construction grading challenges were encountered. Provided weekly project status report for tracking schedule and budget. ©2021 Cornerstone Earth Group, Inc. All rights reserved.

PROJECTS Cherry Avenue Logistics Center — Newark, CA McShane Development Company retained Cornerstone Earth Group to provide a Phase I Environmental Site Assessment, Soil and Ground Water Quality Evaluation and a Geotechnical Investigation for the redevelopment of a 29.4-acre site with an approximately 586,500-square foot warehouse and trucking facility. The warehouse will be of concrete tilt-up construction with a steel truss hybrid roof structure with a wood deck. The project also includes asphalt concrete and Portland cement concrete pavements, a loading dock, bioswales and utilities. Cornerstone’s Value Added Benefits: Integrated environmental and geotechnical services to facilitate cost-effective site selection and design. Our environmental evaluation helped McShane Development Company compare potential environmental liabilities associated with prior industrial use of the property with redevelopment plans. Our geotechnical team worked closely with McShane’s project managers to develop practical design criteria and cost-effective earthwork recommendations, such as alternatives for reusing of on-site improvements. ©2021 Cornerstone Earth Group, Inc. All rights reserved.