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Biological Resources Evaluation Report Griffith Energy Project EXECUTIVE SUMMARY A literature review and general biological survey were conducted for the Griffith Energy, LLC (Griffith Energy), Griffith Energy Project (Project). A general biological survey of the Project site and 150-meter buffer area was performed in January 2022 to assess potential habitat for wildlife and rare plants. The Project site consisted of grazed, non-native grassland, several hills, and three residential units. All undeveloped areas of the Project site were comprised of Avena spp. — Bromus spp. herbaceous semi- natural alliance. Small mammal burrows were also present on the Project site. The only trees present in the Project site were in residential areas. The loggerhead shrike (Lanius ludovicianus), a California Department of Fish and Wildlife (CDFW) Species of Special Concern, was observed onsite during the survey. Based on the results of the general biological survey, additional surveys for rare plants are recommended. The Project site is within the planning area for both the San Joaquin County Multi-Species Habitat Conservation and Open Space Plan (SJMSCP) and East Alameda County Conservation Strategy (EACCS).Approximately 90%of the Project site is within the SJMSCP plan area, and the current site plans avoid Alameda County with the exception of the gen-tie line and access road. Additional coordination with the regulatory agencies is recommended to determine which of these plans will apply to the Project. This coordination is recommended to determine the additional requirements and refine the recommendations for California tiger salamander (Ambystoma californiense) and burrowing owl (Athene cunicu/aria). Pre- construction surveys for California red-legged frog (Rana draytonii), Swainson's hawk (Buteo swainsoni), nesting birds and raptors, San Joaquin kit fox (Vulpes macrotis mutica), and American badger (Taxidea taxus) are also recommended. Surveys are recommended to begin in spring 2022 and pre-construction surveys are recommended to be conducted 7 to 30 days prior to ground disturbance activities, depending on the species. Recommendations for pre-construction surveys will be refined during the California Environmental Quality Act(CEQA) process. A jurisdictional wetland delineation was conducted at one feature on the Project site. Based on the results of the delineation,the Project site does not contain wetlands under U.S.Army Corps of Engineers(USACE), Regional Water Quality Control Board/State Water Resources Control Board (RWQCB/SWRCB), and/or CDFW jurisdiction. Tetra Tech, Inc. i July 2023