Employee Security Screening Phase 2 Employee Screening at SeaTac • Phase 1 created 2 terminal "checkpoint" locations for screening of airport employees traversing from public to secure/ sterile areas • Phase 2 encompasses adding airfield screening capabilities to 2 access gates to including under-vehicle video screening. This request is for design of the buildings to house employee screeners and screening equipment • Phase 3 will be targeted on improvements in cargo areas 2 Employee Security Screening at exterior Gates E125 and E190 3 Screening for Airfield Gates E125 and E190 • Current state - 1. All vehicles entering the airfield are checked for appropriate credentials (badge or under escort) 2. Vehicles and personal belongings are subjected to a visual inspection • Future state Phase 2 (current request) - 1. All vehicles will receive under carriage screening via video technology 2. All persons will have personal items x-rayed and then proceed through a walk through advanced imaging technology (AIT) to check for prohibited items 4 Key points • Project includes new TSA standard screening equipment - Undercarriage video monitoring and xray technology with remote viewing capabilities - Advanced imaging technology (AIT) walkthroughs • Project consists of 2 ongoing costs - 16 FTE of represented employee screeners - 3 Salaried leadership positions - Aviation Maintenance facility upkeep and electronic technician support 5