Item No. 11b supp Meeting Date: June 9, 2026 SEA Stakeholder Advisory Round Table 2025/26 Annual Report • • • • Andres Mantilla, StART's facilitator and Partner at Uncommon Bridges Marco Milanese, Community Engagement Manager Eric Schinfeld, Federal and Intl. Government Relations Manager John Flanagan, State Government Relations Manager StART 2025/26 Annual Report Presentation • Overview • Current Assessment • Focus Areas - Aviation Noise Working Group - Policy Working Group • Q&A 2 3 StART Overview • StART provides the Port with a dedicated forum intended to enhance cooperation and tackle the airport-related issues of most relevance to SEA's neighboring cities • StART brings together all the relevant parties with a common purpose to share information, collaborate and achieve results 4 StART Overview • Developed in consultation with the Highline Forum-member cities - Burien, Des Moines, Federal Way, Normandy Park, SeaTac & Tukwila • Alaska Airlines, Delta Air Lines and FAA all play key roles • Uncommon Bridges serves as facilitator • StART's Steering Committee provides strategic direction 5 Current Assessment • In 2025, StART completed its Strategic Priorities Framework to focus on areas where StART could place disproportionate interest over the next two years - Airport Growth and Capacity - Reduce Noise Impacts - Environmental Justice/Air Quality • 100% consensus in the operating agreement is a high bar to make structural changes, including changes to membership, policies, and advocacy. 6 Aviation Noise Working Group 7 Aviation Noise Working Group Focus Areas: • Lessening late night noise • Tracking operational and community response trends • Implementing voluntary air carrier guidance 8 Aviation Noise Working Group Focus in 2025/26: • Aviation Near-term Noise Action Agenda • Sound Insulation • Part 150 Noise Study 9 Vashon Island Update • Ongoing analysis of flight paths over Vashon to see if any opportunities for noise reduction. 10 Policy Working Group 11 Policy Working Group Focus Areas at the Federal & State Level: • Implement approved legislative policies • Find opportunities to advance new legislative priorities 12 Federal Policy Accomplishments • In 2024 FAA Reauthorization, passed "reauthorization" of 2018 FAA Environmental Mitigation Pilot Program - Worked with U.S. Senator Patty Murray to secure $3M in FAA funding dedicated to "study effectiveness of previously installed noise insulation packages" - FAA released NOFO in March 2026 to award this funding to "at least two projects" • In December 2025, Congress approved Senator Murray & Representative Smith's legislation allowing federal funding for secondary noise insulation for homes insulated pre-2001 13 State Policy Accomplishments & Next Steps • 2026 State Legislative Session - Aircraft noise / repair & replace grants - Airport siting (CAWG) - Air quality - Decarbonizing ground transportation and reducing emissions • Interim 2026 & 2027 Session - Diverted aviation fuel tax 14 QUESTIONS ? 15