NOTICE OF AVAILABILITY FINAL ENVIRONMENTAL ASSESSMENT AND FEDERAL FINDING OF NO SIGNIFICANT IMPACT/RECORD OF DECISION For the Runway Incursion Mitigation and Related Improvements Project at Boise Airport, Boise, Idaho The Federal Aviation Administration (FAA) accepted the Final Environmental Assessment (EA) for the Runway Incursion Mitigation and Related Improvements Project at Boise Airport, Boise, Idaho as a federal document and based its June 2026 Finding of No Significant Impact/Record of Decision (FONSI/ROD) on that Final EA. The FONSI/ROD and Final EA are being made available to the public pursuant to the National Environmental Policy Act (NEPA). The FONSI/ROD and EA are available for review for 30 days beginning June 19, 2026, during normal business hours at the Boise Airport Administration Offices, 3201 Airport Way, Suite 1000, Boise, Idaho 83705 and online at https://www.iflyboise.com/business/10r-ea/. IPL0349693 Jun 19 2026