Consider recommendations relating to changes to Board of Supervisors' assignments, as recommended by the President of the Board, to the Bay Area Air District, effective the remainder of calendar year 2026 and until superseded. (Lee)

County of Santa Clara Board of Supervisors Supervisorial District Three Supervisor Otto Lee 128298 DATE: April 14, 2026 TO: Board of Supervisors FROM: Otto Lee, President SUBJECT: Updated: 2026 Board of Supervisors' Assignments RECOMMENDED ACTION Consider recommendations relating to changes to Board of Supervisors' assignments, as recommended by the President of the Board, to the Bay Area Air District, effective the remainder of calendar year 2026 and until superseded. (Lee) Possible action: a. Approve recommended revised assignments for Supervisor Lee (District Three). b. Approve recommended revised assignments for Supervisor Abe-Koga (District Five). c. Approve Board-as-a-whole appointment of Chris Clark to the Bay Area Air District Board of Directors for the April 20, 2026 to April 20, 2030 term, as nominated by President Otto Lee. REASONS FOR RECOMMENDATION The attached document provides the updated assignments for the Board of Supervisors. A revision to the assignments was made for the following reasons: • Supervisor Lee and Abe-Koga’s terms as delegates for the Bay Area Air District expire April 20th, 2026. • Supervisor Lee is being reappointed to the Bay Area Air District...

2026 Supervisor Assignments/Committees (Effective April 14, 2026) Supervisor Sylvia Arenas (District #1) 2026 Board Policy Committees: Children, Families and Seniors Committee – Chair Housing, Land Use, Environment and Transportation Committee – Vice Chair 2026 Other Board Assignments: Association of Bay Area Governments, Executive Board – Delegate (Two-Year Term 07/01/2025-06/30/2027) Association of Bay Area Governments, General Assembly – Delegate County Library District Joint Powers Authority – Delegate Housing and Community Development Advisory Committee – Delegate Human Trafficking Commission – Delegate Joint Committee on Child Care – Delegate Juvenile Justice Coordinating Council – Delegate Local Agency Formation Commission – Delegate (Four-Year Term 06/01/202205/31/2026) Pajaro River Watershed Flood Prevention Authority – Delegate San Jose Youth Empowerment Alliance Policy Team - Delegate San Martin Planning Advisory Committee – Liaison Santa Clara Valley Habitat Agency Governing Board – Alternate Santa Clara Valley Habitat Agency Implementation Board – Alternate Santa Clara Valley Water Commission – Delegate South County Joint Planning Advisory Committee – Delegate South...

Docusign Envelope ID: 0D0EF935-26BF-47C2-B25E-7D7BD466D0DD Agency Report of: Public Official Appointments A Public Document 1. Agency Name California Form County of Santa Clara 806 For Official Use Only Division, Department, or Region (If Applicable) Designated Agency Contact (Name,Title) Curtis Boone, Clerk of the Board Date Posted: Area Code/Phone Number E-mail 408-299-5001 recordsunit@cob.sccgov.org 1 2 Page _____ of _____ 04/14/2026 (Month, Day, Year) 2. Appointments Agency Boards and Commissions Association of Bay Area Governments - Executive Board Arenas, Sylvia Name 1/13/2026  _____________ (Last, First) Appt Date Abe-Koga, Margaret Alternate, if any (Last, First) Association of Bay Area Governments - Executive Board Appt Date and Length of Term Name of Appointed Person Name  (Last, First)  Per Meeting: $ 150  Estimated Annual: 7/1/25-6/30/27 Length of Term ■ $2,001-$3,000 $0-$1,000 $1,001-$2,000 1/13/2026  _____________ Duong, Betty Per Meeting/Annual Salary/Stipend  Per Meeting: $ Other 150 Appt Date  Estimated Annual: Alternate, if any Abe-Koga, Margaret (Last, First)  7/1/25-6/30/27 ■ $2,001-$3,000 $0-$1,000 Length of Term $1,001-$2,000 Bay Area Air Quality...