Retirement Plan for the Employees of the Avista Corporation

Retirement Plan for the Employees of the Avista Corporation is a single-employer-defined benefit corporate pension plan based in Spokane, Washington. Established in 1948, the plan is a defined benefit plan established by Avista Corporation for the benefit of the employees of the Company. It provides normal retirement, death, and disability benefits to its eligible beneficiaries. The assets of the plan are managed by the executive management team