NOTICE TO BIDDERS Pursuant to Revised Code of Washington §43.52.565, Energy Northwest, a Joint Operating Agency and Municipal Corporation in the State of Washington, is inviting competitive proposals from qualified Bidders for the Normal Transformer Replacement project at Columbia Generating Station, as detailed in Request for Proposal (RFP) 714509 documents. For copies of RFP 714509 documents, please reach out to Amie Bootsma at arbootsma@energy-northwest.com.