NOTICE TO BIDDERS Energy Northwest, a joint operating agency and municipal corporation in the State of Washington, is soliciting Bidders to attend a Site visit and submit a Sealed Bid for the Backwash Air Tank Installation and Miscellaneous Waste Radioactive Demolition as more fully described in the Invitation for Bid No. 717413 documents. Copies of the documents can be requested from Marcie Roberts at mlroberts@energy-northwest.com. IPL0338046 May 6 2026