NOTICE TO BIDDERS Energy Northwest, a joint operating agency and municipal corporation of the State of Washington, invites Bids for B34 - Roof Recoat at Columbia Generating Station, as described herein, from qualified Bidders. Bidder will be selected in accordance with RCW §43.52.560. This Invitation for Bid (IFB) 716503 is subject to prevailing wage requirements pursuant to chapter 39.12 RCW. For a copy of the IFB documents please reach out to Amie Bootsma at arbootsma@energy-northwest.com IPL0306844 Jan 21 2026