NOTICE TO BIDDERS Energy Northwest, a joint operating agency and municipal corporation of the State of Washington, invites Bids for Invitation for Bid (IFB) No. 715127, Cooling Tower Beam Replacements at Columbia Generating Station from qualified Bidders. Bidder will be selected in accordance with RCW § 43.52.560. This IFB is subject to prevailing wage requirements pursuant to chapter 39.12 RCW. For a copy of these documents please reach out to Steven Lund at slund@energy-northwest.com IPL0372419 Sep 9 2026