NOTICE TO BIDDERS Proposals will be received by Energy Northwest via email until 1:00 PM (Local, Richland WA) on June 23, 2026, for the R28 BOP PIPE SUPPORT CONTRACT as more fully described in the Request for Proposal (RFP) No. 716569. All Proposals shall be subject to and comply with the RFP Documents. For a copy of these documents please see our website https://www.energy-northwest.com/ IPL0340888 May 15 2026