Discussion and Consideration of Change Order #15 – Boomerang Corporation – North Park Road Improvements Project – Motion to Approve — K.4

Doc Express® Document Signing History Contract: 52-7662-615 Document: change_order-15-20260423 This document is in the process of being signed by all required signatories using the Doc Express® service. Following are the signatures that have occurred so far. Date Signed By Dakota Simonsen 04/24/2026 Boomerang Corp. Electronic Signature (Approved by Contractor) James Watters MSA Professional Svs 04/27/2026 Electronic Signature (Recommended by Engineer / Approved) (Approved by PIRC (when applicable)) (Approved by Administering Bureau or designee) (Approved by FHWA (when applicable))