HollyFrontier hereby waives promptness, diligence, all setoffs, presentments, protests and notice of acceptance and any other notice relating to any of the HFRM Payment Obligations and any requirement for HEP Operating or HEP Refining to protect, secure, perfect or insure any security interest or lien or any property subject thereto or exhaust any right or take any action against HFRM, any other entity or any collateral.