All Revolving Borrowings, continuations and conversions shall require advance written notice to the Administrative Agent (which shall promptly notify the Revolving Lenders) in the form of Exhibit B-1 hereto (or telephonic notice promptly confirmed by such a written notice), which in each case shall be irrevocable, from the Borrower to be received by the Administrative Agent not later than 11:00 a.m. Houston, Texas time on the date of each Revolving Borrowing of Base Rate Loans and not later than 12:00 p.m. Houston, Texas time three Business Days prior to the date of each Revolving Borrowing of Eurodollar Loans, continuation or conversion. Without in any way limiting the Borrower’s obligation to confirm in writing any telephonic notice, the Administrative Agent may act without liability upon the basis of telephonic notice believed by the Administrative Agent in good faith to be from the Borrower prior to receipt of written confirmation. In each such case, the Borrower hereby waives the right to dispute the Administrative Agent’s record of the terms of such telephonic notice except in the case of gross negligence or willful misconduct by the Administrative Agent.