All notices or other communications given or made hereunder will be in writing and will be deemed to have been given when delivered personally or by facsimile or electronic mail to the party designated to receive such notice, or on the date following the day sent by overnight courier, or on the third (3rd) business day after the same is sent by certified mail, postage and charges prepaid, in each case directed to (a) AFIV at the address set forth on the signature page hereto and (b) the Company at Six Desta Drive, Suite 6500, Midland, Texas 79705, Attention: Mel G. Riggs, Facsimile No. (432) 688-3247.