Any and all notices or other communications or deliveries to be provided by the Payee hereunder, including, without limitation, any conversion notice, shall be in writing and delivered personally, by facsimile, sent by a nationally recognized overnight courier service or sent by certified or registered mail, postage prepaid, addressed to the Maker, 4040 Broadway, Suite 508, San Antonio, Texas 78209, Fax: 210-829-1224, E mail: Lschott@enerjexres.com, or such other address or facsimile number as the Maker may specify for such purposes by notice to the Payee delivered in accordance with this paragraph. Any and all notices or other communications or deliveries to be provided by the Maker hereunder shall be in writing and delivered personally, by facsimile, sent by a nationally recognized overnight courier service or sent by certified or registered mail, postage prepaid, addressed to each Payee at the address of such Payee appearing on the books of the Maker, or if no such address appears, at the principal place of business of the Payee. Any notice or other communication or deliveries hereunder shall be deemed given and effective on the earliest of (i) the date of transmission if delivered by hand or by telecopy that has been confirmed as received by 5:00 P.M. EST on a business day, (ii) one business day after being sent by nationally recognized overnight courier or received by telecopy after 5:00 P.M. EST on any day, or (iii) five business days after being sent by certified or registered mail, postage and charges prepaid, return receipt requested.