Southeast Supply Header, LLC submits FERC Form 567 Annual Report of System Flow Diagrams for the year ending 12/31/14.

Exhibit Z U.S. NATURAL GAS RESOURCES AND PRODUCTIVE CAPACITY: MID-2012 Prepared for: CHENIERE ENERGY Houston, Texas Prepared by: Vello A. Kuuskraa ADVANCED RESOURCES INTERNATIONAL, INC. Arlington, VA USA August 23, 2012 U.S. Natural Gas Resources and Productive Capacity: Mid-2012 DISCLAIMER Review or use of this report by any party other than the client for whom it was prepared constitutes acceptance of the following terms by both the client and the third party. Any use of this Report other than as a whole and in conjunction with this disclaimer is forbidden without prior written permission of Advanced Resources International, Inc. (ARI). This Report may not be reproduced or copied, in whole or in part, or distributed to anyone without the prior written permission of the Reports authors at ARI. Without limiting the generality of the foregoing, excerpts from the Report cannot be reproduced, copied or distributed without the review and prior written approval of the Reports authors at ARI. Data, model results, analyses, recommendations or any other material presented in this Report may not be excerpted, redacted, modified or applied to any other context without obtaining the prior written permission of ARI. All copyrights in this Report are held by ARI. This Report is provided as is. ARI bears no responsibility whatsoever for the results of any action that you or any other party chooses to take or not take on the basis of this Report. You acknowledge that ARI is not recommending any investment actions and you agree to not rely on this Report for such action. The material in this Report is intended for general information only. Any use of this material in relation to any specific application should be based on independent examination and verification of its unrestricted applicability for such use and on a determination of suitability for the application by professionally qualified personnel in regard to any financial, investment or operating decision. JAF2012_041.DOC August 23, 2012 JAF2012_087.DOC i U.S. Natural Gas Resources and Productive Capacity: Mid-2012 BACKGROUND This report has been prepared by Advanced Resources, a geology, engineering and economics consulting firm headquartered in Arlington, Virginia. The firm has been at the forefront of unconventional gas appraisal and development since its formation in 1970. In 1978, the company (then called Lewin & Associates) published the three volume report entitled Enhanced Recovery of Unconventional Gas, which provided the foundation for the U.S. Department of Energys and Gas Research ...