SUBSCRIBER NOTE: Platts clarifies natural gas location descriptions

(Removes reference to Agua Dulce monthly survey)

Effective March 5, 2018, S&P Global Platts has clarified the descriptions of the following natural gas locations in the Platts methodology and specifications guide for North American Natural Gas.

1. Waha (daily and monthly survey): Description was changed to specify locations which are included and excluded from the index. Description reads as follows: Deliveries into interstate and intrastate pipelines at the outlet of the Waha header system in the Permian Basin in West Texas. Pipelines and locations include El Paso Natural Gas, Transwestern Pipeline, Natural Gas Pipeline Co. of America, Northern Natural Gas, Delhi Pipeline, Oasis Pipeline, Atmos Zone 1 (Header), OneOk West Tex, and Enterprise Texas Pipeline. Does not include Atmos Zone 3 or Tolar Hub.

2. Tennessee, zone 0 (daily and monthly survey): Description was made more specific. Description reads as follows: Deliveries into Tennessee Gas Pipeline's 100 leg from the Mexico Texas border to Compressor Station 40 in Natchitoches, Louisiana, including all points of receipts on the Carthage Line No. 701-1 up to but not including transactions done at Carthage Hub in Panola County, Texas.

3. Agua Dulce (daily survey): Description was changed to include NET Mexico pipeline. Description reads as follows: Deliveries into Kinder Morgan Texas Pipelines, Houston Pipe Line, Gulf South Pipeline, Natural Gas Pipeline Co. of America, Transcontinental Gas Pipe Line, Tennessee Gas Pipeline, TransTexas Gas, Enterprise Texas, and NET Mexico at the Agua Dulce Hub in Nueces County, TX, about 20 miles west-southwest of Corpus Christi. Deliveries from the ExxonMobil King Ranch plant are included.

Please send any comments to the proposals above to gas_survey_comments@platts.com and pricegroup@spglobal.com. For written comments, please provide a clear indication if comments are not intended for publication by Platts for public viewing. Platts will consider all comments received and will make comments not marked as confidential available upon request.