SUBSCRIBER NOTE: Platts amends North American natural gas methodology guide

Effective November 27, 2017, S&P Global Platts has amended its North American Natural Gas Methodology & Specifications guide by removing several unused preliminary regional average symbols.

The symbols were initially created for the preliminary natural gas regional averages in anticipation of the new preliminary natural gas indices as part of an agreement with Intercontinental Exchange, but have not been required since the September 25 launch.

The following natural gas preliminary regional average symbols were discontinued on November 17 and are no longer available in Market Data category GJ.

PCDAA03 Appalachia Regional Average Preliminary Cumulative Price PMDAA03 Appalachia Regional Average Preliminary Fixed Price PCGAA03 East Texas Regional Average Preliminary Cumulative Price PMGAA03 East Texas Regional Average Preliminary Fixed Price PCHAA03 Louisiana-Southeast Regional Average Preliminary Cumulative Price PMHAA03 Louisiana-Southeast Regional Average Preliminary Fixed Price PCEAA03 Midcontinent Regional Average Prelim Preliminary Cumulative Price PMEAA03 Midcontinent Regional Average Preliminary Fixed Price PCCAA03 Northeast Regional Average Preliminary Cumulative Price PMCAA03 Northeast Regional Average Preliminary Fixed Price PCIAA03 Rockies-Northwest Regional Average Preliminary Cumulative Price PMIAA03 Rockies-Northwest Regional Average Preliminary Fixed Price PCJAA03 Southwest Regional Average Preliminary Cumulative Price PMJAA03 Southwest Regional Average Preliminary Fixed Price PCFAA03 Upper Midwest Regional Average Preliminary Cumulative Price PMFAA03 Upper Midwest Regional Average Preliminary Fixed Price

Please send any comments to the above to gas_survey_comments@platts.com and pricemethodology@spglobal.com.