Sierrita Gas Pipeline LLC Cash Out Prices The reference prices, used to determine the Cash Out Index Price, as defined in Sections 1.7 and 10.3 of the General Terms and Conditions of Sierrita Gas Pipeline's Original Volume No. 1 Tariff for the month of January 2018 are as follows: El Paso Natural Gas Co. – Permian Basin FOM Price $2.2300 Daily Average Price $2.9297 Southern California Gas Co. – City Gate FOM Price $3.8800 Daily Average Price $3.4987 Average (SoCal-City Gate, Permian Basin) FOM Average Price $3.0550 If you have any questions or need additional information, please call your Marketing Account Representative.