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 June 2017 are as follows: El Paso Natural Gas Co. – Permian Basin FOM Price $2.7900 Daily Average Price $2.5977 Southern California Gas Co. – City Gate FOM Price $3.2900 Daily Average Price $3.1407 Average (SoCal-City Gate, Permian Basin) FOM Average Price $3.0400 If you have any questions or need additional information, please call your Marketing Account Representative.