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 December 2020 are as follows: El Paso Natural Gas Co. – Permian Basin FOM Price $2.2700 Daily Average Price $2.3931 Southern California Gas Co. – City Gate FOM Price $5.0400 Daily Average Price $4.5939 Average (SoCal-City Gate, Permian Basin) FOM Average Price $3.6550 If you have any questions or need additional information, please call your Marketing Account Representative.