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 February 2021 are as follows: El Paso Natural Gas Co. – Permian Basin FOM Price $2.5000 Daily Average Price $28.3402 Southern California Gas Co. – City Gate FOM Price $3.6800 Daily Average Price $28.7343 Average (SoCal-City Gate, Permian Basin) FOM Average Price $3.0900 If you have any questions or need additional information, please call your Marketing Account Representative.