Location Gas Day Gravity BTU CO2 % Nitrogen % Oxygen % H2S Methane % Ethane % Propane % ISO Butane % Normal Butane% Neo Pentane % ISO Pantane % Normal Pentane % Hexane % N-Heptane % N-Octane % N-Nonane % BAY CHECK GC @ 170610 2026/02/12 0.5870 1.03042 0.9737 00.5966 00.0000 00.0000 94.5019 03.7218 00.1769 00.0090 00.0115 00.0000 00.0028 00.0019 00.0015 00.0011 00.0005 00.0000 CUSTER ST @ LINE AD ST1 @ 301608 2026/02/12 0.5766 1.01414 0.6519 01.0847 00.0000 00.0000 96.1017 02.0546 00.1012 00.0023 00.0031 00.0000 00.0000 00.0000 00.0000 00.0000 00.0000 00.0000 GLENDALE CEGT TO MRT @ 350100 2026/02/12 0.5973 1.04473 0.8116 00.9602 00.0000 00.0000 92.1795 05.8249 00.2028 00.0058 00.0080 00.0000 00.0015 00.0011 00.0020 00.0014 00.0007 00.0000 CHANDLER ST DISCHARGE GC @ 130640 2026/02/12 0.5972 1.04373 0.8565 00.9408 00.0000 00.0000 92.2663 05.6911 00.2251 00.0074 00.0077 00.0000 00.0014 00.0011 00.0010 00.0007 00.0003 00.0000 FM 63 - Columbia GC @ 206124 2026/02/12 0.6027 1.07691 0.2224 00.4351 00.0000 00.0000 90.9482 07.8939 00.3986 00.0328 00.0456 00.0000 00.0093 00.0062 00.0035 00.0026 00.0012 00.0000 The information displayed above reflects daily average gas quality readings taken at key locations on the EGT systeGQ. The dates shown above are the dates of the readings. The readings are taken daily, and information from such readings is posted on the first day thereafter. If on any reading day there are problems retrieving the data, the last reported readings will remain posted until such time as new readings are obtained. Due to factors such as equipment failure, sample contamination and human error, the information displayed above