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 2026/10/17 0.5790 1.01987 0.8508 00.6641 00.0000 00.0000 95.9588 02.3626 00.1376 00.0083 00.0104 00.0000 00.0024 00.0017 00.0013 00.0009 00.0004 00.0000 CUSTER ST @ LINE AD ST1 @ 301608 2026/10/17 0.5822 1.02014 0.6658 01.2353 00.0000 00.0000 94.9065 03.1152 00.0737 00.0014 00.0018 00.0000 00.0000 00.0000 00.0000 00.0000 00.0000 00.0000 GLENDALE CEGT TO MRT @ 350100 2026/10/17 0.5890 1.03193 0.8206 00.9297 00.0000 00.0000 93.8452 04.2394 00.1402 00.0066 00.0096 00.0000 00.0021 00.0015 00.0022 00.0016 00.0008 00.0000 CHANDLER ST DISCHARGE GC @ 130640 2026/10/17 0.5859 1.02792 0.7788 00.9394 00.0000 00.0000 94.3971 03.7505 00.1157 00.0062 00.0070 00.0000 00.0015 00.0011 00.0010 00.0007 00.0003 00.0000 FM 63 - Columbia GC @ 206124 2026/10/17 0.6041 1.08012 0.1989 00.4128 00.0000 00.0000 90.4777 08.5209 00.3253 00.0221 00.0278 00.0000 00.0058 00.0037 00.0021 00.0015 00.0007 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