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 2026/07/28 0.5857 1.02261 1.2473 00.5253 00.0000 00.0000 95.0252 03.0187 00.1573 00.0083 00.0104 00.0000 00.0024 00.0017 00.0014 00.0010 00.0005 00.0000 CUSTER ST @ LINE AD ST1 @ 301608 2026/07/28 0.5887 1.03294 0.5987 01.1770 00.0000 00.0000 93.6308 04.4158 00.1726 00.0026 00.0022 00.0000 00.0000 00.0000 00.0000 00.0000 00.0000 00.0000 GLENDALE CEGT TO MRT @ 350100 2026/07/28 0.5961 1.04281 0.8230 00.9439 00.0000 00.0000 92.4457 05.5623 00.2014 00.0066 00.0091 00.0000 00.0019 00.0014 00.0020 00.0015 00.0007 00.0000 CHANDLER ST DISCHARGE GC @ 130640 2026/07/28 0.5970 1.04309 0.8916 00.9064 00.0000 00.0000 92.3498 05.6087 00.2206 00.0079 00.0090 00.0000 00.0018 00.0014 00.0011 00.0008 00.0004 00.0000 FM 63 - Columbia GC @ 206124 2026/07/28 0.6051 1.08160 0.1966 00.4180 00.0000 00.0000 90.3385 08.6099 00.3638 00.0249 00.0313 00.0000 00.0066 00.0041 00.0027 00.0020 00.0010 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