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 2026/05/31 0.5802 1.02002 0.8532 00.7617 00.0000 00.0000 95.7323 02.4721 00.1495 00.0093 00.0121 00.0000 00.0031 00.0023 00.0018 00.0013 00.0006 00.0000 CUSTER ST @ LINE AD ST1 @ 301608 2026/05/31 0.5804 1.01809 0.6955 01.1452 00.0000 00.0000 95.3086 02.7796 00.0673 00.0014 00.0021 00.0000 00.0000 00.0000 00.0000 00.0000 00.0000 00.0000 GLENDALE CEGT TO MRT @ 350100 2026/05/31 0.5893 1.03453 0.7323 00.9397 00.0000 00.0000 93.6825 04.4800 00.1443 00.0058 00.0081 00.0000 00.0017 00.0012 00.0019 00.0014 00.0007 00.0000 CHANDLER ST DISCHARGE GC @ 130640 2026/05/31 0.5897 1.03513 0.7441 00.9214 00.0000 00.0000 93.6043 04.5701 00.1425 00.0057 00.0070 00.0000 00.0014 00.0012 00.0008 00.0006 00.0003 00.0000 FM 63 - Columbia GC @ 206124 2026/05/31 0.6035 1.07868 0.2066 00.4331 00.0000 00.0000 90.6095 08.3541 00.3305 00.0228 00.0286 00.0000 00.0058 00.0036 00.0023 00.0017 00.0008 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