CENTURION PIPELINE L.P.

Incident Narrative

ON FEBRUARY 10, 2023, AT 10:36AM, A CENTURION PIPELINE, L.P. (CPL) EMPLOYEE ARRIVED ON-SITE AT CPL'S MONROE STATION NEAR NEW DEAL, TEXAS IN LUBBOCK COUNTY, TEXAS FOR ROUTINE MAINTENANCE. CPL'S EMPLOYEE DISCOVERED AND CONFIRMED THE LEAK AT MONROE STATION AT 3:10PM. CPL ISOLATED THE LEAK AND DETERMINED THE SOURCE TO BE ON MONROE'S 6'' RELIEF LINE. NO NATIONAL RESPONSE CENTER (NRC) NOTIFICATION WAS REQUIRED. FIFTEEN (15) GALLONS OF CRUDE OIL WAS RELEASED AND RECOVERED. NO INJURIES, FATALITIES OR FIRES WERE ASSOCIATED WITH THIS INCIDENT. REMEDIATION HAS BEEN COMPLETED ON-SITE. REPAIRS WERE COMPLETED AND THE ROOT CAUSE ANALYSIS WILL BE CONDUCTED PENDING THE SAMPLE EXAMINATIONS. THE RESULTING INFORMATION RELATED TO THE CAUSE OF THE LEAK, PREVENTATIVE AND MITIGATIVE MEASURES (P&M), AND UPDATE TO COSTS, IF APPLICABLE WILL BE SUBMITTED VIA SUPPLEMENTAL REPORTS. SUPPLEMENTAL REPORT FILED ON AUGUST 28, 2023: THE FAILURE SITE WAS REMOVED AND SENT FOR TESTING. THE SEGMENT OF PIPE WAS REPLACED AND ALL REMEDIATION IS COMPLETE. DURING THE ROOT CAUSE ANALYSIS, CPL DETERMINED INTERNAL CORROSION RESULTED IN A THROUGH-WALL CORROSION PIT AT THE 7 O'CLOCK POSITION.