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TSP Name Columbia Gulf Transmission, LLC TSP 007854581 Notice Type Description: Maintenance Notice Stat Desc: Initiate Prior Notice: Critical: Y Reqrd Rsp Desc: No Response Required Post Notice Effective Notice End Response Post Date: 10/20/26 10/20/26 11/20/26 Subject: Subject: Lake Arthur Compressor Station Maintenance (4246), October 27-28, 2026 Author: Author: Dillon Schoolcraft Notice Text Columbia Gulf Transmission, LLC (CGT) reminds customers of upcoming maintenance at Lake Arthur Compressor Station beginning Tuesday, October 27, 2026, through Wednesday, October 28, 2026. As a result, the delivery capacity at Cameron LNG (4246) will be reduced to 700,000 Dth (Primary Only) effective Timely Cycle for Gas Day October 27, 2026. CGT anticipates this restriction may result in curtailments to Interruptible, Secondary Firm, and Primary Firm services. Please see the details provided below for more information. 4246 · Estimated Capacity Setting: 700,000 · Design Capacity: 800,000 Dth · Posted Percentage: 88% Reservation Charge Credits (RCCs) will be determined per the process set forth in the General Terms and Conditions, Section 40 of CGT’s FERC Gas Tariff (Tariff). By means of this notice, CGT is establishing the 7-day Average Usage Quantity to be the period of October 13-19, 2026, pursuant to the provisions in the Tariff. Please contact your Customer Services Representative with any questions.