Notice Type Description: Operational Alert
Notice Identifier: 116183
Critical Notice Description: Critical notice
Posting Date/Time: Apr 4 2026 7:53AM
Notice Status Description: Initiate
Required Response Indicator Description: No response required
Response Date/Time:
TSP: 7933047
TSP Name: TRANSWESTERN PIPELINE COMPANY, LLC
Subject: CRITICAL NOTICE - SAME DAY - UNDERAGE ALERT - PHOENIX AREA
Notice Effective Date/Time: Apr 4 2026 7:51AM
Notice End Date/Time: Apr 5 2026 8:59AM
Notice Text:

CRITICAL NOTICE - SAME DAY - UNDERAGE ALERT - PHOENIX AREA

April 4, 2026

Due to high line pack in the Phoenix Area, Transwestern is declaring a Same Day Underage Alert for the Phoenix Area for gas day, April 4, 2026. Any Operator of a delivery point in the Phoenix Area at which actual quantities are less than scheduled quantities on this Alert Day shall be subject to Alert Day charges in accordance with Section22.4of the General Terms and Conditions of Transwestern's FERC Gas Tariff.

Based upon current operating conditions, Transwestern anticipates that this high line pack condition will continue at least for the entire gas day. Transwestern will provide additional information concerning this Alert Day condition as necessary.

Please contact Gas Control or your marketing representative with any questions
Reason: