SOUTH BOW INFRASTRUCTURE OPERATIONS INC. — Integrity Assurance Notification

DISCOVERY BEYOND 180 DAYS HCASouth Bow Infrastructure Operations Inc. (OPID 32334) would like to inform you that a report was received from an ILI vendor that did not provide adequate information to determine if a potential geometry-related threat exists to the integrity of the pipeline. Consequently, and to no fault of South Bow, discovery of a condition relevant to the geometry data of this inspection may exceed the 180-day threshold which is the purpose of this notification in accordance with CFR Part 195.452(h)(2). Note that the metal-loss data of this inspection is not affected and able to be responded to within the 180-day threshold (i.e., by Nov 5, 2024), in accordance with CFR Part 195.452(h)(2). The ILI vendor has committed to providing South Bow with an updated final report by Nov 30, 2024, allowing South Bow to complete the geometry data assessment by the end of December 2024.#