News Release

2/13/2026

South Bow Shares Findings of Root Cause Analysis of Milepost 171 Incident

CALGARY, Alta. – Feb. 13, 2026 – South Bow Corp. (TSX & NYSE: SOBO) (South Bow or the Company) and the Pipeline and Hazardous Materials Safety Administration (PHMSA) have received the independent third-party root cause analysis (RCA) of the incident that occurred at Milepost 171 (MP-171) of the Keystone Pipeline on April 8, 2025, near Fort Ransom, N.D.