2025 guidance

• South Bow has reduced its outlook for normalized EBITDA for its Marketing segment by approximately $30 million relative to 2024, due to continued impacts of WCSB crude oil pipeline capacity exceeding supply and South Bow's response to market uncertainty caused by the potential for, and continuation of, tariffs, including the unwinding of certain positions to minimize South Bow's exposure to further pricing volatility.
• South Bow anticipates that its interest expense for 2025 will be approximately $325 million, within a range of 2%, and that the Company's current tax rate will range from 23% to 24%.
• Distributable cash flow is expected to be approximately $535 million, within a range of 3%, which South Bow will use to fund its expected annual dividend of $416 million ($2.00/share), subject to approval and declaration by the Board, and investments required to continue advancing the Blackrod Connection Project.
• South Bow expects that its net debt-to-normalized EBITDA ratio will increase modestly through the course of 2025 as the Company continues to invest in the Blackrod Connection Project and incur one-time costs of approximately $40 million to $50 million associated with the Spinoff. Consistent with the Company's outlook on leverage, South Bow anticipates exiting 2025 with a net debt-to-normalized EBITDA ratio of approximately 4.8 times and that the Company will begin reducing its leverage once the Blackrod Connection Project starts generating cash flow in 2026.
• South Bow plans to invest approximately $110 million, within a range of 3%, in growth capital expenditures for the Blackrod Connection Project in 2025. The total expected capital cost of the project is estimated to be $180 million, targeted to be ready for in-service in early 2026. As of Dec. 31, 2024, South Bow has invested $62 million in the project.
• Maintenance capital expenditures are estimated to be approximately $65 million, within a range of 3%, in 2025, as South Bow proactively completes maintenance activities while demand for uncommitted capacity is expected to be subdued, and invests in information services infrastructure. These expenditures are generally recoverable through South Bow's tolling arrangements.

South Bow's 2025 annual guidance and a review of 2024 actual results are outlined below: