2026 Guide to Listing

TSX | TSXV Guide to Listing 2026 38 Our IPO of Rockpoint Gas Storage Inc. (“RGSI”) on TSX has provided investors with a unique opportunity to invest in a pure-play natural gas storage company with critical, large-scale infrastructure assets, and stable, growing cash flow. Listing on TSX has strengthened our access to the capital markets and connected us with a broader investor base to support our sustainable long-term growth objectives. South Bow’s spinoff into a standalone, publicly traded entity enables greater access to capital to support our growth strategy of maximizing the value of our assets and serving the needs of our customers. As the leading Canadian exchange, the TSX was South Bow’s natural partner of choice to access one of the largest pools of investors and provide the liquidity we needed in the beginning stages of trading. Toby McKenna CEO, Rockpoint Gas Storage Inc. (TSX:RGSI) Bevin Wirzba President & CEO, South Bow Corporation (TSX:SOBO) “ “ 18 issuers 122 issuers #1 in the world for number of Oil & Gas issuers $422B total market capitalization in 2025 $410B total market capitalization in 2025 18% of the world’s public Oil & Gas companies are listed on TSX & TSXV $13B equity capital raised from 2021-2025 $5.6B equity capital raised from 2021-2025 267 financings from 2021-2025 16 financings from 2021-2025 Utilities & Pipelines Oil & Gas Energy Services 38 issuers $31B total market capitalization in 2025 $2B equity capital raised from 2021-2025 41 financings from 2021-2025

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