TC ENERGY CORP

Summarized below are significant developments that have occurred in our Natural Gas Pipelines, Liquids Pipelines and Power and Energy Solutions businesses, respectively, and certain acquisitions, dispositions, events or conditions which have had an influence on those developments, during the last three financial years and year to date in 2026. Further information about developments in our business, including changes that we expect will occur in 2026, can be found in the Natural Gas Pipelines Business, Canadian Natural Gas Pipelines, U.S. Natural Gas Pipelines, Mexico Natural Gas Pipelines, Power and Energy Solutions, About our business - Capital program - Secured projects , and Discontinued operations sections of the MD A, which sections are incorporated by reference herein. 6 TC Energy Annual Information Form 2025 NATURAL GAS PIPELINES Developments in the Canadian Natural Gas Pipelines Segment CANADIAN REGULATED PIPELINES 2021 NGTL System Expansion Program The 2021 NGTL System Expansion Program was completed in 2024 and consists of 344 km (214 miles) of new pipeline, three new compressor units and associated facilities and added approximately 1.59 PJ d (1.45 Bcf d) of incremental capacity to the NGTL System. The capital cost of the program was $3.6 billion.