CALGARY - TC Energy Corporation (TSX, NYSE: TRP) (TC Energy or the Company) and the CFE, Mexico's state-owned electric utility, have agreed to forge a strategic alliance to accelerate the development of natural gas infrastructure in the central and southeast regions of Mexico.

TC Energy and the CFE have agreed to consolidate previous TSAs executed between TC Energy's Mexico-based subsidiary TGNH and the CFE in connection with our natural gas pipeline assets in central Mexico under a single, U.S. dollar-denominated take-or-pay contract that extends through 2055. This new TSA will also govern related new infrastructure projects to be developed in conjunction with the CFE.

'We are pleased to have been selected by the CFE as its partner and to forge this strategic and important public-private partnership, a first-of-its-kind in the CFE's 85-year history.' said Francois Poirier, President and CEO, TC Energy. 'This alliance capitalizes on each of our strengths. Together, TC Energy and the CFE will develop critical energy infrastructure to serve the growing central and southeast regions of Mexico. The Southeast Gateway Pipeline will be TC Energy's second marine natural gas pipeline in Mexico, connecting to the coastal regions of Veracruz and Tabasco, and is another prime example of our ability to originate world-class projects that offer incremental growth to our long-term outlook.'

Key benefits of the strategic alliance with the CFE

In connection with the strategic alliance, TC Energy and the CFE have reached an FID to proceed and build the Southeast Gateway Pipeline, a 1.3 billion cubic feet per day, 715-kilometre offshore natural gas pipeline to serve the growing need for safe, reliable and affordable energy in the southeast region of Mexico. The estimated project cost of US$4.5 billion was developed utilizing a third-party verified Class 3 estimate that includes over 70 per cent fixed cost pricing. Subject to review and approvals, the agreements between TC Energy and the CFE allow for sharing of costs above those approved at FID. Project development and execution will leverage our prior experience constructing the 770-kilometre, 2.6 billion cubic feet per day offshore Sur de Texas pipeline that was placed into service in 2019, approximately three years following FID. The Southeast Gateway Pipeline will originate onshore in Tuxpan, Veracruz, then proceed offshore, making landfall at Coatzacoalcos, Veracruz and Dos Bocas, Tabasco. The project is anticipated to be in-service by mid-2025.

TC Energy and the CFE have agreed to mutually terminate presently suspended international arbitrations between the two parties related to TVDR and TXTL, with TC Energy earning a return on and of all previous capital invested. TC Energy and the CFE have also agreed to work together to develop and complete the TXTL pipeline through construction of the project's central segment, subject to FID in fourth quarter 2022. The CFE will take an active role in fulfilling land, community and permitting responsibilities, leveraging upon its experience operating, building and maintaining an extensive network of linear infrastructure of over 200,000 kilometres in easements. These projects represent key milestones in TC Energy's multi-decade history of safe, reliable, and strong risk-adjusted return growth in Mexico.

Subject to regulatory approvals from Mexico's economic competition commission (COFECE) and the Regulatory Energy Commission (CRE), the strategic alliance provides the CFE with the opportunity to hold an equity interest in TGNH. The CFE's equity interest is conditional upon the CFE fulfilling specified capital contributions along with land, community and permitting responsibilities on TVDR, TXTL and the Southeast Gateway Pipeline. Regulatory approvals related to the CFE's equity participation in TGNH are expected to take up to 24 months.

Following positive FID, in-service of the Southeast Gateway Pipeline project and subject to certain other conditions, the CFE's equity interest in TGNH would equal 15 per cent. At the end of Southeast Gateway Pipeline's contract life in 2055 and after TC Energy has recovered a full return on and of capital, the CFE's equity interest in TGNH would increase to approximately 35 per cent, thereby reflecting the equivalent of approximately 49 per cent of the net value of the Southeast Gateway Pipeline and 15 per cent of the other TGNH pipelines.

The Company will continue to monitor and manage its net economic exposure in Mexico to approximately 10 per cent of total consolidated comparable EBITDA through the utilization of country-level debt financing, potential strategic partnership opportunities in Mexico and evaluating appropriate forms of risk insurance. We intend to secure up to US$2.0 billion of incremental country-level debt financing and when combined with our recently closed term loan credit agreement at our 60 per cent owned affiliate which owns the Sur de Texas pipeline, we will have raised country-level debt, non-recourse to TC Energy, equivalent to approximately 65 per cent of the Southeast Gateway Pipeline project costs. Once the Southeast Gateway Pipeline is in-service, we expect the sizeable and predictable cash flow profile to support further debt capacity.

FORWARD-LOOKING INFORMATION

This release includes certain forward-looking information, including future oriented financial information or financial outlook, which is intended to help current and potential investors understand management's assessment of our future plans and financial outlook, and our future prospects overall. Statements that are forward-looking are based on certain assumptions and on what we know and expect today and generally include words like anticipate, expect, believe, may, will, should, estimate or other similar words.

Forward-looking statements do not guarantee future performance. Actual events and results could be significantly different because of assumptions, risks or uncertainties related to our business, our alliance with CFE, the TXTL and TVDR pipelines, the Southeast Gateway Pipeline or events that happen after the date of this release. Our forward-looking information in this release includes, but is not limited to, statements related to: the expected impacts and benefits of the alliance between TC Energy and the CFE, including in relation to our earnings, cash flow and leverage ratio, as well as in relation to impacted communities; the Southeast Gateway Pipeline, including the expected costs, route, size, capacity, timing, impacts and benefits thereof, particularly in relation to its expected build multiple, impact on 2021-2026 comparable EBITDA growth outlook, and comparable per share metrics; our ability to leverage our experience constructing the Sur de Texas pipeline in relation to the construction of the Southeast Gateway Pipeline; our risk management activities in relation to our operations in Mexico, including our intentions with respect to monitoring our economic exposure and capital structure in relation thereto, as well as our intention to evaluate and pursue appropriate forms of risk insurance, divestitures and partnerships; the TXTL and TVDR pipelines, including the timing of a final investment decision in respect thereof; our projected 2021-2026 comparable EBITDA CAGR; expected 2030 U.S. natural gas imports and Mexico gas demand; the size and timing of, and satisfaction of conditions associated with, the CFE's acquisition of an equity interest in TGNH; the amounts, sources and characteristics of our financing activities, both generally and in regards to the Southeast Gateway Pipeline project in particular, as well as the extent to which cashflows from the Southeast Gateway Pipeline will be able to support further debt capacity.

Our forward-looking information is based on certain key assumptions and is subject to risks and uncertainties, including but not limited to our realization of the anticipated benefits of our alliance with the CFE, generally, and in relation to the TXTL and TVDR pipeline the Southeast Gateway Pipeline and other TGNH pipelines in particular; our ability to successfully implement our strategic priorities and whether they will yield the expected benefits; our ability to implement a capital allocation strategy aligned with maximizing shareholder value; the operating performance of our pipeline, power and storage assets; the amount of capacity sold and rates achieved in our pipeline businesses; the amount of capacity payments and revenues from our power generation assets due to plant availability; production levels within supply basins; construction and completion of capital projects; cost and availability of, and inflationary pressure on, labour, equipment and materials; the availability and market prices of commodities; access to capital markets on competitive terms; interest, tax and foreign exchange rates; performance and credit risk of our counterparties; regulatory decisions and outcomes of legal proceedings, including arbitration and insurance claims; our ability to effectively anticipate and assess changes to government policies and regulations, including those related to the environment and COVID-19; our ability to realize the value of tangible assets and contractual recoveries from impaired assets, including the Keystone XL pipeline project; competition in the businesses in which we operate; unexpected or unusual weather; acts of civil disobedience; cyber security and technological developments; ESG related risks, impact of energy transition on our business, economic conditions in North America as well as globally and global health crises, such as pandemics and epidemics, including COVID-19 and the unexpected impacts related thereto.

As actual results could vary significantly from the forward-looking information, you should not put undue reliance on forward-looking information, which is given as of the date it is expressed in this release or otherwise, and should not use future-oriented information or financial outlooks for anything other than their intended purpose. We do not update our forward-looking statements due to new information or future events, unless we are required to by law. For additional information on the assumptions made, and the risks and uncertainties which could cause actual results to differ from the anticipated results, refer to the most recent Quarterly Report to Shareholders and Annual Report filed under TC Energy's profile on SEDAR at www.sedar.com and with the U.S. Securities and Exchange Commission at www.sec.gov.

Contact:

Jaimie Harding

Tel: 403-920-7859

Email: media@tcenergy.com

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