TC Energy periodically provides information beginning at the early stages of project development, including prospecting, continuing throughout the life of assets. The information provided is intended to give people the opportunity for meaningful input and inform stakeholders of our proposed activities. Please be aware that as planning progresses, new information becomes available and details may change from the time of this printing. TC Energy follows the Official Languages Act and respects your choice to receive relevant information from us in English or in French. Please contact us if you prefer to receive French-language materials and updates. GRANDE ALBERTA PRAIRIE Proposed pipeline expansion Existing NGTL/Foothills pipelines City / town NGTL West Path EDMONTON Delivery 2023. NOVA Gas Transmission Ltd. (NGTL), a wholly-owned subsidiary of TransCanada PipeLines Limited (TCPL), an affiliate BRITISHof COLUMBIA PROPOSED WESTERN ALBERTA TC Energy Corporation (TC Energy), is investigating options for SYSTEM MAINLINE LOOP 2 prospective future growth on our NGTL System in Alberta (A.B.) TURNER VALLEY SECTION and British Columbia (B.C.). The proposed NGTL West Path Delivery 2023 Project (Project) is necessary to supply growing demand in southwest A.B., southern B.C. and downstream PROPOSED WESTERN ALBERTA North American markets, with natural gas produced in Western SYSTEM MAINLINE LOOP 2 CALGARY Canada. The proposed Project is made up of three sections. LONGVIEW SECTION 1. The proposed Western Alberta Mainline Loop 2 PROPOSED WESTERN ALBERTA Turner Valley Section SYSTEM MAINLINE LOOP 2 LUNDBRECK SECTION 2. The proposed Western Alberta System Mainline Loop 2 Longview Section CRANBROOK 3. The proposed Western Alberta System Mainline Loop 2 FERNIE Lundbreck Section USA LONGVIEW 541 22 FISH CREEK 22X FOOTHILLS COUNTY FOOTHILLS COUNTY 22 762 PEKISKO PROPOSED WESTERN ALBERTA SYSTEM MAINLINE LOOP 2 22 PROPOSED WESTERN ALBERTA PROPOSED WESTERN ALBERTA LONGVIEW SECTION OPTION A SYSTEM MAINLINE LOOP 2 SYSTEM MAINLINE LOOP 2 TURNER VALLEY SECTION LONGVIEW SECTION OPTION B MILLARVILLE 549 ProposedQUIRK pipeline CREEK expansion 549 Existing NGTL/Foothills Pipeline Receipt meter station Delivery Meter Station M. D.OF Compressor station Proposed pipeline expansion WILLOW CREEK Protected area Existing NGTL/Foothills Pipeline NO. 26 City / town Delivery Meter Station TURNER KANANASKIS I.D. VALLEY 546 M. D.OF Turner Valley Section Longview Section RANCHLAND NO. 66 SARATOGA SALES The proposed Turner Valley Section will consist of approximately The proposed Longview Section will consist of approximately 23 km of 48-inch diameter pipeline, located approximately 3 km 8 km of 48-inch diameter pipeline, located approximately 30 km northwest of the Town of Turner Valley, A.B. southwest of the Town of High River, A.B. Q3 2019 Engagement Start Q3 2019 Engagement Start Q2 2020 Project Notification Q2 2020 Project Notification Q4 2020 Application Q4 2020 Application Q4 2022 Clearing Start Q4 2022 Clearing Start Q3 2023 Mainline Construction Start Q3 2023 Mainline Construction Start Q4 2023 (commercial) In Service Date Q4 2023 (commercial) In Service Date 40 Proposed pipeline expansion Existing NGTL/Foothills Pipeline Receipt meter station CHAPELROCK Delivery Meter Station Protected area City / town 22 PROPOSED WESTERN ALBERTA SYSTEM MAINLINE LOOP 2 LUNDBRECK SECTION COLEMAN BLAIRMORE SALES M. D. OF PINCHER CREEK FRANK NO. 9 Contact us BELLEVUE MUNICIPALITY OF CROWSNEST PASS Contact us with any questions about our prospecting: HILLCREST 3 1-855-895-8754 MINES [email protected] CARMMOND INT Or write to us at: TC Energy Lundbreck Section 450 - 1 Street S.W. Calgary, AB Canada, T2P 5H1 The proposed Lundbreck Section will consist of approximately 7 km of 48-inch diameter pipeline, located approximately 30 km For further information regarding the CER’s processes, northwest of the Town of Pincher Creek, A.B. please contact us or contact the regulator directly: Canada Energy Regulator Q3 2019 Engagement Start Suite 210, 517 – 10 Avenue S.W. Calgary, AB Q2 2020 Project Notification Canada, T2R 0A8 Q4 2020 Application 1-800-899-1265 Q4 2022 Clearing Start [email protected] Q3 2023 Mainline Construction Start www.cer-rec.gc.ca Q4 2023 (commercial) In Service Date TCEnergy.com Our NGTL and Foothills assets are regulated by the Canada Energy Community benefits Regulator (CER) and when we determine a feasible growth strategy with input from our customers, we will bring you more information Our projects offer long-term economic benefits and help clearly identifying a scope for the proposed project, indicating the strengthen the economy on a local, provincial and national level: type of regulatory application we will plan to submit. • Employment and business opportunities – Construction With more than 65 years’ experience, TC Energy is a leader in requires the services of equipment operators, welders, the responsible development and reliable operation of North mechanics, truck drivers, labourers, and more, as well American energy infrastructure including natural gas and liquids as creates demand for local goods and services. Vendors pipelines, power generation and gas storage facilities. We safely interested in working with us can visit TCEnergy.com to deliver the energy that millions of North Americans rely on every register as an interested local service provider. We award day to power their lives and fuel industry. contracts to qualified pipeline construction contractors and work with them to provide local employment opportunities. Responsible stakeholder and rightsholder engagement • Annual revenue to support local services – Project construction results in tax payments to all levels of Guided by our values of safety, responsibility, collaboration and government. When the project is operational, annual tax integrity, we are proud of the positive relationships we have built payments help support schools, hospitals, emergency services with our neighbours for the last 65 years. We recognize that and other local programs vital to communities. ensuring Indigenous groups, as rightsholders, and our stakeholders are engaged and respected is critical to TC Energy’s success. • Investment in local communities and Indigenous groups – Giving back to the communities where we operate has We are committed to sharing information and seeking public always been part of our culture. Whether it’s partnering with input which results in better plans – for us, stakeholders, community groups, supporting local initiatives or encouraging rightsholders and communities as a whole. We document the our employees to be involved in their neighbourhoods, the entire stakeholder engagement process including the issues goal of our Build Strong community investment program is to raised by stakeholders and rightsholders, along with the ways build strong and vibrant communities across North America. we address these issues. Visit TCEnergy.com/BuildStrong for more information. Commitment to engagement and addressing concerns Managing our environmental footprint Our approach to consultation and engagement with Whether it’s designing, building, or operating energy stakeholders, landowners, and Indigenous groups is focused infrastructure, we are committed to being responsible on understanding concerns and addressing issues related to environmental stewards on the land we share – and our our projects and operations. We engage and consult early and environmental principles of stewardship, protection and often, invite feedback, provide updates and address concerns performance help guide our decisions. As part of our throughout the regulatory process and throughout operations. commitment, and in support of the regulatory process, we assess potential effects that may be associated with Our preference for addressing concerns is through direct and construction and operation of a proposed project. Some respectful discussion. Issues received or identified during these examples of possible effects associated with meter station, discussions are systematically tracked and followed to promote compressor station or pipeline projects include potential effects mutual resolution. If mutual resolution is not achievable, parties to soil, water, fish, and wildlife, air quality, and noise. may consider use of the Canada Energy Regulator’s (CER) collaborative Alternative Dispute Resolution (ADR) process. The Environmental and Socio-Economic Assessment prepared for a proposed project considers potential effects on communities Engaging Indigenous groups and groups whose interests may inform our planning process, including the potential for the a project to impact diverse groups Building and maintaining relationships with Indigenous groups of people. We propose mitigation and enhancement measures near our proposed projects and existing facilities has long and evaluate the significance of residual effects once these been an integral part of our business. We recognize Indigenous measures are implemented. An Environmental Protection Plan groups as rightsholders who have a distinct relationship with the is also developed to identify the necessary measures to be used land. We know that our activities have the potential to affect during construction, and the best practices we use to guide the lives of Indigenous groups in a tangible way. operations of the assets throughout their life cycle to manage effects and maintain equivalent land capability. We work closely with Indigenous groups to understand the potential effects of