Nancy Diep,

Nancy Diep is a partner in the Calgary office of Lawson Lundell. Nancy's practice focuses primarily on the tax aspects of mergers, acquisitions and reorganizations, including cross-border transactions or financings and intragroup restructurings. She is particularly experienced in the area of resource taxation.

Nancy has worked on a wide variety of transactions for multinationals, private companies, senior, intermediate and junior resource issuers and private equity groups.

• Canadian Petroleum Tax Society, Member

• Lexpert Special Edition:
  • Insolvency and Restructuring Guide, 2024
  • Finance and M&A Guide, 2024
• Chambers Canada: Tax - Nationwide (Band 5), 2025
• Best Lawyers in Canada: Tax Law, 2014-2025
• International Tax Review’s World Tax Rankings: Women in Tax (Highly Regarded), 2017-2025
• Canadian Legal Lexpert Directory: Corporate Tax (Leading Practitioner), 2023-2024
• Lexpert/American Lawyer Guide to the Leading 500 Lawyers in Canada: Corporate Tax, 2023
• Who's Who Legal: Corporate Tax (Canada), 2023
• Acritas Stars: 2018-2021
• The Lexpert Guide to the Leading US/Canada Cross-Border Corporate Lawyers in Canada: Corporate Lawyers to Watch, 2016
• Lexpert's Rising Stars: Leading Lawyers Under 40, 2015

• Canfor Corporation in a USD$315 million loan agreement with an affiliate of Farallon Capital Management, L.L.C.
• NuVista Energy Ltd. on the establishment of its partnership with Niyanin Nations LP to build and jointly own a majority interest in a 15-megawatt cogeneration unit at the Wembley Gas Plant near Grande Prairie.
• A syndicate of underwriters in connection with the $201 million subscription receipt offering by Peyto Exploration & Development Corp., 2023
• B2Gold in connection with its $1.1 billion acquisition of Sabina Gold & Silver Corp.
• Global brand client on its buy-out of Canadian and U.S. operations from management and minority investors  
• Allnorth Consultants on the private equity investment by Long Point Capital
• Barrick Gold with respect to an agreement to sell its 100% interest in the Lagunas Norte mine in Peru to Boroo Pte Ltd
• Longshore Resources Ltd. in connection with its acquisition of all of the outstanding shares of Rifle Shot Oil Corp. (Rifle Shot), Steelhead Petroleum Ltd. (Steelhead) and Primavera Resources Corp. (Primavera) by way of an amalgamation
• TC Energy Corporation on its sale of a 65 per cent equity stake in the Coastal GasLink Pipeline Project to KKR and AIMCo
• TC Energy Corporation on the sale of an 85% equity interest in Northern Courier Pipeline to AIMCo and, in conjunction with the sale, the financing of long-term, non-recourse debt, with approximate aggregate gross proceeds to TC Energy of C$1.15-billion
• Chevron Canada on $1.46 Billion sale of Chevron Canada R & M ULC to Parkland Fuel Corporation
• Exxon Mobil Corporation on its US$2.5-billion acquisition of InterOil Corporation
• International Petroleum Corporation on its acquisition of BlackPearl Resources Inc.
• Trinidad Drilling Ltd.'s announced $505-million merger with CanElson Drilling Inc.
• Privatization of Platino Energy Corp. by Denham Capital Management LP
• LNG Canada Development Inc. in connection with its arrangements with TransCanada Corporation to design, build, own and operate the proposed Coastal GasLink Pipeline Project (Coastal GasLink). The project involves the construction and operation of an approximately 650 km natural-gas pipeline from the Groundbirch area near Dawson Creek, B.C. to the LNG Canada liquefied natural-gas export facility near Kitimat, B.C. 
• Petrobank Energy and Resources Ltd. on its combination arrangement with Touchstone Exploration Inc.
• Suncor on the C$515-million acquisition of Total E&P's interest in the Voyageur Upgrading Limited Partnership
• C&C Energia Ltd. in connection with its acquisition by Pacific Rubiales Energy Corp. and spin-out and listing of Platino Energy Corp., an exploration stage oil and gas company
• ExxonMobil Canada Ltd. on its C$3.1-billion acquisition of Celtic Exploration Ltd.
• Charger Energy Corp. on its amalgamation with Pace Oil & Gas Ltd. and AvenEx Energy Corp.