Nancy Diep

Nancy Diep

Lawson Lundell LLP

Recognized since 2014

Calgary, Alberta

Practice Areas

Tax Law

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Nancy's practice focuses primarily on the tax aspects of mergers, acquisitions and reorganizations, including cross-border transactions or financings and intragroup restructuring. She has worked on a wide variety of transactions for multinationals, private companies, senior, intermediate and junior resource issuers, income and royalty trusts, and private equity groups.


Select recent experience includes:

  • Apollo Global Management LLC-backed Jupiter Resources on its C$2-billion acquisition of Encana's Bighorn properties in Alberta
  • 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.


    Nancy has been recognized by The Best Lawyers in Canada 2015 as a leading lawyer in the area of Tax Law.


  • Suite 1100, 225-6th Avenue S.W.
    Brookfield Place
    Calgary, AB T2P 1N2

Lawson Lundell LLP
Headquarters: Vancouver, British Columbia

76 The Best Lawyers in Canada awards

19 Best Lawyers: Ones to Watch in Canada awards

Law Firm of the Year Badge Full Firm Profile

Recognized in The Best Lawyers in Canada 2023 for work in:

  • Tax Law

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