Advisory Team

Arturo Bonillas, Eng.

Mr. Bonillas has been involved in the Mexican mining and exploration sector for over 35 years. Most recently, he was President of Timmins Gold Corp. (“Timmins Gold”), where over his 10-year tenure he oversaw the transition of the company from exploration and development to a mid-tier gold producer. Prior to Timmins Gold, Mr. Bonillas spent three years with Mexican silver developer Silvermex Resources Inc., where he was Co-Founder and President. He also spent three years as the General Manager of Latin America for Continuum Resources Ltd. and oversaw the development of the San Jose del Progreso project in Oaxaca, Mexico which was later sold to Fortuna Silver Mines Inc. Mr. Bonillas has also had operational and financial roles with Compania Minera de Cananea (now owned by Grupo Mexico) and Minera de Real de Angeles (Placer Dome Inc. / Empresas Frisco joint venture). Mr. Bonillas has extensive experience in corporate social responsibility and government relations as it pertains to Mexican mining and he has an impeccable track record in community relations over his career. In 2017, Mr. Bonillas was awarded the prestigious Ostotakani Award, which is given to distinguished leaders in the Mexican mining industry. Mr. Bonillas holds a B.Sc. degree in Industrial Engineering from the University of Arizona.

Cal Everett, B.Sc.

Mr. Everett is President and Chief Executive Officer of Liberty Gold. He is a geologist with more than 14 years of surface and underground exploration experience with senior mining companies. Mr. Everett moved to the financial sector in 1990, and spent 12 years with BMO Nesbitt Burns focused on resource equities, and seven years with PI Financial Corp. in senior resource institutional sales and capital markets. From 2008 to 2015, he was President and Chief Executive Officer of Axemen Resource Capital. Mr. Everett holds a Bachelor of Science degree in Economic Geology from the University of New Brunswick.

Craig Roberts, B.A.Sc., P.Eng.

Mr. Roberts is a mining engineer with 35 years of operations, consulting, and investment banking experience. For the last 20 years Mr. Roberts has worked as a mining investment banker with First Marathon Securities, National Bank Financial, PI Financial, and Axemen Resource Capital, focused on institutional equity financing and merger and acquisition advisory mandates in the mining sector. Previous to this Mr. Roberts worked 7 years with Wright Engineers/Fluor Corporation, focused on feasibility studies of various mining projects worldwide. Prior to this Mr. Roberts held senior management positions for the construction and 5 years of operation of a new underground coal mine in British Columbia. Mr. Roberts holds a B.A.Sc. degree in Mining Engineering from UBC, an M.Phil. in Management Studies from Oxford University, and is registered as a Professional Engineer (Mining) in British Columbia. Mr. Roberts has taught Mineral Economics and Mine Services courses at UBC and is former Chair of the Mineral Economics Society of the Canadian Institute of Mining, Metallurgy, and Petroleum.

Sean Tetzlaff, CPA, CA

Mr. Tetzlaff is an experienced financial professional with over 25 years of experience in the mining industry. He has been responsible for the successful execution of numerous equity investments, asset divestitures and merger and acquisitions transactions over his career. Mr. Tetzlaff currently serves as Chief Financial Officer and Corporate Secretary of Pure Gold Mining Inc. and is a director of Liberty Gold. He served as Chief Financial Officer and Corporate Secretary of Blue Gold Mining Inc., which merged with Riverstone Resources Inc. in 2012 to become True Gold Mining Inc., which was sold to Endeavour Mining Corporation in 2016. He served as CFO, VP Finance and Corporate Secretary of Fronteer Gold from 2005 to 2011, when it was sold to Newmont for $2.3 billion. Mr. Tetzlaff also served as CFO of Aurora Energy from 2006 to 2008, helping the company grow from initial public offering through to the advancement of one of the world's largest undeveloped uranium deposits. Mr. Tetzlaff has a tax background, having worked with KPMG LLP from 2000 through 2004.

Jose Alberto Vizquerra-Benavides, MSc., AIPG

Jose Alberto Vizquerra-Benavides, MSc., AIPG

Mr. Vizquerra is currently President, CEO, and Director of O3 Mining Inc, a company of the Osisko group. Mr. Vizquerra has been serving the Osisko group since 2011. He served as Executive Vice President of Strategic Development for Osisko Mining Inc for over four years. Mr. Vizquerra also served as the President & CEO of Oban Mining Corporation (“Oban”), where in 2015 he led the successful change of business strategy that resulted in Oban’s acquisition of Corona Gold Corporation, Eagle Hill Exploration Corporation, and Ryan Gold Corporation to form what is now Osisko Mining Inc. Mr. Vizquerra previously worked as Head of Business Development for Compañia de Minas Buenaventura, prior to which he worked as a production and exploration geologist at the Red Lake gold mine in Ontario.

Mr Vizquerra receipt the Peter Munk award in 2019, from the Young Mining professionals.

He is currently a board member of Osisko Mining Inc. and Sierra Metals Inc., he also serves as an advisor to the board of Discovery Metals Corp. and Palamina Resources. Mr. Vizquerra is an alumni of the General Management Program at the Wharton School of Business. He holds an MSc in Mineral Exploration from Queens University and a B.Sc in Civil Engineering from UPC Universidad Peruana de Ciencias Aplicadas. Mr. Vizquerra is a Qualified Person as defined in NI 43-101.

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