Sigma Announces Management, Board & Technical Committee Updates Ahead of Construction - Seite 2

BOARD & TECHNICAL COMMITTEE UPDATES

Sigma has appointed Wes Roberts and Vicente Lobo as the new Co-Chairs of the Company’s Technical Committee. They will act as senior advisors to the Board and, in that capacity, will advise and support Calvyn Gardner.

• Vicente has over 30 years of executive operations experience at major Brazilian natural resource companies, serving as COO of Bunge Fertilizantes and COO of Vale Fertilizantes. He has specialized in building and operating mines as well as developing mineral, metallurgical and chemical processing and beneficiation. He started his career as a process engineer at Paulo Abib Engenharia S.A. and also served as board member for the specialty steel engine parts producer Tupy S.A. He is currently a Managing Partner at the mining consultancy firm Lobo Engenharia and advises on technical matters some of the largest mining companies globally.
  
  
• Wes has over 35 years of technical experience in the Canadian mining industry focused on mining operations, project engineering and project management in base metals and industrial minerals. His roles in an executive and advisory capacity include project controls, special projects and project evaluation. He was with Vale-Inco Ltd. from 2001 to 2006 and Heenan Blaikie LLP from 2008-2014 and more recently held various management and consulting roles with mining companies, private equity firms and indigenous organizations. Wes holds an M.Sc. in Mining Engineering from Queen’s University.
  

“We are honoured and enthusiastic to welcome two highly technically experienced and accomplished professionals in the Canadian and Brazilian mining industries. Vicente and Wes bring the perfect mix of expertise to Sigma at a critical juncture, when the Company is transitioning from developer to emerging lithium producer on a large scale, planning the construction in back-to-back sequence of the first and second production phases of its Project. As Sigma is currently undergoing detailed engineering and pre-construction activities in preparation to initiate the construction of the first phase of the Project, we believe that Wes and Vicente will be valuable technical resources to support the Company in executing these multiple initiatives,” said Calvyn Gardner.