SIGMA LITHIUM PROMOTES KEY DIRECTORS TO CO-GENERAL MANAGERS REWARDING THEIR SIGNIFICANT OPERATIONAL ACHIEVEMENTS
- Promotion of three leaders has positively impacted Sigma Lithium's operations
- Achieved record daily production of 320,000 tonnes/year
- Resignation of Brian Talbot due to health reasons
- Sigma Lithium promotes three longstanding internal senior leadership stewards to co-General Managers.
- Promotes to co-General Managers the Director of Mining Reinaldo Brandao, Director of Processing Keith Prentice, and Director of Geology and Regional Institutional Relations Iran Zan.
- The promotion of these three leaders has been smoothly managed by Sigma Lithium's CEO.
- The elevation of co-General Managers has had a positive operational impact to Sigma Lithium.
- Achievement of record daily production annualized at 320,000 tonnes/year, as previously announced on October 2, 2023.
- These leaders have been in charge of Sigma's technical operations on-site in
Brazil for almost four months and live permanently in Aracuaí.- Responsible for the critical commissioning and production ramp-up of the Company's Greentech Plant.
- Re-engineered the tailings dry-stacking/water reusage circuit to full functionality.
- Achieved record daily record production equivalent to annualized 320,000 tonnes per year.
- Iran Zan was the second employee hired by Sigma Lithium in 2012. He has had multiple internal key leadership roles including Senior Geologist, Operational Director, Director of Regional Institutional Relations, and Head of Geology. His main achievements were:
- Responsible for managing the conclusion of the feasibility study for Phase 1.
- Delivered the Phases 1, 2, 3 and upcoming 4 mineral resource statements.
- Implemented successful community relations and regional institutional programs that endowed the Company with its outstanding social license.
- Vicente Lobo continues to provide stewardship as Chairman of Board's Technical Committee, where he has served for 5 years, since 2019.
- Brian Talbot resigned for health reasons, effective as of September 29.
- Sigma Lithium announces the resignation of Brian Talbot, following a period of intermittent personal leaves that required his extended absences from
Brazil , starting at the end of June 2023. - Mr. Talbot's departure and extended personal leaves since June have not brought any operational impact to Sigma Lithium.
- Demonstrated by our record daily production levels previously announced on October 2, 2023.
- Brian advised the CEO and Board of Directors in July 2023 that he was to retire from his role as technical lead for health reasons.
- Mr. Talbot was not an executive director nor a board member of Sigma Lithium.
- Sigma Lithium announces the resignation of Brian Talbot, following a period of intermittent personal leaves that required his extended absences from
Meritocracy Driven Culture: Promoting Exceptional Internal Leaders to co-General Managers
Sigma Lithium is formally appointing as co-General Managers the Director of Mining Reinaldo Brandao, Director of Processing Keith Prentice, and Director of Geology and Regional Institutional Relations Iran Zan. For almost four months they have successfully overseen Sigma Lithium's technical operations on-site in
Reinaldo and Keith have most recently been responsible for the critical commissioning and production ramp up of the Company's Greentech Plant, including the re-engineering of the tailings dry-stacking/water reusage circuit to full functionality and subsequent achievement of peak daily production annualized at 320,000 tonnes/year, as previously announced on October 2, 2023.
Keith and Reinaldo have been working with the Company since 2022. They led their respective teams of mining and processing on-site, during the execution of the construction of the Greentech Plant and Mine of Phase 1. In addition to their operational roles, they also lead the detailed engineering of Sigma Lithium's Production expansion (Phases 2 & 3).
Iran Zan was the second employee hired by Sigma in 2012. He has had multiple leadership roles: senior geologist, operational director, director of regional institutional relations and head of geology. During the pandemic in 2020,
CEO Ana Cabral championed their promotions, which demonstrate the meritocracy at the core of Sigma Lithium's culture. She says: "Reinaldo and Keith are consistent and stedfast leaders who have played critical roles in challenging times during commissioning back in the summer of 2023, when we were held back by the tailings dry-stacking circuit. We were innovating, and we were in uncharted territory. They embraced our purpose, took on the challenge and never relented in their quest to engineer the ultra-fine tailings dry-stacking circuit allowing the Greentech Plant to reach 320,000 tonnes of annualized production volumes. As a result, they enabled our goal of producing lithium with zero hazardous chemicals and zero tailings,"
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"We have a special teamwork culture. As we set our sights on the future, I am confident that their continued dedication, expertise, and leadership will be a driving force in Sigma Lithium's ongoing success," Ana concluded.
Cesar Chicayban, Lead Independent Director of Sigma Lithium said: "CEO Ana Cabral and her co-general managers have delivered impeccably, surpassing every operational milestone. She has been the stalwart leader driving Sigma Lithium transition from junior explorer to producer, while setting a new standard in global sustainability and net zero emissions. Her unwavering commitment and exceptional contributions have played a pivotal role in Sigma Lithium's remarkable journey. Her consistency and unfaltering ability to recruit, manage and support three different technical directors and their teams over almost seven years have resulted in the spectacular shareholder returns posted by the Company.
Brian Talbot Resigned for Health Reasons, Effective September 2023.
In addition, Sigma Lithium informs the resignation of Brian Talbot, following a period of intermittent personal leaves that required his extended absences from
Marcelo Paiva co-Chairman of Sigma Lithium states: "We had agreed to respect Mr. Talbot's decision regarding the timing to make his resignation public. Mr. Talbot's departure and extended personal leaves since June have not brought any operational impact to Sigma, as demonstrated by our peak production levels previously announced on October 2, 2023, smoothly managed by Sigma Lithium CEO and the co-general managers."
Brian Talbot stated in his resignation letter tendered to the Company in July 2023: "After arriving in
Cesar Chicayban, Lead Independent Director says: "We are deeply appreciative and thankful for Brian's service and commitment to the construction of our plant. We understand and support his decision. We wish the very best for Brian and his family."
Cesar added: "We are fortunate to be in
Biographies of Appointed Co-General Managers
Reinaldo Brandao is a senior mining executive with over 30 years of industry experience in complex mine systems operation from pit to port in global companies of mining and metallurgy. He holds a degree in Filtration Dry Stacking of Iron Ore Tailings from USP - Escola Politécnica da Universidade de São Paulo. Reinaldo has extensive experience in greenfield projects involving R&D and implementation, as well as operations with a focus on sustainability and ESG. Prior to joining Sigma Lithium, Reinaldo was a senior mining and metallurgy consultant at Norsk Hydro, as well as COO of Iron Ore at Anglo American Brazil, and COO and Mining Managing Director (CEO) of Vallourec & Sumitomo Brazil. Reinaldo began his career in mining leadership at Vale, where he held roles including Mining Automation Manager, Mine Operations Coordinator, and various engineering positions.
Reinaldo has a PhD in mine planning from Universidade Federal de Ouro Preto and He also received an MS in Engineering and a Bachelors in Mining Engineering from Escola De Minas.
Keith Prentice is a seasoned leader in mine development and construction, with significant experience in
Iran Zan is a geologist with over 12 years of professional experience in mining. Throughout his career, his work has included exploration and operational geology as well as administrative management in the pre-construction, implementation, and pre-operation phases of lithium and heavy minerals mines.
ABOUT SIGMA LITHIUM
Sigma Lithium (NASDAQ: SGML, BVMF: S2GM34, TSXV: SGML) is a leading global lithium producer dedicated to powering the next generation of electric vehicle batteries with carbon neutral, socially and environmentally sustainable chemical-grade lithium concentrate.
Sigma Lithium has been at the forefront of environmental and social sustainability in the EV battery materials supply chain for six years and it is currently producing Triple Zero Green Lithium from its Grota do Cirilo Project in
Please refer to the Company's National Instrument 43-101 technical report titled "Grota do Cirilo Lithium Project Araçuaí and Itinga Regions,
For more information about Sigma Lithium, visit https://www.sigmalithiumresources.com/
Sigma Lithium
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