Raphael Dias

UBS O'Connor LLC is a registered investment advisor and hedge fund manager headquartered in Chicago, Illinois. The firm was founded in 2000 and is a subsidiary of UBS Asset Management (Americas) Inc., ultimately owned by UBS Group AG (SIX, NYSE: UBS) in Switzerland. UBS O'Connor primarily provides discretionary and non-discretionary investment advisory services to various types of pooled investment vehicles, (which may or may not be exempt from registration), pension or profit-sharing plans, and institutional separately managed accounts.

Construtora Norberto Odebrecht SA engages in the provision of engineering and construction services. Its projects include civil and transport infrastructure, such as motorways, metro systems, docks, and airports, as well as industrial complexes, power plants, commercial centers, public administration buildings, water treatment facilities, and urban park spaces. The company was founded by Norberto Odebrecht in 1944 and is headquartered in Rio de Janeiro, Brazil.

Lefosse Advogados is a full-service law firm based in Brazil, with over 350 legal professionals who specialize in 21 different law practices. The firm offers personalized legal solutions to clients in various sectors, with a multidisciplinary approach and a focus on diversity and combating discrimination. The firm's expertise includes banking, environmental, energy regulation, intellectual property, labor, property, and tax law, among others. Lefosse Advogados has been recognized as one of the best law firms in Brazil. The firm has offices in São Paulo and Rio de Janeiro.

Australasian Institute of Mining & Metallurgy, also known as AusIMM, is the leading organization for professionals working in the resources sector. AusIMM is based in Carlton, Australia, and has subsidiaries in Hong Kong. The Australian company's main focus is on shaping careers, showcasing leadership, creating communities, and upholding standards.

Founded in 2010 by Jeffrey Sprague, Michael Heffernan and Nicole Parent, Vertical Research Partners LLC is an independent equity research firm located in Stamford, Connecticut. The firm provides proprietary research and analysis that focuses on the industrial sector.

Bikita Minerals Pvt Ltd. engages in the production of non-metallic minerals, tantalite and petalite. The company was founded in 1911 and is headquartered in Glencova, Zimbabwe.

BofA Securities, Inc. is a registered broker-dealer subsidiary of NB Holdings Corp., ultimately held by Bank of America Corp. (NYSE: BAC). Headquartered in New York, the firm was founded in 2015 and offers trade execution, trading or brokerage services to institutional clients.

Part of Nexa Resources Perú SAA, Nexa Resources UK Ltd. is a company that wholesales metals and metal ores. Nexa Resources UK Ltd. is based in London, UK. Founded in 2016.

Founded in 1958, Merrill Lynch Piece Fenner & Smith, Inc. is an SEC registered broker/dealer located in New York City. The firm is a subsidiary of BAC North America Holding Co. and their ultimate parent is Bank of America Corp. (NYSE BAC).