Workers of Sigma Lithium Corp are seen at the Grota do Cirilo mine in Itinga, in Minas Gerais state, Brazil April 18, 2023. REUTERS/Washington Alves/File Photo Acquire Licensing RightsSept 13 (Reuters) - Miner Sigma Lithium (SGML.V), said on Wednesday it is evaluating strategic alternatives for the whole company, including its Brazilian unit, sending the company's U.S.-listed shares up 14.8% in premarket trading. The company said it has received multiple proposals for its Grota do Cirilo project in Brazil, Sigma Brazil and parent company Sigma Lithium. The proposals were from "global industry leaders in the energy, auto, batteries and lithium refining industries", according to Sigma Lithium. Sigma Lithium CEO Ana Cabral-Gardner said in July that Bank of America was coordinating talks with parties interested in acquiring it.

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Persons: Washington Alves, Calvyn Gardner, Ana Cabral, Gardner, Sourasis Bose, Shounak Dasgupta Organizations: Sigma Lithium Corp, REUTERS, Sigma, Sigma Lithium, of America, LG Energy, Thomson Locations: Itinga, Minas Gerais, Brazil, U.S, Sigma Brazil, Vancouver , British Columbia, Bengaluru