Roberta Varella

Non-Energy Minerals

Consumer Services

Process Industries

Active connections

Name	Gender	Age	Linked companies	Collaboration
Marcelo Arantes de Carvalho	M	55	BRASKEM S.A.	14 years
Juan Ignacio Rosado Gómez de la Torre	M	55	NEXA RESOURCES S.A.	3 years
Jaime Ardila Gómez	M	68	NEXA RESOURCES S.A.	5 years
Gianfranco Dante Castagnola Zúñiga	M	64	NEXA RESOURCES S.A.	4 years
José Carlos del Valle Castro	M	55	NEXA RESOURCES S.A.	2 years
Gustavo Cicilini	M	49	NEXA RESOURCES S.A.	5 years

Multi-company connection

Name	Gender	Age	Linked companies	Collaboration
Roberto Zurli Machado	M	67	BRASKEM S.A.	-
Mário Augusto da Silva	M	47	BRASKEM S.A.	-
Newton Sérgio de Souza	M	70	BRASKEM S.A.	-
Claudia Patricia Torres Beltrán	F	-	NEXA RESOURCES S.A.	21 years
Valdecir Aparecido Botassini	M	63	NEXA RESOURCES S.A.	6 years
Fernando Musa	M	58	BRASKEM S.A.	9 years
Arlene Heiderich Domingues	F	60	NEXA RESOURCES S.A.	6 years
Bernardo Afonso de Almeida Gradin	M	59	BRASKEM S.A.	2 years
Tito Botelho Martins	M	61	NEXA RESOURCES S.A.	9 years
Rosana Cristina Avolio	F	-	BRASKEM S.A.	-
Leandro Cappa	M	-	NEXA RESOURCES S.A.	-
Artur Faria	M	-	BRASKEM S.A.	9 years
Jean Simon	M	68	NEXA RESOURCES S.A.	4 years
Eduardo Schwarzbach	M	-	BRASKEM S.A.	3 years
Andrea Damiani Maia de Andrade	F	52	BRASKEM S.A.	6 years
Antônio Aparecida de Oliveira	M	62	BRASKEM S.A.	6 years
Rodrigo Nazareth Menck	M	49	NEXA RESOURCES S.A.	6 years
Antônio Rubens Silva Silvino	M	71	BRASKEM S.A.	-
Ian Pearce	M	66	NEXA RESOURCES S.A.	2 years
José Carlos Cosenza	M	73	BRASKEM S.A.	3 years
Felipe Montoro Jens	M	53	BRASKEM S.A.	-
José Alcides Santoro Martins	M	69	BRASKEM S.A.	3 years
Luciano Nitrini Guidolin	M	51	BRASKEM S.A.	-
Fernando Campos	M	-	BRASKEM S.A.	2 years
Alfredo Lisboa R. Tellechea	M	66	BRASKEM S.A.	-
Ivo Ucovich Dorsner	M	79	NEXA RESOURCES S.A.	3 years
Eduardo Rath Fingerl	M	70	BRASKEM S.A.	-
Paulo Roberto Costa	M	70	BRASKEM S.A.	-
Maria das Graças Silva Foster	F	70	BRASKEM S.A.	-
Almir Guilherme Barbassa	M	77	BRASKEM S.A.	5 years
Décio Fabrício Oddone da Costa	M	62	BRASKEM S.A.	5 years
Marcio Godoy	M	59	NEXA RESOURCES S.A.	-

Country	Connections	% of total
Brazil	23	60.53%
Luxembourg	15	39.47%

Age of Connections

Active

Past

Male

Female

Members of the board

Executives

Origin of connections