Mitsui Mining and Smelting : ESG Briefing Session — Efforts towards sustainability

Entered into sensor

Mitsui Kinzoku

Instrumentations Technology

1989 business

2012 Corporation was established.

Began mining

Huanzala Mine (Peru)

Developed sugar

Palka Mine (Peru)

1874 operations

began its full-scale

2006began its full-scale operations

1968 operations

content sensor for fruits

and vegetables

Began

The second Ageo

Expanded the

production of

Developed ultra thin

electrolytic

Began production at the

Taiwan Copper FoilCopper Foil Plant

copper foil with carrier

capacity to produce

Began smelting

copper foil

Ageo Copper Foil Plant

was established.

was completed.

(Micro ThinTM)

Micro ThinTM

1962 1968

1980

1991

1999

2018

of copper

(Hibi, Takehara)

1986

Pan Pacific Copper Co., Hibi Smelter was

1943

2000Ltd., was established

established

MCF was established in Malaysia.

2020

Began development

Began production

Began production

1977

of transparent

1985

2000

2013

of ITO target

of abrasive for

conductive film

glass

Began

1989

Developed

Mitsui Electronic

Established a mass

1963

production of

high densityMaterials Co., Ltd., was

rare earth

production system for IGZO

ITO

established in Taiwan.

Began supplying

1966

Began operation of

manufacturing base

capacity to produce

1981

Catalysts Kamioka

battery materials

Began

1970

Plant

was established

2006

2018

catalysts for

(Takehara)

development of

(China)

four‐wheeled

catalysts for

Adopted mass

Began production of

detoxifying

1976production of the

hydrogen‐absorbing

2016

1949 1958 exhaust gas

company's catalysts

1990alloys (Takehara)

Began production of materials

Began production of

Began operation of

Full-scale operation of

Developed solid electrolyte for

1972 zinc power for

1913 1943 for nickel-cadmium batteries

new plant for zinc 1993

recycled smelting of lead

next-generationlithium-ion

batteries (Kamioka)

from scrap batteries

(Hikoshima)

electrolysis (Kamioka)

batteries

Established Automotive

1995

Equipment Business

1989

Department

1953

1966

1995

Began die-

Began production of

casting

door locks for

Established a

operations

automobiles

1951

1962

manufacturing base

(Thailand)