U.S. Materials Sustainable Track Record

United States Lime & Minerals

Market Cap: US$2.6b

Manufactures and supplies lime and limestone products in the United States.

RPM International

Market Cap: US$13.3b

Manufactures and sells specialty chemicals for the industrial, specialty, and consumer markets worldwide.

NewMarket

Market Cap: US$5.4b

Through its subsidiaries, primarily engages in the manufacture and sale of petroleum additives.

Idaho Strategic Resources

Market Cap: US$236.5m

A resource-based company, engages in exploring for, developing, and extracting gold, silver, and base metal mineral resources in the Greater Coeur d’Alene Mining District of North Idaho.

Southern Copper

Market Cap: US$73.4b

Engages in mining, exploring, smelting, and refining copper and other minerals in Peru, Mexico, Argentina, Ecuador, and Chile.

Air Products and Chemicals

Market Cap: US$58.9b

Provides atmospheric gases, process and specialty gases, equipment, and related services in the Americas, Asia, Europe, the Middle East, India, and internationally.

DRDGOLD

Market Cap: US$1.3b

A gold mining company, engages in the extraction of gold from the retreatment of surface mine tailings in South Africa.

Martin Marietta Materials

Market Cap: US$30.2b

A natural resource-based building materials company, supplies aggregates and heavy-side building materials to the construction industry in the United States and internationally.