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MDU RESOURCES G ROUP, INC.

America depends on natural gas and oil to heat homes, generate

electricity and fuel vehicles. Demand for both natural gas and oil

continues to grow, and prices have remained strong. This has created

a robust business environment for energy companies like

WBI Holdings, Inc., which operates our natural gas and oil production,

pipeline and energy services companies. Earnings from our energy

energy

natural gas and oil production

pipeline and energy services