MDU Resources Gr (NYSE:MDU) reported quarterly earnings of $0.37 per share which met the analyst consensus estimate. This is a 8.82 percent increase over earnings of $0.34 per share from the same period last year. The company reported quarterly sales of $534.000 million which missed the analyst consensus estimate of $563.655 million by 5.26 percent. This is a 0.28 percent decrease over sales of $535.500 million the same period last year.