How many MDU Resources shareholders of record are there and where is the majority held?
As of Dec. 31, 2010, MDU Resources common stock was held by 15,147 shareholders of record. The states that currently represent the greatest proportion of shareholders are New York and North Dakota holding 86 and 7 percent, respectively, of all shares outstanding. South Dakota is the third largest holding by state with 1 percent of all shares outstanding. In addition, nearly 400 institutions own about 51 percent of all shares outstanding of MDU Resources stock.
