MDU Resources Names New Treasurer

BISMARCK, N.D.--()--MDU Resources Group, Inc. (NYSE:MDU) today announced that it has named Jason L. Vollmer to the position of treasurer and director of Cash and Risk Management, effective Nov. 29, to replace Douglass A. Mahowald, who will retire after nearly 33 years with the company.

Vollmer joined MDU Resources in 2005 as a financial analyst. He has held a number of accounting and finance positions with increasing responsibility, most recently as manager of the Treasury, Cash and Risk Management Department.

“Jason has worked closely with Doug in the past five years and has developed the necessary expertise to lead the Treasury, Cash and Risk Management areas. Jason has developed strong relationships with our banking and risk management partners, which will make for a smooth and effective transition,” said Doran N. Schwartz, chief financial officer of MDU Resources.

Vollmer, a native of Willow City, North Dakota, has a bachelor’s degree in accounting from Minot State University. He is a certified public accountant. He and his wife, Alana, live in Bismarck with their daughter.

MDU Resources Group, Inc., a member of the S&P MidCap 400 index, provides value-added natural resource products and related services that are essential to energy and transportation infrastructure, including regulated utilities and pipelines, construction materials and services, and exploration and development. For more information about MDU Resources, see the company's website at www.mdu.com or contact the Investor Relations Department at investor@mduresources.com.

Contacts

MDU Resources Group, Inc.
Media:
Rick Matteson, director of communications and public affairs, 701-530-1700
or
Laura Lueder, corporate public relations manager, 701-530-1095
or
Financial:
Phyllis Rittenbach, director – investor relations, 701-530-1057

Release Summary

MDU Resources Group, Inc. (NYSE:MDU) today announced that it has named Jason L. Vollmer to the position of treasurer and director of Cash and Risk Management, effective Nov. 29.

Contacts

MDU Resources Group, Inc.
Media:
Rick Matteson, director of communications and public affairs, 701-530-1700
or
Laura Lueder, corporate public relations manager, 701-530-1095
or
Financial:
Phyllis Rittenbach, director – investor relations, 701-530-1057