MDU Resources Group, Inc. (NYSE:MDU) Q1 2023 Earnings Conference Call May 4, 2023 2:00 PM ET Company Participants Jason Vollmer - Vice President and Chief Financial Officer Dave Goodin - President and Chief Executive Officer Stephanie Barth - Vice President, Chief Accounting Officer and Controller Brian Gray - President and Chief Executive Officer, Knife River Corporation Jeff Thiede - President and Chief Executive Officer, MDU Construction Services Group Trevor Hastings - President and Chief Executive Offi ...