1 unchanged sentence
The Company has no unresolved comments with the SEC.
−Removed: MDU Resources Group, Inc.
Cybersecurity
19 unchanged sentences
Internal and external auditors assess the Company’s information technology general controls on an annual basis.
+Added: 34 MDU Resources Group, Inc.
Oversee Third-party Risk
15 unchanged sentences
The audit committee of the board of directors of the Company is responsible for oversight of risks from cybersecurity threats.
−Removed: 28 MDU Resources Group, Inc.
Management's Role Managing Risk
10 unchanged sentences
There are processes around access management, data security, encryption, asset management, secure system development, security operations, network and device security to provide safeguards from a cybersecurity incident along with continual monitoring of various threat intelligence feeds.
+Added: MDU Resources Group, Inc.
Cyber Risk Management Personnel
The Company's director of cybersecurity reports to the CIO and the CIO reports directly to the Company's chief executive officer.
−Removed: The Company's CIO who served as the first CIO of the Company since 2016, oversaw the information technology and cybersecurity portfolios until her retirement on January 10, 2025.
−Removed: A new CIO from within the Company was named to succeed the retiring CIO and holds both a bachelor's and master's degree in business administration with over 25 years of information technology experience in the energy and utilities business.
+Added: The Company's CIO holds both a bachelor's and master's degree in business administration with over 25 years of information technology experience in the energy and utilities business.
The director of cybersecurity has a bachelor’s degree in computer information systems, over 25 years of information security experience, and holds certified information systems security professional and certified risk and information systems control certifications.
4 unchanged sentences
The CyROC is chaired by the Company's CIO and is comprised of members such as the chief financial officer, information technology leaders, internal auditors, and other leaders from across the Company.
+Added: The Company’s material properties include electric generating facilities, electric transmission and distribution lines, natural gas transmission and distribution lines, natural gas storage lines and underground natural gas storage fields, which are described in Item 1 - Business under Electric, Natural Gas Distribution and Pipeline.
Compared sentence by sentence after normalising whitespace, quotation marks, case and digits, so re-formatting and restated figures do not read as changed language. Wording changes appear as one removal and one addition. The current filing and the prior one are authoritative.