As Of	Filer	Filing¹	For·On·As	Docs:Size	Issuer		Filing Agent

11/17/23  Wang Chenxi                       4          Director²   1:4K   MDU Resources Group, Inc.         CT’s hCue/FA             
11/22/22  Wang Chenxi                       4          Director²   1:4K   MDU Resources Group, Inc.         CT’s hCue/FA             
11/17/21  Wang Chenxi                       4          Director²   1:4K   MDU Resources Group, Inc.         CT’s hCue/FA             
11/18/20  Wang Chenxi                       4          Director²   1:4K   MDU Resources Group, Inc.         CT’s hCue/FA             
11/20/19  Wang Chenxi                       4          Director²   1:4K   MDU Resources Group, Inc.         CT’s hCue/FA             
  5/8/19  Wang Chenxi                       3          Director²   1:3K   MDU Resources Group, Inc.         Computershare Inc.       

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¹	Filing/Form Types:
	3	Initial Statement of Beneficial Ownership of Securities by an Insider — Form 3 { The Filer is an Insider² of the Issuer }.
	4	Statement of Changes in Beneficial Ownership of Securities by an Insider — Form 4 { The Filer is an Insider² of the Issuer }.
²	Insider:  The Filer is a Director, Officer, 10% Owner and/or Other “insider” of the Issuer.