---
schema_version: "secwatch.filing_event.v1"
accession: "0000067716-23-000063"
form_type: "8-K"
ticker: "MDU"
cik: "0000067716"
company_name: "MDU RESOURCES GROUP INC"
filed_at: "2023-05-04T23:59:59+00:00"
generated_at: "2026-06-15T23:24:12.044839+00:00"
event_type: "other_material"
sentiment: "positive"
materiality_score: 0.85
calibrated_materiality_score: 0.85
confidence: "high"
source: SEC EDGAR
---

# MDU Resources Q1 adjusted EPS $0.23, up YoY; board approves Knife River spin-off

## Summary
- Q1 GAAP net income $38.3M ($0.19/share); adjusted net income $46.6M ($0.23/share) vs. $31.7M ($0.16) in Q1 2022.
- Board approved pro rata distribution of Knife River Holding Co. on May 31 to holders of record May 22.
- Investor Day for Knife River planned for May 18 at the New York Stock Exchange.
- Strategic review of MDU Construction Services Group expected to conclude in Q2 2023.
- Adjusted earnings exclude costs related to Knife River separation and construction services review.

## SEC filing metadata
- accession: 0000067716-23-000063
- form_type: 8-K
- ticker: MDU
- cik: 0000067716
- company_name: MDU RESOURCES GROUP INC
- filed_at: 2023-05-04T23:59:59+00:00
- event_type: other_material
- sentiment: positive
- materiality_score: 0.85
- calibrated_materiality_score: 0.85
- confidence: high
- sec_items: 2.02, 7.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/67716/000006771623000063/0000067716-23-000063-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/67716/000006771623000063/mdu-20230504.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0000067716-23-000063
- JSON: https://secwatch.observer/filing/0000067716-23-000063.json
- Plain text: https://secwatch.observer/filing/0000067716-23-000063.txt

## Key facts
- Earnings Releases
  MDU RESOURCES GROUP INC reported first quarter results: net income $38.3 million, EPS 19 cents per share.
  - Period: first quarter
  - Net income: $38.3 million
  - EPS: 19 cents per share
  - Result: reported results
  source text: MDU Resources Group, Inc. (NYSE: MDU) today reported first quarter earnings on a generally accepted accounting principles (GAAP) basis of $38.3 million, or 19 cents per share, with adjusted earnings of $46.6 million, or 23 cents per share, compared to first quarter 2022 GAAP earnings of $31.7 million, or 16 cents per share.
  evidence_url: https://www.sec.gov/Archives/edgar/data/67716/000006771623000063/0000067716-23-000063-index.htm

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.