---
schema_version: "secwatch.filing_event.v1"
accession: "0000067716-23-000091"
form_type: "8-K"
ticker: "MDU"
cik: "0000067716"
company_name: "MDU RESOURCES GROUP INC"
filed_at: "2023-08-03T23:59:59+00:00"
generated_at: "2026-06-12T09:55:06.724090+00:00"
event_type: "earnings"
sentiment: "positive"
materiality_score: 0.8
calibrated_materiality_score: 0.8
confidence: "medium"
source: SEC EDGAR
---

# MDU Resources Q2 GAAP EPS $0.64 vs $0.35 YoY; raises guidance

## Summary
- Q2 2023 GAAP net income $130.7M ($0.64 EPS) versus $70.7M ($0.35 EPS) in Q2 2022.
- Q2 adjusted income from continuing ops $60.0M ($0.29 EPS) versus $36.1M ($0.18 EPS) year ago.
- Completed spinoff of approximately 90% of Knife River Corporation shares on May 31, 2023.
- First-half 2023 GAAP net income $169.0M ($0.83 EPS) versus $102.4M ($0.50 EPS) in same period 2022.

## SEC filing metadata
- accession: 0000067716-23-000091
- form_type: 8-K
- ticker: MDU
- cik: 0000067716
- company_name: MDU RESOURCES GROUP INC
- filed_at: 2023-08-03T23:59:59+00:00
- event_type: earnings
- sentiment: positive
- materiality_score: 0.8
- calibrated_materiality_score: 0.8
- confidence: medium
- sec_items: 2.02, 7.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/67716/000006771623000091/0000067716-23-000091-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/67716/000006771623000091/mdu-20230803.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0000067716-23-000091
- JSON: https://secwatch.observer/filing/0000067716-23-000091.json
- Plain text: https://secwatch.observer/filing/0000067716-23-000091.txt

## Key facts
- Earnings Releases
  MDU RESOURCES GROUP INC reported Second Quarter 2023 results: net income $130.7 million, EPS 64 cents per share. Guidance raised.
  - Period: Second Quarter 2023
  - Net income: $130.7 million
  - EPS: 64 cents per share
  - Guidance: raised
  - Result: reported results
  source text: MDU Resources Reports Higher Second Quarter Earnings, Increases Guidance BISMARCK, N.D. — Aug. 3, 2023 — MDU Resources Group, Inc. (NYSE: MDU) today reported second quarter earnings on a generally accepted accounting principles (GAAP) basis of $130.7 million, or 64 cents per share, compared to second quarter 2022 GAAP earnings of $70.7 million, or 35 cents per share.
  evidence_url: https://www.sec.gov/Archives/edgar/data/67716/000006771623000091/0000067716-23-000091-index.htm

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