MDU RESOURCES GROUP INC

For the period ended Sep 30, 2026. Filed Nov 6, 2026.

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A company's report for each of its first three quarters. The financial statements are not audited. It shows how the business has moved since the last annual report, and what management says changed.

Sep 30, 2026 · Filed Nov 6, 2026

MDU$19.28+0.2%Stored close · as of Nov 10, 2026

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Contents

. Receivables and allowance for expected credit losses

Note 5 -Receivables and allowance for expected credit losses

Receivables consist primarily of trade receivables from the sale of goods and services net of expected credit losses. The Company's trade receivables are all due in 12 months or less.

The Company's expected credit losses are determined through a review using historical credit loss experience, changes in asset specific characteristics, current conditions and reasonable and supportable future forecasts, among other specific account data, and is performed at least quarterly. The Company develops and documents its methodology to determine its allowance for expected credit losses at each of its reportable business segments. Risk characteristics used by the business segments may include customer mix, knowledge of customers and general economic conditions of the various local economies, among others. Specific account balances are written off when management determines the amounts to be uncollectible. Management has reviewed the balance reserved through the allowance for expected credit losses and believes it is reasonable.

Details of the Company's expected credit losses were as follows:

	Electric	Natural gasdistribution	Pipeline	Total
(In thousands)
At December 31, 2025	$506	$1,443	$—	$1,949
Current expected credit loss provision	952	1,670	—	2,622
Less write-offs charged against the allowance	1,066	1,098	—	2,164
Credit loss recoveries collected	188	272	—	460
At March 31, 2026	$580	$2,287	$—	$2,867
Current expected credit loss provision	269	219	—	488
Less write-offs charged against the allowance	368	1,013	—	1,381
Credit loss recoveries collected	88	167	—	255
At June 30, 2026	$569	$1,660	$—	$2,229
Current expected credit loss provision	492	759	—	1,251
Less write-offs charged against the allowance	544	1,620	—	2,164
Credit loss recoveries collected	80	205	—	285
At September 30, 2026	$597	$1,004	$—	$1,601

Index

	Electric	Natural gasdistribution	Pipeline	Total
(In thousands)
At December 31, 2024	$473	$1,366	$—	$1,839
Current expected credit loss provision	939	2,213	—	3,152
Less write-offs charged against the allowance	1,036	1,269	—	2,305
Credit loss recoveries collected	166	252	—	418
At March 31, 2025	$542	$2,562	$—	$3,104
Current expected credit loss provision	178	(151)	—	27
Less write-offs charged against the allowance	333	1,002	—	1,335
Credit loss recoveries collected	74	165	—	239
At June 30, 2025	$461	$1,574	$—	$2,035
Current expected credit loss provision	646	1,579	—	2,225
Less write-offs charged against the allowance	688	2,454	—	3,142
Credit loss recoveries collected	76	220	—	296
At September 30, 2025	$495	$919	$—	$1,414

ContentsView on SEC.gov

The text of this filing, as the company filed it with the SEC, without its images or exhibits. This is not investment advice.