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Mdu Resources Group Inc – ‘10-K’ for 12/31/05 – EX-31.B

On:  Wednesday, 2/22/06, at 1:40pm ET   ·   For:  12/31/05   ·   Accession #:  67716-6-58   ·   File #:  1-03480

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  As Of                Filer                Filing    For·On·As Docs:Size

 2/22/06  Mdu Resources Group Inc           10-K       12/31/05   14:4.7M

Annual Report   —   Form 10-K
Filing Table of Contents

Document/Exhibit                   Description                      Pages   Size 

 1: 10-K        Mdu Resources Group, Inc. 2005 10-K                 HTML   2.19M 
 2: EX-10.AE    Mdu Resources 1997 Executive Long-Term Incentive    HTML     92K 
                          Plan                                                   
 3: EX-10.AF    Mdu Resources Executive Incentive Compensation      HTML     30K 
                          Plan                                                   
 4: EX-10.AG    Montana-Dakota Executive Incentive Compensation     HTML     29K 
                          Plan                                                   
 5: EX-10.AH    Retirement Agreement for Warren L. Robinson         HTML     41K 
 6: EX-10.AI    Steven L. Bietz Change of Control Employment        HTML     82K 
                          Agreement                                              
 7: EX-10.AJ    Nicole A. Kivisto Change of Control Employement     HTML     82K 
                          Agreement                                              
 8: EX-10.AK    Doran N. Schwartz Change of Control Employement     HTML     82K 
                          Agreement                                              
 9: EX-12       Mdu Resources Ratio of Earnings to Charges &        HTML     53K 
                          Dividends                                              
10: EX-21       Subsidiaries of Mdu Resources Group, Inc.           HTML     33K 
11: EX-23       Consent of Independent Registered Public            HTML     11K 
                          Accounting Firm                                        
12: EX-31.A     CEO Certification to Section 302                    HTML     15K 
13: EX-31.B     CFO Certification to Section 302                    HTML     16K 
14: EX-32       CEO & CFO Certification to Section 906              HTML     13K 


EX-31.B   —   CFO Certification to Section 302


This exhibit is an HTML Document rendered as filed.  [ Alternative Formats ]



  CFO Certification to Section 302  

CERTIFICATION

I, Vernon A. Raile, certify that:

 
1.
I have reviewed this annual report on Form 10-K of MDU Resources Group, Inc.;

 
2.
Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;

 
3.
Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financial condition, results of operations and cash flows of the registrant as of, and for, the periods presented in this report;

 
4.
The registrant's other certifying officer and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for the registrant and have:
 
         (a) Designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this report is being prepared;
 
        (b) Designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles;
 
        (c) Evaluated the effectiveness of the registrant's disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and
 
        (d) Disclosed in this report any change in the registrant's internal control over financial reporting that occurred during the registrant's most recent fiscal quarter (the registrant's fourth fiscal quarter in the case of an annual report) that has materially affected, or is reasonably likely to materially affect, the registrant's internal control over financial reporting; and

 
5.
The registrant's other certifying officer and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the registrant's auditors and the audit committee of the registrant's board of directors (or persons performing the equivalent functions):
 
        (a) All significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the registrant's ability to record, process, summarize and report financial information; and
 
        (b) Any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant's internal control over financial reporting.      

Date: February 22, 2006

/s/ Vernon A. Raile 
Vernon A. Raile
Executive Vice President
and Chief Financial Officer


Dates Referenced Herein   and   Documents Incorporated by Reference

This ‘10-K’ Filing    Date    Other Filings
Filed on:2/22/064
For Period End:12/31/0511-K,  5
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Filing Submission 0000067716-06-000058   –   Alternative Formats (Word / Rich Text, HTML, Plain Text, et al.)

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