Montana-Dakota Utilities Co.

Role Description Responsible for placing safety as #1 priority in day-to-day work routine for self and others. - Tax Analyst II: Prepare or assist in filing of federal and state income tax returns, monthly and year-end income tax accruals, tax exhibits for regulatory filings, and related tasks. - Tax Analyst III: Prepare or assist in filing of federal and state tax returns, related monthly and year-end tax accruals, tax exhibits for regulatory filings, and related tasks. Provide guidance, training and review to less experienced tax personnel. - Tax Analyst IV: Research and analyze income tax laws, provide technical assistance on complex income tax accounting issues, prepare or assist in filing of federal and state income tax returns, assist in coordinating income tax audits, tax planning and M&A activities, and related tasks. Provide guidance, training and review to less experienced tax personnel. Qualifications - Tax Analyst II: - Bachelor’s Degree with a major in accounting, finance or related field; - Two years of experience in public utility accounting or appropriate public accounting, taxation field or other related work experience. - Tax Analyst III: - Bachelor's Degree with a major in accounting, finance or related field; - Four years of experience in public utility accounting or appropriate public accounting, taxation field. - Tax Analyst IV: - Bachelor's Degree with a major in accounting, finance or related field; - Six years of experience in public utility accounting, or appropriate public accounting, taxation field. Requirements - CPA or professional certification desired. - Must take all measures necessary to protect networks, devices, programs and data from cyber-attack, damage or unauthorized access. - May be required to maintain a valid driver’s license. - Must be legally authorized to work in the United States, no sponsorships considered. - Subject to pre-employment drug testing and background checks. - This position is located in Bismarck, ND but may consider a remote location in the United States where MDU Resources is authorized to do business. - Remote candidates may be required to travel to the Corporate Headquarters based on department needs. Job Responsibilities - Analyze and develop spreadsheets enhancements for all tax returns and supporting schedules, and all tax accruals and related workpapers. - Actively participate in the review of tax department policies and tax procedures to ensure compliance with company policies and GAAP and SOX internal controls. - Research and answer tax-related questions from internal customers. - Assist in the preparation and filing of the consolidated federal and multistate income tax returns for MDU Resources and its subsidiaries. - Assist in the calculation of quarterly income tax estimates in accordance with IRS guidance. - Performs other tasks and special projects as assigned. - Additional to above, the Tax Analyst III: - Provide regular guidance, training and review of tax work of less experienced analysts. - Respond to various tax notices. - Proactively identify, drive, and implement process improvements that promote risk management, streamline activities, and enhance transparency in tax work streams. - Additional to above, the Tax Analyst IV: - Research, analyze and evaluate tax laws, regulations, rulings and court decisions as required relating to all tax matters with respect to MDU Resources and its subsidiaries and recommend procedures to minimize corporate taxes consistent with lawful compliance. - Coordinate audits by federal, state and local tax authorities and provide periodic progress reports to management. - Assist the Regulatory Affairs Department preparing rate case filings with the preparation of tax rate case schedules and responses to tax data requests. - Provide tax support to all operating companies of MDU. Deadline to Apply July 28, 2026 @ 11:00 AM CST To view our comprehensive and competitive benefits package, click here . Energizing Lives for a Better Tomorrow

Role Description Compile data and complete analysis for all aspects of natural gas pipeline, utility, gas, and electric regulatory functions, in accordance with federal and state regulations. Prepare and present information with minimal direction for internal decision making and filings with the Federal Energy Regulatory Commission (FERC) and State Regulatory Commissions (collectively, Commissions). Responsible for placing safety as #1 priority in day-to-day work routine for self and others. Cascade Natural Gas Corporation is seeking a detail-oriented professional who excels in clear, effective writing and can confidently work through complex materials. This role involves: - Reviewing and interpreting technical information. - Ensuring practices follow regulatory requirements. - Helping manage the documents and rules that guide how we serve customers. The ideal candidate is organized, thoughtful, and able to turn complicated topics into accurate, easy-to-understand information. This position can be located in Boise, ID or Kennewick, WA. Remote work within the MDU Utilities Group service territories may be considered. Qualifications - Level I: ($57,110 - $71,390) - Must possess a working knowledge of business principles and theory at a level normally acquired through the completion of a Bachelor’s degree in accounting, finance, economics, business, engineering, or related field. - Level II: ($63,860 - $79,830) - Degree requirements of Level I, and; Two years’ experience as a Regulatory Analyst I or equivalent experience in rates and regulations of public utility or natural gas pipeline industry or related field. - Level III: ($73,460 - $91,830) - Degree requirements of Level I, and; Four years’ experience as a Regulatory Analyst I or equivalent experience in rates and regulations of public utility or natural gas pipeline industry or related field. - Level IV: ($84,460 - $105,570) - Degree requirements of Level I, and; Six years’ experience as a Regulatory Analyst I or equivalent experience in rates and regulations of public utility or natural gas pipeline industry or related field. Requirements - Must take all measures necessary to protect networks, devices, programs and data from cyber-attack, damage or unauthorized access. - Must be legally authorized to work in the United States, no sponsorships considered. - Subject to pre-employment drug testing and background checks. - May be required to maintain a valid driver’s license. Preferred Qualifications - Paralegal experience. - Natural gas industry experience. - Experience with energy economics, conservation and energy efficiency methods/programs, and economic regulation of public natural gas utilities. Job Responsibilities - Conducts research and analysis for a broad range of projects. - Gathers, validates and enters data and runs reports on various computer systems. - Using independent judgment prepares regulatory filings, letters, reports, spreadsheets and other material. - Assists with the preparation of rate case components which may include revenue requirement, weather normalization, cost of service data and marginal and embedded class cost of service studies, and rate design for internal use and for filing with the Federal Energy Regulatory Commission (FERC) and various state regulatory commissions (collectively, Commissions). - Analyze and interpret company financial and statistical data used in all studies. - Assists in the development of rate strategies and the design that will optimize company profitability. - Performs other tasks and special projects as assigned. Application Deadline June 30th, 2026 @ 11am CST To view our comprehensive and competitive benefits package, click here . Energizing Lives for a Better Tomorrow

Role Description Compile data and complete analysis for all aspects of natural gas pipeline, utility, gas, and electric regulatory functions, in accordance with federal and state regulations. Prepare and present information with minimal direction for internal decision making and filings with the Federal Energy Regulatory Commission (FERC) and State Regulatory Commissions (collectively, Commissions). Responsible for placing safety as #1 priority in day-to-day work routine for self and others. Energize your career and join Intermountain Gas Company as an Accounting Regulatory Analyst! The Regulatory team works with internal and external stakeholders to develop collaborative solutions for our business and ensures regulatory compliance for our operations. We are looking for an analytical individual to analyze and compile data for regulatory filings and internal reporting. You will also be responsible for: - Creating, updating, and maintaining tariffs filed with the public utilities commission. - Developing consensus with internal and external stakeholder groups. - Researching and developing innovative ratemaking solutions. This position can be located in Boise, ID or Kennewick, WA. Remote work within the MDU Utilities Group service territories may be considered. Qualifications - Level I: ($57,110 - $71,390) - Must possess a working knowledge of business principles and theory at a level normally acquired through the completion of a Bachelor’s degree in accounting, finance, economics, business, engineering, or related field. - Level II: ($63,860 - $79,830) - Must possess a working knowledge of business principles and theory at a level normally acquired through the completion of a Bachelor’s degree in accounting, finance, economics, business, engineering, or related field. Two years’ experience as a Regulatory Analyst I or equivalent experience in rates and regulations of public utility or natural gas pipeline industry or related field. - Level III: ($73,460 - $91,830) - Must possess a working knowledge of business principles and theory at a level normally acquired through the completion of a Bachelor’s degree in accounting, finance, economics, business, engineering, or related field. Four years regulatory or related experience. - Level IV: ($84,460 - $105,570) - Must possess a working knowledge of business principles and theory at a level normally acquired through the completion of a Bachelor’s degree in accounting, finance, economics, business, engineering, or related field. Six years’ experience in accounting, finance/business, or engineering with at least five years regulatory related. Requirements - Must take all measures necessary to protect networks, devices, programs and data from cyber-attack, damage or unauthorized access. - Must be legally authorized to work in the United States, no sponsorships considered. - Subject to pre-employment drug testing and background checks. - May be required to maintain a valid driver’s license. Preferred Qualifications - CPA or MBA with a degree in accounting, economics, finance, engineering, or related field. - Prior analytical or accounting experience. - Experience with energy economics, conservation and energy efficiency programs, or economic regulation of public utilities. Job Responsibilities - Prepares rate case components which may include revenue requirement, weather normalization, cost of service data and marginal and embedded class cost of service studies, and rate design for internal use and for filing with the Federal Energy Regulatory Commission (FERC) and various state regulatory commissions (collectively, Commissions). - Analyze and interpret company financial and statistical data used in all studies. - Develops, analyzes and researches rate policies, including new innovative scenarios. - Assists in the development of rate strategies and the design that will optimize company profitability. - Assists with the preparation and presentation of expert testimony before the Commissions and legislative bodies. - Prepares responses to data requests related to all filings before Commission(s). Coordinates data request response filings. - Researches and communicates the proper interpretation of rates, rules, and terms and conditions of service to company personnel including written and verbal communications. - Performs other tasks and special projects as assigned. Application Deadline: June 30th, 2026 @ 11am CST To view our comprehensive and competitive benefits package, click here . Energizing Lives for a Better Tomorrow

Role Description Responsible for placing safety as #1 priority in day-to-day work routine for self and others. Assists in the operation, coordination and delivery of the company’s energy efficiency program through the effective coordination of program implementation processes. Involves research, analysis, and compilation of data necessary to facilitate the rebate fulfillment process and to identify opportunities for increased customer participation and interest in company programs. Responsible for assuring the accuracy and completeness of the records and reports for the energy efficiency program. Preferred location for this position within Washington state. Remote work may be available if candidate resides within the CNG service territory. Qualifications - Energy Efficiency Analyst I ($57,110 - $71,390): - Must possess a working knowledge of business principles and theory at a level normally acquired through the completion of a four-year degree in accounting, business, finance, economics, building science, engineering, or related field. - Energy Efficiency Analyst II ($73,460 - $91,830): - Must possess a working knowledge of business principles and theory at a level normally acquired through the completion of a four-year degree in accounting, business, finance, economics, building science, engineering, or related field; - Two years related experience. - Energy Efficiency Analyst III ($73,460 - $91,830): - Must possess a working knowledge of business principles and theory normally acquired through a bachelor’s degree in accounting, finance, economics, business, engineering or a related field; - Three years related experience, with increasing responsibilities. - Energy Efficiency Analyst, Sr. ($84,460 - $105,570): - Must possess a working knowledge of business principles and theory normally acquired through a Bachelor’s degree in accounting, finance, economics, business, building science, engineering or a related field; - Five years related experience, with increasing responsibilities. Requirements - Must take all measures necessary to protect networks, devices, programs and data from cyber-attack, damage or unauthorized access. - Required to maintain a valid driver’s license. - Subject to the Company's substance abuse testing program. - Must be legally authorized to work in the United States, no sponsorships considered. - Requires travel: Moderate (up to 25%). Preferred Qualifications - Energy Efficiency Analyst all levels: - Bi-lingual in Spanish. - Reside within a Cascade Natural Gas service territory. - Utility and/or energy-efficiency program experience. - In addition, Energy Efficiency Analyst II: - Prior experience with public speaking. - Prior experience conducting education and outreach campaigns. - Energy Efficiency Analyst III: - Broad knowledge of marketing principles and developing media campaigns. - In addition, Energy Efficiency Analyst, Sr.: - Knowledge and/or experience in process improvement and system efficiency. - Knowledge and/or experience in vendor bid/proposal/selection process and contract management. - Broad knowledge of the Energy Efficiency program life cycle of planning, implementation, and evaluation. Job Responsibilities - Assist in the operation, coordination and delivery of the company’s energy efficiency programs, and the development of program pilots, demonstration projects, and new initiatives. - Review, analyze, identify, and confirm energy efficiency and/or demand response programs program eligibility in accordance with applicable tariffs, contracts, rules, and regulations. - Ensure customer rebate applications are processed in accordance with program rules and regulations and maintains rebate activity and status reports. - Coordinate and maintain the records management function as it relates to programs. - Conduct monthly reconciliation of Program expenses for accuracy and reporting. - Coordinate with other departments (payroll, accounting, accounts payable, HR) to resolve any errors or corrections. - Performs other tasks and special projects as assigned. Application Deadline: May 26, 2026 To view our comprehensive and competitive benefits package, click here .