The following job levels build upon each other with scope and responsibility increasing with each level.

Requirements for all employees include:

• Maintains confidentiality for all matters regarding highly sensitive corporate and outside party information gathered and used in the normal performance of the settlements function.

• Understands and observes the Federal Energy Regulatory Commission's Code of Conduct as it applies to the positions.

• These positions may provide services to affiliates of the Company subject to the UNS Energy Code of Conduct and the related Policies and Procedures.

Rates Administration Analyst I:

• Ensures compliance with terms and conditions of contracts and tariffs in accounting and billing.

• Under direct supervision, conducts research and analysis.

• Assists with preparation of compliance reports and other projects.

• Takes initiative to grow in functional knowledge.

• Collects market data for reporting

Rates Administration Analyst II:

• Performs Accounting functions including journal entry preparation.

• Identifies and suggests process improvement changes in the use of IT systems and work processes in the Rates Administration group.

• Develops an understanding of the rules and regulations for ACC, FERC, DOE, and SEC.

• Evaluates new rules and regulations affecting energy transactions and participates in their implementation.

• Oversees a small project or phase(s) of a larger project.

• Takes initiative to add to body of functional knowledge and demonstrate proficiency in subject matter.

• Ensures all payments made in timely manner; tracks outstanding receivables

• Collects and analyzes market data for reporting

Senior Rates Administration Analyst:

• Strong analytical skills. Has primary responsibility for complex research, analysis, and compliance.

• Ability to research, draw conclusions and make recommendations.

• Curiosity and desire to understand a process and how it relates to other processes.

• Readily communicates the status of specific projects, programs, or on-going work; exhibits judgment to elevate at the right time.

• Performs complex and varied accounting functions including preparation and/or review of journal entries, GAAP research, preparation or review of financial data used by other departments, and analysis of financial results associated with Rates Administration activities.

• Possesses a thorough understanding of the rules and regulations for ACC, FERC, DOE, and SEC.

• Prepares or reviews financial and operational reports required by the FERC, DOE, ACC, or other regulatory agencies.

• Provides research and analysis related to the feasibility and cost/benefit of different contracts and strategies in support of Pricing and Retail Marketing issues.

• Interacts with departments throughout the organization on billing and accounting issues and reporting related to market transactions.

• Assists with implementation of improvements or modifications to Rates Administration systems and procedures.

• Oversees multiple projects, some ongoing, and can deliver projects to successful completion with minimal guidance.

• Understands business drivers and can deliver solutions which accurately and effectively meet business needs.

• Identifies and communicates barriers to timely and successful completion of work assigned and suggests possible solutions.

• Identifies process improvements and recommends practices which improve effectiveness.

• Takes ownership of data and can identify, draft, and implement validation methodology to ensure that data is accurate on a global basis.

• Coordinates and expedites resolution to problems which occur with respect to a wide variety of matters necessary for the professional, effective, and economical completion of the job.

• Has a high degree of breadth and depth of functional knowledge.

• Consistently delivers work without errors.

• Is self-directed and needs minimal supervision.

• Exhibits leadership qualities.

• Ensures market sub-allocations are correctly billed to customers

• Collects, analyzes and interprets market data to create reports

• Files and tracks billing disputes with customers and market portals