1. Regulatory Update Questar Gas Company Annual Account Management Customer Meeting Barrie L McKay September 16, 2014

2. General Rate Case Outcome Summary Changes to interruptible requirements Changes to commodity price for Interruptible Sales customers Transportation rates move towards full cost- of-service

3. Changes to Interruptible Requirements Rate case proposal –Annual testing –Failure to interrupt charge Rate case resolution –No testing –$40 penalty for each Dth that isn’t interrupted –If customer fails to interrupt then customer will be moved from interruptible rate schedule to a firm schedule for three years for those interruptible volumes it failed to interrupt –Each year interruptible customer will warrant that it has backup equipment and that they understand financial penalties.

4. Changes to Commodity Rate for Interruptible Sales Customers Currently first of month market price is used Effective November 1 st Questar’s weighted average cost of gas will be used Studying this rate class in future proceedings

5. Transportation Rates Move Towards Full Cost of Service Cost to serve TS class in last rate case was $14.7 million annually Rates designed to collect $12.8 million annually Fall of 2015 rates will be adjusted to collect $13.3 million annually Fall 2015 Increases Increase 0 – 200 DTH$0.02955 201 – 2,000 DTH$0.01932 2,001 – 100,000 DTH$0.00790 OVER 100,000 DTH$0.00292 Annual Demand Charge$1.04 In the next general rate case, rates will be designed to collect the full cost of service.

6. Nominations Storage Agent Factory Nomination Usage Over 5% Variance 87% of time No Notice Service

7. Questions? 7