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Nominations and Scheduling

Nominations and Scheduling. Will Schwarzenbach Director, Gas Supply. Questar Gas Company Annual Account Management Customer Meeting. NAESB Scheduling Process. Evening Nominations (Cycle 2) Sent by 5:00 pm to the pipeline by 5:15 pm Confirmations by 8:00 pm Scheduled by 9:00 pm.

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Nominations and Scheduling

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  1. Nominations and Scheduling Will Schwarzenbach Director, Gas Supply Questar Gas Company Annual Account Management Customer Meeting

  2. NAESB Scheduling Process Evening Nominations (Cycle 2) Sent by 5:00 pm to the pipeline by 5:15 pm Confirmations by 8:00 pm Scheduled by 9:00 pm • North American Energy Standards Board (NAESB) • Standard scheduling process used by all pipelines • Communications between shippers and pipelines are done through nominations and confirmations • This process is set up to ensure that all parties receive information at the same time (no market advantage) • As the operator of the interconnecting distribution system Questar Gas is responsible for confirming nominations at its city gates Intraday 1 Nominations (Cycle 3) Sent by 9:00 am to the pipeline by 9:15 am Confirmations by 12:00 pm Scheduled by 1:00 pm Intraday 2 Nominations (Cycle 4) Sent by 4:00 pm to the pipeline by 4:15 pm Confirmations by 7:00 pm Scheduled by 8:00 pm Timely Nominations (Cycle 1) Sent by 10:30 am to the pipeline by 10:45 am Scheduled at 3:30 pm 8:00 am GD2 Gas Flow 8:00 am GD2 Gas Flow 4:00 pm GD2 Gas Flow 8:00 pm GD2 Gas Flow Gas Day 1 Gas Day 2

  3. The Nominations Process prior to July 1, 2014 Transportation Customers Upstream Pipeline Questar Gas System Processing Plants Storage Facilities Sales Customers City Gates to QGC Well Interconnects “City Gate” Pipeline Interconnects Questar Gas System Upstream Pipeline Manual Confirmation Process 500 Dth Customer 1 QGC & TS Customer Contract 1 5,000 Dth Customer 2 1,000 Dth Supplier 1 Upstream Pipeline Shipper Contract QGC & TS Customer Contract 2 Upstream Pipeline Shipper Contract QGC & TS Customer Contract 3 26,000 Dth 5,000 Dth Supplier 2 12,500 Dth Customer 3 QGC & TS Customer Contract 4 Upstream Pipeline Shipper Contract 7,000 Dth Customer 4 QGC & TS Customer Contract 5 20,000 Dth Supplier 3 1,000 Dth Customer 5

  4. Questar Pipeline changed its nominations & confirmations process effective July 1, 2014 • Questar Pipeline began requiring electronic confirmations • Questar Pipeline began contacting shippers in mid 2013 to discuss a process change • Concerns were verified on December 5, 2013 when Questar Pipeline could not schedule reductions in a timely manner • Changes were required by Questar Pipeline to manage scheduling and allocations at the Questar Gas interconnects • With additional cycles likely being required in the future, the time between cycles will be reduced making the manual process even more difficult

  5. Questar Gas – The Operator Questar Gas is responsible for operating the interconnects with all of the upstream pipelines serving the Questar Gas distribution system • Confirm nominations for transportation customers on the Questar Gas distribution system • Responsible for the delivery of supplies that arrive at the Questar Gas city gates for customers that hold transportation on the Questar Gas distribution system

  6. Questar Gas (The Operator) Supports Electronic Confirmations • Improvesreliability on the Questar Gas system • System reliability is dependent on the ability of the operator to effectively manage supply adjustments at the city gates • Timely customer notification of required reductions • Provides the ability to better manage increasing number of Transportation customers’ nominations

  7. Upstream Pipeline Transportation Capacity Transportation Customers Upstream Pipeline Questar Gas System Processing Plants Storage Facilities Sales Customers City Gates to QGC Well Interconnects Pipeline Interconnects Contracted Firm Capacity Available Capacity on the Day (Interruptible or Flexed) Utilized Firm Capacity on the Day (Nominated) Pipeline Capacity

  8. Upstream Pipeline Transportation Capacity Transportation Customers Upstream Pipeline Questar Gas System Processing Plants Storage Facilities Sales Customers City Gates to QGC Well Interconnects “A” “B” “C” “D” Pipeline Interconnects “E” Firm Capacity Released Firm Capacity Priority of Service “Flexed” Firm Capacity – “A” to “B” flexed to “E” Interruptible Capacity

  9. Customer Responsibility • Customers are responsible for working with their Agents to understand the level of service being provided for their gas supply • Firm Transportation on Questar Gas only guarantees delivery of gas that arrives at the Questar Gas city gate

  10. Questions?

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