EPNG NAS Simplification Conference Call Working Document System Enhancement Items as of April 13, 2009 EPNG NAS Simplification Items (Customer Priority) Business Requirements StatusDevelopment Status 1 Estimated Time 2 Estimated Target Change to Screens to Net FDD Quantities Customer feedback gathered, business requirements in analysis Development begins 06/093 MonthsQ Overrun Alert MessageCustomer feedback gathered, business requirements in analysis Development begins 06/093 MonthsQ Scheduling Reports EnhancementsCustomer feedback gathered, business requirements in analysis Development begins 06/095 MonthsQ Combine pooler buy/sell formRequirements analysis will begin 12/09 Development begins 12/096 MonthsQ Change default date for copy feature in passport Requirements completeDevelopment begins 10/092 MonthsQ Auto-Download VISA dataRequirements analysis will begin 06/09 Development begins 08/094 MonthsQ Create a link from NAS Imbalance Management to Flowing Gas screen Requirements analysis will begin 12/09 Development begins 12/095 MonthsQ Enhanced DRN Cross Reference Table query (search within a string) Requirements completeDevelopment begins 05/101 MonthQ There may be development on lower ranked items that will begin earlier than other higher ranked items. This is due to the availability of the developer resource needed for the specific item. 2 - These time estimates are the estimated actual time from start of Development to Completion. They take into account programming and testing resource availability as well as company holiday and vacation times of resources.

Status of EPNG NAS Simplification Enhanced EBB Project The enhanced EBB Project will be broken down into four phases: – Phase 1 : Implemented early June 2009 This will include: the new color scheme and logos, tree menu, Standards of conduct, SOC/COC notice subscription, operational flow data, contract authorization forms, and FERC filings. Phase 1 will also include a new grid on the following pages: Operationally available capacity, Tariff reference for gas quality, Index of Customers, and Notices. – The new grid will allow users to control the page size, filter and sort options, and the ability to pin columns in order to view the data which is most useful to you. Two additional enhancements within phase 1 will include the ability to query for historical data and a streamlined download process. – The improved download process will allow users to select which download format best fits their needs; Excel, HTML, or PDF. – Phase 2: Implemented August 2009 This will include enhancements to: EPNG Tariffs, searching the EPNG Tariffs, NNT Flow Data, Location information, and Transactional reports (Firm, Interruptible, Released Capacity). – Phase 3: Implemented October 2009 Phase 3 will update: Unsubscribed Capacity, Capacity from pipelines, Capacity from expired contracts, Gas quality data, Cashout prices, and OPAS – Phase 4: Implemented November 2009 This will include: A capacity allocation log, Annual notices, and Informational lookup enhancements. As the EBB is being enhanced, all links to other pages within the EBB will continue to function as normal until their respected enhancement phase.

Completed EPNG NAS Simplification Items Original Target Last Updated Target Completed DateComments Future Day TransactionsQ4 2007Q /1/2009See EPNG Notice # Automatic HEEN Feature Q /1/20089/30/2008See EPNG Notice #7276, #7288 Add a new contractual entitlement report (One report of Scheduling Report Enhancements) Q TBD8/11/2008 See EPNG Notice #7126 Nomination Quantity Shown at all times Q /2008 7/30/2008See EPNG Notice #7048 Apply all Confirmation Changes in Run 2 (Perform Capacity Allocation based on Nominations only) /20087/23/2008See EPNG Notice #6987, #6995, #7013, #7036 EPSQ on Nomination Screen Q /2008 6/19/2008See EPNG Notice #6955 Mojave Park and Loan N/A 3/1/2008See Mojave Notice #454 Update to Walk the Pipe Model Q /29/2008See EPNG Notice #6694 SOC/COC Graph and Probability Posting Q /27/2007See EPNG Notices #6222, #6431, #6456 Keystone Shutdown – Delineating Keystone and Waha Entitlements N/A 9/27/2007See EPNG Notice #6334 EPNG NAS Simplification Items Completed During Last 15 Months