1. Delaware County Cooperative Extension May 17, 2012 Constitution Pipeline Project C onstitution Pipeline Company, LLC

2. Introduction Joint Venture between Williams Partners L.P. and Cabot Pipeline Holdings LLC. Williams Partners owns 75% of Constitution and Cabot owns the remaining 25%. Shippers on the Constitution Pipeline are Cabot and Southwestern Energy. Williams Partners will provide regulatory, permitting, land acquisition, engineering, construction, operation and maintenance services for the pipeline. Williams Partners operates the Transco Pipeline that serves markets along the Eastern Seaboard. Project provides opportunity to deliver new gas supply (650,000 dekatherms / day) to Northeast markets through new interconnects with existing Iroquois Gas Transmission and Tennessee Gas Pipeline systems. Target in-service date – March 2015 2 May 17, 2012 |

3. Project Overview & Facilities Approximately 121 miles of new 30-inch, 1480 psig rated pipeline ◦ Starts at Williams Field Services Company, LLC’s planned “Central Station” in Susquehanna County, PA ◦ Interconnections with Iroquois Gas Transmission and Tennessee Gas Pipeline; both located in Schoharie County, NY ◦ Appurtenant aboveground facilities including block valves, pigging facilities, communication facilities, etc. New 32,000 horsepower (ISO) gas turbine-driven compressor station located in Schoharie County, NY Two receipt metering stations in Susquehanna County, PA and two delivery metering stations in Schoharie County, NY 3 May 17, 2012 |

4. Project Overview & Facilities 4 SUMMARY OF CONSTITUTION PROJECT Facility TypeLength (Miles)CountyState Pipeline Facilities 30-inch diameter natural gas pipeline 22.7SusquehannaPA 15.2BroomeNY 8.7ChenangoNY 43.3DelawareNY 30.7SchoharieNY Total 120.6 (97.9 in NYS) -- Aboveground Facilities Compressor Station32,000 hpSchoharieNY Meter StationNot ApplicableSusquehannaPA Meter StationNot ApplicableSusquehannaPA Meter StationNot ApplicableSchoharieNY Meter StationNot ApplicableSchoharieNY May 17, 2012 |

5. Overview Map 5 May 17, 2012 |

6. Project Schedule ◦ Commence FERC Pre-File ProcessApril 16, 2012 ◦ Submit Draft Resource Reports 1 and 10May 21, 2012 ◦ Commence field surveys June 2012 ◦ Community Open HousesMid-July 2012 ◦ Submit Air Permit Application to NYSDECAugust 2012 ◦ Submit Draft FERC Environmental ReportOctober 2012 ◦ Submit Final FERC 7(c) ApplicationJanuary 2013 ◦ Submit Other State & Federal Permit ApplicationsJanuary 2013 ◦ Target for FERC Third-Party Prepared Draft EISJune 2013 ◦ Target for FERC Final EISSeptember 2013 ◦ Target for FERC OrderNovember 2013 ◦ Target for decisions on State & Federal PermitsDecember 2013 ◦ Target for decision on NYSDEC Air PermitJanuary 2014 ◦ Commence Tree ClearingJanuary 2014 ◦ Begin Pipeline ConstructionApril 2014 ◦ Project In-Service March 2015 6 Project Schedule May 17, 2012 |

7. Agricultural Measures Will employ qualified agricultural and soil conservation Specialists/Inspectors; Will identify types of agricultural land and facilities; Depth of cover (agricultural standard of 48 inches); Minimize impacts to active agricultural land from above ground facilities; The construction work space across agricultural land will be 125 feet; 7 May 17, 2012 |

8. Agricultural Measures Subsurface intercept drains will be used to control soil saturation and/or aid trench breakers; Work with landowners to identify location of drain tiles, irrigation systems, potable wells, springs and other similar features early in the process; Identify active Sugar Bush production areas; The open trench will be fenced and temporary livestock and farm equipment crossings (or trench plugs) will be provided where requested and/or needed by the farm owner/operator. 8 May 17, 2012 |

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10. Federal Energy Regulatory Commission (FERC) Website: www.ferc.govwww.ferc.gov Docket No PF 12-9 Constitution Pipeline Toll-free Hotline: ◦ 866-455-9103 10 May 17, 2012 |

11. Anticipated Permits / Approvals 11 Permit / ApprovalIssuing Authority / AgencyComments Air Permit (Compressor Station) New York State Department of Environmental Conservation Independent timeline to meet information gathering requirements Joint Permit Protection of Waters Freshwater Wetlands 401 Water Quality Certificate New York State Department of Environmental Conservation Individual 404 Permit from USACE Temporary Revocable Permit (Non-Routine) New York State Department of Environmental Conservation Office of Natural Resources State land crossings State Environmental Quality Review Act (SEQRA) New York State Department of Environmental Conservation Type II – Subject to FERC NEPA Review (Third-Party EIS) SPDES General Permit Stormwater Discharges from Construction Activity (GP-0-10-001) New York State Department of Environmental Conservation SPDES Discharge Permit (Hydrostatic Test Water Discharge) New York State Department of Environmental Conservation Water Resources Permit NYSDEC Division of Water Bureau of Water Resources Management Water Withdrawal Reporting Form NYSDEC Division of Water Bureau of Water Resources Management Project unlikely to create interbasin water transfer of greater than 1 million gallons during hydrostatic testing Clearance (Rare Species)NYSDEC Consultation (Cultural Resources) NY State Historic Preservation Office May 17, 2012 |

12. Regulatory Considerations 12 Air Resources ◦ Schoharie County Compressor Station ◦ Major New Source Review Permit Wetlands / Waterbodies ◦ Impact Avoidance / Mitigation ◦ 401 WQC Review / Coordination with USACE ◦ Invasive Species Management ◦ Stream Crossing Techniques and Fishery Timing Restrictions ◦ Timing of Joint Permit Application Review Rare Species ◦ State-listed Species – Indiana Bats, Timber Rattlesnakes ◦ Impact Avoidance SPDES Construction ◦ FERC Environmental Construction Plan – NY Guidelines Dept. of Agriculture and Markets ◦ Pipeline Construction and Operation Guidelines ◦ Field Review of Route ◦ Impact Avoidance & Mitigation May 17, 2012 |