Pipeline and Midstream Operations RoundtableWes Sutherland, Manager of System Planning for Atlantic Gulf, Williams Gas/Electric Partnership ConferenceFebruary 3, 2016

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Simplified Transco MapNorthern Market Area

Mid-Atlantic Market Area

STA 165

Centerville

STA 130

STA 195

STA 065

STA 090

Southern Market Area

MS/AL Market Area

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Transco Peak Day Deliveries* And System Capacity

7

8

9

10

11

12

13

14

15

16

Qua

ntity

(MM

Dth

d)

Peak Day3 Day PeakContractual Capacity

8.648.24

10 - 1109 - 1007 - 08

9.25

08 - 09

9.529.25

8. 91

8.23

*Market area deliveries, which includes Zones 4 through 6.

11 - 12 12 - 13

10.499.90

13 - 14

9.00

9.96

8.99

11.88

11.12

Future Incremental Expansion Projects

12.6

11.9

14 - 15

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Transco Deliveries to End Users By State

0

200,000

400,000

600,000

800,000

1,000,000

1,200,000

ALABAMA GEORGIA SOUTHCAROLINA

NORTHCAROLINA

VIRGINIA MARYLAND DELAWARE PENNSYLVANIA NEW JERSEY NEW YORK

Dt/d

Ave

rage

2008 2009 2010 2011 2012 2013 2014

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Leidy Receipts

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System Throughput – Into North Market Area

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System Throughput - Mainline

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Future Flow Projections

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Future Flow Projections

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Future Flow Projections

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Future Flow Projections

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Future Flow Projections

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Future Flow Projections

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Northern Market Area Projects

195

210

New York City

PAOH

WV

VA

MD DE

NJ

NY

Leidy Hub

Zone 6

Zone 5

Project Name ISD MDth/d

Rock Springs 2016 192

Garden State 2016/17 180

Atlantic Sunrise 2017 1,700

New York Bay 2017 115

Total 2,187

Rock Springs• 10.7 mi. of 20-inch• Compression

Atlantic Sunrise• Greenfield pipeline & looping• Compression

Garden State• Compression

* These projects are FDLS and do not add mainline capacity.

New York Bay• Pipeline looping•Compression

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Southern Market Area Projects

210Zone 6

Zone 5

Zone 4

85

160Dalton Expansion• 106 mi. of greenfield

pipeline• Compression

Project Name ISD MDth/d

Hillabee Expansion 2017 1,025

Dalton Expansion 2017 448

Virginia Southside II 2017 250

Total 1,723

Hillabee Expansion• Loop & Compression

New York City

HolmesvilleInterconnect

Virginia Southside II• Lateral

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Project Name ISD MDth/d

South Louisiana Market 2016 190

Gulf Trace 2017 1,200

Total 1,390

Production Area Projects

85

65

45Zone 1 and 2

Zone 3

Zone 4

Gulf Trace• 7 mi. of 36-inch lateral• Compression

South Louisiana Market• 0.6 mi. of 20-inch lateral• Facility Modifications

30

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Zone 4

Zone 5

Zone 3

Zone 2

Zone 1

Shale Gas to TranscoProjected Flows on TranscoShale PlayTransco Shale Receipts

85

6545

Mid‐Atlantic Markets

Southeast Markets

Northeast Markets

Florida Markets

Gulf Coast Markets

Marcellus Shale

Mid‐Continent Shale

Eagle Ford Shale

Zone 6

Future System Flows