1. James C. Yardley
President & Chief Executive Officer
El Paso Pipeline GP Company, L.L.C.
IPAA MLP Conference
January 17, 2008

2. Forward Looking Statements
This release includes forward-looking statements and projections, made in reliance on the safe harbor
provisions of the Private Securities Litigation Reform Act of 1995. El Paso Pipeline Partners and El
Paso Corporation have made every reasonable effort to ensure that the information and assumptions
on which these statements and projections are based are current, reasonable, and complete. However,
a variety of factors could cause actual results to differ materially from the projections, anticipated
results or other expectations expressed in this presentation, including, without limitation, the ability to
obtain necessary governmental approvals for proposed pipeline projects and to successfully construct
and operate such projects; operating hazards, natural disasters, weather-related delays, casualty
losses and other matters beyond our control; the risks associated with recontracting of transportation
commitments; regulatory uncertainties associated with pipeline rate cases; actions taken by third-party
operators, processors and transporters; conditions in geographic regions or markets served by WIC, El
Paso Pipeline Partners and their affiliates or where their operations and affiliates are located; the
effects of existing and future laws and governmental regulations; competitive conditions in our industry;
changes in the availability and cost of capital; and other factors described in El Paso Pipeline Partners’
and El Paso Corporation’s (and their affiliates’) Securities and Exchange Commission filings. While
these statements and projections are made in good faith, El Paso Pipeline Partners, El Paso
Corporation and their respective management teams cannot guarantee that anticipated future results
will be achieved. Reference must be made to those filings for additional important factors that may
affect actual results. El Paso Pipeline Partners and El Paso Corporation assume no obligation to
publicly update or revise any forward-looking statements made herein or any other forward-looking
statements made, whether as a result of new information, future events, or otherwise.
2

3. Overview of El Paso Corporation
• Purpose
• Culture
• Assets
• MLP Formation
3

4. Defining Purpose
El Paso Corporation provides
natural gas and related energy
products in a safe, efficient, and
dependable manner
4

5. Focus on Culture
the place to work
the neighbor to have
the company to own
5

6. Overview of El Paso Corporation
Wyoming
Colorado
Tennessee
Interstate
Interstate Gas
Gas Pipeline
Cheyenne
Mojave Plains Pipeline
Pipeline
Southern
Natural Gas
El Paso Elba Island
Natural Gas LNG
Gulf LNG
Florida Gas
(50%)
Transmission (50%)
2011
Premier Pipeline Franchise Top 10 independent E&P
• $1.2 billion of 2006 EBIT • 2.6 Tcfe YE ’06 proved reserves
• 43,000 miles of interstate pipeline with • Top 10 independent domestic gas
unmatched connectivity producer
• More than $2 billion of organic projects • 5 years of project inventory
with firm customer commitment • Portfolio upgrade underway
6

7. MLP Formation Rationale
Optimize
Highlight
Capital
Franchise
Structure
Value
Enhance
Competitive
Position
A strong performing MLP currency provides El Paso
with a strategic vehicle to grow its business
7

8. El Paso Pipeline Partners, L.P.
8

9. El Paso Pipeline Partners L.P.
Successful IPO November 15, 2007
$25.00
• 28.75 MM units
sold to public at
$20/unit $24.00
$23.00
• El Paso retained
64.8% LP units+
$22.00
2% GP interest 1/16/08: $23.54
and incentive ’08 Est. Distribution: $1.15
distribution rights $21.00 Yield: 4.9%
$20.00
• Unit value up 18%
Nov-07 Dec-07 Jan-08
since IPO
9

10. Investment Highlights
• El Paso is the premier U.S. natural gas pipeline franchise
Strong
• Alignment of interests (67% ownership + IDRs)
Sponsorship
• Strategic growth vehicle for El Paso
• 90%+ revenue from capacity reservation charges
Stable Cash
Flow • Average contract life of approximately 6 years
• Strategically located high quality assets
• $1.1 billion of contracted growth projects ($336 MM to the MLP)
Growth Vehicle
• Growth through potential acquisitions - third party, drop down or both
• Unparalleled experience in the pipeline industry
Experienced
• Includes some of El Paso’s most senior officers with an average of
Management
over 26 years of energy industry experience
Financial
• Strong and flexible financial position
Flexibility
10

11. Overview of El Paso Pipeline Partners
• Primary focus is natural gas transmission
and storage assets
• Three FERC regulated interstate pipelines:
– 100% of WIC: 700 miles, 2.3 Bcf/d
– 10% of CIG: 4,000 miles, 3.0 Bcf/d
– 10% of SNG: 7,600 miles, 3.7 Bcf/d
• Demand based revenues from high quality
customers with strong credit profiles
• Several organic expansions underway
WIC
SNG
CIG
Diverse, Growing Supply Regions High Connectivity to Growing Markets
11

12. MLP Opportunities
High
• Price stability
• Long-term firm
Interstate
Cash Flow Stability
Pipelines demand contracts
• Stable asset base
Majority of
alternative
MLP’s
Low
Low High
Asset Life
12

13. Stable Cash Flow
Capacity Reservation Charges
Result in Stable Cash Flows
2006 Revenue Composition (1)
WIC CIG SNG
Capacity Reservation Charges 97.8% 92.3% 89.0%
1.8% 6.0% 7.0%
Variable Charges
0.4% 1.7% 4.0%
Interruptible Contracts
Weighted Average 6.8 6.1 5.8
Contract Life (years)
$100 MM of 2008 estimated cash flow available for distribution
(1) Excludes liquids and fuel retention revenues.
13

14. Best Positioned Assets
Major Flow Changes 2006–2016 (Bcf/d)
-2.0
Canada
0.7
Declining
-0.4 exports to the USA
-1.2 Eastern Demand
-1.0 Growth
Especially
-0.5 Southeast
3.4
2.8 1.5
2.9
0.6
4.7
Rockies
4.0 (1)
Increasing supplies
0.4 leaving region
1.2
1.4
1.3
LNG
5.4
Expanding current
facilities, Gulf Coast
additions
Source: EEA/ICF International July 2007 Base Case
0.8
(1) Elba Island Facility not owned by El Paso Pipeline Partners.
14

15. Wyoming Interstate Company
Medicine Bow Expansion — $32 MM POWDER RIVER
BASIN
• Adds 330 MMcf/d capacity from Douglas
WIND RIVER
Powder River Basin Compressor
• Low cost Rockies
BASIN Station
• Fully contracted
takeaway pipeline
• In-service July 2008
GREATER GREEN RIVER
BASIN Leased Capacity on
Contracted
• Stable growing
Medicine Bow
Wamsutter CIG’s Powder River Line
Capacity
Lateral
Compressor
cash flow
Opal Hub
Station
Kanda
Interconnect
Echo Springs Lateral
• Organic growth
WIC Kanda Lateral & Compression — $164 MM
Wyoming
with superior
• 400 MMcf/d from Uinta Basin
Utah
• Fully contracted Colorado Cheyenne Hub
returns
DJ BASIN
• In-service January 2008
Northwest Pipeline
Interconnect
UINTA BASIN
B
Piceance Lateral
Piceance Basin Expansion $62 MM
Anadarko
• 219 MMcf/d
Chapita Plant
• Fully contracted
PICEANCE
BASIN • Initial in-service 4Q’08
$395 MM of growth cap ex with approximately $120 MM to be spent (1)
(1) As of November 15, 2007
15

16. Colorado Interstate Gas
High Plains Pipeline — $196 MM (100%)
POWDER RIVER
• Leading Rockies
BASIN
• Fully contracted
Legend
interstate system
• 164 miles of 24quot; and 30quot; pipeline
Major hubs
WYOMING
• 900 MMcf/d overall capacity
CIG Storage Fields
WIND RIVER
• Access to growing
BASIN
High Plains
• In-service October 2008
CIG
NEBRASKA
Rockies Basins
GREATER GREEN
RIVER BASIN
Opal Hub
• Directly serves
OVERTHRUST
BASIN
Denver/Front
DENVER-JULESBURG
Cheyenne Hub
BASIN
Range markets
UINTA
BASIN
PICEANCE
UTAH BASIN
KANSAS
Totem Gas Storage — $120 MM (100%)
COLORADO
• Fully contracted
Beaver
Compressor • 7 Bcf of capacity
Raton Basin — $13 MM (100%) Station
• Interconnect with High Plains Pipeline
• 30 MMcf/d; 11 miles of looped RATON
OKLAHOMA
pipeline; compression BASIN
• In-service July 2009
• Fully contracted TEXAS ANADARKO
BASIN
• In-service September 2007
$171 MM of growth cap ex; $128 MM to be spent; $13 MM net to EPB(2)
(1) 100% to JV of which CIG will be responsible for 50%
(2) As of November 15, 2007
16

17. Southern Natural Gas
Cap Ex Capacity In- Southern
SESH ($ MM) (MMcf/d) Service Natural Gas
Chattanooga an El Paso Company
Phase I 74 136 Jun 2008
• Franchise system in Huntsville
Phase II 96 349 Oct 2010
growing Southeast Columbia
Muldon
Atlanta
Augusta
Birmingham
• Excellent Bear
Creek
connectivity Macon
Columbus
Jackson Montgomery Savannah Elba
• Growing supply Island (1)
sources Albany
Tallahassee Jacksonville
Cap Ex Capacity In- Cap Ex Capacity In-
SSIII ($ MM) (MMcf/d) Service Cypress ($ MM) (MMcf/d) Service
Phase I 122 Oct 2010 Phase I 255 215 May 2007
Phase II $286 122 Jun 2011 Phase II 19 114 May 2008
Phase III 122 Apr 2012 Phase III 82 161 Jan 2011
$833 MM of growth cap ex; $526 MM to be spent; $53 MM net to EPB(2)
(1) Not owned by El Paso Pipeline Partners
(2) As of November 15, 2007
17

18. Contracted Organic Growth is Highly Visible
$ Millions
2007 2008–2009 2010 & Beyond
WIC Kanda Lateral Kanda Lateral
Medicine Bow Medicine Bow
Piceance Basin
CIG High Plains High Plains
Totem Storage Totem Storage
Raton
SNG Cypress I Cypress (II&III) Cypress III
SESH SESH SESH
SSIII SSIII
100% Share $385 $376 $334
Net to EPB 191 112 33
18

19. Committed To Growth
• Most pipeline assets
• Three sources of future
suitable for MLP
growth
– Organic • $2.4 billion NOL (post
IPO)
– Drop downs from El Paso
• Review on ongoing
– Third-party acquisition
basis
• Proceeds available for
reinvestment, share
buy backs, debt
reduction
19

20. The MLP to Own
Strong sponsorship
Stable cash flow
Growth vehicle
Experienced management
Financial flexibility
WIC
SNG
CIG
Diverse, Growing Supply Regions High Connectivity to Growing Markets
20

21. James C. Yardley
President & Chief Executive Officer
El Paso Pipeline GP Company, L.L.C.
IPAA MLP Conference
January 17, 2008

22. Appendix
22

23. Strong Sponsorship
Public Unitholders
28,437,786 EPB Common Units
28,750,000 EPB
Common Units 27,727,411 EPB Subordinated Units
GP interest and incentive distribution rights
33.2% LP 64.8% LP
Pipelines
2.0% GP
E&P
Other
100% 10%
10%
Wyoming Interstate Colorado Interstate Southern Natural
Company Gas Company Gas Company
“WIC” “CIG” “SNG”
90% 90%
23

24. Strong Financial Flexibility
$ Millions
9/30/07
Pro Forma As Adjusted
Cash $ 1 $ 1
Note payable to affiliate 225 –
Revolving borrowings – 425
Capital lease obligations 8 8
Total debt 233 433
Partners’ capital 544 346
Total capitalization $ 777 $ 779
Credit Statistics
Debt/capitalization 30% 56%
Debt/2008E adjusted EBITDA 1.7x 3.1x
Undrawn revolver capacity of $325 million(1) ;
revolver capacity expandable by $500 million
(1) Based on balance at IPO close (11/21/07)
24

25. Minimum Cash Flow for Distributions
Twelve Months
($ in millions)
Adjusted EBITDA
Ending 12/31/08
($ Millions)
Net Income $84
Add:
R
Depreciation and amortization 26
AG
Interest and debt expense, net 30
C
17%
Estimated cash distributions from CIG 12
$138
Estimated cash distributions from SNG 20
Less:
Equity in earnings from CIG (14)
$108 (1)
Equity in earnings from SNG (20) (1)
$100
Adjusted EBITDA $138
Less:
Provides 1.05x Coverage Ratio
Cash reserve (5)
Cash interest expense, net (29)
Maintenance capital expenditures (2)
Other income, net (2)
Minimum estimated cash available for distribution $100
Minimum annual distribution per unit $1.15
Annual distributions to:
Public common unitholders $33
2006 PF LTM PF 2008E
El Paso 67
9/30/07
$100
Total distributions to unitholders and GP
(1) Twelve months ended December 31, 2006 and September 30, 2007 are net of $4 MM
of incremental G&A expenses associated with being a public company.
25

26. Experienced Senior Management
Years
Name El Paso Title MLP Title Experience
Ronald Kuehn, Jr. Chairman of the Board Chairman of the Board 37
Doug Foshee President, Chief Executive Director 25
Officer & Director
Mark Leland EVP & CFO Director 21
Jim Yardley Chairman, El Paso Pipeline Director, President and CEO 29
Group
J.R. Sult SVP,CFO & Controller of SVP, CFO and Controller 26
the Pipeline Group;
SVP, CAO & Controller (EP)
Jim Cleary President, Western Pipeline SVP 28
Group
Norman Holmes SVP, CCO & Director of SVP 28
Southern Natural Gas
Arthur Reichstetter Independent Director Nominee 31
26