Steve Spaulding, Senior Vice President

Processing and Natural Gas Liquids1

RBC Capital Markets MLP Conference

November 2010

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Forward Looking StatementsThis presentation contains forward looking statements within the meaning of the

federal securities laws. Forward looking statements are not guarantees of performance.

They involve risks, uncertainties and assumptions. The future results of Crosstex

Energy, L.P. and its affiliates (collectively known as “Crosstex”) may differ materially

from those expressed in the forward-looking statements contained throughout this

presentation and in documents filed with the SEC. Many of the factors that will

determine these results are beyond Crosstex’s ability to control or predict. These

statements are necessarily based upon various assumptions involving judgments with

respect to the future, including, among others, the ability to achieve synergies and

revenue growth; national, international, regional and local economic, competitive and

regulatory conditions and developments; technological developments; capital markets

conditions; inflation rates; interest rates; the political and economic stability of oil

producing nations; energy markets; weather conditions; business and regulatory or

legal decisions; the pace of deregulation of retail natural gas and electricity; the timing

and success of business development efforts; and other uncertainties. You are cautioned

not to put undue reliance on any forward looking statement. Crosstex has no obligation

to publicly update or revise any forward looking statement, whether as a result of new

information, future events or otherwise.

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Midstream energy services company focused

on full value chain

Assets strategically located in key producing

areas and market regions

Focus on Barnett and Haynesville shale plays

Focused Midstream Company Diversity of Services

Over 3,300 miles of natural gas gathering

and transmission pipeline

9 natural gas processing plants

2 fractionators

Over 400 miles of NGL pipeline

2.4 MM barrels of NGL storage capacity

Wellhead

Gathering, Dehydration & Compression

Processing , Conditioning & Treating

Transmission Lines

NGL Transportation & Fractionation

Natural Gas Consumers

NGL Markets

We Span the Value Chain

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Strategically Positioned Assets

North Texas

~780 miles of pipeline

3 processing plants

LIG

~2,100 miles of pipeline

2 processing plants

Processing & NGLs ~440 miles of NGL pipeline

4 processing plants

2 fractionation facilities

North Texas

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Well Positioned Assets (current capacity) :

NTPL – 375 MMcfd

NTX Gathering Assets – 1 Bcfd +

Azle plant – 50 MMcfd

Goforth plant – 30 MMcfd

Silvercreek plant – 200 MMcfd

North Texas Gathering

Systems

North Texas Pipeline

Processing Plant

NTX: Strategically Positioned in the Barnett Shale

Fossil Creek

Benbrook

North Texas Expansion Project 1:

New 10 yr. transport agreement on N.TX Volume commitment of at least 50

MMBtu/d

Expected capital of less than $10 million cash

Expected annual run-rate cash flow of approximately $8 million

System expected in operations first quarter 2011

North Texas Expansion Project 2:

$25 million, 15-mile expansion project supported by volumetric commitments

Seven-mile low-pressure pipeline, eight-mile high-pressure pipeline and

compressor station in southwest Tarrant County

Peak flow rate in 2012 expected to be more than 100 MMBtu/d

System expected in operation first quarter 2011 7

NTX: New Long Term Gathering Agreements

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LIG

LIG: Strategically Located Assets

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LIG System

NGL System

Processing Plant

Well Positioned Assets (current capacity) :

LIG ~ 1Bcfd

Gibson Plant – 145 MMcfd

Plaquemine Plant – 225 MMcfd

LIG: Strong Execution Haynesville Opportunities

Haynesville Projects

Capacity MMcf/d Contract

In Service Total Contracted Term (1)

N. LIG Contracted Projects

Red River Project Q3 2007 240 240 7 yr

North LIG Expansion Phase I Q4 2008 35 35 10 yr

North LIG Expansion Phase II Q2 2009 100 100 10 yr

Black Lake Interconnect Phase III – Part I Q4 2009 35 35 3 yr

Red River Amine Unit (120 MMcf/d Capacity) Q4 2009 3yr

Black Lake Interconnect Phase III – Part II Q2 2010 25 25 1.5 yr

LIG Phase IV Expansion- Part I Q3 2010 30 30 5 yr

Total Contracted 465 465

10(1) Volume Weighted Average Life of 5.14 Yrs

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Processing and Natural Gas Liquids

PNGL Business Description

Sabine

Corridor

Eunice

CorridorPelican

Corridor

PNGL: Eunice Frac Restart

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Restarting 15,000 Bbls/d of Existing 36,000 Bbls/d Frac

Capex - $9.3MM with Op Income Contribution of $3.3MM

Economics Supported by New Volume Commitments, Liquids

from Our Plants and Expense Savings

Project Will Also Connect Plaquemine Fractionation Into Our

NGL System and Access New Markets

Upside – Additional Capacity to Bring Liquids from Other Plays

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NGL Demand Review

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U.S. Gulf Coast Ethane Supply

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Louisiana Gulf Coast Gas Plant Production of Ethane (EIA)

Ethane to Gas/Ethylene/Crude

• Fundamental price relationships are changing

– Crude to gas is 25 to 1 versus historical 9 to 1

• NGLs trade on crude oil relationship

– North America Petrochemical business has the second lowest

feedstock price and fuel price

– Record high run rates for North America Ethylene crackers

– Ethane is currently the only positive margin feedstock to

Ethylene crackers

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