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NiSource Energy Partners, L.P. (NiSource Energy) owns and operates natural gas transportation pipelines and related energy infrastructure assets. The Company transports natural gas for a mix of customers, including local gas distribution companies (LDCs), municipal utilities, direct industrial users, electric power generators, marketers, producers and liquified natural gas (LNG) importers. In addition to serving markets directly connected to its system, it serves markets and customers in a variety of other regions through numerous interconnections with major interstate and intrastate pipelines. The Company’s initial asset is the Columbia Gulf pipeline system, an approximately 3,400 mile interstate natural gas transportation pipeline system that extends from southern Louisiana into Kentucky and is regulated by the Federal Energy Regulatory Commission (FERC).

The Columbia Gulf pipeline system consists of approximately 3,400 miles of pipelines and 11 compressor stations with approximately 445,450 horsepower located primarily in Louisiana, Mississippi, Tennessee and Kentucky. These pipelines include The Mainline System. Columbia Gulf’s Mainline System extends from southern Louisiana to a pipeline interconnection with Columbia Gas Transmission Corporation (Columbia Gas Transmission), a subsidiary of NiSource, in northeastern Kentucky. The Mainline System consists of approximately 2,550 miles of pipelines with peak-design throughput capacity of 2.2 billion cubic feet per day and The Louisiana Laterals. The Louisiana Laterals consist of the West Lateral and the East Lateral. The West Lateral extends from an interconnection with the Mainline System along the southern tier of Louisiana westward to Hackberry, Louisiana, while the East Lateral extends eastward to New Orleans and Venice, Louisiana. The Louisiana Laterals consist of approximately 850 miles of pipelines with maximum peak-design capacity in excess of one billion cubic feet per day on each lateral. As of December 31, 2006, NiSource Energy had approximately 16,000 miles of interstate pipelines (including the Columbia Gulf pipeline system) and operated underground natural gas storage systems with 36 storage facilities capable of storing approximately 252 billion cubic feet of working gas.

NiSource Energy’s pipeline system accesses natural gas supply from producing regions in Texas, Louisiana, the Gulf of Mexico and Appalachia, and is positioned to access new supplies from Gulf Coast LNG imports and non-traditional basins, such as the Fayette Shale in Arkansas. Through interconnections with major interstate and intrastate pipelines, it also provides transportation of natural gas to markets in the Northeast, Midwest, Mid-Atlantic and Southeast United States, and serves industrial, commercial, electric generation and residential customers in Tennessee, Mississippi and Louisiana. It offers customers direct physical access to two of traded natural gas markets in North America at the Henry Hub in South Louisiana and the Columbia Gas Transmission Supply Pool (TCO Pool) at Leach, Kentucky.

Company Address

Nisource Energy Partners LP

801 East 86th Avenue
MERRILLVILLE   IN   46410
P: +1219.6474222
F: +1302.6365454

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