Aux Sable Midstream and Summit Midstream Partners, LP Announce New Gas Purchase Agreement

Aux Sable Midstream and Summit Midstream Partners, LP Announce New Gas 
Purchase Agreement 
CHANNAHON, IL and DALLAS, Sept. 16, 2013 /CNW/ - Aux Sable Midstream, LLC 
("ASM") and Summit Midstream Partners, LP ("SMLP") (NYSE: SMLP) are pleased to 
announce the execution of a new, long-term gas purchase agreement for liquids 
rich natural gas gathered on SMLP's Bison gathering system. The rich natural 
gas will be conditioned at ASM's Palermo Plant and then transported via ASM's 
Prairie Rose Pipeline and the Alliance Pipeline for processing at Aux Sable 
Liquid Products LP's ("ASLP") Channahon, Illinois 2,100 million cubic feet per 
day (mmcfd) natural gas liquids extraction and fractionation facility. 
Under the agreement, SMLP will dedicate gas gathered from their Bison 
gathering system in Burke and Mountrail counties to ASM up to 25 mmcfd with 
options to increase volumes as they develop. 
"We are very pleased to have reached this agreement with SMLP and look forward 
to growing the volumes that SMLP gathers for Bakken producers and Aux Sable 
moves to markets through world scale facilities. This agreement is consistent 
with our long-term strategy of providing Bakken producers with reliable and 
competitive market access for their rich natural gas that might otherwise be 
flared or less efficiently handled through field facilities" said W. J. (Bill) 
McAdam, President and Chief Executive Officer of Aux Sable. 
Steve Newby, President and CEO of SMLP commented, "We are excited about 
expanding our relationship with Aux Sable, a premier midstream operator with 
large-scale natural gas processing assets. This agreement ensures that we 
have dedicated and scalable processing capacity available for our Bakken Shale 
customers over a long-term period. It also allows us to immediately offer 
our existing and future customers improved natural gas processing economics 
for their rich associated natural gas production." 
North Dakota Governor Jack Dalrymple commented, "We must continue making 
progress in the gathering and processing of natural gas in western North 
Dakota. Aux Sable and Summit Midstream are playing an important role in our 
ongoing effort to reduce flaring and add value to our energy resources." 
About Aux Sable 
For over twelve years, Aux Sable has delivered outstanding safety, 
environmental and operating results. The company now has operations in 
several locations in the United States and Canada. 
Aux Sable USA 
Aux Sable Liquid Products owns and operates one of the largest NGL extraction 
and fractionation plants in North America. The facility is located in 
Channahon, Illinois about 50 miles southwest of Chicago near the eastern 
terminus of the Alliance pipeline. The facility is capable of processing 2,100 
mmcfd of gas and can produce about 102,000 barrels per day of specification 
NGL products. All of the Alliance gas is processed at the Channahon NGL 
Facility where Aux Sable has shipper contracts to extract the NGLs. 
Aux Sable Midstream owns and operates the Palermo Conditioning Plant and the 
Prairie Rose Pipeline. The Prairie Rose Pipeline connects the Palermo 
Conditioning Plant to the Alliance Pipeline, which delivers high energy dense 
phase gas to Aux Sable'sChannahon, Illinois Plant for NGL extraction and 
processing. ASM is pursuing other NGL processing and infrastructure 
midstream initiatives, primarily driven by the shale oil and shale gas 
developments in the Midwest and northeast United States. 
Aux Sable Liquid Products and Aux Sable Midstream are both owned by Enbridge 
(42.7% equity interest), Veresen (42.7% equity interest) and Williams Partners 
(14.6% equity interest). 
Aux Sable Canada 
Aux Sable Canada is an active midstream gas processing company in Western 
Canada, primarily along the Alliance Pipeline corridor. Utilizing 
transportation on the Alliance dense phase gas pipeline, ASC provides value 
added solutions for producers to effectively develop and produce NGL rich gas 
reserves. Since inception, the company has successfully attracted rich gas to 
Alliance through inducements and new rich gas connections. ASC's strategy also 
includes building, owning and operating offgas processing facilities for the 
heavy oil upgrading and refining industry in Alberta. 
Aux Sable Canada is owned by Enbridge (50% equity interest) and Veresen (50% 
equity interest). Enbridge and Veresen each own a 50% interest in the Alliance 
About Summit Midstream Partners, LP 
SMLP is a growth-oriented limited partnership focused on owning and operating 
midstream energy infrastructure assets that are strategically located in the 
core producing areas of unconventional resource basins, primarily shale 
formations, in North America. SMLP currently provides primarily fee-based 
natural gas gathering and compression services in four unconventional resource 
basins: (i) the Piceance Basin, which includes the Mesaverde formation as well 
as the Mancos and Niobrara shale formations in western Colorado; (ii) the Fort 
Worth Basin, which includes the Barnett Shale formation in north-central 
Texas; (iii) the Williston Basin, which includes the Bakken and Three Forks 
shale formations in northwestern North Dakota; and (iv) the Appalachian Basin, 
which includes the Marcellus Shale formation in northern West Virginia. SMLP 
owns and operates 757 miles of pipeline and 181,200 horsepower of 
compression. SMLP is headquartered in Dallas, TX with offices in Houston, 
TX, Denver, CO and Atlanta, GA. 
For more information on Aux Sable, visit For more 
information on Summit Midstream Partners, LP, visit

SOURCE  Aux Sable Canada LP 
Aux Sable US  Scott A. Seibert Government & 
Public Affairs Manager (815) 941-6250 
Summit Midstream Partners, LP  Marc Stratton 
Vice President & Treasurer (214) 242-1966 
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CO: Aux Sable Canada LP
ST: Texas
-0- Sep/16/2013 20:00 GMT
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