Sunoco Logistics Deploys Leak Detection Software from Energy Solutions International

Expands Deployment to Second Pipeline System
HOUSTON--(Business Wire)--
Energy Solutions International, Inc. (ESI), a world-leading supplier of software
solutions that optimize operational and commercial performance of oil and gas
pipelines, announced that Sunoco Logistics Partners L.P. has selected ESI leak
detection software for its Western Pipeline system. This agreement, in addition
to an existing agreement for Sunoco Logistics` Eastern Pipeline system, places
approximately 8000 miles of Sunoco Logistics pipelines under ESI leak detection
licensing.

For its Western Pipeline system, Sunoco Logistics conducted a thorough
evaluation of leak detection applications and again selected Energy Solutions
International based on ESI`s overall rating to deliver an accurate, effective
leak detection system. Implementation of the software on the Western Pipeline
system has begun.

About Sunoco Logistics

Sunoco Logistics Partners L.P. (NYSE: SXL), headquartered in Philadelphia, is a
master limited partnership formed to acquire, own and operate refined product
and crude oil pipelines and terminal facilities. For additional information,
visit www.sunocologistics.com.

About Energy Solutions International, Inc.

Energy Solutions International, Inc. (ESI) is a leading global supplier of
pipeline management software for the oil and gas industry. Founded in 1976 and
headquartered in Houston, Texas, ESI serves more than 250 clients in 45
countries through its offices in the United States, United Kingdom, United Arab
Emirates, India, Singapore, China and Canada. For information, visit
www.energy-solutions.com.

Energy Solutions International, Inc.
Clive Seaton, +44 1642 677755
Cseaton@energy-solutions.com
Mobile: +44 791 751 7696
or
Kathleen Beaulieu, 508-528-9004
Kbeau5@verizon.net

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