Statement by ExxonMobil Pipeline Company Regarding Crude Oil Release into Yellowstone River in Montana

ExxonMobil Pipeline Company issued the following statement concerning a
crude release into the Yellowstone River in Montana:

'Early on the morning of July 2, we discovered an undetermined amount of
crude oil was released into the Yellowstone River from an ExxonMobil
Pipeline Company (EMPCo) pipeline. EMPCo deeply regrets this release and
is working hard with local emergency authorities to mitigate the impacts
of this release on the surrounding communities and to the environment.

The release originated from a 12? crude pipeline operated by EMPCo that
runs from Silver Tip, MT to Billings, MT. The pipeline has been shutdown
and the segment where the release occurred has been isolated. All
appropriate state and federal authorities have been alerted.

At this early stage, we have no information on the cause of the
incident,  and we are working to determine the amount of oil released.
ExxonMobil has activated its North American Regional Response Team to
assist in the clean up efforts. A claims number 1-888-382-0043 has also
been established to assist individuals who might have been impacted by
this event.

We recognize the seriousness of this incident and are working hard to
address it. Our principal focus is on protecting the safety and health
of the public and our employees. We will, of course, also begin a
thorough investigation of the cause of this unfortunate event. We will
provide additional information as it becomes available.?

About ExxonMobil

ExxonMobil,
the largest publicly traded international oil and gas company, uses
technology and innovation to help meet the world′s growing energy needs.
ExxonMobil holds an industry-leading inventory of resources, is the
largest refiner and marketer of petroleum products, and its chemical
company is one of the largest in the world. For more information, visit www.exxonmobil.com.

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