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Statement by ExxonMobil Pipeline Company Regarding Crude Oil Release into 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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