Hibernia Sheen Updates – July 2020

Information about the July 2020 sheen can be found here.

July 22, 2020 - Hibernia Resumes Production
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St. John’s, Newfoundland and Labrador: Hibernia Management and Development Company Ltd. (HMDC) is gradually resuming production at the Hibernia platform today after conducting a thorough inspection to ensure the safety and security of the platform and that it can be done safely and in an environmentally responsible manner. We will continue to engage with the Canada-Newfoundland and Labrador Offshore Petroleum Board as we investigate and apply learnings to prevent future exceedances.

HMDC continued vessel and aerial surveillance of the area into this afternoon, with one overflight, two support vessels, and two wildlife observers in the field. Fortunately, there have been no reports of impacted wildlife; we will continue to monitor. There were no sheens observed overnight or today. We received additional satellite images this morning, which showed no indication of any anomalies. We will therefore be re-tasking vessels as appropriate.

Media contact:

Margot Bruce-O’Connell

Public and Government Affairs

Hibernia Management and Development Company Ltd.

margot.p.bruce-o'connell@exxonmobil.com

709.746.8383

July 21, 2020 - Hibernia Update
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St. John’s, Newfoundland and Labrador: Hibernia Management and Development Company Ltd. (HMDC) is continuing response efforts regarding the observation of a sheen 2.5 kilometres from the Hibernia

platform.

HMDC is continuing surveillance of the area, leveraging data provided by satellite imaging, air surveillance, radar, tracker buoys, and updated trajectory models. There are currently two support vessels (Heron and Shrike) and two wildlife observers in the field. Additional equipment is available if deemed appropriate.

The support vessel Heron has located areas of light sheening that are not recoverable.

There have been no reports of impacted wildlife.

Production remains shut in and all personnel are safe. More information will be released when it becomes available.

Media contact:

Margot Bruce-O’Connell

Public and Government Affairs

Hibernia Management and Development Company Ltd.

margot.p.bruce-o'connell@exxonmobil.com

709.746.8383

July 20, 2020 - Sheen observed at Hibernia platform
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St. John’s, Newfoundland and Labrador: Hibernia Management and Development Company Ltd. (HMDC) observed a sheen 2.5 kilometres from the Hibernia production platform, located 315 kilometres east south east of St. John’s, Newfoundland and Labrador. All platform personnel are safe.

Water sampling late on July 19, during drill well flow back operations, indicated an exceedance on the produced water discharge. HMDC immediately shut in Hibernia production. The discharge would be a mixture of drilling and productions fluids. Visibility offshore today has been low due to weather conditions.

Observations from PAL surveillance flights on Monday could not confirm the sheen.

A vessel dispatched to conduct visual observations reported a light sheen and there are no observed wildlife impacts.

HMDC is investigating the incident and has the resources to respond as appropriate.

HMDC has notified the Canada- Newfoundland and Labrador Offshore Petroleum Board.

Media contact:

Margot Bruce-O’Connell

Public and Government Affairs

Hibernia Management and Development Company Ltd.

margot.p.bruce-o'connell@exxonmobil.com

709.746.8383