Approvals

Deepwater Horizon Oil Spill (DWHOS)Water Column Technical Working Group

NRDA Spring 2011 Plankton Imaging Sampling Cruise Plan

Sampling Vessel: R/V Oceanus

Cruise Dates: March 1 — April 18, 2011

Plan Date: January 30, 2011Revised: March 8, 2011

Approval of this work plan is for the purposes of obtaining data for the Natural Resource DamageAssessment. Parties each reserve its right to produce its own independent interpretation and analysis ofany data collected pursuant to this work plan.

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BP Approval j,’?hI? / / tcciPrinted Name

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Federal Trustee Approval JeS\ (jX j44fPrinted Name

Louisiana Approval

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