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The PBRSUs were subject to both performance-based and time-based vesting conditions. On February 16, 2017, the performance condition was certified at 150% of the target award, vesting the performance condition of the PBRSUs and converting the award into a restricted stock unit for the number of shares indicated on this Form 4. The restricted stock unit will vest on the third anniversary of the original PBRSU grant date."}],"balance_after":4990,"source":{"system":"sec-edgar","filing":"0000944695-17-000013","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/944695/000094469517000013/edgar.xml","form_type":"4"}}]}