COWEN GROUP, INC.https://pcaobus.org/form-ap-filings/1602/1602COWEN GROUP, INC.16023/8/2017 8:43:53 AM201678217a4b-6f7a-44a4-a8d4-fa5a88991476238PricewaterhouseCoopers LLP455024COWEN GROUP, INC.1466538COWN0023800383Matthew Reed Singer0023800383True