X0306 4 2018-04-13 0 0001466538 COWEN INC. COWN 0001042589 COHEN PETER A COWEN INC. 599 LEXINGTON AVENUE NEW YORK NY 10022 1 0 0 0 Class A Common Stock 2018-04-13 4 S 0 4500 14.6780 D 869377 D Class A Common Stock 2018-04-16 4 S 0 4000 14.6813 D 865377 D Class A Common Stock 2018-04-17 4 S 0 8000 14.9588 D 857377 D The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person. The price is the weighted average sale price of the aggregate number of shares that were sold by the reporting person. The shares were sold in multiple transactions at prices ranging from $14.55 to $15.00. The reporting person undertakes to provide the Company, any security holder of the Company or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price. The price is the weighted average sale price of the aggregate number of shares that were sold by the reporting person. The shares were sold in multiple transactions at prices ranging from $14.60 to $14.75. The reporting person undertakes to provide the Company, any security holder of the Company or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price. The price is the weighted average sale price of the aggregate number of shares that were sold by the reporting person. The shares were sold in multiple transactions at prices ranging from $14.80 to $15.05. The reporting person undertakes to provide the Company, any security holder of the Company or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price. /s/ Peter A. Cohen 2018-04-17