X0306 4 2017-04-07 0 0001610532 Hortonworks, Inc. HDP 0001626688 Connolly Shaun C/O HORTONWORKS, INC. 5470 GREAT AMERICA PARKWAY SANTA CLARA CA 95054 0 1 0 0 Chief Strategy Officer Common Stock 2017-04-07 4 A 0 70909 0.00 A 633448 D On April 7, 2017 the Reporting Person was granted 70,909 restricted stock units (RSU's). Each RSU represents the right to receive, at settlement, one share of common stock. Such restricted stock units shall vest and become releasable in a series of eight equal successive three month installments over the twenty-four months following the grant date, all subject to the grantee's continued status as a service provider. /s/ Anne Kuykendall as Attorney-in-Fact for Shaun Connolly 2017-04-11