X0306 4 2018-06-06 0 0001592058 Party City Holdco Inc. PRTY 0001052625 RITTENBERG GERALD C C/O PARTY CITY HOLDCO INC. 80 GRASSLANDS ROAD ELMSFORD NY 10523 1 0 0 0 Common Stock 2018-06-06 4 A 0 8169 0.00 A 8169 D Common Stock 1000 I By Charles Arthur Rittenberg 2008 Trust Common Stock 1000 I By Jack Dolliver Rittenberg 2013 Trust Common Stock 1000 I By Theodore Fredrick Rittenberg 2014 Trust Common Stock 53061 I By Garrett J. Rittenberg Self-Settled Trust u/a/d June 28, 2008 Common Stock 44661 I By Craig M. Rittenberg Self- Settled Trust u/a/d June 28, 2008 Common Stock 145734 I By Ritts Enterprises LLC Represents restricted stock units granted to the Reporting Person under the Party City Holdco Inc. Amended and Restated 2012 Omnibus Equity Incentive Plan. Each restricted stock unit represents a contingent right to receive one share of Common Stock, par value $0.01 per share. The restricted stock units shall vest in full on the earliest of (i) the first anniversary of the date of grant, (ii) the termination of the director's service due to his death or (iii) a change in control of Party City Holdco Inc. /s/ Joseph J. Zepf, attorney-in-fact 2018-06-08