X0306 5 2016-12-31 0 0 0001005284 UNIVERSAL DISPLAY CORP \PA\ OLED 0001232978 ROSENBLATT SIDNEY D C/O UNIVERSAL DISPLAY CORPORATION 375 PHILLIPS BLVD. EWING NJ 08618 1 1 0 0 EVP and CFO Common Stock 2016-06-30 5 G 0 2500 0 D 417766 D Common Stock 2016-08-31 5 G 0 900 0 D 416866 D Common Stock 2016-12-12 5 G 0 2150 0 D 414753 D Common Stock 2016-12-14 5 G 0 18 0 D 414773 D Common Stock 43028 I By Grantor Retained Annuity Trust Common Stock 3250 I By Individuals Common Stock 110836 I By Family Limited Partnership Includes 31 shares acquired under the Universal Display Corporation Employee Stock Purchase Plan on June 30, 2016. Includes 37 shares acquired under the Universal Display Corporation Employee Stock Purchase Plan on September 30, 2016. Includes 38 shares acquired under the Universal Display Corporation Employee Stock Purchase Plan on December 31, 2016. These shares are held by Mr. Rosenblatt's children and are being reported as beneficially owned by him. These shares are held by the Rosenblatt Family Limited Partnership, a limited partnership of which he is the sole general partner and he and his children are the sole limited partners. /s/ Sidney D. Rosenblatt 2017-02-14