X0306 4 2015-09-10 0001005284 UNIVERSAL DISPLAY CORP \PA\ OLED 0001553052 Premutico Mauro C/O UNIVERSAL DISPLAY CORPORATION 375 PHILLIPS BLVD. EWING NJ 08618 0 1 0 0 VP, Legal & GM, Licensing Common Stock 2015-09-10 4 A 0 75000 0 A 121959 D These shares are subject to a vesting restriction, vesting in four equal installments on April 16 of each year from 2018 through 2021, provided that Mr. Premutico remains an employee of the Company at such time. The shares may not be sold or otherwise disposed of by Mr. Premutico until one year after the applicable vesting date. Includes 129 shares acquired under the Universal Display Corporation Employee Stock Purchase Plan on June 30, 2015. /s/ Mauro Premutico 2015-09-11