UNIVERSAL DISPLAY CORP \PA\ — Director's Dealing 2020

Apr 9, 2020

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: UNIVERSAL DISPLAY CORP \PA\ (OLED)
CIK: 0001005284
Period of Report: 2020-04-07

Reporting Person: Mahon Janice K (VP of Tech Commercialization)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2020-04-07	Common Stock	A	1184	—	Acquired	38202	Direct
2020-04-07	Common Stock	F	605	$134.75	Disposed	37597	Direct

Footnotes

F1: These shares were granted to Ms. Mahon as performance units under the Company's Long Term Incentive Plan as part of her 2017 compensation and vested subject to the satisfaction of certain performance conditions, which our Compensation Committee certified on April 7, 2020 as having occurred.

F2: Includes 24 shares acquired under the Universal Display Corporation Employee Stock Purchase Plan on March 31, 2020.

F3: These shares were withheld to satisfy a tax liability in connection with the vesting on April 7, 2020 of 1,184 shares of restricted stock previously granted to Ms. Mahon.