UNIVERSAL DISPLAY CORP \PA\ — Director's Dealing 2015

Jul 7, 2015

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: UNIVERSAL DISPLAY CORP \PA\ (OLED)
CIK: 0001005284
Period of Report: 2015-07-06

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

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2015-07-06	Common Stock	M	20000	$10.51	Acquired	68465	Direct
2015-07-06	Common Stock	S	20000	$51.07	Disposed	48465	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2015-07-06	Employee Stock Option (right to buy)	$10.51	M	20000	Disposed	2015-12-30	Common Stock (20000)	Direct

Footnotes

F1: These shares were sold pursuant to a Rule 10b5-1Non-Discretionary Trading Plan previously enter into by Ms. Mahon.

F2: Represents the weighted average of a range of sale prices per share from $50.00 to $51.86. The reporting person undertakes to provide to the Staff of the Securities and Exchange Commission, the Company or any shareholder of the Company, upon request, full information regarding the number of shares sold at each separate price.