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

Dec 16, 2020

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: UNIVERSAL DISPLAY CORP \PA\ (OLED)
CIK: 0001005284
Period of Report: 2020-12-14

Reporting Person: ROSENBLATT SIDNEY D (Director, EVP and CFO)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2020-10-22	Common Stock	G	2800	$0.00	Disposed	147932	Direct
2020-12-14	Common Stock	S	10233	$232.08	Disposed	40123	Indirect
2020-12-14	Common Stock	S	27193	$233.13	Disposed	12930	Indirect
2020-12-14	Common Stock	S	11856	$233.96	Disposed	1074	Indirect
2020-12-14	Common Stock	S	1074	$234.80	Disposed	0	Indirect

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	97416	Indirect
Common Stock	13000	Indirect

Footnotes

F1: Includes 15 shares acquired under the Universal Display Corporation Employee Stock Purchase Plan on September 30, 2020.

F2: These shares were sold pursuant to a Rule 10b5-1 Non-Discretionary Trading Plan previously entered into by the Rosenblatt Family Limited Partnership.

F3: Represents the weighted average of a range of sale prices from $231.50 to $232.50. The reporting person undertakes to provide to the Staff of 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.

F4: These shares are held by the Rosenblatt Family Limited Partnership, a limited partnership of which Mr. Rosenblatt is the sole general partner and he and his children are the sole limited partners.

F5: Represents the weighted average of a range of sale prices from $232.61 to $233.61. The reporting person undertakes to provide to the Staff of 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.

F6: Represents the weighted average of a range of sale prices from $233.62 to $234.50. The reporting person undertakes to provide to the Staff of 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.

F7: Represents the weighted average of a range of sale prices from $234.73 to $235.15. The reporting person undertakes to provide to the Staff of 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.

F8: These shares are held by Mr. Rosenblatt's spouse and are being reported as beneficially owned by him.