UNIVERSAL DISPLAY CORP

Ticker: OLED CUSIP: 91347P105 Class: Common Stock

ACADIAN ASSET MANAGEMENT LLC's Holding History (CIK: 0000916542)

Note: Option positions (PUT/CALL) are excluded.

Q4 2017

Shares 32 Value ($000) $6 Avg Close $151.14 Range $118.83 - $182.72

Q3 2017

Shares 32 Value ($000) $4 Avg Close $114.67 Range $101.50 - $137.74

Q1 2016

Shares 141 Value ($000) $8 Avg Close $46.29 Range $38.30 - $52.96

Q4 2015

Shares 102 Value ($000) $6 Avg Close $41.75 Range $30.75 - $54.87

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2017	32	$6	$151.14	$118.83 - $182.72
Q3 2017	32	$4	$114.67	$101.50 - $137.74
Q1 2016	141	$8	$46.29	$38.30 - $52.96
Q4 2015	102	$6	$41.75	$30.75 - $54.87