UNIVERSAL DISPLAY CORP

Ticker: OLED CUSIP: 91347P105 Class: Common Stock

DRIEHAUS CAPITAL MANAGEMENT LLC's Holding History (CIK: 0000938206)

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

Q1 2021

Shares 4,000 Value ($000) $947 Avg Close $220.81 Range $172.23 - $251.14

Q4 2017

Shares 35,977 Value ($000) $6,211 Avg Close $151.14 Range $118.83 - $182.72

Q3 2017

Shares 11,660 Value ($000) $1,502 Avg Close $114.67 Range $101.50 - $137.74

Q2 2017

Shares 17,494 Value ($000) $1,911 Avg Close $99.76 Range $76.56 - $123.79

Q1 2017

Shares 13,244 Value ($000) $1,140 Avg Close $68.17 Range $53.18 - $85.23

Q2 2016

Shares 40,720 Value ($000) $2,761 Avg Close $58.21 Range $49.14 - $67.68

Q1 2016

Shares 26,841 Value ($000) $1,452 Avg Close $46.29 Range $38.30 - $52.96

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2021	4,000	$947	$220.81	$172.23 - $251.14
Q4 2017	35,977	$6,211	$151.14	$118.83 - $182.72
Q3 2017	11,660	$1,502	$114.67	$101.50 - $137.74
Q2 2017	17,494	$1,911	$99.76	$76.56 - $123.79
Q1 2017	13,244	$1,140	$68.17	$53.18 - $85.23
Q2 2016	40,720	$2,761	$58.21	$49.14 - $67.68
Q1 2016	26,841	$1,452	$46.29	$38.30 - $52.96