UNIVERSAL DISPLAY CORP

Ticker: OLED CUSIP: 91347P105 Class: Common Stock

Electron Capital Partners, LLC's Holding History (CIK: 0001586986)

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

Q1 2018

Shares 67,188 Value ($000) $6,786 Avg Close $142.53 Range $93.92 - $198.16

Q4 2017

Shares 44,051 Value ($000) $7,605 Avg Close $151.14 Range $118.83 - $182.72

Q3 2017

Shares 55,458 Value ($000) $7,146 Avg Close $114.67 Range $101.50 - $137.74

Q2 2017

Shares 77,837 Value ($000) $8,504 Avg Close $99.76 Range $76.56 - $123.79

Q1 2017

Shares 74,203 Value ($000) $6,389 Avg Close $68.17 Range $53.18 - $85.23

Q4 2016

Shares 52,062 Value ($000) $2,931 Avg Close $52.08 Range $45.35 - $60.85

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2018	67,188	$6,786	$142.53	$93.92 - $198.16
Q4 2017	44,051	$7,605	$151.14	$118.83 - $182.72
Q3 2017	55,458	$7,146	$114.67	$101.50 - $137.74
Q2 2017	77,837	$8,504	$99.76	$76.56 - $123.79
Q1 2017	74,203	$6,389	$68.17	$53.18 - $85.23
Q4 2016	52,062	$2,931	$52.08	$45.35 - $60.85