UNIVERSAL DISPLAY CORP

Ticker: OLED CUSIP: 91347P105 Class: Common Stock

K2 PRINCIPAL FUND, L.P.'s Holding History (CIK: 0001461790)

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

Q2 2018

Shares 35,000 Value ($000) $3,010 Avg Close $90.46 Range $74.75 - $111.31

Q1 2018

Shares 65,500 Value ($000) $6,616 Avg Close $142.53 Range $93.92 - $198.16

Period	Shares	Value ($000)	Average Close	Price Range
Q2 2018	35,000	$3,010	$90.46	$74.75 - $111.31
Q1 2018	65,500	$6,616	$142.53	$93.92 - $198.16