QUARTERHILL INC

Ticker: QTRHF CUSIP: 747713105 Class: COM

Pembroke Management, LTD's Holding History (CIK: 0001063497)

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

Q1 2018

Shares 1,762,300 Value ($000) $3,296 Avg Close $1.68 Range $1.45 - $1.98

Q4 2017

Shares 1,563,600 Value ($000) $3,627 Avg Close $1.75 Range $1.41 - $2.12

Q3 2017

Shares 1,462,600 Value ($000) $2,399 Avg Close $1.38 Range $1.26 - $1.50

Q2 2017

Shares 1,462,600 Value ($000) $2,735 Avg Close $1.65 Range $1.36 - $2.20

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2018	1,762,300	$3,296	$1.68	$1.45 - $1.98
Q4 2017	1,563,600	$3,627	$1.75	$1.41 - $2.12
Q3 2017	1,462,600	$2,399	$1.38	$1.26 - $1.50
Q2 2017	1,462,600	$2,735	$1.65	$1.36 - $2.20