DIRTT ENVIRONMENTAL SOLUTION

Ticker: DRTTF CUSIP: 25490H106 Class: FGC

Zurcher Kantonalbank (Zurich Cantonalbank)'s Holding History (CIK: 0001368163)

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

Q2 2020

Shares 202,321 Value ($000) $246 Avg Close $1.20 Range $0.83 - $1.78

Q1 2020

Shares 547,320 Value ($000) $546 Avg Close $2.29 Range $0.71 - $3.48

Q4 2019

Shares 1,139,101 Value ($000) $3,733 Avg Close $3.80 Range $3.01 - $4.96

Period	Shares	Value ($000)	Average Close	Price Range
Q2 2020	202,321	$246	$1.20	$0.83 - $1.78
Q1 2020	547,320	$546	$2.29	$0.71 - $3.48
Q4 2019	1,139,101	$3,733	$3.80	$3.01 - $4.96