CRISPR THERAPEUTICS AG

Ticker: CRSP CUSIP: H17182108 Class: NAMEN AKT

ONTARIO TEACHERS PENSION PLAN BOARD's Holding History (CIK: 0000937567)

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

Q3 2019

Shares 320,845 Value ($000) $13,151 Avg Close $47.78 Range $40.70 - $53.90

Q2 2019

Shares 320,845 Value ($000) $15,112 Avg Close $39.97 Range $34.91 - $48.30

Q1 2019

Shares 580,945 Value ($000) $20,751 Avg Close $34.57 Range $27.15 - $42.03

Q4 2018

Shares 580,945 Value ($000) $16,598 Avg Close $34.76 Range $22.22 - $44.60

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2019	320,845	$13,151	$47.78	$40.70 - $53.90
Q2 2019	320,845	$15,112	$39.97	$34.91 - $48.30
Q1 2019	580,945	$20,751	$34.57	$27.15 - $42.03
Q4 2018	580,945	$16,598	$34.76	$22.22 - $44.60