CRH MEDICAL CORP

CUSIP: 12626F105 Class: COM

GREAT WEST LIFE ASSURANCE CO /CAN/'s Holding History (CIK: 0001046192)

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

Q3 2017
Shares 7,741 Value ($000) $18 Avg Close — Range —
Q2 2017
Shares 700,973 Value ($000) $3,980 Avg Close — Range —
Q1 2017
Shares 662,132 Value ($000) $5,412 Avg Close — Range —
Q4 2016
Shares 875,832 Value ($000) $4,686 Avg Close — Range —