CRH MEDICAL CORP

CUSIP: 12626F105 Class: COM

Swiss National Bank's Holding History (CIK: 0001582202)

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

Q3 2017
Shares 124,500 Value ($000) $324 Avg Close — Range —
Q2 2017
Shares 124,500 Value ($000) $709 Avg Close — Range —