PROTEOSTASIS THERAPEUTICS IN

CUSIP: 74373B109 Class: COM

BANK OF MONTREAL /CAN/'s Holding History (CIK: 0000927971)

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

Q2 2019
Shares 15,051 Value ($000) $15 Avg Close — Range —
Q1 2019
Shares 15,002 Value ($000) $19 Avg Close — Range —
Q4 2018
Shares 15,486 Value ($000) $51 Avg Close — Range —
Q3 2018
Shares 177 Value ($000) $0 Avg Close — Range —
Q2 2018
Shares 179 Value ($000) $0 Avg Close — Range —