BOSTON SCIENTIFIC CORP

CUSIP: 101137206 Class: 5.50% CNV PFD A

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

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

Q1 2023
Shares 5,600 Value ($000) $1 Avg Close — Range —
Q4 2022
Shares 9,400 Value ($000) $1 Avg Close — Range —
Q3 2022
Shares 8,900 Value ($000) $920 Avg Close — Range —
Q2 2022
Shares 7,800 Value ($000) $780 Avg Close — Range —
Q1 2022
Shares 7,800 Value ($000) $907 Avg Close — Range —
Q4 2021
Shares 7,800 Value ($000) $880 Avg Close — Range —
Q3 2020
Shares 2,500 Value ($000) $278 Avg Close — Range —
Q2 2020
Shares 2,500 Value ($000) $261 Avg Close — Range —