MASON INDUSTRIAL TECHNOLGY I

CUSIP: 57520Y114 Class: *W EXP 99/99/999

OCONNOR, A Distinct Business Unit of UBS ASSET MANAGEMENT AM's Holding History (CIK: 0001132716)

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

Q4 2021
Shares 239,754 Value ($000) $155,000 Avg Close — Range —
Q3 2021
Shares 233,324 Value ($000) $167,000 Avg Close — Range —
Q2 2021
Shares 233,324 Value ($000) $214,000 Avg Close — Range —