YELLOWSTONE ACQUISITION CO

CUSIP: 98566K113 Class: *W EXP 10/21/202

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 102,562 Value ($000) $85,000 Avg Close — Range —
Q3 2021
Shares 124,996 Value ($000) $116,000 Avg Close — Range —
Q2 2021
Shares 124,996 Value ($000) $103,000 Avg Close — Range —
Q1 2021
Shares 124,996 Value ($000) $106,000 Avg Close — Range —