B RILEY PRINCIPAL 150 MERGER

CUSIP: 05601V103 Class: COM CL A

Tower Research Capital LLC (TRC)'s Holding History (CIK: 0001533421)

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

Q2 2022
Shares 2,966 Value ($000) $29 Avg Close — Range —
Q1 2022
Shares 2,571 Value ($000) $26 Avg Close — Range —
Q4 2021
Shares 1,270 Value ($000) $13 Avg Close — Range —