B RILEY PRINCIPAL 150 MERGER

CUSIP: 05601V103 Class: COM CL A

Nantahala Capital Management, LLC's Holding History (CIK: 0001472322)

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

Q2 2022
Shares 297,727 Value ($000) $2,965 Avg Close — Range —
Q1 2022
Shares 301,786 Value ($000) $2,994 Avg Close — Range —
Q4 2021
Shares 349,649 Value ($000) $3,538 Avg Close — Range —