ADURO BIOTECH INC

CUSIP: 00739L101 Class: Common Stock

DRW Securities, LLC's Holding History (CIK: 0001481986)

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

Q1 2018
Shares 26,000 Value ($000) $242 Avg Close — Range —
Q4 2017
Shares 10,000 Value ($000) $75 Avg Close — Range —
Q3 2017
Shares 10,000 Value ($000) $107 Avg Close — Range —