BIOLASE INC

CUSIP: 90911108 Class: EQUITY

GROUP ONE TRADING, L.P.'s Holding History (CIK: 0000932540)

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

Q3 2014
Shares 82,598 Value ($000) $206 Avg Close — Range —
Q4 2013
Shares 546 Value ($000) $2 Avg Close — Range —
Q3 2013
Shares 542 Value ($000) $1 Avg Close — Range —