BIOLASE INC

CUSIP: 090911108 Class: COMMON STOCK

ESSEX INVESTMENT MANAGEMENT CO LLC's Holding History (CIK: 0000201772)

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

Q1 2015
Shares 20,632 Value ($000) $42 Avg Close — Range —
Q4 2014
Shares 23,803 Value ($000) $63 Avg Close — Range —
Q3 2014
Shares 26,700 Value ($000) $66 Avg Close — Range —