BIOLASE INC

CUSIP: 090911108 Class: COMMON STOCK

PRINCIPAL FINANCIAL GROUP INC's Holding History (CIK: 0001126328)

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

Q3 2013
Shares 14,240 Value ($000) $27 Avg Close — Range —
Q2 2013
Shares 15,099 Value ($000) $54 Avg Close — Range —