MAXWELL TECHNOLOGIES INC

CUSIP: 577767106 Class: COMMON STOCK

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

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

Q4 2013
Shares 14,185 Value ($000) $110 Avg Close — Range —
Q3 2013
Shares 14,185 Value ($000) $129 Avg Close — Range —