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CUSIP: 629491101 Class: COM

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

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

Q3 2013
Shares 291,444 Value ($000) $12,235 Avg Close — Range —
Q2 2013
Shares 294,205 Value ($000) $12,180 Avg Close — Range —