AVALANCHE BIOTECHNOLOGIES IN

CUSIP: 05337G107 Class: COM

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

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

Q2 2015
Shares 17,503 Value ($000) $285 Avg Close — Range —
Q1 2015
Shares 26,900 Value ($000) $1,091 Avg Close — Range —
Q4 2014
Shares 26,900 Value ($000) $1,453 Avg Close — Range —