AVALANCHE BIOTECHNOLOGIES IN

CUSIP: 05337G107 Class: COM

PRICE T ROWE ASSOCIATES INC /MD/'s Holding History (CIK: 0000080255)

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

Q1 2015
Shares 526,580 Value ($000) $21,337 Avg Close — Range —
Q4 2014
Shares 1,025,450 Value ($000) $53,653 Avg Close — Range —
Q3 2014
Shares 1,032,750 Value ($000) $34,220 Avg Close — Range —