ARATANA THERAPEUTICS INC

CUSIP: 03874P101 Class: COM

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

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

Q3 2017
Shares 26,200 Value ($000) $161 Avg Close — Range —
Q2 2017
Shares 13,500 Value ($000) $98 Avg Close — Range —
Q1 2017
Shares 10,400 Value ($000) $55 Avg Close — Range —
Q4 2016
Shares 10,400 Value ($000) $75 Avg Close — Range —
Q3 2016
Shares 10,400 Value ($000) $97 Avg Close — Range —
Q2 2016
Shares 102,601 Value ($000) $648 Avg Close — Range —
Q1 2016
Shares 102,601 Value ($000) $566 Avg Close — Range —
Q4 2015
Shares 102,601 Value ($000) $573 Avg Close — Range —
Q3 2015
Shares 102,501 Value ($000) $867 Avg Close — Range —