ARENA PHARMACEUTICALS INC

CUSIP: 040047102 Class: COMMON STOCK

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

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

Q1 2017
Shares 147,300 Value ($000) $215 Avg Close — Range —
Q4 2016
Shares 147,300 Value ($000) $209 Avg Close — Range —
Q3 2016
Shares 52,300 Value ($000) $92 Avg Close — Range —
Q2 2016
Shares 52,300 Value ($000) $89 Avg Close — Range —
Q1 2016
Shares 52,300 Value ($000) $103 Avg Close — Range —
Q4 2015
Shares 52,300 Value ($000) $99 Avg Close — Range —
Q3 2015
Shares 121,000 Value ($000) $231 Avg Close — Range —
Q2 2015
Shares 121,000 Value ($000) $561 Avg Close — Range —
Q1 2015
Shares 95,400 Value ($000) $417 Avg Close — Range —
Q4 2014
Shares 79,100 Value ($000) $274 Avg Close — Range —
Q3 2014
Shares 62,600 Value ($000) $262 Avg Close — Range —
Q2 2014
Shares 62,600 Value ($000) $367 Avg Close — Range —
Q1 2014
Shares 55,600 Value ($000) $350 Avg Close — Range —
Q4 2013
Shares 55,600 Value ($000) $325 Avg Close — Range —
Q3 2013
Shares 82,000 Value ($000) $432 Avg Close — Range —
Q2 2013
Shares 97,700 Value ($000) $752 Avg Close — Range —