ARENA PHARMACEUTICALS INC

CUSIP: 040047102 Class: COMMON STOCK

DIMENSIONAL FUND ADVISORS LP's Holding History (CIK: 0000354204)

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

Q3 2013
Shares 400 Value ($000) $2 Avg Close — Range —
Q2 2013
Shares 1,200 Value ($000) $9 Avg Close — Range —