ARENA PHARMACEUTICALS INC

CUSIP: 040047102 Class: COMMON STOCK

GROUP ONE TRADING, L.P.'s Holding History (CIK: 0000932540)

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

Q1 2017
Shares 345,735 Value ($000) $505 Avg Close — Range —
Q4 2016
Shares 516,553 Value ($000) $734 Avg Close — Range —