ARENA PHARMACEUTICALS INC

CUSIP: 040047102 Class: COMMON STOCK

CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM's Holding History (CIK: 0001081019)

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

Q1 2017
Shares 482,962 Value ($000) $705 Avg Close — Range —
Q4 2016
Shares 504,662 Value ($000) $717 Avg Close — Range —
Q3 2016
Shares 518,962 Value ($000) $908 Avg Close — Range —
Q2 2016
Shares 514,162 Value ($000) $879 Avg Close — Range —
Q1 2016
Shares 512,737 Value ($000) $1,010 Avg Close — Range —
Q4 2015
Shares 448,544 Value ($000) $852 Avg Close — Range —
Q3 2015
Shares 440,564 Value ($000) $841 Avg Close — Range —
Q2 2015
Shares 442,264 Value ($000) $2,052 Avg Close — Range —
Q1 2015
Shares 442,243 Value ($000) $1,933 Avg Close — Range —
Q4 2014
Shares 407,243 Value ($000) $1,413 Avg Close — Range —
Q3 2014
Shares 405,510 Value ($000) $1,699 Avg Close — Range —
Q2 2014
Shares 401,008 Value ($000) $2,350 Avg Close — Range —
Q1 2014
Shares 395,808 Value ($000) $2,494 Avg Close — Range —
Q4 2013
Shares 394,108 Value ($000) $2,306 Avg Close — Range —
Q3 2013
Shares 391,608 Value ($000) $2,064 Avg Close — Range —
Q2 2013
Shares 379,493 Value ($000) $2,922 Avg Close — Range —
Q1 2013
Shares 376,970 Value ($000) $3,095 Avg Close — Range —