ZS PHARMA INC

CUSIP: 98979G105 Class: Cmn

TWO SIGMA INVESTMENTS, LP's Holding History (CIK: 0001179392)

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

Q2 2015
Shares 44,645 Value ($000) $2,339 Avg Close — Range —
Q1 2015
Shares 13,252 Value ($000) $558 Avg Close — Range —
Q4 2014
Shares 10,290 Value ($000) $428 Avg Close — Range —