ZS PHARMA INC

CUSIP: 98979G105 Class: Cmn

PFM Health Sciences, LP's Holding History (CIK: 0001442756)

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

Q2 2015
Shares 451,071 Value ($000) $23,632 Avg Close — Range —
Q1 2015
Shares 884,575 Value ($000) $37,223 Avg Close — Range —
Q4 2014
Shares 500,949 Value ($000) $20,824 Avg Close — Range —
Q3 2014
Shares 729,044 Value ($000) $28,600 Avg Close — Range —