ZS PHARMA INC

CUSIP: 98979G105 Class: Cmn

Swiss National Bank's Holding History (CIK: 0001582202)

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

Q3 2015
Shares 18,800 Value ($000) $1,234 Avg Close — Range —
Q2 2015
Shares 16,100 Value ($000) $843 Avg Close — Range —
Q1 2015
Shares 16,100 Value ($000) $677 Avg Close — Range —
Q4 2014
Shares 5,300 Value ($000) $220 Avg Close — Range —