ZS PHARMA INC

CUSIP: 98979G105 Class: Cmn

ProShare Advisors LLC's Holding History (CIK: 0001357955)

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

Q3 2015

Shares 20,889 Value ($000) $1,372 Avg Close — Range —

Q2 2015

Shares 22,261 Value ($000) $1,166 Avg Close — Range —

Q1 2015

Shares 18,093 Value ($000) $761 Avg Close — Range —

Q4 2014

Shares 15,251 Value ($000) $634 Avg Close — Range —

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2015	20,889	$1,372	—	—
Q2 2015	22,261	$1,166	—	—
Q1 2015	18,093	$761	—	—
Q4 2014	15,251	$634	—	—