ZS PHARMA INC

CUSIP: 98979G105 Class: Cmn

LOOMIS SAYLES & CO L P's Holding History (CIK: 0000312348)

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

Q3 2015
Shares 194,709 Value ($000) $12,784 Avg Close — Range —
Q2 2015
Shares 291,210 Value ($000) $15,257 Avg Close — Range —
Q1 2015
Shares 243,315 Value ($000) $10,239 Avg Close — Range —