RELYPSA INC

CUSIP: 759531106 Class: COM

RTW INVESTMENTS, LP's Holding History (CIK: 0001493215)

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

Q1 2015
Shares 31,872 Value ($000) $1,150 Avg Close — Range —
Q4 2014
Shares 450,239 Value ($000) $13,867 Avg Close — Range —