KYTHERA BIOPHARMACEUTICALS I

CUSIP: 501570105 Class: COM

Rock Springs Capital Management LP's Holding History (CIK: 0001595725)

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

Q2 2015
Shares 139,250 Value ($000) $10,487 Avg Close — Range —
Q1 2015
Shares 115,000 Value ($000) $5,767 Avg Close — Range —