KYTHERA BIOPHARMACEUTICALS I

CUSIP: 501570105 Class: COM

RA CAPITAL MANAGEMENT, L.P.'s Holding History (CIK: 0001346824)

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

Q4 2014
Shares 22,750 Value ($000) $789 Avg Close — Range —
Q3 2014
Shares 22,750 Value ($000) $745 Avg Close — Range —