KYTHERA BIOPHARMACEUTICALS I

CUSIP: 501570105 Class: COM

GROUP ONE TRADING, L.P.'s Holding History (CIK: 0000932540)

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

Q3 2015
Shares 7,719 Value ($000) $579 Avg Close — Range —
Q1 2015
Shares 2,480 Value ($000) $124 Avg Close — Range —
Q4 2014
Shares 1,329 Value ($000) $46 Avg Close — Range —
Q3 2014
Shares 297 Value ($000) $10 Avg Close — Range —
Q2 2014
Shares 87 Value ($000) $3 Avg Close — Range —