RECEPTOS INC

CUSIP: 756207106 Class: COMMON STOCK

Alyeska Investment Group, L.P.'s Holding History (CIK: 0001453072)

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

Q2 2015

Shares 105,637 Value ($000) $20,076 Avg Close — Range —

Q1 2015

Shares 43,557 Value ($000) $7,182 Avg Close — Range —

Q4 2014

Shares 38,229 Value ($000) $4,683 Avg Close — Range —

Q2 2014

Shares 27,500 Value ($000) $1,172 Avg Close — Range —

Q2 2013

Shares 60,054 Value ($000) $1,194 Avg Close — Range —

Period	Shares	Value ($000)	Average Close	Price Range
Q2 2015	105,637	$20,076	—	—
Q1 2015	43,557	$7,182	—	—
Q4 2014	38,229	$4,683	—	—
Q2 2014	27,500	$1,172	—	—
Q2 2013	60,054	$1,194	—	—