RECEPTOS INC

CUSIP: 756207106 Class: COMMON STOCK

LOOMIS SAYLES & CO L P's Holding History (CIK: 0000312348)

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

Q2 2015
Shares 101,674 Value ($000) $19,324 Avg Close — Range —
Q1 2015
Shares 103,446 Value ($000) $17,057 Avg Close — Range —
Q4 2014
Shares 120,872 Value ($000) $14,808 Avg Close — Range —
Q3 2014
Shares 212,862 Value ($000) $13,221 Avg Close — Range —