RETROPHIN INC

CUSIP: 761299106 Class: COM

FOX RUN MANAGEMENT, L.L.C.'s Holding History (CIK: 0001533457)

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

Q4 2017
Shares 17,482 Value ($000) $368 Avg Close — Range —
Q2 2017
Shares 12,700 Value ($000) $246 Avg Close — Range —
Q4 2015
Shares 16,800 Value ($000) $324 Avg Close — Range —