RETROPHIN INC

CUSIP: 761299106 Class: COM

NEXT CENTURY GROWTH INVESTORS LLC's Holding History (CIK: 0001134007)

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

Q3 2015
Shares 142,450 Value ($000) $2,886 Avg Close — Range —
Q2 2015
Shares 170,372 Value ($000) $5,647 Avg Close — Range —
Q1 2015
Shares 154,706 Value ($000) $3,706 Avg Close — Range —