ROCK CREEK PHARMACEUTICALS I

CUSIP: 772081204 Class: COMMON STOCK

SIMPLEX TRADING, LLC's Holding History (CIK: 0001488542)

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

Q4 2015
Shares 72 Value ($000) $0 Avg Close — Range —
Q3 2015
Shares 72 Value ($000) $0 Avg Close — Range —
Q2 2015
Shares 5,546 Value ($000) $8 Avg Close — Range —