ROCK CREEK PHARMACEUTICALS I

CUSIP: 772081105 Class: COM

COMERICA BANK's Holding History (CIK: 0000901541)

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

Q1 2015
Shares 200,000 Value ($000) $20 Avg Close — Range —
Q4 2014
Shares 400,000 Value ($000) $72 Avg Close — Range —
Q3 2014
Shares 200,000 Value ($000) $56 Avg Close — Range —