MERRIMACK PHARMACEUTICALS IN

CUSIP: 590328100 Class: CMN

PRELUDE CAPITAL MANAGEMENT, LLC's Holding History (CIK: 0001387508)

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

Q1 2015
Shares 4,200 Value ($000) $50 Avg Close — Range —
Q4 2014
Shares 4,100 Value ($000) $46 Avg Close — Range —
Q3 2014
Shares 21,280 Value ($000) $187 Avg Close — Range —
Q2 2014
Shares 10,000 Value ($000) $73 Avg Close — Range —