MERRIMACK PHARMACEUTICALS IN

CUSIP: 590328100 Class: CMN

TOCQUEVILLE ASSET MANAGEMENT L.P.'s Holding History (CIK: 0000883961)

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

Q3 2015
Shares 11,500 Value ($000) $98 Avg Close — Range —
Q2 2015
Shares 81,500 Value ($000) $1,008 Avg Close — Range —
Q1 2015
Shares 88,000 Value ($000) $1,045 Avg Close — Range —
Q4 2014
Shares 90,000 Value ($000) $1,017 Avg Close — Range —
Q3 2014
Shares 60,000 Value ($000) $527 Avg Close — Range —
Q2 2014
Shares 107,600 Value ($000) $784 Avg Close — Range —
Q1 2014
Shares 62,000 Value ($000) $312 Avg Close — Range —
Q4 2013
Shares 35,000 Value ($000) $187 Avg Close — Range —
Q2 2013
Shares 49,550 Value ($000) $334 Avg Close — Range —