METABOLIX INC

CUSIP: 591018809 Class: CMN

Tower Research Capital LLC (TRC)'s Holding History (CIK: 0001533421)

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

Q4 2013
Shares 2,000 Value ($000) $3 Avg Close — Range —
Q3 2013
Shares 1,761 Value ($000) $2 Avg Close — Range —
Q2 2013
Shares 4,188 Value ($000) $6 Avg Close — Range —