SUPERCONDUCTOR TECHNOLOGIES

CUSIP: 867931404 Class: COM PAR $0.001

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

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

Q4 2014
Shares 948 Value ($000) $3 Avg Close — Range —
Q3 2014
Shares 755 Value ($000) $2 Avg Close — Range —
Q2 2014
Shares 505 Value ($000) $1 Avg Close — Range —
Q1 2014
Shares 5,266 Value ($000) $15 Avg Close — Range —
Q4 2013
Shares 2,400 Value ($000) $5 Avg Close — Range —
Q2 2013
Shares 1,862 Value ($000) $6 Avg Close — Range —