ELECSYS CORP

CUSIP: 28473M100 Class: COM

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

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

Q4 2014
Shares 91 Value ($000) $2 Avg Close — Range —
Q3 2014
Shares 218 Value ($000) $2 Avg Close — Range —
Q2 2014
Shares 731 Value ($000) $9 Avg Close — Range —
Q1 2014
Shares 523 Value ($000) $7 Avg Close — Range —
Q3 2013
Shares 600 Value ($000) $5 Avg Close — Range —
Q2 2013
Shares 819 Value ($000) $6 Avg Close — Range —