ELECSYS CORP

CUSIP: 28473M100 Class: COM

DIMENSIONAL FUND ADVISORS LP's Holding History (CIK: 0000354204)

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

Q4 2014
Shares 61,720 Value ($000) $1,075 Avg Close — Range —
Q3 2014
Shares 61,720 Value ($000) $675 Avg Close — Range —
Q2 2014
Shares 62,220 Value ($000) $752 Avg Close — Range —
Q1 2014
Shares 62,220 Value ($000) $835 Avg Close — Range —
Q4 2013
Shares 62,220 Value ($000) $816 Avg Close — Range —
Q3 2013
Shares 62,220 Value ($000) $480 Avg Close — Range —
Q2 2013
Shares 63,420 Value ($000) $431 Avg Close — Range —