ACORN ENERGY INC

CUSIP: 004848107 Class: COMMON STOCK

NORTHERN TRUST CORP's Holding History (CIK: 0000073124)

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

Q2 2015
Shares 34,216 Value ($000) $15 Avg Close — Range —
Q1 2015
Shares 39,468 Value ($000) $20 Avg Close — Range —
Q4 2014
Shares 40,505 Value ($000) $31 Avg Close — Range —
Q3 2014
Shares 42,210 Value ($000) $65 Avg Close — Range —
Q2 2014
Shares 202,000 Value ($000) $477 Avg Close — Range —
Q1 2014
Shares 238,416 Value ($000) $809 Avg Close — Range —
Q4 2013
Shares 256,663 Value ($000) $1,045 Avg Close — Range —
Q3 2013
Shares 241,606 Value ($000) $1,425 Avg Close — Range —
Q2 2013
Shares 243,508 Value ($000) $2,055 Avg Close — Range —