ACORN ENERGY INC

CUSIP: 004848107 Class: COMMON STOCK

RHUMBLINE ADVISERS's Holding History (CIK: 0001115418)

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

Q1 2014
Shares 14,824 Value ($000) $50 Avg Close — Range —
Q4 2013
Shares 15,714 Value ($000) $64 Avg Close — Range —
Q3 2013
Shares 15,714 Value ($000) $93 Avg Close — Range —
Q2 2013
Shares 15,893 Value ($000) $134 Avg Close — Range —