ACORN ENERGY INC

CUSIP: 004848107 Class: COMMON STOCK

BLAIR WILLIAM & CO/IL's Holding History (CIK: 0000902367)

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

Q3 2013
Shares 698,621 Value ($000) $4,122 Avg Close — Range —
Q2 2013
Shares 1,160,395 Value ($000) $9,794 Avg Close — Range —