INSITUFORM TECHNOLOGIES INC

CUSIP: 457667103 Class: Common

HUNTINGTON NATIONAL BANK's Holding History (CIK: 0000049205)

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

Q3 2011
Shares 1,000 Value ($000) $12 Avg Close — Range —
Q2 2011
Shares 1,000 Value ($000) $21 Avg Close — Range —
Q1 2011
Shares 1,000 Value ($000) $27 Avg Close — Range —
Q4 2010
Shares 1,000 Value ($000) $27 Avg Close — Range —
Q3 2010
Shares 2,000 Value ($000) $48 Avg Close — Range —
Q2 2010
Shares 2,000 Value ($000) $41 Avg Close — Range —
Q1 2010
Shares 2,469 Value ($000) $66 Avg Close — Range —
Q4 2009
Shares 3,040 Value ($000) $69 Avg Close — Range —
Q3 2009
Shares 3,040 Value ($000) $58 Avg Close — Range —
Q2 2009
Shares 3,040 Value ($000) $52 Avg Close — Range —
Q1 2009
Shares 3,002 Value ($000) $47 Avg Close — Range —