AMERICAN TOWER CORP NEW

CUSIP: 03027x100 Class: CS

GREAT LAKES ADVISORS, LLC's Holding History (CIK: 0001078013)

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

Q4 2013
Shares 9,837 Value ($000) $786 Avg Close — Range —
Q3 2013
Shares 15,210 Value ($000) $1,127 Avg Close — Range —
Q2 2013
Shares 12,235 Value ($000) $895 Avg Close — Range —