AMERICAN TOWER CORP NEW

CUSIP: 03027X308 Class: CNV PFD

ADVENT CAPITAL MANAGEMENT /DE/'s Holding History (CIK: 0001097278)

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

Q1 2016
Shares 55,000 Value ($000) $5,772 Avg Close — Range —
Q4 2015
Shares 55,000 Value ($000) $5,738 Avg Close — Range —
Q3 2015
Shares 55,000 Value ($000) $5,437 Avg Close — Range —
Q2 2015
Shares 55,000 Value ($000) $5,607 Avg Close — Range —
Q1 2015
Shares 177,134 Value ($000) $18,278 Avg Close — Range —
Q4 2014
Shares 168,500 Value ($000) $19,264 Avg Close — Range —
Q3 2014
Shares 219,300 Value ($000) $23,695 Avg Close — Range —
Q2 2014
Shares 219,300 Value ($000) $23,713 Avg Close — Range —