CROWN CASTLE INTL CORP

CUSIP: 228227500 Class: CVPFD 4.5% 11/01/2016

CAMDEN ASSET MANAGEMENT L P /CA's Holding History (CIK: 0000903944)

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

Q3 2014
Shares 306,497 Value ($000) $32,220 Avg Close — Range —
Q2 2014
Shares 141,437 Value ($000) $14,391 Avg Close — Range —
Q1 2014
Shares 277,956 Value ($000) $28,195 Avg Close — Range —
Q4 2013
Shares 596,117 Value ($000) $59,835 Avg Close — Range —