CALAMOS CONV OPPORTUNITIES &

CUSIP: 128117108 Class: SH BEN INT

WEST CHESTER CAPITAL ADVISORS, INC's Holding History (CIK: 0001102062)

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

Q4 2015
Shares 33,274 Value ($000) $330 Avg Close — Range —
Q3 2015
Shares 34,512 Value ($000) $341 Avg Close — Range —
Q2 2015
Shares 232,765 Value ($000) $2,842 Avg Close — Range —
Q1 2015
Shares 257,307 Value ($000) $3,340 Avg Close — Range —
Q4 2014
Shares 272,327 Value ($000) $3,497 Avg Close — Range —
Q3 2014
Shares 22,000 Value ($000) $298 Avg Close — Range —
Q2 2014
Shares 219,233 Value ($000) $3,076 Avg Close — Range —
Q1 2014
Shares 132,089 Value ($000) $1,825 Avg Close — Range —