COSTAR GROUP INC

Ticker: CSGP CUSIP: 22160N109 Class: EQTY

Calamos Wealth Management LLC's Holding History (CIK: 0001455258)

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

Q2 2016

Shares 1,296 Value ($000) $283 Avg Close $19.77 Range $17.45 - $21.88

Q1 2016

Shares 5,475 Value ($000) $1,030 Avg Close $17.71 Range $14.65 - $20.50

Q4 2015

Shares 6,399 Value ($000) $1,323 Avg Close $19.90 Range $16.80 - $21.35

Q3 2015

Shares 7,279 Value ($000) $1,260 Avg Close $19.15 Range $16.35 - $22.35

Q2 2015

Shares 3,330 Value ($000) $670 Avg Close $20.39 Range $19.23 - $21.67

Period	Shares	Value ($000)	Average Close	Price Range
Q2 2016	1,296	$283	$19.77	$17.45 - $21.88
Q1 2016	5,475	$1,030	$17.71	$14.65 - $20.50
Q4 2015	6,399	$1,323	$19.90	$16.80 - $21.35
Q3 2015	7,279	$1,260	$19.15	$16.35 - $22.35
Q2 2015	3,330	$670	$20.39	$19.23 - $21.67