COSTAR GROUP INC

Ticker: CSGP CUSIP: 22160N109 Class: EQTY

ICON ADVISERS INC/CO's Holding History (CIK: 0001058470)

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

Q3 2017

Shares 8,070 Value ($000) $2,165 Avg Close $27.75 Range $25.54 - $28.80

Q2 2017

Shares 10,170 Value ($000) $2,681 Avg Close $24.32 Range $20.14 - $26.88

Q1 2017

Shares 10,170 Value ($000) $2,107 Avg Close $20.32 Range $18.49 - $21.24

Q4 2016

Shares 10,170 Value ($000) $1,917 Avg Close $19.64 Range $17.92 - $22.44

Q3 2016

Shares 10,080 Value ($000) $2,183 Avg Close $21.29 Range $20.25 - $22.48

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2017	8,070	$2,165	$27.75	$25.54 - $28.80
Q2 2017	10,170	$2,681	$24.32	$20.14 - $26.88
Q1 2017	10,170	$2,107	$20.32	$18.49 - $21.24
Q4 2016	10,170	$1,917	$19.64	$17.92 - $22.44
Q3 2016	10,080	$2,183	$21.29	$20.25 - $22.48