COSTAR GROUP INC

Ticker: CSGP CUSIP: 22160N109 Class: EQTY

Shellback Capital, LP's Holding History (CIK: 0001591744)

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

Q4 2017

Shares 52,957 Value ($000) $15,726 Avg Close $29.30 Range $26.56 - $31.47

Q2 2017

Shares 9,481 Value ($000) $2,499 Avg Close $24.32 Range $20.14 - $26.88

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2017	52,957	$15,726	$29.30	$26.56 - $31.47
Q2 2017	9,481	$2,499	$24.32	$20.14 - $26.88