COSTAR GROUP INC

Ticker: CSGP CUSIP: 22160N109 Class: EQTY

Caledonia (Private) Investments Pty Ltd's Holding History (CIK: 0001352924)

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

Q1 2019

Shares 84,021 Value ($000) $39,189 Avg Close $41.31 Range $32.51 - $48.49

Q4 2018

Shares 84,021 Value ($000) $28,344 Avg Close $36.53 Range $31.59 - $42.50

Q3 2018

Shares 84,021 Value ($000) $35,359 Avg Close $42.74 Range $39.71 - $44.84

Q2 2018

Shares 84,021 Value ($000) $34,670 Avg Close $38.48 Range $34.22 - $42.25

Q1 2018

Shares 84,021 Value ($000) $30,473 Avg Close $34.47 Range $29.54 - $37.86

Q4 2017

Shares 88,482 Value ($000) $26,274 Avg Close $29.30 Range $26.56 - $31.47

Q3 2017

Shares 85,000 Value ($000) $22,801 Avg Close $27.75 Range $25.54 - $28.80

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2019	84,021	$39,189	$41.31	$32.51 - $48.49
Q4 2018	84,021	$28,344	$36.53	$31.59 - $42.50
Q3 2018	84,021	$35,359	$42.74	$39.71 - $44.84
Q2 2018	84,021	$34,670	$38.48	$34.22 - $42.25
Q1 2018	84,021	$30,473	$34.47	$29.54 - $37.86
Q4 2017	88,482	$26,274	$29.30	$26.56 - $31.47
Q3 2017	85,000	$22,801	$27.75	$25.54 - $28.80