COSTAR GROUP INC

Ticker: CSGP CUSIP: 22160N109 Class: EQTY

American Assets Investment Management, LLC's Holding History (CIK: 0001389256)

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

Q4 2021

Shares 4,563 Value ($000) $361 Avg Close $83.91 Range $75.09 - $101.05

Q3 2021

Shares 5,750 Value ($000) $495 Avg Close $86.44 Range $80.00 - $90.85

Q1 2021

Shares 750 Value ($000) $616 Avg Close $86.33 Range $74.31 - $95.28

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2021	4,563	$361	$83.91	$75.09 - $101.05
Q3 2021	5,750	$495	$86.44	$80.00 - $90.85
Q1 2021	750	$616	$86.33	$74.31 - $95.28