SLEEP NUMBER CORP

Ticker: SNBR CUSIP: 83125X103 Class: Common Stock

CASTLEARK MANAGEMENT LLC's Holding History (CIK: 0001106832)

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

Q4 2018

Shares 123,457 Value ($000) $3,917 Avg Close $35.49 Range $30.44 - $41.05

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2018	123,457	$3,917	$35.49	$30.44 - $41.05