CASTLE BIOSCIENCES INC

Ticker: CSTL CUSIP: 14843C105 Class: Common Stock

Zimmer Partners, LP's Holding History (CIK: 0001565854)

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

Q4 2019

Shares 51,000 Value ($000) $1,753 Avg Close $24.45 Range $15.26 - $39.77

Q3 2019

Shares 51,000 Value ($000) $923 Avg Close $22.17 Range $17.10 - $28.50

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2019	51,000	$1,753	$24.45	$15.26 - $39.77
Q3 2019	51,000	$923	$22.17	$17.10 - $28.50