ISHARES TR

Ticker: IBB CUSIP: 464287556 Class: ISHARES BIOTECH

Casdin Capital, LLC's Holding History (CIK: 0001534261)

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

Q4 2018

Shares 60,000 Value ($000) $5,786 Avg Close — Range —

Q1 2018

Shares 95,000 Value ($000) $10,140 Avg Close — Range —

Q3 2016

Shares 5,000 Value ($000) $1,447 Avg Close — Range —

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2018	60,000	$5,786	—	—
Q1 2018	95,000	$10,140	—	—
Q3 2016	5,000	$1,447	—	—