VALARIS PLC

Ticker: VALPQ CUSIP: G9402V109 Class: SHS CLASS A

CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM's Holding History (CIK: 0001081019)

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

Q2 2020

Shares 156,771 Value ($000) $102 Avg Close — Range —

Q1 2020

Shares 49,142 Value ($000) $22 Avg Close — Range —

Q4 2019

Shares 41,824 Value ($000) $274 Avg Close — Range —

Q3 2019

Shares 31,206 Value ($000) $150 Avg Close — Range —

Period	Shares	Value ($000)	Average Close	Price Range
Q2 2020	156,771	$102	—	—
Q1 2020	49,142	$22	—	—
Q4 2019	41,824	$274	—	—
Q3 2019	31,206	$150	—	—