VALARIS PLC

Ticker: VALPQ CUSIP: G9402V109 Class: SHS CLASS A

MARSHALL WACE, LLP's Holding History (CIK: 0001318757)

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

Q3 2019

Shares 130,162 Value ($000) $626 Avg Close — Range —

Q2 2019

Shares 1,287,915 Value ($000) $10,986 Avg Close — Range —

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2019	130,162	$626	—	—
Q2 2019	1,287,915	$10,986	—	—