KLX ENERGY SERVICS HOLDNGS I

CUSIP: 48253L106 Class: COM

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

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

Q4 2019
Shares 1,197 Value ($000) $8 Avg Close — Range —
Q3 2019
Shares 65,519 Value ($000) $566 Avg Close — Range —