NORTHERN TECHNOLOGIES INTL C

Ticker: NTIC CUSIP: 665809109 Class: Common Stock

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

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

Q1 2019

Shares 3,668 Value ($000) $98 Avg Close $13.10 Range $11.43 - $14.34

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2019	3,668	$98	$13.10	$11.43 - $14.34