OIL STS INTL INC

Ticker: OIS CUSIP: 678026105 Class: Common Stock

Nierenberg Investment Management Company, Inc.'s Holding History (CIK: 0001282683)

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

Q4 2025

Shares 111,555 Value ($000) $755 Avg Close $6.42 Range $5.50 - $7.19

Q3 2025

Shares 111,555 Value ($000) $676 Avg Close $5.48 Range $4.75 - $6.42

Q2 2025

Shares 111,555 Value ($000) $598 Avg Close $4.42 Range $3.08 - $5.81

Q1 2025

Shares 111,555 Value ($000) $575 Avg Close $5.25 Range $4.64 - $5.86

Q4 2024

Shares 23,555 Value ($000) $119 Avg Close $4.98 Range $4.10 - $5.84

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	111,555	$755	$6.42	$5.50 - $7.19
Q3 2025	111,555	$676	$5.48	$4.75 - $6.42
Q2 2025	111,555	$598	$4.42	$3.08 - $5.81
Q1 2025	111,555	$575	$5.25	$4.64 - $5.86
Q4 2024	23,555	$119	$4.98	$4.10 - $5.84