OIL STS INTL INC

Ticker: OIS CUSIP: 678026105 Class: Common Stock

Nuveen, LLC's Holding History (CIK: 0001871926)

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

Q4 2025

Shares 206,772 Value ($000) $1,400 Avg Close $6.42 Range $5.50 - $7.19

Q3 2025

Shares 500,815 Value ($000) $3,035 Avg Close $5.48 Range $4.75 - $6.42

Q2 2025

Shares 885,072 Value ($000) $4,744 Avg Close $4.42 Range $3.08 - $5.81

Q1 2025

Shares 264,071 Value ($000) $1,360 Avg Close $5.25 Range $4.64 - $5.86

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	206,772	$1,400	$6.42	$5.50 - $7.19
Q3 2025	500,815	$3,035	$5.48	$4.75 - $6.42
Q2 2025	885,072	$4,744	$4.42	$3.08 - $5.81
Q1 2025	264,071	$1,360	$5.25	$4.64 - $5.86