OIL STS INTL INC

Ticker: OIS CUSIP: 678026105 Class: Common Stock

BlackRock, Inc.'s Holding History (CIK: 0002012383)

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

Q4 2025

Shares 6,657,813 Value ($000) $45,073 Avg Close $6.42 Range $5.50 - $7.19

Q3 2025

Shares 6,553,236 Value ($000) $39,713 Avg Close $5.48 Range $4.75 - $6.42

Q2 2025

Shares 6,763,238 Value ($000) $36,251 Avg Close $4.42 Range $3.08 - $5.81

Q1 2025

Shares 7,158,455 Value ($000) $36,866 Avg Close $5.25 Range $4.64 - $5.86

Q4 2024

Shares 7,355,567 Value ($000) $37,219 Avg Close $4.98 Range $4.10 - $5.84

Q3 2024

Shares 7,460,369 Value ($000) $34,318 Avg Close $4.79 Range $4.03 - $5.83

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	6,657,813	$45,073	$6.42	$5.50 - $7.19
Q3 2025	6,553,236	$39,713	$5.48	$4.75 - $6.42
Q2 2025	6,763,238	$36,251	$4.42	$3.08 - $5.81
Q1 2025	7,158,455	$36,866	$5.25	$4.64 - $5.86
Q4 2024	7,355,567	$37,219	$4.98	$4.10 - $5.84
Q3 2024	7,460,369	$34,318	$4.79	$4.03 - $5.83