NATURAL GAS SERVICES GROUP

Ticker: NGS CUSIP: 63886Q109 Class: Common Stock

SIERRA OCEAN, LLC's Holding History (CIK: 0002051715)

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

Q2 2025

Shares 46 Value ($000) $1 Avg Close $22.21 Range $16.55 - $27.54

Q1 2025

Shares 46 Value ($000) $1 Avg Close $25.04 Range $20.01 - $29.42

Period	Shares	Value ($000)	Average Close	Price Range
Q2 2025	46	$1	$22.21	$16.55 - $27.54
Q1 2025	46	$1	$25.04	$20.01 - $29.42