ARDAGH METAL PACKAGING S A

Ticker: AMBP CUSIP: L02235106 Class: Foreign Stock

Mountaineer Partners Management, LLC's Holding History (CIK: 0001730532)

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

Q4 2025

Shares 1,469,480 Value ($000) $6,025 Avg Close $3.79 Range $3.29 - $4.26

Q3 2025

Shares 1,538,484 Value ($000) $6,139 Avg Close $3.93 Range $3.42 - $4.66

Q2 2025

Shares 1,538,484 Value ($000) $6,585 Avg Close $3.50 Range $2.39 - $4.25

Q1 2025

Shares 1,057,720 Value ($000) $3,194 Avg Close $2.58 Range $2.28 - $2.93

Q4 2024

Shares 1,057,720 Value ($000) $3,184 Avg Close $3.22 Range $2.68 - $3.79

Q4 2021

Shares 1,093,383 Value ($000) $9,874 Avg Close $6.50 Range $5.72 - $7.09

Q3 2021

Shares 1,053,489 Value ($000) $10,493 Avg Close $7.46 Range $6.71 - $8.49

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	1,469,480	$6,025	$3.79	$3.29 - $4.26
Q3 2025	1,538,484	$6,139	$3.93	$3.42 - $4.66
Q2 2025	1,538,484	$6,585	$3.50	$2.39 - $4.25
Q1 2025	1,057,720	$3,194	$2.58	$2.28 - $2.93
Q4 2024	1,057,720	$3,184	$3.22	$2.68 - $3.79
Q4 2021	1,093,383	$9,874	$6.50	$5.72 - $7.09
Q3 2021	1,053,489	$10,493	$7.46	$6.71 - $8.49