MAGNERA CORP

Ticker: MAGN CUSIP: 55939A107 Class: Common Stock

Madison Avenue Partners, LP's Holding History (CIK: 0001801265)

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

Q4 2025

Shares 1,780,649 Value ($000) $26,959 Avg Close $11.59 Range $7.82 - $15.52

Q3 2025

Shares 2,832,281 Value ($000) $33,194 Avg Close $12.42 Range $10.33 - $14.16

Q2 2025

Shares 3,344,005 Value ($000) $40,396 Avg Close $13.76 Range $11.43 - $18.61

Q1 2025

Shares 3,344,005 Value ($000) $60,727 Avg Close $19.44 Range $16.75 - $23.19

Q4 2024

Shares 3,406,293 Value ($000) $61,892 Avg Close $20.46 Range $17.09 - $26.78

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	1,780,649	$26,959	$11.59	$7.82 - $15.52
Q3 2025	2,832,281	$33,194	$12.42	$10.33 - $14.16
Q2 2025	3,344,005	$40,396	$13.76	$11.43 - $18.61
Q1 2025	3,344,005	$60,727	$19.44	$16.75 - $23.19
Q4 2024	3,406,293	$61,892	$20.46	$17.09 - $26.78