ALLEGHENY TECHNOLOGIES INC

Ticker: ATI CUSIP: 01741R102 Class: EQTY

DENDUR CAPITAL LP's Holding History (CIK: 0001782124)

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

Q4 2025

Shares 2,039,291 Value ($000) $234,029 Avg Close $97.45 Range $79.29 - $117.48

Q3 2025

Shares 2,689,160 Value ($000) $218,736 Avg Close $81.04 Range $70.42 - $96.20

Q2 2025

Shares 3,175,000 Value ($000) $274,130 Avg Close $68.45 Range $39.23 - $87.75

Q1 2025

Shares 3,567,000 Value ($000) $185,591 Avg Close $56.77 Range $49.07 - $66.80

Q4 2024

Shares 3,567,000 Value ($000) $196,328 Avg Close $58.97 Range $52.45 - $67.09

Q3 2024

Shares 508,372 Value ($000) $34,015 Avg Close $62.09 Range $53.90 - $68.92

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	2,039,291	$234,029	$97.45	$79.29 - $117.48
Q3 2025	2,689,160	$218,736	$81.04	$70.42 - $96.20
Q2 2025	3,175,000	$274,130	$68.45	$39.23 - $87.75
Q1 2025	3,567,000	$185,591	$56.77	$49.07 - $66.80
Q4 2024	3,567,000	$196,328	$58.97	$52.45 - $67.09
Q3 2024	508,372	$34,015	$62.09	$53.90 - $68.92