AXCELIS TECHNOLOGIES INC

Ticker: ACLS CUSIP: 054540208 Class: EQTY

DEERFIELD MANAGEMENT COMPANY, L.P.'s Holding History (CIK: 0001009258)

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

Q3 2024

Shares 2,067 Value ($000) $217 Avg Close $116.95 Range $95.62 - $158.61

Q2 2024

Shares 4,221 Value ($000) $600 Avg Close $115.29 Range $93.77 - $145.70

Q1 2024

Shares 5,969 Value ($000) $666 Avg Close $119.16 Range $106.11 - $145.77

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2024	2,067	$217	$116.95	$95.62 - $158.61
Q2 2024	4,221	$600	$115.29	$93.77 - $145.70
Q1 2024	5,969	$666	$119.16	$106.11 - $145.77