PFIZER INC

Ticker: PFE CUSIP: 717081103 Class: COM

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

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

Q3 2025

Shares 3,303,790 Value ($000) $84,181 Avg Close $24.14 Range $22.71 - $25.66

Q2 2025

Shares 4,306,264 Value ($000) $104,384 Avg Close $22.35 Range $19.83 - $24.10

Q1 2025

Shares 3,347,296 Value ($000) $84,820 Avg Close $24.71 Range $23.33 - $25.82

Q1 2016

Shares 25,000 Value ($000) $741 Avg Close $18.68 Range $17.59 - $19.87

Q3 2013

Shares 1,805,000 Value ($000) $51,849 Avg Close $16.36 Range $15.50 - $17.26

Q2 2013

Shares 1,855,000 Value ($000) $51,959 Avg Close $16.46 Range $15.38 - $17.52

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2025	3,303,790	$84,181	$24.14	$22.71 - $25.66
Q2 2025	4,306,264	$104,384	$22.35	$19.83 - $24.10
Q1 2025	3,347,296	$84,820	$24.71	$23.33 - $25.82
Q1 2016	25,000	$741	$18.68	$17.59 - $19.87
Q3 2013	1,805,000	$51,849	$16.36	$15.50 - $17.26
Q2 2013	1,855,000	$51,959	$16.46	$15.38 - $17.52