BIOGEN INC.

Biological Products, (No Diagnostic Substances)·CAMBRIDGE, MA·FY end 12/31·CIK 875045

Named Executive Officers

FY 2025

Executive	Salary	Stock	Options	Bonus / Inc.	Other	Total
Christopher A. ViehbacherPresident and Chief Executive Officer	$1.7M	$18.4M	—	$3.2M	$358.4K	$23.6M
Susan H. AlexanderExecutive Vice President, Chief Legal Officer	$1.0M	$5.8M	—	$1.1M	$197.1K	$8.1M
Nicole C. Murphy Headof Pharmaceutical Operations and Technology	$909.1K	$5.6M	—	$977.8K	$122.5K	$7.6M
Priya A. Singhal Headof Development	$929.7K	$5.6M	—	$951.7K	$123.9K	$7.6M

Christopher A. Viehbacher · FY 2025

Stock awards$18.4M78%

Performance bonus$3.2M13%

Salary$1.7M7%

Other$358.4K2%

TSR % vs. CEO comp actually paid · 6 fiscal years · Item 402(v) disclosure

TSR

CEO comp

FY20

-17%

$9M

FY21

-2%

$15M

FY22

+13%

$28M

FY23

+6%

$-4M

FY24

-38%

$1M

FY25

-28%

$28M

CEO total compMedian employeePay ratio (right axis)