Page 58 - New Employee Glossary

Glossary 58

The R&D Governance Committee is a cross-functional technical and scientific review and
approval committee for research to development (R2D) transition candidates and early
development programs (up to and including all Phase 2) and related business development
opportunities.

Research & Development Leadership Team (Sr. RDLT)

EVP of R&D and his/her direct reports including the Chief Scientific Officer, Chief Medical
Officer, Head of Drug Discovery, Head of Translational Medicine, Head of Gene and Cell
Therapy and Head of Global Medical as well the HR and Finance leads supporting R&D.

Research Ethics Board (REB)

IRB equivalent for Canada

Research Triangle Park (RTP)

Biogen has offices and a manufacturing facility in North Carolina, located in RTP.

Rest of World (ROW)

Countries other than the US

Restricted Stock Unit (RSU)

Compensation offered by an employer to an employee in the form of company stock. The
employee does not receive the stock immediately, but instead receives it according to a
vesting plan and distribution schedule after achieving required performance milestones or
upon remaining with the employer for a particular length of time. The restricted stock units
(RSU) are assigned a fair market value when they vest. Upon vesting, they are considered
income, and a portion of the shares are withheld to pay income taxes. The employee
receives the remaining shares and can sell them at any time.

Return on Assets (ROA)

A measure of a company's profitability, equal to earnings divided by its total assets,
expressed as a percentage.

Return on Equity (ROE)

A measure of how well a company used reinvested earnings to generate additional earnings,
equal to after-tax income (after preferred stock dividends but before common stock
dividends) divided by book value, expressed as a percentage. It is used as a general