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Biogen
Business Segments
Products & Services
After Second GAZYVA Threshold Date

After Second GAZYVA Threshold Date

Biogen·Products & Services·3 segments

Breakdown

Segments

RITUXANView metric

LUNSUMIOView metric

GAZYVAView metric

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Data sourced from SEC filings — methodology

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Segment	Q2 '24	Q3 '24	Q4 '24	Q1 '25	Q2 '25	Q3 '25	Q4 '25	Q1 '26
RITUXAN	35%	35%	35%	35%	35%	35%	35%	35%
LUNSUMIO	—	—	—	35%	35%	35%	—	35%
GAZYVA	35%	35%	35%	35%	35%	35%	35%	35%
Total	35%	35%	35%	35%	35%	35%	35%	35%