RVBA-BIOGE

Biogen — full event log

Every event we have on file across every reporting year. The Data-by-year tab summarises the top 10 per year; this page shows them all.

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2024· 15 events

10 years of 100% renewable electricity; expanding via VPPAsData confidence — high

Biogen marked 10 years of sourcing 100% renewable electricity in all markets where we operate (committed 2014, joined RE100 in 2015). To complement RECs, entered multi-year direct hydropower contracts (2020) for Cambridge and Solothurn. In 2024, entered two new VPPAs (for three total) and Liberty Solar VPPA (~100 MW project, Biogen 20 MW position) came online. Once all three VPPAs are operational, they are expected to cover 100% of electricity use across North America.

sustainability_report p.47

100% labs My Green Lab certifiedData confidence — high

Sustained 100% lab certification through My Green Lab, with 57% achieving Green-level (highest) status. Recertified 14 labs.

sustainability_report p.50

Updated emission factors and improved supplier categorizationaffects scope 3 purchased goodsData confidence — high

Decrease in Cat 1, Cat 2, Cat 4 values due to updated emission factors, change in spend, and improved supplier categorization.

sustainability_report p.73

Acquisition of Human Immunology Biosciences (HI-Bio)Data confidence — high

Through the acquisition of HI-Bio, advancing felzartamab for late antibody-mediated rejection in kidney transplant patients.

sustainability_report p.4

Two new VPPAs signed; Liberty Solar VPPA came onlineData confidence — high

Entered into two new virtual power purchase agreements (for three total). Liberty Solar (~100 MW, Biogen 20 MW position) came online September 2024.

sustainability_report p.48

New target: Net-zero market-based Scope 2 emissionsaffects scope 2 co2e marketData confidence — high

Established target to achieve net-zero market-based Scope 2 emissions, supported by VPPAs and biochar carbon removals.

sustainability_report p.47

New target: 50% reduction in Scope 1 by 2030 from 2019 baselineaffects scope 1 co2eData confidence — high

In 2024, we established new targets: 50% reduction of global Scope 1 emissions by 2030 from a 2019 baseline; Achieve net-zero market-based Scope 2 emissions.

sustainability_report p.47

Added Scope 3 Category 9 (Downstream Transportation) disclosureaffects scope 3 downstream transportData confidence — high

New disclosure as data sources have improved. Category 9 downstream transportation and distribution = 4,372 tCO2e.

sustainability_report p.57

First purchase of carbon removals (biochar CORCs)affects carbon removals tData confidence — high

Invested in permanent carbon removals via biochar projects (45 tCO2e Puro.earth CORC 100+) to address residual Scope 2 emissions.

sustainability_report p.47

Primary: Green chemistry and sustainable lab operationsData confidence — high

100% of labs My Green Lab certified, with 57% Green-level (highest). Working to advance a Development and Commercialization Scorecard for small molecule assets to standardize evaluation of process improvements on efficiency, GHG emissions, waste, and patient safety. Greener chemistry principles: safer processes, reduced solvent use, efficient conversion of key materials.

sustainability_report p.50

Primary: Fleet electrificationData confidence — high

EV and hybrid options available in countries where employees use corporate fleet vehicles. In 2024 added more than a dozen new EV chargers in the U.S. alone for fleet, employees, and visitors.

sustainability_report p.47

Primary: Sustainable packaging and product stewardshipData confidence — high

Purchased new equipment for in-house prototyping of more sustainable cartons, leaflets, instructions for use. Evaluating monolayer blisterpack films (eliminating PVC content), paper bottle and cap closures, and 100% biodegradable trays from potato starch to replace plastic molded trays. Exploring alternatives to single-use injectors.

sustainability_report p.51

Primary: Operational energy efficiency and end-of-life equipment replacementData confidence — high

Multi-pronged approach to reduce Scope 1: promoting greater efficiency when retiring equipment such as boilers, working to eliminate certain refrigerants, ensuring minimum efficiency standards for priority facilities. Achieved 16% reduction in Scope 1 since 2019 baseline. Examples: RTP chiller software/hardware upgrades avoided new chiller capex; Baar Switzerland air-source heat pump cut natural gas 96% vs 2023. Since 2019, reduced CO2 by 10,421 metric tons.

sustainability_report p.47

Dependent: Supplier engagement on renewables and SBTi targetsData confidence — high

CLEAN (Conscious Logistic Environment Action Network) initiative incorporates environmental impacts in supplier decisions. As of Q1 2025, 56% of top 50% of suppliers by spend pledged to use 100% renewable electricity (more than double prior year). More than 37% of top 80% of suppliers by spend have set or pledged to set science-based climate targets verified by SBTi (16% YoY increase). Enhanced use of EcoVadis to assess supplier programs.

sustainability_report p.52

Biochar carbon removals to address residual Scope 2Data confidence — high

To address residual emissions and achieve net-zero market-based Scope 2 emissions, Biogen invested in permanent carbon removals via biochar projects. Biochar is a charcoal-like material created by burning carbon-rich biomass such as agricultural waste in a low-oxygen environment. Purchased 45 tCO2e of CORC 100+ credits certified by Puro.earth to offset municipal steam.

sustainability_report p.47

2023· 1 event

Fit for Growth Initiative and ICoE establishmentData confidence — high

Fit for Growth Initiative to align Biogen's cost base; International Center of Excellence (ICoE) established in 2023 to reduce organizational complexity.

sustainability_report p.25