Summary
Details
- Global
Mandatory obligations include:
Supplier Code compliance.
legal and regulatory compliance.
environmental, health, safety and security standards.
ethical business conduct.
accurate records and management systems.
waste, wastewater and emissions management.
contract-specific compliance requirements.
Functionally mandatory obligations include:
public climate targets for strategic suppliers.
CDP participation for suppliers representing upstream Scope 3 emissions.
EcoVadis disclosure, where requested.
Scope 1 and Scope 2 emissions data.
Scope 3 data where material.
product carbon footprint data.
PACT-compatible data exchange where relevant.
logistics emissions data.
feedstock carbon intensity data.
mass-balance and chain-of-custody documentation.
corrective action evidence.
The strongest obligations apply to:
feedstock suppliers.
raw-material suppliers.
high-emissions suppliers.
logistics providers.
circular feedstock providers.
recycling partners.
chemical intermediates suppliers
contractors working on Dow sites.
suppliers representing material upstream Scope 3 emissions.
suppliers supporting low-carbon product claims.
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What’s Required
Dow’s supplier framework is a mature private regulatory system in the chemicals sector. It is not limited to a generic supplier code. It combines mandatory supplier conduct requirements, recommended supplier climate targets, sustainable purchasing, supplier emissions monitoring, CDP engagement, product carbon footprint methodology, circular product systems and logistics decarbonization.
The framework is built around:
Dow Code of Business Conduct for Suppliers.
Sustainable Purchasing Strategy.
CDP Supply Chain programme engagement.
EcoVadis supplier monitoring.
Scope 3 emissions accounting.
product carbon footprint and Carbon Footprint Ledger methodology.
PACT product carbon data alignment.
circular and low-carbon product portfolios.
feedstock and raw-material decarbonization.
logistics emissions reduction.
environmental, health, safety and security requirements.
value-chain collaboration with customers and suppliers.
Dow’s sustainability targets include reducing net annual carbon emissions by 5 million metric tons by 2030 against a 2020 baseline, equivalent to a 15% reduction, and intending to become carbon neutral by 2050 across Scopes 1, 2 and 3, plus product benefits.
1. Supplier Code as the contractual baseline
Dow’s Code of Business Conduct for Suppliers is the baseline governance instrument. The current supplier code follows principles including the UN Global Compact, and is structured around environment, social and governance expectations. Dow states that the Supplier Code defines expectations for suppliers and is intended to help drive responsible and ethical business practices across its value chain.
Supplier obligations and expectations include:
compliance with applicable laws and regulations.
environmental responsibility.
health, safety and security performance.
ethical business conduct.
labour and human rights standards.
accurate records and management systems.
responsible use of resources.
waste management.
reduction or prevention of wastewater discharge.
reduction or prevention of air emissions, including greenhouse gases.
cooperation with Dow’s procurement and compliance expectations.
The supplier code is especially important because Dow operates in chemicals and materials value chains where supplier failures can create environmental, safety, product-quality and customer-disclosure risks. Feedstocks, intermediates, packaging, logistics and industrial services all affect Dow’s emissions profile and operational risk.
2. Supplier climate targets and environmental disclosure expectations
Dow’s supplier code includes a more advanced climate expectation than many corporate supplier codes. It states that all suppliers should set a public climate target to achieve carbon neutrality across Scope 1, 2 and 3 greenhouse gas emissions by 2050. It also recommends that suppliers publicly disclose environmental goals and strategies using widely accepted methods and metrics, including platforms such as CDP and EcoVadis.
This creates a quasi-mandatory climate governance signal. The language may be framed as best practice, but procurement pressure makes it commercially significant.
Strategic suppliers may be expected to provide:
public climate targets.
Scope 1 and Scope 2 emissions data.
Scope 3 data where material.
climate transition plans.
CDP disclosures.
EcoVadis sustainability ratings.
renewable electricity evidence.
emissions reduction projects.
product carbon footprint inputs.
logistics emissions data.
For suppliers, this means climate maturity is becoming part of commercial credibility. A supplier without emissions data, climate targets, or disclosure capacity may be less competitive in Dow’s sustainable purchasing system.
3. Sustainable Purchasing and Supplier Selection
Dow describes sustainable purchasing as a way to identify and reduce environmental impact across value chains, tap supply markets safely and ethically, and drive a green marketplace. Its purchasing materials state that Dow’s sustainable purchasing strategy is based on three main pillars.
Dow also states that suppliers are expected to demonstrate reliable, high-quality supply relationships, provide unique solutions and raw materials supporting innovation, collaborate to drive product performance and differentiation, and join Dow in setting sustainability standards through its Supplier Code.
This means procurement decisions may consider:
supplier reliability and quality.
environmental performance.
emissions and carbon data.
climate target-setting.
health, safety and security performance.
product innovation.
circular and low-carbon material capability.
sustainability assessment performance.
supplier transparency and data quality.
For chemical suppliers, this turns sustainability into a business qualification. Environmental performance becomes linked to access to Dow’s procurement system, not only to annual ESG reporting.
4. Scope 3 supplier engagement and CDP Supply Chain
Dow’s 2024 INtersections Progress Report states that the company monitors supplier carbon emissions and climate progress using CDP and EcoVadis. It also states that Dow invited suppliers representing 80% of upstream Scope 3 emissions to participate in the CDP Supply Chain programme.
This is a clear supplier governance mechanism.
Suppliers in scope may need to provide:
annual CDP responses.
Scope 1 emissions.
Scope 2 emissions.
relevant Scope 3 emissions.
emissions reduction targets.
climate governance information.
renewable energy data.
emissions reduction initiatives.
climate risk and opportunity information.
assurance or methodology details where available.
The 80% upstream Scope 3 coverage metric is especially important. Dow is not engaging suppliers randomly. It is targeting suppliers that materially affect upstream emissions. This is supplier segmentation based on Scope 3 impact.
5. Product carbon footprint and Carbon Footprint Ledger
Dow’s Carbon Footprint Ledger methodology is designed to help customers meet Scope 3 targets by providing low-carbon products enabled by Dow decarbonization efforts. Dow states that the methodology is based on product carbon footprint standards such as ISO 14067, the GHG Protocol Product Standard and industry guidelines, and uses existing market precedents of mass balance in greenhouse gas accounting.
This creates strong supplier data implications.
Suppliers may need to provide:
feedstock carbon intensity.
material-specific emissions factors.
site-specific energy data.
process emissions data.
renewable electricity documentation.
chain-of-custody evidence.
mass-balance documentation.
logistics emissions data.
allocation assumptions.
product-specific emissions information.
Chemical-sector product carbon footprinting is complex because many products come from integrated production processes with co-products, by-products, shared utilities and multiple feedstock streams. Supplier data must be sufficiently granular to support credible product-level carbon accounting.
6. PACT and product carbon data interoperability
Dow has also supported the PACT product carbon data exchange. The PACT methodology aims to calculate, standardise and exchange product carbon footprints across frameworks, tools and stakeholders. A PACT case study states that Dow championed PACT among suppliers and that adoption of the methodology increased transparency, enabling integration of supplier product carbon footprint data into Dow’s Scope 3 accounting for the first time in 2022.
This is significant because it moves supplier reporting from corporate-level emissions estimates toward product-level carbon data exchange.
Suppliers may need systems capable of:
calculating product carbon footprints.
exchanging PCF data digitally.
applying consistent boundaries.
documenting emissions factors.
using compatible data models.
distinguishing primary data from secondary data.
supporting customer-specific Scope 3 accounting.
improving comparability across chemical value chains.
The regulatory logic is clear: if Dow customers need lower-carbon materials and PCF data, Dow must obtain reliable upstream data from its own suppliers.
7. Feedstocks, raw materials and circularity controls
Dow’s Scope 3 and circularity strategy is heavily influenced by feedstocks. Dow’s 2024 Annual Report notes that the company is actively validating and developing Scope 3 emissions reduction and mitigation efforts and that collaboration with partners along the value chain is key to lowering Scope 3 carbon emissions.
Relevant supplier categories include:
hydrocarbon feedstock suppliers.
ethylene and propylene value-chain suppliers.
chemical intermediates suppliers.
renewable feedstock suppliers.
circular feedstock providers.
waste-plastic suppliers.
recycling partners.
packaging suppliers.
energy suppliers.
logistics providers.
contractors and industrial service providers.
Suppliers supporting circular or lower-carbon products may need to provide:
recycled feedstock origin data.
waste source documentation.
renewable feedstock evidence.
mass-balance records.
chain-of-custody documentation.
product quality data.
contamination controls.
certification evidence.
lifecycle emissions data.
proof supporting circular or low-carbon claims.
Circularity creates a supplier eligibility challenge. Waste and recycled feedstock providers must meet quality, traceability, certification and emissions data expectations, not only volume and price expectations.
8. Logistics and transportation emissions
Dow’s supplier framework also reaches logistics. The 2024 INtersections Progress Report states that Dow worked with Royal Den Hartogh Logistics on a transportation corridor connecting the Benelux region with Turkey and Greece using biofuel solutions across all modes of transport, achieving significant greenhouse gas reductions.
Logistics suppliers may need to provide:
transport mode data.
route information.
fuel consumption.
biofuel documentation.
shipment weight and load factor data.
emissions factors.
terminal and storage data.
hazardous goods compliance evidence.
route optimisation evidence.
lower-carbon transport alternatives.
For chemicals, logistics is not only about emissions. It also involves hazardous goods compliance, safety, reliability and environmental risk. Logistics providers are therefore critical Scope 3 and HSE suppliers.
9. HSE, safety and chemical-sector supplier controls
Dow’s supplier governance is rooted in chemical-sector safety and operational discipline. Suppliers may be involved in high-risk activities such as maintenance, industrial services, chemical transport, waste handling, feedstock delivery, engineering, construction or packaging.
Supplier controls may include:
health and safety performance records.
environmental permits.
hazardous material procedures.
emergency response plans.
contractor safety training.
waste and wastewater management evidence.
chemical handling documentation.
transport compliance documentation.
incident reporting systems.
corrective action plans.
In chemical procurement, HSE performance is a procurement gate. A supplier that creates safety or environmental risk may be disqualified even if it is commercially competitive.
10. Data systems and governance architecture
Dow’s supplier framework requires advanced data systems because suppliers must support multiple disclosure and operational channels at once.
Suppliers need systems covering:
supplier code compliance.
CDP reporting.
EcoVadis assessment data.
Scope 1, 2 and 3 emissions.
product carbon footprints.
PACT-compatible data exchange.
feedstock and raw-material traceability.
mass-balance and chain-of-custody records.
logistics emissions data.
HSE records.
corrective action tracking.
audit documentation.
The practical challenge is interoperability. Supplier data must support Dow’s Scope 3 accounting, Carbon Footprint Ledger, customer PCF requests, sustainable procurement processes and safety requirements. Poor data quality can affect both supplier status and Dow’s ability to provide credible low-carbon materials.
Important Deadlines
Key timelines include:
2020: baseline year for Dow’s 2030 carbon reduction target.
2022: Dow joined or used CDP Supply Chain engagement to improve Scope 3 supplier emissions visibility, according to ESG reporting materials.
2024: Dow renewed its supplier code framework and published its updated supplier business conduct expectations.
2024 reporting year: Dow monitored supplier carbon emissions and climate progress using CDP and EcoVadis and invited suppliers representing 80% of upstream Scope 3 emissions to participate in CDP Supply Chain.
2030: Dow targets to reduce net annual carbon emissions by 5 million metric tons versus 2020, a 15% reduction.
2050: Dow intends to be carbon neutral across Scopes 1, 2 and 3, plus product benefits.
Ongoing: supplier code compliance.
Ongoing: CDP and EcoVadis supplier monitoring.
Ongoing: product carbon footprint data exchange and Carbon Footprint Ledger implementation.
Ongoing: circular and low-carbon feedstock procurement.
Current Status
The framework is active, mature and increasingly data-intensive. Dow’s supplier governance has moved beyond general responsible sourcing into measurable Scope 3 engagement, CDP supplier participation, product carbon footprint systems, PACT-aligned supplier data and circular value-chain collaboration.
The framework is strongest in:
Supplier Code climate expectations.
CDP and EcoVadis supplier monitoring.
upstream Scope 3 supplier engagement.
product carbon footprint data.
Carbon Footprint Ledger methodology.
circular and low-carbon product systems.
logistics emissions reduction.
HSE and environmental procurement controls.
Dow’s supplier framework is especially significant because the company sits near the beginning of multiple downstream value chains. Supplier data affects Dow’s own Scope 3 reporting and the Scope 3 inventories of customers in packaging, consumer goods, construction, automotive, agriculture, electronics and industrial markets.
Penalties for Non-Compliance
Enforcement is procurement-driven.
Potential consequences include:
failed supplier onboarding.
increased documentation requests.
corrective action requirements.
reduced sourcing competitiveness.
exclusion from strategic supplier status.
lower preference in sustainable purchasing.
inability to participate in low-carbon product programmes.
exclusion from circular feedstock or PCF-enabled value chains.
contract non-renewal.
supplier replacement.
reputational exposure.
customer-disclosure risk where supplier data is unreliable.
The strongest enforcement mechanism is commercial access. A supplier that cannot provide emissions, PCF, CDP, EcoVadis, HSE or feedstock data becomes less useful in Dow’s sustainable purchasing and value-chain decarbonization strategy.
Examples of Known Violations
This analysis does not identify specific public violations by named Dow suppliers. Realistic failure modes include:
failure to meet Supplier Code requirements.
absence of a public climate target.
incomplete CDP disclosure.
weak EcoVadis performance.
missing Scope 1 or Scope 2 data.
incomplete upstream Scope 3 data.
unsupported product carbon footprint data.
inconsistent PCF boundaries.
poor mass-balance documentation.
unsupported low-carbon or circular feedstock claims.
logistics emissions data gaps.
weak HSE systems.
hazardous materials handling failures.
poor corrective action implementation.
These failures can affect supplier qualification, sourcing allocation, customer data quality and participation in low-carbon product markets.
Resources
https://corporate.dow.com/en-us/collaborations/suppliers/info/expectations.html
https://corporate.dow.com/en-us/purpose-in-action/value-chain-sustainability/purchasing.html
https://corporate.dow.com/en-us/purpose-in-action/sustainability-targets.html
https://corporate.dow.com/en-us/about-dow/corporate-reporting/progress-report.html
https://corporate.dow.com/content/dam/corp/documents/about/066-00504-01-2024-progress-report.pdf
https://www.dow.com/en-us/brand/sustainability-science/carbon-footprint-ledger.html
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