SASB Index

SASB Index

The following index includes ST’s disclosures aligned with the Sustainability Accounting Standards Board (SASB) framework, Semiconductors standards.

SASB disclosure indicators



Accounting metric

ST 2020 data and/or disclosure location


GHG emissions

(1) Gross global Scope 1 emissions and
(2) amount of total emissions from perfluorinated compounds

(1) 486,304 Metric tons
(2) 431,576 Metric tons CO2 eq


GHG emissions

Discussion of long-term and short-term strategy or plan to manage Scope 1 emissions, emissions reduction targets, and an analysis of performance against those targets

Energy and Climate Change


Energy management in manufacturing

(1) Total energy consumed,
(2) percentage grid electricity,
(3) percentage renewable

(1) 9,452,633 GJ
(2) 92.3%
(3) 39.6%


Water management

(1) Total water withdrawn,
(2) total water consumed, percentage of each in regions with High or Extremely High baseline water stress

(1) 20,222 thousand m3
(2) 34,055 thousand m3
4% of water withdrawn in water stress region


Waste management

Amount of hazardous waste from manufacturing, percentage recycled

(1) 19,605 tons of hazardous waste from manufacturing
(2) 95.3% of hazardous waste recycled


Employee health and safety

Description of efforts to assess, monitor, and reduce exposure of employees to human health hazards

Health and Safety


Employee health and safety

Total amount of monetary losses as a result of legal proceedings associated with employee health and safety violations

~US$3,160 Fines in 2020 (People indicators)


Recruiting & Managing a Global & Skilled Workforce

Percentage of employees that are
(1) foreign nationals and
(2) located offshore

ST’s sutainability report includes headcount by region, by gender, by category (People indicators).
Percentage of foreign nationals is not disclosed.


Product lifecycle management

Percentage of products by revenue that contain IEC 62474 declarable substances

We do not disclose this information. Our approach to product hazardous substances is available in Sustainable Technology and Chemicals.


Product lifecycle management

Processor energy efficiency at a system-level for:
(1) servers, (2) desktops and (3) laptops

We do not track this information.
This is not applicable to our business.


Materials sourcing

Description of the management of risks associated with the use of critical materials

Responsible mineral sourcing (Responsible Supply Chain).
Conflict minerals reports on


Intellectual property protection and competitive behavior

Total amount of monetary losses as a result of legal proceedings associated with anti-competitive behavior regulations

2020 Annual Report (Form-20F) (page F-56)