TC-SC-110a.1

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

(1) 513,721 Metric tons
(2) 435,806 Metric tons CO₂ eq

TC-SC-110a.2

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

TC-SC-130a.1

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

(1) 11,076,718 GJ
(2) 92.1%
(3) 65.0%

TC-SC-140a.1

(1) Total water withdrawn,
(2) total water consumed,
(3) percentage of each in regions with high or extremely high baseline water stress

(1) 23,999 thousand m³
(2) 41,117 thousand m³
(3) 5% of water withdrawn in water stress region

TC-SC-150a.1

(1) Amount of hazardous waste from manufacturing,
(2) percentage recycled

(1) 37,399 tons of hazardous waste from manufacturing
(2) 95.8% of hazardous waste recycled

TC-SC-320a.1

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

Health and safety

Chemicals

TC-SC-320a.2

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

As of December 31, 2023 and 2022, respectively, provisions for estimated probable losses with respect to claims and legal proceedings were not considered material.

2023 Annual Report (Form-20F) on www.stm.com (page F-55)

TC-SC-330a.1

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

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

TC-SC-410a.1

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.

TC-SC-410a.2

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

We do not track this information. Our approach to product efficiency is available in Sustainable technology and energy efficiency by product category and lifecycle on www.st.com

TC-SC-440a.1

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

Responsible mineral sourcing

Conflict minerals reports on www.st.com

TC-SC-520a.1

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

As of December 31, 2023 and 2022, respectively, provisions for estimated probable losses with respect to claims and legal proceedings were not considered material.

2023 Annual Report (Form-20F) on www.st.com (page F-55)