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Third-party Verification

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In order to improve the reliability of the environmental performance data presented in this report, Toshiba Group requested Japan Audit and Certification Organization for Environment and Quality to provide third-party verification. The details are as follows.

Scope of the verification

  • GHG emissions caused by business processes:
    GHG emissions generated by Toshiba Corporation and its group companies in Japan and overseas (Scopes 1 and 2*1)
    We selected and visited two production sites (Toshiba Energy Systems & Solutions Co., Ltd. Hamakawasaki Operations and Toshiba Electronic Devices & Storage Co., Ltd. Himeji Operations-Semiconductor).
  • GHG emissions caused by use of products sold:
    GHG emissions caused by use of products sold by Toshiba Corporation and its group companies in Japan and overseas (Scope 3 Category 11*2)
*1
Scopes 1 and 2: GHG emissions generated by Toshiba through use of fuels and electricity as well as by manufacturing process (Scope 1: direct emissions; Scope 2: indirect emissions)
*2
Scope 3 Category 11: GHG emissions caused by use of products and services produced and sold during the year covered by the report.

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Third-party assurance report by PricewaterhouseCoopers Sustainability LLC (PDF: 470KB)

Result

Based on research conducted in accordance with Toshiba Group's policies and standards as well as with ISO14064-3*3, it was concluded that there are no significant items that have not been disclosed or covered by the report.

*3
ISO14064-3: Specification with guidance for the validation and verification of greenhouse gas assertions

Methods of calculation

  • CO2 emissions caused by use of fuels: Calculated by the method set by Toshiba Group based on the Ministry of the Environment's Manual for Calculating and Reporting GHG Emissions (Version 4.3.2).
  • CO2 emissions coefficient for electricity purchasing: 5.31 t-CO2/10,000 kWh is used as the CO2 emissions coefficient in Japan. GHG Protocol data is used overseas.
  • Greenhouse gases other than CO2: Calculated by the method set by Toshiba Group using the Global Warming Potential (GWP) in the Fourth Assessment Report of the Intergovernmental Panel on Climate Change (IPCC).
  • CO2 emissions caused by use of products sold: Calculated by aggregating the emissions estimated to be generated during use of products in the future for the year the products were sold.

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