Consolidated Financial Results for FY2020

Service & Business Developments: M Developments: Mobile data interconnectivity charge Mobile data interconnectivity cost (Mbps unit charge-monthly) YoY change Financials Fiscal Year Method FY18 FY19 FY20 Actual cost method (*1) ¥49,311 New - 6.0% ¥42,702 - 13.4% FY21 FY22 FY23 Future cost method (*2) ¥41,436 ¥28,385 - - 3.0% 31.5% ¥22,190 - 21.8% - ¥18,014 18.8% Docomo Old ¥49,311 - 6.0% ¥42,702(*1) - 13.4% Expected to be fixed in Jan. 2022 ¥41,436(2) 3.0% -14.5% ¥33,211 - 19.8% -20.5% ¥27,924 - 15.9% Decrease by 16.0% ¥52,949 ¥42,154 (1) (*2) ¥32,842 New - 13.3% - 20.4% - 22.1% KDDI ¥52,949 ¥42,154 (1) Old - 13.3% - 20.4% ¥32,8422) -22.1% (*2) ¥27,790 15.4% ¥26,827 - 18.3% -3.5% ¥21,983 - 18.1% -13.4% ¥25,394 ¥18,419 - 16.2% - 8.6% • • • • • Decrease by 38.0% The same calculation method is applied to actual cost method & future cost method: (Data communication cost + profit) /demand About actual cost method: Calculated based on MNOs' actual cost etc. and applied retrospectively. FY19 usage charge (*1), which is based on MNOS' FY19 results, was fixed in January 2021 and recognized in our FY20 financial results (Recognized as a difference between our estimate and result). About future cost method: Calculated based on MNOs' mobile unit charge prediction for next three years, which is based on MNO's future cost etc. It is applied from FY20. Mobile unit charge is fixed based on MNO's actual cost etc. and the difference between prediction and result is revised. For FY20, FY21, and FY22, mobile unit charge prospects by future cost method (described as "Old" above) were announced March 2020. For FY21, FY22, and FY23, mobile unit charge prospects by future cost method (described as "New" above) were announced April 2021. FY20 usage charge (*2), which is based on MNO's FY20 results, will be fixed in around January 2022 and recognized in our FY21 financial results (correctively recorded as a difference between our estimate and result). • Mobile interconnectivity charge, which is underlined above, is fixed based on the result Internet Initiative Japan Inc. The decrease percentage in mobile interconnectivity charge described above is compared with the previous year 52

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