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Appendix Structural Profit Growth with Enterprise NW Services Revenue Accumulation Unit: (JPY) billion Revenues of Network Services FY19 FY20 FY21 FY22 outlook 40.2 40.72 Mobile 47.52 46.09 99.6 Network Services 87.50 (excluding mobile) 75.91 79.30 (*1) (*2) aka Enterprise NW Services +3.39 +8.19 +12.1 IP, Security, WAN etc. Gross Profit of Network Services About 2/3 of the increase FY19 FY20 is due to FY21 FY22 outlook strong enterprise NW 39.9 services 35.62 revenue accumulation 27.17 19.91 +7.26 +8.45 +4.3 The main cost for Network services (excluding Mobile), written below, are not directly linked to the revenues fluctuation • Circuit leasing fees for Internet backbone • Depreciation cost for network equipment Personnel cost for service development & operation Operation cost for data centers (*1) Year over year revenue increase of ¥3.39 bn includes year over year revenue decrease of ¥1.92 bn for WAN Services, which require circuit purchasing (*2) Planned year over year revenue increase of ¥12.1 bn largely includes a revenue increase of WAN Services, which require circuit purchasing O Internet Initiative Japan Inc. 27 27

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