Consolidated Financial Results for FY2020

Excellent Customer Base with Many Blue-Chips Cover Most of Top Revenue Companies The number of clients among the top 10 companies in each industry. 10 10 10 10 Competitive Advantages Increase Revenue per Customer We don't expect our number of clients to increase but revenue per customer should continue to increase by cross-selling strategy. Revenues per Electronic appliances Insurance Securities Information/Telco 9 9 9 9 Banks Construction Precision equipment Retail Revenue Distribution by Industry Construction Retail. 5% 4% Manufacturing, 10% Service 20% Public 15% Communication, IT 28% Client base is well diversified among industry sectors Revenues are generated from various industries Finance 18% Customer Number of Customers Revenue Distribution by Clients Top 401-500 4% Top 501- 20% Top 301-400 5% Top 201-300 8% Top 101- 200 13% Top 1-100 50% Approx. 80% of the revenue comes from top 500 clients . Much room to grow revenue per customer • Cross selling strategy is important Largest client revenue portion to the total is less than 3% Internet Initiative Japan Inc. Source: IIJ's FY20 Financials 7

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