Investor Presentaiton

III - 6. Systems Integration (SI) (1) Revenues Systems Construction revenues (including equipment sales) Systems operation & maintenance revenues for on-premise system revenues Unit: (JPY) million [ ], YoY = Year over year comparison Cloud revenues such as private cloud which are recognized as systems operation & maintenance revenues Systems Construction (one-time) 1Q20 2Q20 3Q20 4Q20 1Q21 2Q21 3Q21 4Q21 I Systems Operation & Maintenance (recurring) 12,561 12,451 Order 11,073 11,254 9,646 9,763 backlog 7,650 8,330 49,981 51,341 51,995 54,564 56,424 56,388 56,897 1Q20 2Q20 3Q20 4Q201 1Q21 2Q21 3Q21 4Q21 60,340 FY20: 31,767 [-0.7%] FY21: 35,377 [+11.4%] 6,550 6,470 8,667 10,080 6,832 8,639 8,943 10,962 Revenues I FY20: 51,517 [+11.0%] FY21: 59,962 [+16.4%] 12,325 12,822 13,093 13,277 13,974 14,763 15,261 15,964 Order received 6,786 7,139 7,055 7,084 8,010 8,467 8,768 8,936 6,693 8,466 8,784 8,647 8,737 10,128 7,636 12,159 FY20: 32,590 [+3.0%] FY21: 38,660 [+18.6%] 5,539 5,682 6,038 6,193 13,949 14,182 13,747 15,846 12,911 14,727 15,770 | 19,407 FY20: 57,724 [+12.1%] FY21: 62,816 [+8.8%] 5,964 6,296 6,493 7,028 ➤ Accumulated orders across all industries (Large-scale construction orders received in 4Q21) • . Several large-scale NW renewal projects for public sector Several groupware implementation projects such as Microsoft 365 Several campus network renewal projects FY22 Outlook ➤ In addition to NW integration demands, we expect SI construction revenues to largely increase with large-scale & development projects We acquired several large-scale integrated NW replacement projects, which require both NW services & SI Acquired 5 projects ranging from a little less than ¥1 bn to over ¥5 bn in revenue. In total, revenue volume of over 10 bn for the total contracted period Contract period: 3 to 4 years Construction & operation of NW replacement and/or shared platform infrastructure such as Internet connection environment for all Tokyo metropolitan high schools and WAN to connect all Tax Offices in Japan (The projects' revenues would be largely recognized as NW services) • 1Q21 order received decreased because contracts for renewals were concentrated in 4Q20 Systems operation & maintenance revenues stably increased mainly because we continued to accumulate system construction project orders PTC (Singaporean Sler, consolidated subsidiary from Apr. 2021) While FY21 revenue was weaker than expected which was mainly due to fluctuation in orders from large customers & the Pandemic, we expect to accumulate demands from both the current large clients & new clients for FY22 Impact on consolidated financial results (All of PTC revenues is recognized as SI) Unit: \bn FY21 plan FY21 results FY22 target Revenues Operating Profit Approx. 8.5 6.89 Approx. 10.2 Approx. 0.4 0.31 Approx. 0.4 Internet Initiative Japan Inc. 10

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