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Internet Initiative Japan Inc.

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Recent & upcoming events

Aug 7
Earnings 2:00
Q1 earnings announcement (scheduled)
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Jun 25
Shareholder meeting 21:00
Shareholders' meeting
Venue: 飯田橋グラン・ブルーム 当会社本店、東京都千代田区富士見二丁目10番2号 Details
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May 14
Earnings 2:00
FY earnings announcement (scheduled)
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Sep 27
Est.
Dividend Time TBD
Last day with rights (interim)
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Sep 28
Est.
Ex-dividend Time TBD
Ex-rights date (interim)
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Oct 30
Est.
Earnings 2:00 approx.
Q2 earnings
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2027
Jan 22
Est.
Earnings 1:00 approx.
Q3 earnings
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Mar 28
Est.
Dividend Time TBD
Last day with rights (year-end)
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Mar 29
Est.
Ex-dividend Time TBD
Ex-rights date (year-end)
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Apr 16
Est.
Earnings 2:00 approx.
Full-year earnings
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Jul 16
Est.
Earnings 2:00 approx.
Q1 earnings
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KPI highlights

FY26
Revenue ¥345.39B YoY +9.0%
Operating income ¥34.84B margin 10.1%
Net income ¥24.19B YoY +21.3%
EPS ¥137 YoY +21.1%
P/E —
ROE 16.2% Equity ratio 46% Typical equity ratios vary a lot by industry. Banks, brokerages, and other financial companies tend to run lower ratios because leverage (using other people's capital) is core to their business model — a low ratio there isn't a sign of financial weakness.

Company guidance

FY2027/03 Company-issued full-year guidance (from earnings report) / %=vs prior FY
Revenue ¥385.00B +11.5%
Operating income ¥38.50B +10.5%
Net income ¥25.00B +3.4%
EPS ¥141 +3.3%

Quarterly fundamentals

Income & cash flow
Quarter FY24 Q4FY25 Q1FY25 Q2FY25 Q3FY25 Q4FY26 Q1
Revenue ¥82.29B¥87.52B¥76.82B¥85.09B¥87.42B¥96.06B
Operating income ¥8.92B¥9.40B¥6.03B¥9.36B¥9.02B¥10.42B
Net income ¥6.38B¥6.18B¥3.81B¥6.32B¥6.31B¥7.97B
Operating CF ¥525M¥2.23B¥18.93B¥5.93B¥16.19B¥1.18B

Ownership over time

Share of total shares outstanding (disclosed major holdings + undisclosed)（2021–2026）

事業法人 29.2%国内機関 14.1%個人 4.2%未開示 52.5%202120222023202420252026
事業法人国内機関海外機関個人未開示・浮動株

「国内機関」は信託銀行の名義口座（年金・パッシブ・一部海外資本を含む）を集計し、実質保有者へは分解していません。分類は開示名称からの推定です。

Top shareholders — rank & share

KDDI株式会社 11.5%KDDI株式会社NTT株式会社 6.9%NTT株式会社日本マスタートラスト信託銀行株式会社 5%日本マスタートラスト信託銀行株式会社（その他信託口）（注)2NTTドコモビジネス株式会社 4.6%NTTドコモビジネス株式会社伊藤忠テクノソリューションズ株式会社 4.4%伊藤忠テクノソリューションズ株式会社鈴木　幸一 4.2%鈴木　幸一日本マスタートラスト信託銀行株式会社 4%日本マスタートラスト信託銀行株式会社（投資信託口）（注)2第一生命保険株式会社 （常任代理人 2.9%第一生命保険株式会社 （常任代理人 株式会社日本カストディ銀行）株式会社日本カストディ銀行（投資信託 2.2%株式会社日本カストディ銀行（投資信託口）(注)3株式会社KS Holdings（注) 1.8%株式会社KS Holdings（注)4202120222023202420252026

Top shareholders — actual figures (as of 2026)

Holder Shares held Ratio Source
KDDI株式会社 20,387,000 11.5% Yuho (EDINET)
NTT株式会社 12,227,000 6.9% Yuho (EDINET)
日本マスタートラスト信託銀行株式会社（その他信託口）（注)2 8,904,200 5.0% Yuho (EDINET)
NTTドコモビジネス株式会社 8,160,000 4.6% Yuho (EDINET)
伊藤忠テクノソリューションズ株式会社 7,808,000 4.4% Yuho (EDINET)
鈴木 幸一 7,427,521 4.2% Yuho (EDINET)
日本マスタートラスト信託銀行株式会社（投資信託口）（注)2 7,009,400 4.0% Yuho (EDINET)
第一生命保険株式会社 5,123,800 2.9% Yuho (EDINET)
株式会社日本カストディ銀行（投資信託口）(注)3 3,902,800 2.2% Yuho (EDINET)
株式会社KS Holdings（注)4 3,240,000 1.8% Yuho (EDINET)

Source：EDINET（大株主の状況）　Classification inferred from disclosed names

F-Score (Piotroski)

7/9

Checks financial health against 9 criteria and shows how many are met as a fraction (more ✓ marks is healthier). Items with no data are shown as “—” — they're simply excluded from judgment, not counted against the score.

✓ Positive ROA ROA 7.0%
✓ Positive operating cash flow ¥50.46B
✓ ROA improved YoY 6.4% → 7.0%
✓ Operating CF exceeds net income (accrual quality) OCF ¥50.46B / net income ¥24.19B
✓ Equity ratio improved* Substitute for the original “decrease in long-term debt” 45.0% → 45.5%
✓ Current ratio improved 1.15× → 1.17×
✗ No dilution (shares outstanding did not increase) 183,184,884 → 183,448,852
✓ Gross margin improved 21.6% → 22.1%
✗ Asset turnover improved 1.01× → 1.00×

This score is reference information based on our own financial metrics. It is NOT a credit rating issued by a credit rating agency under Article 66-27 of the Financial Instruments and Exchange Act, and is NOT investment advice or a recommendation. Make investment decisions at your own responsibility.

Fact checklist

FY26
Equity ratio 45.5%
Current ratio 1.2×
Years of positive operating CF 10 of last 10 yrs
Payout ratio 31%
Latest fiscal year result Profit (net income ¥24.19B)

Performance history

Last 10 years
0億円863億円1,727億円2,590億円3,454億円 FY17FY18FY19FY20FY21FY22FY23FY24FY25FY26

Income & assets

Unit: ¥100M
Item FY17FY18FY19FY20FY21FY22FY23FY24FY25FY26
Revenue 1,5781,7611,9232,0452,1302,2632,5272,7613,1683,454
Operating income 51.367.660.282.3142235272290301348
Ordinary income ——————————
Net income 31.751.135.240.197.1157188198199242
Total assets 1,3741,5341,6732,0652,2082,3182,4622,7373,1243,469
Equity ——7637919001,0351,1811,2581,4071,580

A “—” means data wasn't available for that period — it's not a display error or an unusual value.

Indicators & cash flow

*Split-adjustedUnit: ¥100M
Item FY17FY18FY19FY20FY21FY22FY23FY24FY25FY26
EPS ¥17¥28¥20¥22¥54¥87¥104¥112¥113¥137
ROE 4.8%7.3%4.7%5.2%11.5%16.2%17.0%16.3%15.0%16.2%
Operating CF 73.7133252334405436385408285505
Investing CF -73.8-130-86.9-72.6-132-118-184-179-217-263
Financing CF 24.9-7.48-58.9-194-236-273-257-208-197-191
FCF -0.082.2416526127331720122967.8241

Source: EDINET (Annual Securities Report) (fetched 2026-08-29) *Some metrics supplemented from additional sources

Key financial metrics

High ROE ✓ 3-year revenue growth ✓ Dividend grower ✓

Sector positioning

Relative standing within the sector
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Data provided by Twelve Data