Mynet Inc. 3928 Feb 14, 2024 Company Overview

Agenda 1 Corporate Information 2 FY2023 Q4 Business Report 3 FY2023 Q4 Topics ４ FY2024 Forecast

© Mynet Inc. All rights reserved. 3 Corporate Information 1

4 About Us Company Name Mynet Inc. Representative Minoru Iwaki Location 2-11-3 Kita-Aoyama, Minato-ku, Tokyo Establishment June 14, 2006 Business Game, Fantasy Sports Number of Employees* 371 *As of the end of December 2022 (Group consolidated, excluding indirect employment)

Corporate Philosophy 5 With the Power of Digital, Aiming to realize a society where people can meet the people they want to meet when they want to meet them Realization of a society where people can meet the people they want to meet when they want to meet them Extending connections through the power of digital technology Vision Mission Value Integrity Be Smart Sincere and sincere Facing Social Value Act wisely, derive a reasonable solution Progressive Ownership Enjoy change and keep progressing Act with an overwhelming sense of ownership

Business Overview 6 Focused on the purchase and long-term management of game titles Aiming to establish a fantasy sports business based on the game business Game Business Fantasy Sports Business Number of titles in operation 80 「B.LEAGUE#LIVE2023」 More than

7 Game market has grown to over 2 trillion yen Sports market is expected to expand, due to government support Source：「ファミ通ゲーム白書2023」 Source：Cabinet Office「日本再興戦略2016」 Market Environment The domestic gaming market continues to expand. The size of our target market is also expanding steadily Domestic Game Market Domestic Sports Market The sports industry is expected to Market size is expected to grow to 15 trillion yen by 2025 (Unit: billion yen) (Unit: trillion yen) 5.5 10.0 15.0 2015 2020 2025 1,733 2,031 2019 2022

Game Business｜Competitiveness 8 Ability to procure game titles from various companies in the gaming industry Long-term operation through software planning and development Network with companies in the gaming industry Extensive title acquisition and M&A experience Sales Development Operation S trengths Skills and know-how based on quantitative analysis Experience in long-term management of more than 80 titles Knowledge backed by title management experience Game software development knowledge

Game Business｜Strategy 9 Resource shift from Secondary Biz to new domain Focus on business expansion into new domain FY202２ ０％ FY202３ ８％ FY202４ 28％ Occupancy rate of New Domain New Domain Secondary Biz Outsourcing Partial Outsourcing Development Outsourcing New Development

MEDIA Japan's largest basketball media 「ＢＡＳＫＥＴ ＣＯＵＮＴ」 MEMBER Experienced members with expertise in the sports content business SCHEME First in Japan B-League-approved fantasy sports PRODUCT Japan's largest fantasy sports 「B.LEAGUE＃LIVE2023」 Fantasy Sports Business｜Competitiveness 10 Aiming to evolve fan engagement with members with expertise in sports content and business S trengths

Fantasy Sports Business｜Strategy Work on “adding more competitions” ✕ "expanding of monetization” Accelerate the speed of growth by consolidating business resources Business Development Reinforcement Major Sports A Major Sports B monetization α monetization β 100% Group Company OneSports NEXT Aim to become a content development studio that advances sports and fan engagement Sports Fan Engagement 11

© Mynet Inc. All rights reserved. 12 FY2023 Q4 Business Report 2

FY2023 Financial Highlights 13 V-shaped recovery through cost optimization and sales growth measures A year of solid foundation for sales re-growth Unit : million yen FY2022 FY2023 YoY YoY% Revenue 10，542 ８，７17 △1,824 △１７．３% Operating Income △399 １6８ ＋５6７ － Ordinary Income △419 12５ ＋５45 － Net Income △１，６３３ 1４３ ＋１，7７６ －

Compared to Initial Forecast 14 Initial forecast for each profit were exceeded Upward revisions were made three times in FY2023 Unit : million yen Initial Forecast FY2023 Actual Variance Achievement Revenue ９，４００ ８，７１７ △６８2 △7.３% Operating Income 1０0 １6８ ＋６８ ＋６８．5％ Ordinary income 8０ 12５ ＋４５ ＋５６．７％ Net Income ７0 1４３ ＋73 ＋104．7％

70 74 81 168 Cumulative operating income 15 Strong operations and title acquisition also contributed to earnings Effects of cost optimization and sales growth measures materialized in Q4 Q1 Q2 Q3 Initial Forecast 100M Cost optimization Sales Growth Measures Q4 (Unit : Million yen) Compared to initial forecast + ６8.5%

2,679 2,658 2,118 1,853 2,087 Revenue 16 Solidify foundation for sales growth by expanding business into new domain Q4 Q１ Q2 Q3 Q4 2023 2022 Title acquisitions, expansion into new domains, and higher fantasy sports revenues contributed to sales growth. (Unit : Million yen)

22/Q4 23/Q1 23/Q2 23/Q3 23/Q4 Amortization Fixed cost Variable cost Cost 17 Decrease total expenses by 1,072 million yen ２,000 2,１１４ １,８４6 3,072 ２,５８７ △ ３４.9％ Significant reduction of fixed costs through continuous cost optimization YoY Q４ Q１ Q２ Q３ Q４ 2023 202２ (Unit : Million yen)

Operating Income 70 3 7 87 All quarterly operating profits were in the black Significant increase in Q4 profit due to management and title measures -392 YoY ＋ ４８０ Million yen Q４ Q１ Q２ Q３ Q４ 2023 202２ 18 (Unit : Million yen)

Balance Sheet 19 △116 △132 △23 19 60 22.7 28.7 33.0 32.2 30.7 0.0 5.0 10.0 15.0 20.0 25.0 30.0 35.0 -80 -60 -40 -20 0 20 40 60 80 100 Net Cash Equity Ratio Q4 Q1 Q2 Q3 Q4 Balance Sheet Net Cash / Equity Ratio Total assets：3,463 Q4 Net assets increased due to strong performance and the recognition of deferred tax assets CA 2,８１７ NCA 6４６ Cash 1,5５４ CL 1,４９９ NCL ８４３ NA 1,1２０ 2023 Total assets：３,７４３ 23/Q３ 23/Q４ CA 2,９０４ NCA ８３８ Cash 1,5３０ CL 1,６８4 NCL 8０4 NA 1,254 2022 (Unit : Million yen) (Unit : Million yen)

© Mynet Inc. All rights reserved. 20 FY2023 Q4 Topics 3

Business Progress 21 Strong existing business, business expansion in new areas Fantasy sports sales reached a record high New Domain Fantasy Sports ◎ ◎ 〇 Game Business Sports DX Business Segment Evaluation Situation ・ Steady progress in contracted development ・ Strengthening of partial outsourcing ・ Strong sales in “B.LEAGUE＃LIVE２０２３” Operation Aquisition △ ・ 1 title acquired in Q4 ・ Year-end title measures contributed to results

Progress of FY2023 22 Cost optimization completed Strengthen expansion into new domain in the 2nd half 1st Half 2nd Half Done Continued in FY2024 Selection and concentration of new businesses Business restructuring through withdrawal from loss-making businesses and business transfers fixed cost Reduction Cost reduction and personnel rationalization Business expansion into new domain Shift resources to peripheral areas of games Establishment of fantasy sports business Expansion of development line to multiple competitions Transformation to a sustainable profit structure Cost optimization Revenue re-growth

△ 〇 〇 ◎ ◎ FY2023 Review ｜Game Business Diversify into new areas while generating profits from existing businesses Solidify foundation for sales growth by expanding into new domain M&A Sports game development company M&A Consulting Company Alliance HR Management Company New Orders Received New Development New Domain Development Outsourcing Partial Outsourcing Existing Purchase Operation Strong Performance Execution Time lag Internal target ratio １０６％ Acquired in Q4 1 Development project 1 M&A and alliance 2 New development line ２ 23

FY2023 Review ｜ Fantasy Sports Business A year of focus on fantasy sports and strengthening competitiveness 21-22 season 22-23 season 23-24 season Record high Average Sales +173.8％ YoY Record performance Completed PMF of A“B.LEAGUE＃LIVE“ Topics Development line expansion M&A Organizational Expansion Presence Expand development lines from 1 to 3 Develop new monetization scheme OneSports NEXT joins Mynet group Strengthen sports content members Joined the Board of Directors of the Sports Ecosystem Promotion Council Selection and concentration Reduce investments outside of main businesses Focus on fantasy sports 24

© Mynet Inc. All rights reserved. 25 FY2024 Forecast 4

FY2024 Forecast 26 Plan to increase revenue and profit in FY2024 Revenue up +10.1%, Operating income is expected to increase by +30.6% Unit : Million yen FY2023 FY2024 YoY YoY% Revenue 8，717 ９，６00 ８８２ +１0．1% Operating Income 1６8 2２０ ５１ +３0．6％ Ordinary Income 1２5 １７０ ４４ +３5．6％ Net Income 143 1６5 ２1 +15．2％ Dividend Forecast ０ ０ - -

10,542 8,717 9,600 △３９９ 168 220 FY2024 Policy 27 Achieve revenue and profit growth in FY2024 Continue sustainable growth measures in FY2025 and beyond Revenue Operating Income 202２ 2023 2024 202２ 2023 2024 2025 2025 (Unit : Million yen) (Unit : Million yen)

Game Business｜Strategy 28 Resource shift from Secondary Biz to new domain Focus on business expansion into new domains FY202２ ０％ FY202３ ８％ FY202４ 28％ Occupancy rate of New Domain New Domain Secondary Biz Outsourcing Partial Outsourcing Development Outsourcing New Development

Fantasy Sports Business｜Strategy Work on “adding more competitions” ✕ "expanding of monetization” Accelerate the speed of growth by consolidating business resources Business Development Reinforcement Major Sports A Major Sports B monetization α monetization β 100% Group Company OneSports NEXT Aim to become a content development studio that advances sports and fan engagement Sports Fan Engagement 29

Disclaimer 30 The information provided in this material includes so-called “forward-looking statements”. They are based on current estimates, forecasts, and assumptions that involve risks and involve uncertainties that could cause results to differ materially from those in the statements. These risks and uncertainties include general industry and market conditions, and general national and international economic conditions such as interest rate and currency exchange fluctuations. We are under no obligation to update or revise the "forward-looking information" contained in this document, even if new information or future events occur.

© Mynet Inc. All rights reserved. 31