[Amended] Material event report (decision to sell own convertible bonds)

What happened

Amendment Report July 7, 2026

1. Disclosure document being amended: Material event report (decision to sell own convertible bonds) 2. Original submission date of the disclosure document being amended: April 7, 2026 3. Amendment details Item 9 (Expected date of receipt of sale proceeds) - reason: change of the date of receipt of sale proceeds - before: 2026-07-07 - after: 2026-08-07 Item 13 (Other matters for investors' reference) - see Note 1 (before) and Note 2 (after)

Note 1) Before change - (3) Payment receipt schedule Deposit: April 7, 2026, KRW 400,000,000 Balance: July 7, 2026, KRW 6,404,000,000

Note 2) After change - (3) Payment receipt schedule Deposit: April 7, 2026, KRW 400,000,000 Balance: August 7, 2026, KRW 6,404,000,000

Material Event Report / Exchange Reporting Duty Matter To: Financial Services Commission / Korea Exchange April 7, 2026

Company name: Moadata Co., Ltd. CEO: Han Sang-jin Head office address: 810, 46 Dallaenae-ro, Sujeong-gu, Seongnam-si, Gyeonggi-do (Siheung-dong, Seongnam Global Convergence Center) Phone: 070-4099-5131 Website: http://www.moadata.ai Preparer: (Title) Head of Management Support Division (Name) Lee Geon-woong (Phone) 070-4187-2057

Decision to Sell Own Convertible Bonds

1. Type of bonds: Series 9, unregistered, interest-bearing, unsecured, privately placed convertible bonds 2. Bond issue date: September 20, 2024 3. Bond issuance method: private placement 4. Bond maturity date: September 20, 2028 5. Total face value (electronically registered) of the bonds (KRW): 7,000,000,000

6. Pre-maturity acquisition history of the bonds being sold Face value (electronically registered) amount of bonds being sold (KRW): 6,300,000,000 Acquisition amount (KRW): 6,633,331,825 Circumstances of acquisition: 1. acquisition dates January 9, 2026 and April 7, 2026; 2. reason for acquisition: exercise of the early redemption call option and acquisition before maturity by mutual agreement with the bondholder

7. Sale decision date: April 7, 2026 8. Sale amount: KRW 6,804,000,000. Basis for calculation: determined through negotiation with the buyer considering the current share price, the likelihood of conversion requests or early redemption of the convertible bonds, etc. 9. Expected date of receipt of sale proceeds: August 7, 2026 10. Purpose of sale: improving financial structure and securing working capital

11. Matters concerning conversion: conversion ratio 100%; conversion price as of report date KRW 1,023/share; type of shares to be issued upon conversion - Moadata Co., Ltd. common shares; number of shares 6,158,357; ratio to total shares 14.48%; conversion request period start date September 20, 2025, end date August 20, 2028

12. Whether subject to Fair Trade Commission reporting: not applicable

13. Other matters for investors' reference (1) The ratio to total shares (%) in item 11 above is calculated including the shares to be issued upon conversion, based on the total number of voting shares issued as of the sale decision date. (2) Matters concerning the early redemption request right (put option): the bondholder may, on September 20, 2025 (one year from the issue date of the bonds) and on the corresponding date each month thereafter (the "early redemption date," excluding the maturity date), request early redemption, before maturity, in accordance with the early redemption request period in the table below, of the full amount (rounding down amounts of less than KRW 1) obtained by multiplying the electronically registered amount for which early redemption is requested by the early redemption rate (7% per annum, compounded quarterly). If the early redemption date is not a banking business day, redemption will be made on the following business day, and no interest will accrue after the early redemption date.

Early redemption schedule (number: request period from-to / early redemption date / early redemption rate): 1st: 2025-09-01 to 2025-09-15 / 2025-09-20 / 104.1062 2nd: 2025-09-22 to 2025-10-13 / 2025-10-20 / 104.4594 3rd: 2025-10-30 to 2025-11-13 / 2025-11-20 / 104.8245 4th: 2025-12-01 to 2025-12-15 / 2025-12-20 / 105.1780 5th: 2025-12-29 to 2026-01-13 / 2026-01-20 / 105.5535 6th: 2026-01-27 to 2026-02-10 / 2026-02-20 / 105.9292 7th: 2026-02-26 to 2026-03-13 / 2026-03-20 / 106.2687 8th: 2026-03-30 to 2026-04-13 / 2026-04-20 / 106.6424 9th: 2026-04-27 to 2026-05-13 / 2026-05-20 / 107.0042 10th: 2026-06-01 to 2026-06-15 / 2026-06-20 / 107.3784 11th: 2026-06-29 to 2026-07-13 / 2026-07-20 / 107.7463 12th: 2026-07-29 to 2026-08-12 / 2026-08-20 / 108.1268 13th: 2026-08-31 to 2026-09-14 / 2026-09-20 / 108.5075 14th: 2026-09-23 to 2026-10-13 / 2026-10-20 / 108.8859 15th: 2026-10-30 to 2026-11-13 / 2026-11-20 / 109.2773 16th: 2026-11-30 to 2026-12-14 / 2026-12-20 / 109.6564 17th: 2026-12-29 to 2027-01-13 / 2027-01-20 / 110.0587 18th: 2027-01-28 to 2027-02-15 / 2027-02-20 / 110.4614 19th: 2027-02-26 to 2027-03-15 / 2027-03-20 / 110.8253 20th: 2027-03-30 to 2027-04-13 / 2027-04-20 / 111.2258 21st: 2027-04-27 to 2027-05-12 / 2027-05-20 / 111.6136 22nd: 2027-05-31 to 2027-06-14 / 2027-06-20 / 112.0148 23rd: 2027-06-29 to 2027-07-13 / 2027-07-20 / 112.4090 24th: 2027-07-29 to 2027-08-12 / 2027-08-20 / 112.8168 25th: 2027-08-25 to 2027-09-08 / 2027-09-20 / 113.2251 26th: 2027-09-27 to 2027-10-13 / 2027-10-20 / 113.6306 27th: 2027-11-01 to 2027-11-15 / 2027-11-20 / 114.0501 28th: 2027-11-29 to 2027-12-13 / 2027-12-20 / 114.4565 29th: 2027-12-30 to 2028-01-13 / 2028-01-20 / 114.8828 30th: 2028-01-31 to 2028-02-14 / 2028-02-20 / 115.3097 31st: 2028-02-25 to 2028-03-13 / 2028-03-20 / 115.7095 32nd: 2028-03-30 to 2028-04-13 / 2028-04-20 / 116.1385 33rd: 2028-04-26 to 2028-05-15 / 2028-05-20 / 116.5543 34th: 2028-05-29 to 2028-06-13 / 2028-06-20 / 116.9844 35th: 2028-06-29 to 2028-07-13 / 2028-07-20 / 117.4068 36th: 2028-07-28 to 2028-08-11 / 2028-08-20 / 117.8439

1) Place for early redemption request: head office of the issuer 2) Place for early redemption payment: KB Kookmin Bank, Chungmuro Station Integrated Financial Center 3) Early redemption request period: a bondholder wishing to exercise the put option must request early redemption from the issuer from 15 business days before to 5 business days before the early redemption date. If the start or end of the request period is not a business day, the following business day applies. If the request date is within 1 year from the bond issue date, early redemption is possible only for the full electronically registered amount of each trading unit. 4) Early redemption request procedure: the bondholder requests early redemption to the Korea Securities Depository through the relevant account management institution (or directly if electronically registered in the institution's own account), and the Korea Securities Depository consolidates the requests and presents the early redemption request at the place of request.

(3) Payment receipt schedule - Item 9, "Expected date of receipt of sale proceeds," above is the expected date of receipt of the balance payment. - The full payment receipt schedule for this matter: deposit April 7, 2026, KRW 400,000,000; balance August 7, 2026, KRW 6,404,000,000. (If the payment date is not a Seoul banking business day, payment will be made on the following business day.)

[Matters Concerning the Buyer] Buyer name: Brookfield No.1 Investment Association Relationship with the company or largest shareholder: - Selection process: selected considering the investor's willingness and ability to pay, timing, etc., to achieve the company's management objectives and promptly raise needed funds Transaction history and plans within 6 months before/after the sale decision: - Face value amount of bonds purchased (KRW): 6,300,000,000 Remarks: -

[Where the Buyer Includes a Corporation or Organization] (1) Basic information Name: Brookfield No.1 Investment Association Number of investors: 2 Representative director: Kim Dong-uk, 60.00% Largest shareholder: Kim Dong-uk, 60.00%

(2) Key financial information for the most recent fiscal year (Unit: KRW million) Fiscal year -, closing month - Total assets: - Revenue: - Total liabilities: - Net income (loss): - Total equity: - External auditor: - Capital stock: - Audit opinion: - * This association was newly formed this year and does not yet have financial statements for a most recent fiscal year-end.