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

What happened

Material Event Report (Decision to Sell Own Convertible Bonds) 6.0 Agent AI Co., Ltd. Correction Report (Notice) October 1, 2026

1. Disclosure document subject to correction: Material Event Report (Decision to Sell Own Convertible Bonds) 2. Initial filing date of the disclosure document subject to correction: September 18, 2025

3. Matters corrected Item: 8. Sale amount - Amount (KRW); Reason for correction: correction of a typographical error Before correction: 2,000,000,000 After correction: 2,050,000,000

Material Event Report / Matter subject to mandatory exchange reporting To: Financial Services Commission / Korea Exchange September 18, 2025 Company name: Digipi Co., Ltd. CEO: Oh Kyung-won Head office location: 23 Greentech-ro, Yeonggwang-eup, Yeonggwang-gun, Jeollanam-do (Tel) 02-562-5310 (Website) http://www.daehangreenpower.com Preparer: (Title) Executive Vice President (Name) Ham Sang-ok (Tel) 070-4437-1629

Decision to Sell Own Convertible Bonds

1. Type of bonds Series: 33 Type: unregistered, interest-bearing, unsecured, privately placed convertible bonds

2. Bond issuance date: February 27, 2024

3. Bond issuance method: private placement

4. Bond maturity date: February 27, 2027

5. Total face (electronically registered) amount of the bonds (KRW): 10,100,000,000

6. Details of pre-maturity acquisition of the bonds subject to sale Face (electronically registered) amount of the bonds subject to sale (KRW): 4,000,000,000 Acquisition amount (KRW): 4,264,643,272 Reason for acquisition: pre-maturity acquisition of the bonds through agreement with the bondholder

7. Sale decision date: September 18, 2025

8. Sale amount Amount (KRW): 2,050,000,000 Basis for calculation: determined through negotiation with the buyer, considering the current stock price situation, conversion requests on the convertible bonds, etc.

9. (Expected) date of receipt of sale proceeds: September 29, 2025

10. Purpose of the sale: securing operating funds

11. Matters concerning conversion Conversion ratio (%): 100 Conversion price as of the filing date (KRW/share): 10,000 Type of shares to be issued upon conversion: Agent AI Co., Ltd. common stock Number of shares: 200,000 Ratio to total number of shares (%): 3.05 Conversion request period: start date February 27, 2025; end date January 27, 2027

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

13. Other matters for reference in investment decisions 1) The above decision to resell the convertible bonds is a resale of the entire KRW 4 billion (face amount) of the "33rd series unregistered, unsecured, privately placed convertible bonds" that the company acquired prior to maturity on March 28, 2025 and June 27, 2025. 2) The above (expected) date of receipt of sale proceeds is the date on which the bonds will be delivered to the buyer pursuant to the bond sale and purchase agreement between the company and the buyer. 3) The conversion price (KRW/share) as of the filing date above reflects a change in the conversion price due to the dilution effect of the paid-in capital increase (third-party allotment) under the small-scale public offering paid in on May 9, 2025. 4) Matters concerning adjustment of the conversion price: Within the scope permitted under relevant laws, the conversion price may be adjusted after the issuance date of these bonds and before conversion of these bonds, due to any of the following causes: (a) Where, before a holder of these bonds requests conversion, the issuing company issues shares through a paid-in capital increase, stock dividend, or capitalization of reserves, etc. at an issue price below market price, or issues convertible bonds or bonds with warrants at a conversion price or exercise price below market price, the conversion price shall be adjusted as follows. The adjustment date of the conversion price under this item shall be the date of issuance of new shares due to the paid-in capital increase, stock dividend, capitalization of reserves, etc., or the date of issuance of the convertible bonds or bonds with warrants. Adjusted conversion price = pre-adjustment conversion price × [(A + B × C/D) / (A + B)] A: number of shares previously issued; B: number of newly issued shares; C: issue price per share; D: market price However, in the above formula, "number of shares previously issued" shall be the total number of issued shares as of the day immediately preceding the date the relevant adjustment cause arises, and in the case of issuing convertible bonds or bonds with warrants, "number of newly issued shares" shall be the number of shares to be issued if the bonds were entirely converted at the conversion price, or if the warrants were entirely exercised at the exercise price, at the time of issuance of the relevant bonds. In addition, in the above formula, "issue price per share" shall be zero in the case of a stock split, bonus issue, or stock dividend, and shall be the conversion price or exercise price at the time of issuance of the relevant bonds in the case of issuing convertible bonds or bonds with warrants, and "market price" in the above formula shall mean the reference stock price or ex-rights price that serves as the basis for calculating the issue price. (b) Where an adjustment to the conversion price is necessary due to a merger, capital reduction, stock split or consolidation, etc., the conversion price shall be adjusted to correspond to the value of the number of shares the convertible bondholder would have been entitled to had the bonds been fully converted into shares immediately before the merger or capital reduction. Alternatively, in the case of a merger, capital reduction, stock split or consolidation, etc., the conversion price shall be adjusted considering the relevant ratio in each case. If the issuing company fails to take such measures and the convertible bondholder suffers damage as a result, the issuing company shall compensate for such damage. In addition, the issuing company shall not carry out a merger, spin-off, or business transfer in a manner that adversely affects the rights of the convertible bondholder, and shall bear an obligation to maintain continued listing. (c) Where a cause for an increase in share value arises, such as a capital reduction or share consolidation, the conversion price shall be adjusted upward by the adjustment ratio resulting from the capital reduction or share consolidation, etc. However, where the price (hereinafter the "calculated price") calculated pursuant to the main text of Article 5-22, Paragraph 1 of the "Regulation on Issuance and Disclosure of Securities" (excluding Item 3), based on the day before the resolution date of the general shareholders' meeting for the capital reduction or share consolidation, etc., is below par value, and the conversion price had already been adjusted to par value before that base date (excluding cases where the conversion price may be adjusted below par value), the adjusted conversion price shall be adjusted to no less than the price obtained by adjusting the calculated price upward by the adjustment ratio resulting from the capital reduction or share consolidation, etc. (d) The conversion price adjustment date shall be each date that is a multiple of 7 months after the issuance of these bonds, and if, based on the day before each conversion price adjustment date, the higher of (i) the arithmetic mean of the 1-month weighted arithmetic mean price, the 1-week weighted arithmetic mean price, and the base-date weighted arithmetic mean price calculated retroactively from that base date, and (ii) the base-date weighted arithmetic mean price, is lower than the conversion price as of the day immediately preceding the relevant adjustment date, that lower price shall become the new conversion price. However, the minimum adjustment limit of the conversion price shall be 70% of the initial conversion price (provided that where the conversion price has already been adjusted due to a discounted issuance of new shares or a capital reduction, etc. before the adjustment date, this shall be calculated taking that into account). (e) Notwithstanding a downward adjustment of the convertible bond conversion price due to a decline in market price under item (d) above, where a cause for an increase in share value arises for other reasons, the conversion price adjustment date shall be each date that is a multiple of 7 months from the issuance date of these bonds, and if the higher of (i) the arithmetic mean of the 1-month weighted arithmetic mean price, the 1-week weighted arithmetic mean price, and the most recent weighted arithmetic mean price calculated retroactively from the base date immediately preceding each conversion price adjustment date, and (ii) the most recent weighted arithmetic mean price, is higher than the immediately preceding conversion price, that higher price shall be adjusted upward as the new conversion price. However, where the conversion price is adjusted upward, the adjusted conversion price shall not exceed the conversion price at the time of issuance (where the conversion price has already been adjusted downward or upward before the adjustment date due to a discounted issuance of new shares or a capital reduction, etc., the price calculated taking that into account and reflecting the adjustments under items (a) through (c) above). (f) Where the conversion price adjusted under items (a) through (d) above is at or below the par value of the shares, the par value shall be the conversion price, and the aggregate issue price of the shares to be issued upon exercise of the conversion right granted to each convertible bond may not exceed the issue price of each convertible bond. (g) Amounts of less than one won in the conversion price adjusted under this item shall be rounded up.

5) The early redemption request right (put option) of the convertible bonds is as follows. A bondholder of these bonds may request early redemption, prior to maturity, of all or part of the amount obtained by multiplying the electronically registered amount for which early redemption is requested by the early redemption rate, on February 27, 2025, the date one year after the issuance date of these bonds, and on each date falling every 3 months thereafter. However, if the early redemption payment date is not a banking business day, redemption shall be made on the next business day, and no interest shall accrue after the early redemption payment date. (a) Early redemption request period, early redemption date, and early redemption rate Round: Early redemption request period (From / To); Early redemption date; Early redemption rate 1st: 2025-02-06 ~ 2025-02-20; 2025-02-27; 105.1520 2nd: 2025-05-02 ~ 2025-05-20; 2025-05-27; 106.5050 3rd: 2025-08-05 ~ 2025-08-20; 2025-08-27; 107.8851 4th: 2025-11-06 ~ 2025-11-20; 2025-11-27; 109.2928 5th: 2026-02-03 ~ 2026-02-20; 2026-02-27; 110.7287 6th: 2026-05-04 ~ 2026-05-19; 2026-05-27; 112.1932 7th: 2026-08-05 ~ 2026-08-20; 2026-08-27; 113.6871 8th: 2026-11-06 ~ 2026-11-20; 2026-11-27; 115.2108

(b) Early redemption request location: the head office of the "Issuing Company" (c) Early redemption payment location: NH Nonghyup Bank Yongsan Financial Center (d) Early redemption request period: the "Bondholder" must request early redemption to the "Issuing Company" from 15 business days before to 5 business days before the early redemption payment date. However, if the end date of the early redemption request period is not a business day, it shall extend to the next business day. (e) Early redemption request procedure: the "Bondholder" shall, if "these bonds" are electronically registered in a customer account, request early redemption from the Korea Securities Depository through the relevant account management institution, and if electronically registered in the account management institution's own account, request early redemption from the Korea Securities Depository, and the Korea Securities Depository shall compile such requests and make the early redemption request at the request location. (f) If the issuing company fails to pay the redemption amount on the early redemption payment date arising from the exercise of this early redemption request right, the issuing company shall pay default interest of 11% per annum on the relevant principal and interest.

[Matters concerning the buyer] Buyer name: Nakamoto Investment Association Relationship with the company or largest shareholder: not applicable Reason for selection: selected considering the investor's intention, payment capacity, timing, etc., in order to achieve the company's management purposes and promptly raise necessary funds Transaction history and plans within 6 months before and after the sale decision: not applicable Face amount of bonds purchased (KRW): 2,000,000,000 Note: not applicable

[Where the buyer includes a corporation or organization] (1) Basic information on the corporation or organization Name: Nakamoto Investment Association Number of investors: 5 Representative director (representative partner): Lee Hee-seup; equity 0.01% Managing partner (managing partner): not applicable Largest shareholder (largest investor): Kim Byung-jin; equity 43.04%

(2) Key financial matters for the most recent fiscal year of the corporation or organization (unit: KRW million) Fiscal year: 2024; Settlement month: December Total assets: not applicable Revenue: not applicable Total liabilities: not applicable Net income (loss): not applicable Total equity: not applicable External auditor: not applicable Capital stock: not applicable Audit opinion: not applicable