[Amended] Material event report (CB call option holder designated)

What happened

Xplus / Material Event Report (Convertible Bond Call Option Holder Designated) / (2026.09.30)

Amendment Report September 30, 2026

1. Disclosure document being amended: Material Event Report (Convertible Bond Call Option Holder Designated) 2. Original filing date of the disclosure document being amended: February 24, 2026

3. Amendment details Item: Reason for amendment / Before amendment / After amendment

9. (Expected) receipt date of the designation consideration (transfer price): Change due to reflecting adjustment of the conversion price and number of convertible shares: September 30, 2026 -> October 29, 2026

10. Matters regarding conversion / Shares to be issued upon conversion / Ratio to total shares (%): Conversion price as of the reporting date (KRW/share): 606; Number of shares: 12,912,541; Ratio to total shares (%): 11.48 -> Conversion price as of the reporting date (KRW/share): 3,011; Number of shares: 2,598,804; Ratio to total shares (%): 10.38

[Selection process, transaction history, designation consideration, etc. by designee] 1st payment (2/24): KRW 195,625,000 (50%); 2nd payment (9/30): KRW 195,625,000 (50%) -> 1st payment (2/24): KRW 195,625,000 (50%); 2nd payment (10/29): KRW 195,625,000 (50%)

Note 1: The conversion price and number of convertible shares were adjusted following the share consolidation (KRW 606 -> KRW 3,030) and rights offering (KRW 3,030 -> KRW 3,011).

Material Event Report To: Financial Services Commission February 24, 2026 Company name: Xplus Inc. Representative Director: Yoon Sang-cheol Head office address: 13F Building A, 201 Songpa-daero, Songpa-gu, Seoul (Phone) 02-3446-7421 (Website) http://xplusinc.ocm Person responsible for preparation: (Title) Executive Director (Name) Kim Nam-gyun (Phone) 02-3446-7421

Convertible Bond Call Option Holder Designated

1. Type of bonds: Series 4; Type: Bearer-form, interest-bearing, unsecured, privately placed convertible bonds 2. Bond issue date: February 25, 2025 3. Bond issue method: Private placement 4. Bond maturity date: February 25, 2028 5. Whether this is a designation of the exercising party or a transfer: Designation of exercising party

6. Details of the call option holder designation (transfer): Face value (electronically registered) of the convertible bonds subject to the call option holder designation (transfer) (A): KRW 7,825,000,000 Total face value (electronically registered) of the relevant convertible bonds (B): KRW 15,650,000,000 Designation ratio (%) (A/B): 50

7. Designation date (transfer date): February 24, 2026

8. Designation consideration (transfer amount): Amount (KRW): 391,250,000; Basis of calculation: 5% of the exercise amount

9. (Expected) receipt date of the designation consideration (transfer amount): October 29, 2026

10. Matters regarding conversion: Conversion ratio (%): 100; Conversion price as of the reporting date (KRW/share): 3,011; Type of shares to be issued upon conversion: Xplus Inc. registered common shares; Number of shares: 2,598,804; Ratio to total shares (%): 10.38; Conversion request period: Start date February 25, 2026; End date January 25, 2028

11. Whether subject to Fair Trade Commission reporting: Not applicable

12. Other matters for investment reference: [Matters regarding the call option] 1) The issuing company and the person it designates (the "Purchaser") may demand that each bondholder sell, on a pro rata basis, the bonds held by the bondholder to the Purchaser, on the 20th day of each month (each a "Trading Date"; if that day is not a business day, the next business day) from the date one year after the bond issue date (February 25, 2026) to the date two years after the bond issue date (February 25, 2027), and the bondholder must sell the bonds it holds to the Purchaser upon the issuing company's demand. However, the issuing company may exercise the call option against each bondholder only up to 50% of the issue amount of the bonds held by that bondholder. 2) Call option exercise period and method: The Purchaser must exercise the call option by giving the bondholder written notice, at least 10 business days (days on which banks in Seoul conduct ordinary business, excluding Saturdays, public holidays, and days on which only some banks or some branches operate) before each Trading Date, stating the purchaser's name, the quantity of bonds to be purchased, the payment date for the purchase price, and the purchase price. The sale and purchase agreement for the bonds is deemed concluded at the time the issuing company's sale demand reaches the bondholder. 3) To secure the issuing company's exercise of the call option under item 1 above, if the underwriter of the bonds transfers the bonds before the end of the call option exercise period, it must do so in a manner that preserves the issuing company's call option under item 1. In addition, if the bonds are transferred, the details of the transfer must be notified to the issuing company within 10 business days of the transfer date. 4) From the issue date until the end of the exercise period (February 25, 2027), each bondholder must hold, in bond form without exercising the conversion right or early redemption request right, 50% of the total face value held, in order to secure the issuing company's exercise of the call option, and the issuing company may exercise the call option within 50% of the total face value held by each bondholder. 5) Purchase price: The purchase price is the amount obtained by applying an annual rate of 6% to the call option exercise amount up to the Trading Date. * Purchase price = Call option exercise amount (face value) x (1 + 0.06 x bond holding period / 365) 6) When the issuing company makes a sale demand to a bondholder under items 1 through 5 above, the Purchaser pays the purchase price by the method designated by the bondholder within the payment due date for the purchase price, and the bondholder delivers the bonds subject to the sale demand to the Purchaser without delay after receiving the purchase price.

[Selection process, transaction history, designation consideration, etc. by designee] Designee name: Alpha Investment Association Relationship with the company or largest shareholder: - Selection process: Selected by the board of directors considering the ability to exercise the call option and the Company's fundraising needs, etc. Transactions within 6 months before/after the designation date (transfer date), and plans: - Face value (electronically registered) of convertible bonds for which the call option was transferred or an exercising party designated (KRW): 7,825,000,000 Designation consideration (transfer amount): 391,250,000 Remarks: - Note 1: The above "designation consideration" is scheduled to be received as follows: - 1st payment (2/24): KRW 195,625,000 (50%) - 2nd payment (10/29): KRW 195,625,000 (50%)

[If the designee includes a corporation or organization] (1) Basic information on the corporation or organization Name: Alpha Investment Association; Number of investors: 2; Representative Director (representative partner): Park Ha-seon, 90.0%; Managing partner: Park Ha-seon, 90.0%; Largest shareholder (largest investor): Park Ha-seon, 90.0%; Choi Min-gyu, 10.0%

(2) Key financial information for the most recent fiscal year of the corporation or organization (Unit: KRW million) Fiscal year: -; Settlement month: -; Total assets: -; Revenue: -; Total liabilities: -; Net income (loss): -; Total equity: -; External auditor: -; Capital: -; Audit opinion: -