[Amended] Related party's participation in rights offering

What happened

Amendment report July 21, 2026 1. Document being amended: Related party's participation in rights offering 2. Original filing date of document being amended: April 13, 2026 3. Amendment details

Item: 2. Capital contribution details - a. Contribution amount Reason for amendment: amendment due to a change in the rights offering issuance terms, a change in the related party's participation details, and finalization of the rights offering issue price Before: 843,897 After: 412,269

Item: 2. Capital contribution details - b. Number of shares subscribed (shares) Before: common shares, 25,342,255 shares After: common shares, 18,654,715 shares

Item: 2. Capital contribution details - c. Equity ratio after contribution (%) Before: 35.98 After: 36.05

Item: 2. Capital contribution details - e. Price per share (KRW) Before: 33,300 After: 22,100

Item: 3. Rights offering details - a. Capital increase amount Before: 2,397,600 After: 1,171,300

Item: 3. Rights offering details - b. Number of shares issued (shares) Before: 72,000,000 After: 53,000,000

Item: 4. Board resolution date Before: 2026.04.13 After: 2026.07.21

Item: 5. Other Before: This matter concerns Hanwha Corporation, the largest shareholder, participating in the Company's rights offering via general public offering of forfeited shares after shareholder allotment. Hanwha Corporation is expected to be allotted 21,118,546 shares under the existing-shareholder allotment ratio, and disclosed, through the board resolution of April 8, 2026, its plan to subscribe for up to the maximum subscription limit of 25,342,255 shares (120% of the allotted shares). - The above "2. Capital contribution details" items "a. Contribution amount," "b. Number of shares subscribed," and "c. Equity ratio after contribution" are based on the maximum (up to 120%) including Hanwha Corporation's over-subscription, and will be finally confirmed according to the over-subscription allotment results. - The above "2. Capital contribution details" items "a. Contribution amount" and "e. Price per share," and "3. Rights offering details" item "a. Capital increase amount" apply the expected issue price and may change according to the final issue price to be confirmed later. Please refer to the schedule disclosed in the Company's material event report and securities registration statement. - The decision and execution of details related to this transaction have been delegated to the Representative Director, and the above details may change as the matter progresses. After: This matter concerns Hanwha Corporation, the largest shareholder, participating in the Company's rights offering via general public offering of forfeited shares after shareholder allotment. Hanwha Corporation is expected to be allotted 15,545,596 shares under the existing-shareholder allotment ratio, and disclosed, through the board resolution of July 21, 2026, its plan to subscribe for up to the maximum subscription limit of 18,654,715 shares (120% of the allotted shares). - The above "2. Capital contribution details" items "a. Contribution amount," "b. Number of shares subscribed," and "c. Equity ratio after contribution" are based on the maximum (up to 120%) including Hanwha Corporation's over-subscription, and will be finally confirmed according to the over-subscription allotment results. - The above "2. Capital contribution details" items "a. Contribution amount" and "e. Price per share," and "3. Rights offering details" item "a. Capital increase amount" apply the final issue price confirmed on 2026.07.20. - The decision and execution of details related to this transaction have been delegated to the Representative Director, and the above details may change as the matter progresses.

Related disclosure dates: 2026.03.26 Material event report (rights offering decision) 2026.04.08 [Amended] Material event report (rights offering decision) 2026.03.26 Material event report (rights offering decision) 2026.04.08 [Amended] Material event report (rights offering decision) 2026.04.17 [Amended] Material event report (rights offering decision) 2026.05.12 [Amended] Material event report (rights offering decision) 2026.05.14 [Amended] Material event report (rights offering decision) 2026.05.26 [Amended] Material event report (rights offering decision) 2026.06.12 [Amended] Material event report (rights offering decision) 2026.07.20 [Amended] Material event report (rights offering decision) 2026.04.13 Related party's participation in rights offering

[Related party's participation in rights offering] Business group name: Hanwha Company name: Hanwha Solutions Corporation Disclosure date: 2026.07.21 Related regulation: Article 26 of the Monopoly Regulation and Fair Trade Act (Unit: KRW millions)

1. Rights offering participant: Hanwha Corporation Relationship with the company: affiliate 2. Capital contribution details a. Contribution amount: 412,269 b. Number of shares subscribed (shares): common shares, 18,654,715 shares c. Equity ratio after contribution (%): 36.05 d. Method of contribution: participation in rights offering via general public offering of forfeited shares after shareholder allotment e. Price per share (KRW): 22,100 3. Rights offering details a. Capital increase amount: 1,171,300 b. Number of shares issued (shares): 53,000,000 4. Board resolution date: 2026.07.21 - Outside directors present: attended (4), absent (-) - Auditor (audit committee member) attendance: attended 5. Other [Same text as "After" above.]

Related disclosure dates: [same list as above]