Annual Large Business Group Status Disclosure (Individual Company) — Wonik IPS

Summary

This is the annual large business group status disclosure for the Wonik group, filed by the individual company. The filing reports KRW 909.8B in revenue, KRW 73.1B in operating profit, and KRW 82.6B in net income for the prior fiscal year, with a low debt-to-equity ratio of 20.31%. One new overseas subsidiary, ADVANCED TECH-INTEGRATION SOLUTIONS CO., LTD. in China, was added to the group on 2026-02-02 for semiconductor equipment production, sales, and customer support. The board also approved a 2025-2027 dividend policy and welcomed Kim Yong-gil (former ASM Korea Chairman/CEO) as a new inside director and board chair effective 2026-03-24. This is a routine annual regulatory filing with no material changes to control or operations.

Historical Impact

4 past Large Business Group Filing events at Wonik IPS

Median +5d

-0.27%

Range

-5.54% to +5.26%

Positive outcomes

2/4

Filed	P₀	P₊₅	+5d
Feb 27, 2026	₩125,600	₩124,300	-1.03%
Dec 1, 2025	₩61,500	₩61,800	+0.49%

Full Translation

Business Group Status Disclosure (Annual - Individual Company Use) 6.2 Wonik IPS Co., Ltd. Status Disclosure on Member Companies of a Large Business Group Business Group Name: Wonik Business Group Identical Person (Controlling Shareholder): Lee Yong-han Business Group Representative Company: Wonik Holdings Co., Ltd. Filing Company: Wonik IPS Co., Ltd. Contact: Kim Ae-ri (Manager), Phone: 031-289-3571 <Reference> The representative company for the Wonik business group status disclosure is Wonik Holdings Co., Ltd. The overall status disclosure of the Wonik business group is identical to the Wonik business group status disclosure submitted by the representative company Wonik Holdings, so please refer to the Wonik business group status disclosure submitted by Wonik Holdings. 1. General Status (1) Company Overview (as of this year's designation date, unit: persons) - Member Company: Wonik IPS Co., Ltd. - Representative: Ahn Tae-hyuk - Establishment Date: 2016.04.04 - Group Affiliation Date: 2016.04.04 - Industry: C2927 (Manufacture of Semiconductor and Display Manufacturing Equipment) - Number of Employees: 1,525 - Listing Status: Listed - Fiscal Year-End: 2025.12.31 - Classification: Non-financial company (1-1) Business Activities Status (as of this year's designation date) - Wonik IPS Co., Ltd.: - C2927 (Semiconductor & Display Manufacturing Equipment): Semiconductor & display manufacturing equipment - L6811 (Real Estate Leasing): Real estate leasing (2) Company Financial Status (Individual Balance Sheet basis, prior fiscal year-end, unit: KRW million, %) Wonik IPS Co., Ltd.: - Current Assets (a): 694,225 - Cash & Cash Equivalents within Current Assets: 102,742 - Non-current Assets (b): 467,946 - Total Assets (a+b): 1,162,171 - Current Liabilities (c): 189,690 - Non-current Liabilities (d): 6,465 - Total Liabilities (c+d): 196,155 - Borrowings within Total Liabilities: - - Capital Stock: 24,542 - Total Equity: 966,016 - Debt-to-Equity Ratio: 20.31% (3) Company Profit & Loss Status (Individual Income Statement basis, prior fiscal year-end, unit: KRW million) Wonik IPS Co., Ltd.: - Revenue (or Operating Revenue): 909,821 - Operating Profit: 73,109 - Other Income: 40,924 - Other Expenses: 9,681 - Interest Expense within Other Expenses: - - Net Income: 82,565 * During the prior fiscal year, total interest expense of KRW 51 million was incurred related to borrowings and lease liabilities, but the entire amount was capitalized, so no amount was recorded as interest expense on the income statement. (4) Overseas Affiliate Status (overseas affiliates where a domestic affiliate is the largest shareholder, as of this year's designation date): - WUXI WONIK IPS SEMICONDUCTOR EQUIPMENT TECHNOLOGY CO., LTD: Semiconductor equipment A/S, 100% internal stake, China, FY-end 2025.12.31, largest shareholder: Wonik IPS (100%) - Kunshan Tera Semicon Equipment Technology Co., LTD: Display equipment A/S, 100%, China, 2025.12.31, Wonik IPS (100%) - WONIK GLOBAL PTE. LTD.: Financial investment, 100%, Singapore, 2025.12.31, Wonik IPS (75%) - Wonik IPS USA, Inc.: Semiconductor equipment A/S, 100%, USA, 2025.12.31, Wonik IPS (100%) - Wonik IPS (Xian) Semiconductor Equipment Co., Ltd.: Semiconductor equipment A/S, 100%, China, 2025.12.31, Wonik IPS (100%) - WONIK IPS SG PTE. LTD.: Semiconductor equipment A/S, 100%, Singapore, 2025.12.31, Wonik IPS (100%) - ADVANCED TECH-INTEGRATION SOLUTIONS CO., LTD.: Semiconductor equipment production/sales/customer support, 100%, China, 2025.12.31, Wonik IPS (100%) (5) Affiliate Change Status (additions/removals from prior year's designation date+1 to this year's designation date): - Added (1): ADVANCED TECH-INTEGRATION SOLUTIONS CO., LTD. — Reason: Company establishment, Date: 2026.02.02, Industry: C2927 (Semiconductor & Display Manufacturing Equipment) - Net increase: 1 2. Operating Status of Executives, Board of Directors, etc. [ESG] (1) Executive Status [ESG] — Registered executives (as of this year's designation date): - Ahn Tae-hyuk: CEO, appointed 2024.01.02, registered 2024.01.02, term ends 2028.03.24, no family relation to controlling shareholder, no concurrent positions, Career: Former Samsung SDI Vice President, Re-appointed - Ahn Tae-hyuk: Inside Director, appointed 2022.03.24, registered 2022.03.29, term ends 2028.03.24, Career: Former Samsung SDI VP, Re-appointed - Kim Yong-gil: Inside Director (Board Chair), appointed 2026.03.24, registered 2026.03.30, term ends 2029.03.24, Career: Former ASM Korea CEO/Chairman, Newly appointed - Lee Yong-han: Inside Director, appointed 2017.03.24, registered 2017.03.28, term ends 2029.03.24, Controlling Shareholder, Concurrent positions: Wonik Holdings (affiliate), Horizon LLC (affiliate), Wonik QnC (affiliate), Wonik Materials (affiliate), Wonik Investment Partners (affiliate), WONIK Quartz International Corporation (affiliate); Career: Current Wonik Chairman, Inside Director at Wonik Co., Ltd. and Wonik Cube; Re-appointed - Park Dong-gun: Outside Director, appointed 2022.03.24, term ends 2028.03.24, Career: Former Samsung Display CEO, Re-appointed - Park Dong-gun: Audit Committee Member, appointed 2022.03.24, term ends 2028.03.24, Re-appointed - Kang Bong-yong: Outside Director (Audit Committee Chair), appointed 2025.03.26, term ends 2028.03.24, Concurrent: YC Co., Ltd.; Career: Former Samsung Electro-Mechanics VP, Newly appointed - Kang Bong-yong: Audit Committee Member, appointed 2025.03.26, term ends 2028.03.24, Newly appointed - Hong Sung-ju: Outside Director, appointed 2025.03.26, term ends 2028.03.24, Career: Former SK Hynix VP, Newly appointed - Hong Sung-ju: Audit Committee Member, appointed 2025.03.26, term ends 2028.03.24, Newly appointed * Notes on term expiration dates for Wonik IPS executives: - CEO Ahn Tae-hyuk (appointed 2024.01.02): term ends 2028.03.24 (at close of shareholder meeting) - Inside Director Ahn Tae-hyuk (appointed 2022.03.24): term ends 2028.03.24 - Inside Director Kim Yong-gil (appointed 2026.03.24): term ends 2029.03.24 - Inside Director Lee Yong-han (appointed 2017.03.24): term ends 2029.03.24 - Outside Director Park Dong-gun (appointed 2022.03.24): term ends 2028.03.24 - Audit Committee Member Park Dong-gun: term ends 2028.03.24 - Outside Director Kang Bong-yong (appointed 2025.03.26): term ends 2028.03.24 - Audit Committee Member Kang Bong-yong: term ends 2028.03.24 - Outside Director Hong Sung-ju (appointed 2025.03.26): term ends 2028.03.24 - Audit Committee Member Hong Sung-ju: term ends 2028.03.24 (2) Board of Directors, Internal Committees, General Shareholder Meeting-related Systems, and Minority Shareholder Rights Exercise Status [ESG] A. Board of Directors Operating Status (from prior year's designation date+1 to this year's designation date): Board members: Ahn Tae-hyuk, Lee Hyun-deok, Lee Yong-han, Park Dong-gun, Kang Bong-yong, Hong Sung-ju - 2025.07.16: Amendment of Internal Accounting Management Regulations — Approved as proposed; 3 outside directors attended, 0 absent, 0 opposed - 2025.10.13: Establishment of Overseas Corporation — Approved as proposed; 3 outside directors attended - 2025.11.05: 2025~2027 Dividend Policy — Approved as proposed; 3 outside directors attended - 2026.02.25: 2025 (10th Fiscal Year) Financial Statements and... [Translation truncated]