Q1 2026 Quarterly Report Filing — Wonik IPS

Summary

The company filed its 11th fiscal year Q1 quarterly report for the period January 1 to March 31, 2026. Consolidated subsidiaries increased to 6 (from 5 at prior year-end) with the addition of newly established Advanced Tech-Integration Solutions Co., Ltd. The board now comprises 6 directors following the March 2026 AGM, which appointed Kim Yong-gil as a new inside director and reappointed Lee Yong-han, while Lee Hyun-deok's term ends March 29, 2026. Total issued shares remain 49,083,901 with no capital changes; largest shareholder Wonik Holdings retains a 32.90% stake (32.94% including related parties). Credit rating remains A+ with stable watch grade from E-Credible (Sept 2025).

Historical Impact

2 past Quarterly Report · ≈ 10-Q events at Wonik IPS

Median +5d

-9.55%

Range

-13.83% to -5.27%

Positive outcomes

0/2

Filed	P₀	P₊₅	+5d
Nov 14, 2025	₩65,800	₩56,700	-13.83%
May 15, 2025	₩22,750	₩21,550	-5.27%

Full Translation

Quarterly Report (11th fiscal year, Q1) Fiscal year: January 1, 2026 to March 31, 2026 Submitted to: Financial Services Commission, Korea Exchange Submission date: May 15, 2026 Filing entity type: Listed corporation Exemption reason: None Company name: Wonik IPS Co., Ltd. CEO: Ahn Tae-hyuk Head office: 75 Jinwisandan-ro, Jinwi-myeon, Pyeongtaek-si, Gyeonggi-do Phone: 031-8047-7000 Website: http://www.ips.co.kr Responsible preparer: Lee Ho-cheol, Head of Management Support Office I. COMPANY OVERVIEW 1. Company Overview a. Legal and Commercial Name The company's name is Wonik IPS Co., Ltd. (Korean: 주식회사 원익아이피에스). b. Date of Establishment The company was established on April 4, 2016 through the spin-off of the semiconductor, Display, and Solar Cell equipment business divisions from Wonik Holdings Co., Ltd. (Spin-off date: April 1, 2016). c. Head Office Address, Phone, Website (1) Head office: 75 Jinwisandan-ro, Jinwi-myeon, Pyeongtaek-si, Gyeonggi-do (2) Phone: 031-8047-7000 (3) Website: http://www.ips.co.kr d. Main Business The company's primary business is the manufacture of semiconductor and Display equipment. For detailed information by business segment, please refer to Section II. Business Content. Objectives stated in the Articles of Incorporation: 1. Production, retrofit, sale, import and export of manufacturing equipment for semiconductors, displays, solar cells, and fine processing 2. Sale, import and export of such equipment and components required for equipment production 3. After-sales service and service provision related to equipment sales 4. R&D services related to manufacturing equipment for semiconductors, displays, solar cells, and fine processing 5. Real estate leasing 6. Information and communication construction 7. Mechanical equipment construction 8. Software development and services 9. All businesses directly or indirectly related to or incidental to the above e. Consolidated Subsidiaries Overview As of the end of Q1 2026, the company (as the parent under K-IFRS No. 1110 'Consolidated Financial Statements') has 6 consolidated subsidiaries, an increase of 1 from the prior year-end. [Consolidated Subsidiaries Status (Summary)] (Unit: companies) - Listed: 0 (no change) - Unlisted: Start 5, +1 increase, -0 decrease, End 6 - Total: Start 5, +1 increase, -0 decrease, End 6 [Changes in Consolidated Companies] - Newly consolidated: ADVANCED TECH-INTEGRATION SOLUTIONS CO., LTD. — reason: acquisition of equity in newly established entity - Deconsolidated: None f. SME / Venture / Mid-Sized Enterprise Status - SME: Not applicable - Venture company: Not applicable - Mid-sized enterprise: Applicable g. Credit Rating - Evaluation date: September 5, 2025 - Credit rating agency: E-Credible - Credit rating: A+ (definition: strong debt repayment capacity, but more susceptible to economic downturns and environmental changes than higher grades) - Cash flow grade: B (definition: good cash flow generation capacity, but stability somewhat inferior to higher grades) - Watch grade: Normal (definition: high likelihood of the current credit rating being stably maintained considering economic environment changes and internal factors) * April 30, 2025 evaluation: Credit rating A+ / Cash flow grade B / Watch grade Normal h. Agent in Korea: Not applicable i. Listing of Shares and Special Listing - Listing status: Listed on KOSDAQ - Listing date: May 2, 2016 - Special listing type: Not applicable 2. Company History a. Head Office Location and Changes Head office is located at 75 Jinwisandan-ro, Jinwi-myeon, Pyeongtaek-si, Gyeonggi-do. No changes since establishment on April 4, 2016. b. Material Changes in Management and Auditors As of end of Q1 2026, the board consists of 6 directors: 3 inside directors (Ahn Tae-hyuk, Lee Yong-han, Kim Yong-gil) and 3 outside directors (Park Dong-geon, Kang Bong-yong, Hong Seong-ju). Key changes: - March 24, 2022 (AGM): Appointed inside directors Cho Nam-sung and Ahn Tae-hyuk, outside directors Park Dong-geon and Kim Hyung-joon; terms ended for inside director Lee Mun-yong and outside director Kwon Oh-cheol - March 29, 2023 (AGM): Reappointed inside directors Lee Hyun-deok and Lee Yong-han - March 29, 2023: Lee Hyun-deok appointed CEO - January 2, 2024: Ahn Tae-hyuk appointed CEO; Lee Hyun-deok (CEO) resigned - March 28, 2024: Inside director Cho Nam-sung resigned - March 26, 2025 (AGM): Appointed outside directors Kang Bong-yong and Hong Seong-ju; reappointed inside director Ahn Tae-hyuk and outside director Park Dong-geon; terms ended for Lee Mun-yong, Kwon Oh-cheol, and Kim Hyung-joon - March 26, 2025: Ahn Tae-hyuk reappointed CEO - March 24, 2026 (AGM): Appointed new inside director Kim Yong-gil; reappointed inside director Lee Yong-han; term ended for inside director Lee Hyun-deok (effective March 29, 2026) c. Changes in Largest Shareholder No changes in the largest shareholder during the past 5 fiscal years. As of the reporting base date, the largest shareholder is Wonik Holdings Co., Ltd. with 16,148,572 shares (32.90%). Including related parties, the holding is 16,171,572 shares (32.94%). d. Changes in Trade Name: None since establishment. e. Mergers: None in the past 5 fiscal years. f. Changes in Business Type or Main Business: None in the past 5 fiscal years. g. Other Material Management-Related Events: None in the past 5 fiscal years. 3. Changes in Capital Stock No changes in capital stock during the disclosure period. (Unit: shares, KRW) Common stock: - Total issued shares: 49,083,901 (unchanged across current quarter, FY2025, FY20[24], FY2023, FY2022) - Par value: 500 KRW - Capital: 24,541,950,500 KRW Preferred stock: None Other: None Total capital: 24,541,950,500 KRW 4. Total Number of Shares, etc. a. Total Shares (as of March 31, 2026) (Unit: shares, %) I. Total authorized shares: 200,000,000 (common); 200,000,000 total II. Total shares issued to date: 49,083,901 (common) III. Total shares retired to date: None (no capital reduction, profit retirement, redemption, or other) IV. Total outstanding issued shares (II - III): 49,083,901 V. Treasury shares: 428,211 Vi. Floating shares (IV - V): 48,655,690 [Translation truncated]