Woojin

105840 · KOSPI · Information Technology · SMALL CAP

Updated contract terms.

Woojin updated a previously disclosed supply contract with Doosan Enerbility, now worth US$4.76M, about 5.09% of its recent annual revenue, running through May 2029.

Supply contract([Amended] Supply contract signed (voluntary))· FILED 2026-09-17· RCEPT 20260917800452

US$4.76MContract value
5.09%vs. recent revenue
May 2029Throughfrom Dec 2024

Converted at 1 USD ≈ ₩1,379.53 (filing-date rate, 2026-09-17 close)

What happened

Woojin updated a previously disclosed supply contract with Doosan Enerbility, now worth US$4.76M, about 5.09% of its recent annual revenue, running through May 2029.

For context, this single contract equals about 5.09% of the company's most recent annual revenue.

CounterpartyDoosan Enerbility
Contract valueUS$4.76M
vs. recent revenue5.09%
ThroughMay 2029 (from Dec 2024)
Filed2026-09-17, [Amended] Supply contract signed (voluntary)
SourceDART rcept 20260917800452 → open original filing
Read the full filing in English

Woojin / Single Sales and Supply Contract Execution (Voluntary Disclosure) / (2026.09.17)

Single Sales and Supply Contract Execution (Voluntary Disclosure) Correction Report Correction Date: 2026-09-17

1. Disclosure Document Subject to Correction Single Sales and Supply Contract Execution (Voluntary Disclosure)

2. Submission Date of Disclosure Document Subject to Correction 2024-12-17 (Most Recent Correction Date: 2025-12-19)

3. Reason for Correction Correction due to change in contract amount

4. Correction Details Correction Item | Before Correction | After Correction 2. Contract Details / Contract Amount (KRW) | 6,368,758,165 | 6,567,972,920 2. Contract Details / Percentage of Sales (%) | 4.93 | 5.09

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Single Sales and Supply Contract Execution (Voluntary Disclosure)

1. Classification of Sales and Supply Contract Other Sales and Supply Contract Detailed Content: Shinhanul Units 3, 4 MMIS RSPT

2. Contract Details Contract Amount (KRW): 6,567,972,920 Recent Sales (KRW): 129,059,322,239 Percentage of Sales (%): 5.09 Large Corporation Status: Not Applicable

3. Contracting Party Doosan Enerbility Co., Ltd. Relationship with Company: -

4. Sales and Supply Region Shinhanul Nuclear Power Plant Units 3, 4

5. Contract Period Start Date: 2024-12-17 End Date: 2029-05-01

6. Principal Contract Terms Contract Deposit/Advance Payment: Yes Payment Terms: Regular payment terms

7. Contract (Order) Date 2024-12-17

8. Other Material Matters Related to Investment Decisions - RSPT (REED SWITCH POSITION TRANSMITTER) is a measuring instrument that detects the position of control rods within the reactor. - The above contract amount is the total amount including value-added tax. - The start date of the above contract period is the contract (order) date, and the delivery deadline is from May 1, 2028 to May 1, 2029. - The above recent sales figure is based on the Company's consolidated sales for the fiscal year 2023. - The above payment terms are regular payment terms, with the payment period being 60 days from the date of issuance of the tax invoice. - The contract amount and contract period of the above contract may change depending on the progress of the project.

※ Related Disclosures 2024-12-17 Single Sales and Supply Contract Execution (Voluntary Disclosure) 2025-12-19 Single Sales and Supply Contract Execution (Voluntary Disclosure)

Source: DART. Information only, not investment advice.

For informational purposes only. This is not investment advice, a recommendation, or a solicitation to buy or sell any security. Do your own research; any investment decision is your own responsibility.

Data from DART, Korea's official corporate-filing system. Data sourced from official DART filings. Accuracy is not guaranteed. Figures are as of the date shown. As of 2026-09-17 (KST). · Converted at 1 USD ≈ ₩1,325 (rate of 2026-10-21).

Company summaries are generated and may contain errors; financial figures are mapped directly from official filings.