[Disclosure] JUSUNG ENGINEERING (036930), Q3 Revenue KRW 58.7B, OP KRW 3.3B… Earnings Shock with -93.6% YoY

Source: Financial Supervisory Service Dart System / 2025-10-27

Disclosure Type: Provisional Earnings Release (Consolidated Financial Statements)

💡 3-Second Summary

JUSUNG ENGINEERING’s Q3 2025 operating profit plummeted by 93.6% year-on-year to KRW 3.3 billion, flashing a sharp slowdown in performance. However, profit before income tax and net income advanced by 303.4% and 48.5% quarter-on-quarter, respectively, indicating that the bottom-line performance is starting to stabilize compared to the previous quarter.

📊 1. [Summary of Core Disclosure Content & Major Figures]

• Revenue (Q3): KRW 58,773 million (-25.4% QoQ, -60.1% YoY)
• Operating Profit (Q3): KRW 3,356 million (-49.0% QoQ, -93.6% YoY)
• Profit Before Income Tax (Q3): KRW 9,029 million (+303.4% QoQ, -79.8% YoY)
• Net Income (Q3): KRW 7,486 million (+48.5% QoQ, -79.0% YoY)
• Cumulative Performance (Jan-Sep 2025): * Revenue: KRW 258,412 million (-14.2% YoY)
  • Operating Profit: KRW 43,839 million (-54.0% YoY)
• Cumulative Revenue by Business Segment (YTD Q3): * Semiconductor: KRW 252,814 million (Accounts for the vast majority)
  • Solar & Display: KRW 5,598 million

📈 2. [Expert Insight: Assessment of Impact on Stock Price]

• Short-term Impact (Earnings Shock vs. Illusion): The 93.6% YoY wipeout in operating profit could trigger immediate selling pressure as a headline shock. Both the scale and profitability contracted sharply, likely due to delayed CAPEX from major clients or revenue recognition timing gaps.
• Mid-to-Long-term Fundamentals: While these are preliminary figures pending external auditor review, the year-on-year deceleration is undeniable. However, the ‘quarter-on-quarter’ recovery provides a silver lining. Despite the operating profit halving compared to Q2, net income staged a 48.5% QoQ rebound, hinting at non-operating item improvements or strict cost containment.
• Financial Viewpoint: With the semiconductor segment generating the lion’s share of cumulative revenue (KRW 252.8B), the future stock trajectory will remain highly tethered to the resumption of equipment delivery schedules for core chipmakers, rather than a turnaround in the solar/display sectors. Short-term volatility and consolidation are expected.

📝 Editor’s Comment (by K-STOCK Editor)

JUSUNG ENGINEERING’s Q3 scorecard delivers a considerable headline shock, even when accounting for the high base effect of the previous year. The simultaneous plunge in revenue and operating profit YoY worsened the fixed-cost burden, severely denting operating margins. However, what analytical minds must coolly dissect here is the sequential (QoQ) bottom-line rebound. The fact that pre-tax profit surged 303.4% QoQ despite operating pressure suggests an underlying shift—whether driven by one-off non-operating gains or underlying financial structural tweaks—that demands close tracking in the upcoming final audited report. Rather than being completely blinded by the alarming -93.6% operating profit headline, investors should note that the core semiconductor segment’s cumulative muscle (approx. KRW 252.8B) remains intact. A rational approach would involve weighing the exact timing of the upcoming CAPEX cycle recovery from major global chip clients.

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