ENNOSTAR — Interim / Quarterly Report 2025

Aug 8, 2025

ENNOSTAR Inc.(3714.TW) Second Quarter 2025 Results Investor Conference Aug 8, 2025

Safe Harbor Notice

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• This presentation may contain forward-looking statements. These forward-looking are subject to risks, uncertainties and other factors. Consequently, actual results could differ materially from those reflected in these forward-looking statements.

• The factors include the impact of competitive products and pricing, timely acceptance of products design by our customers, timely introduction of new technologies, ability to ramp new products into volume, industry wide shifts in supply and demand, market oversupply, availability of manufacturing capacity, financial stability in end markets, potential difficulties in talents retention, unexpected costs and expenses, any merger and acquisition associated uncertainties such as obtaining of regulatory approval or integration delay, loss of significant customers, involvement in legal or administrative proceedings, new regulations that may impact our business operation, fluctuations in foreign exchange rates, global economic conditions or non-economic conditions and any other risks factors.

• Except as imposed by law, we undertake no obligation to publicly revise or update these forward-looking statements, whether as a result of new information, future events or otherwise.

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© 2025 Ennostar Inc. & Ennostar Corp. All Rights Reserved.

Consolidated Statements of Comprehensive Income

In NT $millions	1Q25 2	1Q25 2	1Q25 2	1Q25	2Q24	QoQ	YoY
Net Revenue	5,740			5,632	6,606	+1.9%	-13.1%
Gross Margin		6.9%		12.2%	15.3%	-5.3%	-8.4%
Operating Expenses		1,254		1,196	1,288	+4.8%	-2.7%
Operating Margin		(14.5%)		(8.5%)	(4.0%)	-6.0%	-10.5%
Net Non-Operating Items		(48)		65	(205)	-174.3%	+76.5%
Net Income Attributable to
Parent Company		(878)		(442)	(302)	-98.8%	-190.5%
Net Profit Margin		(15.3%)		(7.8%)	(4.6%)	-7.5%	-10.7%
Basic EPS (NT Dollar)		(1.19)		(0.60)	(0.41)	(0.59)	(0.78)
EBITDA% 2.6% 9.1% 12.7% -6.5% -10.1%*

• EBITDA% is calculated as the operating income plus depreciation and amortization divided by revenue.

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© 2025 Ennostar Inc. & Ennostar Corp. All Rights Reserved.

Revenue by Application – Ennostar

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in NT$ millions
7,000 6,606 6,691
7% 8%
5,740
6,000 5,632
5,507
General Application
18% 17% 8%
10%
10%
Others
5,000
17%
16%
19% 20% 19% Display
4,000 15% NB/MNT/Mobile
19%
12% 13% 20% TV BLU
3,000 14%
14% Premium Application 加值應用
11%
14% 13%
11% Professional Lighting
2,000 11% 10%
11% 10% 12% Sensing
9%
9%
Automotive
1,000
20% 19% 20% 22% 22%
0
2Q24 3Q24 4Q24 1Q25 2Q25
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© 2025 Ennostar Inc. & Ennostar Corp. All Rights Reserved.

Consolidated Balance Sheets & Key Indices

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1Q252 1Q25 2Q24
in NT$ millions
Amount % Amount % Amount %
Cash & Cash Equivalent 13,351 24.9% 13,580 23.4% 14,765 24.5%
Accounts Receivable 7,533 14.0% 8,284 14.3% 9,043 15.0%
Inventories 4,547 8.5% 5,173 8.9% 4,690 7.8%
Long-term Investments 2,739 5.1% 3,010 5.2% 3,177 5.3%
Net PP&E 14,112 26.3% 15,114 26.0% 16,941 28.2%
Total Assets 53,662 100.0% 58,088 100.0% 60,165 100.0%
Short-term Debt 781 1.5% 1,276 2.2% 2,017 3.4%
Long-term Debt 198 0.4% 216 0.4% 1,017 1.7%
Total Liabilities 10,017 18.7% 10,808 18.6% 13,656 22.7%
Total Equity 43,645 81.3% 47,280 81.4% 46,508 77.3%
Inventory Turnover Days 83 91 77
Current Ratio 3.4 3.3 2.8
Net Cash 12,371 12,088 11,730
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© 2025 Ennostar Inc. & Ennostar Corp. All Rights Reserved.

Consolidated Cash Flows

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in NT$ millions 1Q25 2Q25 1Q25 2Q24
From Operating Activities 521 476 679
Profit before Tax (883) (411) (469)
Depreciation & Amortization 981 990 1,104
Net Change in Working Capital & Other 422 (102) 45
From Investing Activities 809 (917) 291
Capital Expenditure (141) (375) (367)
Disposal of PP&E 44 168 761
Equity Investment 50 (281) 85
From Financing Activities (975) (748) (1,590)
Net Change in Loans (509) (464) (599)
Net Change in Cash (229) (1,098) (508)
Ending Balance 13,351 13,580 14,765
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© 2025 Ennostar Inc. & Ennostar Corp. All Rights Reserved.

2Q25 Review and 3Q25 Outlook

Q&A

． Bright Innovation Sustainable Future