TMC — Investor Presentation 2025

Dec 29, 2025

Investor Conference

Dec.29, 2025

==> picture [124 x 34] intentionally omitted <==

Proprietary 2025

1

Safe Harbor Statement

• The presentation provided forward-looking statements. These forward-looking statements may exceed judgment due to different conditions such as risks, uncertainties and assumptions, and actual results may differ materially from this statements. Due to the different conditions of these risks, uncertainties and assumptions, the forward-looking statements in this presentation may not occur as expected. Readers should not rely on forward-looking statements.

• TAIWAN MASK CORPORATION has tried to ensure the information in this presentation is correct, without omissions and out of date. In addition, except for legal requirements, TMC has no obligation to respond new information or future events, proactively update the expression of the future prospects, and will not be responsible for any losses directly or indirectly caused in this presentation or actions taken by relying on information.

• Without the permission of the company cannot copy, modify, recompile, delete or transmit any content in this presentation, or use any content for commercial purposes.

==> picture [124 x 34] intentionally omitted <==

----- Start of picture text -----

2024/5/27
----- End of picture text -----

Proprietary © Taiwan Mask Corp. Property2025

Agenda

⚫ Welcome

• ⚫ Finance Summary

• ⚫ Company Update

• ⚫ Q&A

TMC Eve Yang

Lidon Chen All

==> picture [124 x 34] intentionally omitted <==

Proprietary 2025

3

Finance Summary

©Taiwan Mask Corp. Property

4

==> picture [124 x 34] intentionally omitted <==

----- Start of picture text -----

2024/5/27
----- End of picture text -----

Proprietary 2025

Consolidated Revenue

UNIT:NT$M -2% 0 500 1,000 1,500 2,000 2,500 Q1 24	UNIT:NT$M -2% 0 500 1,000 1,500 2,000 2,500 Q1 24	UNIT:NT$M -2% 0 500 1,000 1,500 2,000 2,500 Q1 24	UNIT:NT$M -2% 0 500 1,000 1,500 2,000 2,500 Q1 24	UNIT:NT$M -2% 0 500 1,000 1,500 2,000 2,500 Q1 24	UNIT:NT$M -2% 0 500 1,000 1,500 2,000 2,500 Q1 24	UNIT:NT$M -2% 0 500 1,000 1,500 2,000 2,500 Q1 24	8%	8%	-10% 7% -15%	-10% 7% -15%	-10% 7% -15%	-10% 7% -15%	-2%	-2%	-2%	-9% -300% -250% -200% -150% -100% -50% 0% 50% Q3 TMC MTC APTOS Xsense DCT INNOVA Pilot Moment
		Q1 24					Q2		Q3 Q4 Q1 25				Q2
																59% 27% 0% 0% 1% 6% 5% 3%
TMC			56%				55%		62%	52%	58%		56%			59%
MTC			23%				21%		25%	25%	21%		23%			27%
APTOS			3%				7%		2%	6%	4%		4%			0%
Xsense			8%				10%		4%	1%	5%		5%			0%
DCT			1%				0%		0%	5%	1%		0%			1%
INNOVA			2%				3%		5%	6%	6%		5%			6%
Pilot			3%				1%		1%	2%	2%		4%			5%
Moment			4%				3%		2%	3%	3%		2%			3%

==> picture [124 x 34] intentionally omitted <==

Proprietary 2025

5

Consolidated Income Statement-QoQ

NT$ M		3Q 25		2Q 25	3Q 24	Amoun % QoQ	Amou % YoY
Operating Revenue		1,450		1,590	1,796	-140 -9%	-346 -19%
Operating Costs		-1,347		-1,475	-1,438	-128 -9%	-91 -6%
Gross Profit		103		115	358	-11 -10%	-254 -71%
Gross Margin		7.1%		7.2%	19.9%	-0.1pps	-12.8pps
Operating Expenses Operating Expenses %		-259 -17.9%		-227 -14.3%	-265 -14.8%	32 14% 3.6pps	-6 -2%
							3.1pps
Operating Profit		-156		-113	93	-43 -38%	-248 -268%
Operating Margin Non-operating (loss) profits		-10.7% -42		-7.1% -395	5.2% -369	353 89% -3.7pps	328 89% -15.9pps
Net Income (loss) before tax Net Incomes Attributable to Parent Company		-197 -158		-507 -396	-277 -205	310 61% 237 60%	79 29%
							47 23%
EPS(NT$)		-0.62		-1.85	-0.96	1.23	0.34

==> picture [124 x 34] intentionally omitted <==

Proprietary 2025

Consolidated Income Statement-YoY

NT$ M		2025 1/1-9/30		2024 1/1-9/30	Amount % YoY
Operating Revenue		4,668		5,644	-976 -17%
Operating Costs		-4,268		-4,576	-307 -7%
Gross Profit		400		1,068	-668 -63%
Gross Margin		8.6%		18.9%	-10.4pps
Operating Expenses Operating Expenses %		-805 -17.3%		-845 -15.0%	-39 -5%
					2.3pps
Operating Profit		-406		223	-629 -282%
Operating Margin		-8.7%		4.0%	-12.6pps
Non-operating (loss) profits		-608		-203	-405 -200%
Net Income (loss) before tax Net Incomes Attributable to Parent Company		-1,014 -811		21 224	-1,034 -5043%
					-1,036 -462%
		-3.56		1.05
EPS(NT$)					-4.61

==> picture [124 x 34] intentionally omitted <==

Proprietary 2025

Key Balance Sheet Items & Indices

NT$ M	2025/9/30	2024/12/31 2024/9/30
Cash and cash equivalent Financial assets - current Financial assets - non current & investments - equity method Property, plant & equipment	1,040 1,830 607 10,208	1,431 1,238 3,129 4,227 677 703 10,382 10,122
Total assets	18,247	20,815 22,036
Short-term loans Current portion of long-term loans Bonds payable Long-term loans	4,558 1,664 1,997 2,806	6,200 6,338 1,242 1,244 3,609 3,605 3,073 3,395
Total liabilities	13,598	16,743 17,235
Share capital	3,168	2,565 2,565
Total equity	4,649	4,072 4,801
Current ratio Debt ratio Net debt to equity ratio	63% 75% 292%	77% 89% 80% 78% 411% 359%

==> picture [124 x 34] intentionally omitted <==

Proprietary 2025

Company Update

©Taiwan Mask Corp. Property

9

==> picture [124 x 34] intentionally omitted <==

----- Start of picture text -----

2024/5/27
----- End of picture text -----

Proprietary 2025

TMC Company Update

• ⚫ Semiconductor will be growth for years (+18%, ‘26)

• ⚫ Global mask demand keeps stable growth (+7%, ‘26)

• ⚫ Good progress for fundraising

• ⚫ ‘24 revenue: TMC (4.3B$NT) and group (7.6B$NT)

• ⚫ ‘25 TMC status: in good shape

• ⚫ Extending mask business to more value node (55nm)

• ⚫ Extending business to advanced package application

• ⚫ Re-org/structure subsidiaries to good position

==> picture [124 x 34] intentionally omitted <==

Proprietary 2025

10

TMC Group

==> picture [654 x 326] intentionally omitted <==

----- Start of picture text -----

Semiconductor
Aptos
Package
ESG, Sustainable
TMC 47%
Smart Manufacturing
Moment
Group
Branding
25%
Innova MTC TMC KG HEL
Contact Lens Foundry Services Mask Investment Eco Steel
53% 100% 100% 100% 100%
Xsense Pilot Magpie DCT
Submont Energy H2 Energy 3D print
53% 59% 59% 57%
----- End of picture text -----

• Business

• • TMC Share %

==> picture [124 x 34] intentionally omitted <==

Proprietary 2025

11

Fabs of TMC Group Planning for New Site

Fab 1,2 (@HC)

==> picture [257 x 151] intentionally omitted <==

Fab 3/5 (@HC)

==> picture [253 x 151] intentionally omitted <==

Fab 6 (@ZN)

==> picture [251 x 145] intentionally omitted <==

Fab 7 (@HC): Planning

==> picture [253 x 147] intentionally omitted <==

==> picture [124 x 34] intentionally omitted <==

Proprietary 2025

12

Global Semiconductor

Significant Growth on Application Specific

==> picture [333 x 303] intentionally omitted <==

• ⚫ Growth on AS

• ⚫ Reach 1T by ‘28

• ⚫ Target 1.5T by ‘35

• ⚫ Geopolitical

Source from: Gartner Q4, 2025

Revenue (B$USD) Growth (YoY)

==> picture [124 x 34] intentionally omitted <==

Proprietary 2025

13

Global Mask Projection Restructuring from Geopolitical

==> picture [356 x 318] intentionally omitted <==

• CN players rising: • Pricing

• • Subsidize

• • Localize policy

• • Merchants: • Relocation

• • Competition

Source from: SEMI, Jun, ‘25

==> picture [124 x 34] intentionally omitted <==

Proprietary 2025

14

New Competition from CN Policy, Subsidize from CN

==> picture [320 x 287] intentionally omitted <==

⚫ CN: QX, NX, DX

⚫ Merchants: relocation

⚫ New area: SG, US

⚫ Applications

Source from: SEMI, Jun, ‘25

==> picture [124 x 34] intentionally omitted <==

Proprietary 2025

15

TMC Mask Application

2024

==> picture [308 x 248] intentionally omitted <==

2025

==> picture [308 x 248] intentionally omitted <==

==> picture [124 x 34] intentionally omitted <==

Proprietary 2025

16

Mask Sales Global Distribution

2024

2025

==> picture [242 x 247] intentionally omitted <==

==> picture [243 x 248] intentionally omitted <==

==> picture [124 x 34] intentionally omitted <==

Proprietary 2025

17

More 12” NTO Happening

==> picture [304 x 308] intentionally omitted <==

==> picture [298 x 302] intentionally omitted <==

==> picture [124 x 34] intentionally omitted <==

Proprietary 2025

18

Business/Capacity Expansion More TW, SE. More 65/55nm

==> picture [336 x 297] intentionally omitted <==

• ⚫ Ramp N65/55, 90/80

• ⚫ Pilot N40

• ⚫ N22/28 preparation

• Qualify

• Tools/facility

==> picture [124 x 34] intentionally omitted <==

Proprietary 2025

19

TMC Mask Business Good Progress for Engaging Foundries

==> picture [325 x 331] intentionally omitted <==

⚫ CN competition

⚫ TW, SE business

• ⚫ Enlarge 80/55/40nm

⚫ New application (AI)

In B$NTD

==> picture [124 x 34] intentionally omitted <==

Proprietary 2025

20

Technology Readiness

	2025	2025	2025	2025	2026	2026	2026	2026	2027	2027	2027	2027	2028	2028	2028	2028
Technology	Q1	Q2	Q3	Q4	Q1	Q2	Q3	Q4	Q1	Q2	Q3	Q4	Q1	Q2	Q3	Q4
>= 90 nm
>= 65/55nm
40nm
28nm

==> picture [124 x 34] intentionally omitted <==

Proprietary 2025

Q & A

==> picture [124 x 34] intentionally omitted <==

----- Start of picture text -----

2024/5/27
----- End of picture text -----

Proprietary © Taiwan Mask Corp. Property2025

Thank You

==> picture [124 x 34] intentionally omitted <==

Proprietary 2025

23