GCE — Investor Presentation 2024

May 15, 2024

==> picture [720 x 119] intentionally omitted <==

Gold Circuit Electronics

==> picture [518 x 7] intentionally omitted <==

2024 Investor Conference

Date: May. 15 , 2024

1

==> picture [720 x 119] intentionally omitted <==

Disclaimer

The presentation contains projections & estimates of financial information as well as market and product developments for future periods.

These projections & estimates are based on information currently available which we believe to be reliable, but they involve risks & uncertainties.

Our actual results of operations & financial condition may differ significantly from those contained in projections & estimates. The projections & estimates should not be interpreted as legally binding commitments, but rather as flexible information subject to change occasionally.

2

==> picture [720 x 119] intentionally omitted <==

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

General Information
----- End of picture text -----

• Company Name: Gold Circuit Electronics

Founded in 1981 Stock Listed Mar. 9th, 1998 Capital Capital NTD 4,918 Million

• Capital Capital

• Product Tech. Product Tech.

Product Tech. Product Tech. High Layer Count, HDI, Heavy Cu & Backplane Manufacturing Taiwan 、Suzhou 、Chang Shu Sites

==> picture [190 x 131] intentionally omitted <==

==> picture [720 x 540] intentionally omitted <==

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

Global Support & Service
Europe Europe Asia
America
Korea
East USA
ChangShu I Japan
West USA South USA ChangShu II
ShenZhen Suzhou
Taiwan
Thailand
Africa
Malaysia
Oceania
Service Office
Plant
----- End of picture text -----

==> picture [720 x 119] intentionally omitted <==

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

Sales Revenue History
----- End of picture text -----

==> picture [692 x 387] intentionally omitted <==

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

NT$ Hundred Million REVENUE TREND RE REVENUE TREND VENUE TREND VENUE TREND
NT$ Hundred Million NT$ Hundred Million NT$ Hundred
350
328
Million
300350350 301
328 328
300 266
266
250300300 234
250 234 262 6 6
206
250250 201 201 191 192 192 [206 ] 190 234 234
200200 177 191 192 192 190
177
206 206
200200 151 151 201 201 191 191 192 192 192 190 190
171 7 7
150150 128
120
150150
101 0 0
100100 87 87
50
50
5050
0
0
2012 2013 2014 2015 2016 2017 2018 2019 2020 2021 2022 2023 2024
0 0 2012 2013 2014 2015 2016 2017 2018 2019 2020 2021 2022APR
20132013 20142014 20152015 20162016 2017 20182018 20192019 20202020 20212021 20222022 2023-4月 Jan~May2023-April
----- End of picture text -----

5

Unit: NT$ hundred million

	2024 Q1	2023 Q1	Compared with the same period last **year **
Operating Revenue	90.66	63.32	43%
Operating costs	66.3	50.42
Gross Profit	24.36	12.89	89%
Gross Profit Margin	26.9%	20.4%	31.99%
Operating Expenses	6.99	5.84
Net other income (expenses)	-0.1	0.36
Operating Income	17.27	7.41	133%
Non-Operating Income and Expenses	1.16	-0.9
Pre-Tax Income	18.43	6.51	183%
Net Income	12.17	4.3
EPS	2.5	0.88	1.62

6

==> picture [174 x 61] intentionally omitted <==

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

)
----- End of picture text -----

Unit: NT$ hundred millions

Q1 Q2 Q3 Q4 Y2023 O eratin Revenue 63.3 69.3 82.5 85.3 p g Gross Profit Mar in 20.4% 23.8% 29.3% 27.80% g Income before Tax 6.5 12.1 17.1 16.45 Y2024 Operating Revenue 90.7 Gross Profit Margin 26.9% Income before Tax 18.4 Revenue growth rate 43%

7

==> picture [720 x 119] intentionally omitted <==

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

Capability
----- End of picture text -----

Full Range of Technology Availability

Layer Count

==> picture [581 x 272] intentionally omitted <==

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

56L
IC Testing
Adv. Server
&
30L
Networking
Server
Telecom
Telecom
Power
Server
Smart Home 10L
NB
Telecom
Tablet/ NB
LEO
Smart Phone Automotive
Automotive
Automotive
MLB HDI Heavy Cu Technology
----- End of picture text -----

Product Application (GCE)

==> picture [679 x 393] intentionally omitted <==

==> picture [720 x 119] intentionally omitted <==

Q & A

10

==> picture [720 x 119] intentionally omitted <==

Thank you for your attention !

11