RT — Interim / Quarterly Report 2025

May 29, 2025

==> picture [206 x 43] intentionally omitted <==

一 2025年第 季法人說明會資訊

－ 開會日期： 114年04月30日(三) 開會時間：3:00PM 4:00PM

語言: 英文

開會地點： 網路直播

參加人員： 國內外法人、記者

會議主席： 發言人 黃依瑋副總

一 主要內容：2025年第 季法人說明會資訊

• 一

• (1) 說明2025年第 季損益表主要數字

瑞昱半導體2025年第一季損益表主要資訊如下，詳細資料將以公司正式對外公告財報為準： 營業收入：約新台幣350.2億元，較上季成長約32.9%。

營業毛利率：51.6%

稅後淨利：約新台幣47.6億元

以加權平均流通在外股數計算，每股盈餘為新台幣9.28元。

(2) 2025年第二季營運展望

展望第二季，國際情勢仍存在高度不確定性，然部分客戶有預防性備貨，公司整體營運尚屬持

穩，將持續關注終端市場需求變化。

Page 1 of 2

==> picture [206 x 43] intentionally omitted <==

2025 Q1 Earnings Release and Marketing/Sales Update

Date: Wednesday, April 30, 2025 Time: 3:00 PM – 4:00 PM Language: English Place: Web conference Audience: Domestic as well as international institutional investors and reporters Subject: 2025 Q1 Earnings Release and Marketing/Sales Update

Statement:

(1) 2025 Q1 Financial Results

Net Sales: about NT$35.02 billion, up 32.9% QoQ. Gross Margin: 51.6% Net Income: about NT$4.76 billion EPS: NT$9.28

(2) 2025 Q2 Company Guidance

Looking ahead to the second quarter, some customers may continue defensive stocking due to the ongoing high uncertainties in the international landscape. Realtek's operations remain robust, nonetheless. Vigilant monitoring of shifts in end market demand is essential.

Page 2 of 2

瑞昱半導體 一 2025年第 季法人說明會 Realtek 1Q25 Earnings Release

Net Sales (NT$ mn)

==> picture [473 x 296] intentionally omitted <==

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

QoQ+32.9%
YoY+36.7%
35,022
26,345
25,623
----- End of picture text -----

1Q24

4Q24

1Q25

(%) Gross Margin

==> picture [472 x 292] intentionally omitted <==

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

QoQ+3.3ppt
YoY+0.8ppt
50.8% 51.6%
48.3%
1Q24 4Q24 1Q25
----- End of picture text -----

(NT$ mn) Operating Expenses

==> picture [557 x 310] intentionally omitted <==

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

QoQ+33.4%
YoY+27.9%
13,153
10,281
9,858
9,732
R&D Expenses
7,859 Administration Expenses
7,461
Selling Expenses
1,712
1,241 1,419
1,709
1,181 977
1Q24 4Q24 1Q25
----- End of picture text -----

Operating Income (NT$ mn) /Operating Margin (%)

==> picture [566 x 288] intentionally omitted <==

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

QoQ+3.1ppt
YoY+3.3ppt
16.0%
14.0%
14.0%
10.7% 10.9% 12.0%
Operating
10.0%
Income
8.0%
Operating
4,904 Margin6.0%
2,743 2,879 4.0%
2.0%
0.0%
----- End of picture text -----

1Q24

4Q24

1Q25

Net Income (NT$mn) / Net Profit Margin (%)

==> picture [629 x 288] intentionally omitted <==

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

QoQ+0.7ppt
YoY+1.4ppt
16.0%
12.9% 13.6% 14.0%
12.2%
12.0%
Net Income10.0%
8.0%
4,762
Net Profit Margin
6.0%
3,400
3,130
4.0%
2.0%
0.0%
----- End of picture text -----

1Q24

4Q24

1Q25

EPS (NT$)

==> picture [444 x 279] intentionally omitted <==

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

QoQ+$2.65
YoY+$3.18
$9.28
$6.63
$6.10
1Q24 4Q24 1Q25
----- End of picture text -----

1Q25 合併損益表

	1Q25	1Q25	4Q24	4Q24	QoQ	1Q24	1Q24	YoY
(單位:新台幣百萬元)	金額	%	金額	%	%	金額	%	%
營業收入淨額	35,022	100%	26,345	100%	32.9%	25,623	100%	36.7%
營業毛利	18,057	51.6%	12,737	48.3%	41.8%	13,024	50.8%	38.6%
推銷費用	(1,709)	(4.9%)	(977)	(3.7%)	74.8%	(1,181)	(4.6%)	44.7%
管理及總務費用	(1,712)	(4.9%)	(1,419)	(5.4%)	20.6%	(1,241)	(4.8%)	38.0%
研究發展費用	(9,732)	(27.8%)	(7,461)	(28.3%)	30.4%	(7,859)	(30.7%)	23.8%
營業費用合計	(13,153)	(37.6%)	(9,858)	(37.4%)	33.4%	(10,281)	(40.1%)	27.9%
營業利益	4,904	14.0%	2,879	10.9%	70.3%	2,743	10.7%	78.8%
營業外收入及支出	702	2.0%	762	2.9%	(8.0%)	593	2.3%	18.3%
本期淨利	4,762	13.6%	3,400	12.9%	40.0%	3,130	12.2%	52.1%
每股盈餘 (元)	9.28 $		6.63 $			6.10 $

註: 數字加總不等，因四捨五入造成

1Q25 合併資產負債表

	1Q25	4Q24	1Q24
(單位:新台幣百萬元)	金額	金額	金額
現金及金融資產-流動	59,842	55,099	46,047
應收帳款淨額	20,076	14,946	15,502
存貨淨額	15,149	13,506	11,977
其他流動資產	1,185	1,106	1,523
基金與投資	13,381	12,529	9,471
固定資產	9,546	9,641	8,876
無形資產	4,070	2,659	2,319
其他非流動資產	4,457	4,409	4,266
資產總計	127,708	113,897	99,981
短期借款	3,880	4,500	2,400
應付帳款	13,165	9,584	9,136
其他流動負債	62,241	43,877	35,482
非流動負債	3,048	2,978	5,373
股東權益	45,374	52,957	47,590
負債及股東權益總計	127,708	113,897	99,981

註: 數字加總不等，因四捨五入造成

1Q25 合併現金流量表

	1Q25	4Q24	1Q24
(單位:新台幣百萬元)	金額	金額	金額
營業活動之淨現金流入(出)	7,712	6,279	4,419
投資活動之淨現金流入(出)	(11,392)	571	(2,885)
籌資活動之淨現金流入(出)	(660)	(11,865)	(1,882)
當期淨現金流入(出)	(4,340)	(5,015)	(348)

註: 數字加總不等，因四捨五入造成

1Q25 Consolidated Income Statement

	1Q25	1Q25	4Q24	4Q24	QoQ	1Q24	1Q24	YoY
(in NT$ Millions)	Amount	%	Amount	%	%	Amount	%	%
Net Sales	35,022	100%	26,345	100%	32.9%	25,623	100%	36.7%
Gross Profit	18,057	51.6%	12,737	48.3%	41.8%	13,024	50.8%	38.6%
Selling Expenses	(1,709)	(4.9%)	(977)	(3.7%)	74.8%	(1,181)	(4.6%)	44.7%
Administration Expenses	(1,712)	(4.9%)	(1,419)	(5.4%)	20.6%	(1,241)	(4.8%)	38.0%
R&D Expenses	(9,732)	(27.8%)	(7,461)	(28.3%)	30.4%	(7,859)	(30.7%)	23.8%
Operating Expenses	(13,153)	(37.6%)	(9,858)	(37.4%)	33.4%	(10,281)	(40.1%)	27.9%
Operating Income	4,904	14.0%	2,879	10.9%	70.3%	2,743	10.7%	78.8%
Net Non-Operating Income	702	2.0%	762	2.9%	(8.0%)	593	2.3%	18.3%
Net Income	4,762	13.6%	3,400	12.9%	40.0%	3,130	12.2%	52.1%
EPS(NT$)	9.28 $		6.63 $			6.10 $

Note : Sums may not equal totals due to rounding.

1Q25 Consolidated Balance Sheet

	1Q25	4Q24	1Q24
(in NT$ Millions)	Amount	Amount	Amount
Cash and financial Assets-current	59,842	55,099	46,047
Accounts Receivable	20,076	14,946	15,502
Inventories	15,149	13,506	11,977
Other Current Assets	1,185	1,106	1,523
Funds and Investments	13,381	12,529	9,471
Fixed assets	9,546	9,641	8,876
Intangible assets	4,070	2,659	2,319
Other non-current assets	4,457	4,409	4,266
Total Assets	127,708	113,897	99,981
Short-term borrowings	3,880	4,500	2,400
Accounts payable	13,165	9,584	9,136
Other current liabilities	62,241	43,877	35,482
Non-current liabilities	3,048	2,978	5,373
Total Equities	45,374	52,957	47,590
Total Liabilities and Equity	127,708	113,897	99,981

Note : Sums may not equal totals due to rounding.

1Q25 Consolidated Cash Flow Statement

	1Q25	4Q24	1Q24
(in NT$ Millions)	Amount	Amount	Amount
Cash flows from operating activities	7,712	6,279	4,419
Cash flows from investing activities	(11,392)	571	(2,885)
Cash flows from financing activities	(660)	(11,865)	(1,882)
Net increase(decrease) in cash	(4,340)	(5,015)	(348)

Note : Sums may not equal totals due to rounding.

==> picture [46 x 44] intentionally omitted <==

Thank You