RT — Interim / Quarterly Report 2025

Nov 13, 2025

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

2025年第三季法人說明會資訊

－ 開會日期： 114年10月29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

主要內容：2025年第三季法人說明會資訊

• (1) 說明2025年第三季損益表主要數字

瑞昱半導體2025年第三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294.9億元，較上季下降約7.6%。

營業毛利率：49.7%

稅後淨利：約新台幣34.3億元

以加權平均流通在外股數計算，每股盈餘為新台幣6.69元。

(2) 2025年第四季營運展望

展望第四季，潛在美國關稅政策變動與預期客戶調整年底庫存水位，瑞昱對營運持審慎保守態

度，密切關注外部環境與各終端市場的變化。

2025 Q3 Earnings Release and Marketing/Sales Update

Date: Wednesday, October 29,2025

Time: 3:00 PM – 4:00 PM

Language: English

Place: Web conference

Audience: Domestic as well as international institutional investors and reporters

Subject: 2025 Q3 Earnings Release and Marketing/Sales Update

Statement:

(1) 2025 Q3 Financial Results

Net Sales: about NT$29.49 billion, down 7.6% QoQ.

Gross Margin: 49.7%

Page 1 of 2

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

Net Income: about NT$3.43 billion

EPS: NT$6.69

• (2) 2025 Q4 Company Guidance

Looking ahead to the fourth quarter, Realtek stays cautiously conservative regarding its operations due to potential changes in US tariff policies and anticipated customer adjustments to year-end inventory levels. The company is closely monitoring the external environment and developments across all end markets.

Page 2 of 2

瑞昱半導體 2025年第三季法人說明會 Realtek 3Q25 Earnings Release

Net Sales (NT$ mn)

==> picture [508 x 282] intentionally omitted <==

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

QoQ -7.6%
YoY- 4.1%
30,752 31,914
29,491
3Q24 2Q25 3Q25
----- End of picture text -----

(%) Gross Margin

==> picture [365 x 143] intentionally omitted <==

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

QoQ -0.5ppt
YoY -1.7ppt
51.4%
50.2%
49.7%
----- End of picture text -----

==> picture [350 x 13] intentionally omitted <==

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

3Q24 2Q25 3Q25
----- End of picture text -----

(NT$ mn) Operating Expenses

==> picture [547 x 284] intentionally omitted <==

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

QoQ -4.0%
YoY -3.0%
12,021
11,889 11,538
9,203 9,054 8,644 R&D Expenses
Administration Expenses
Selling Expenses
1,326 1,360 1,460
1,359 1,607 1,435
3Q24 2Q25 3Q25
----- End of picture text -----

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

==> picture [526 x 269] intentionally omitted <==

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

QoQ -2.0ppt
YoY -2.1ppt
12.7% 12.6%
10.6%
Operating Income
3,906 4,008
3,113 Operating Margin
3Q24 2Q25 3Q25
----- End of picture text -----

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

==> picture [522 x 248] intentionally omitted <==

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

QoQ -0.6ppt
YoY -2.6ppt
14.2%
12.2%
11.6%
Net Income
4,375
3,909 Net Profit Margin
3,429
3Q24 2Q25 3Q25
----- End of picture text -----

EPS (NT$)

==> picture [473 x 272] intentionally omitted <==

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

QoQ -$0.94
YoY -$1.84
$8.53
$7.62
$6.69
3Q24 2Q25 3Q25
----- End of picture text -----

3Q25 合併損益表

	3Q25	3Q25	2Q25	2Q25	QoQ	3Q24	3Q24	YoY
(單位:新台幣百萬元)	金額	%	金額	%	%	金額	%	%
營業收入淨額	29,491	100%	31,914	100%	(7.6%)	30,752	100%	(4.1%)
營業毛利	14,652	49.7%	16,029	50.2%	(8.6%)	15,795	51.4%	(7.2%)
推銷費用	(1,435)	(4.9%)	(1,607)	(5.0%)	(10.7%)	(1,359)	(4.4%)	5.5%
管理及總務費用	(1,460)	(4.9%)	(1,360)	(4.3%)	7.4%	(1,326)	(4.3%)	10.1%
研究發展費用	(8,644)	(29.3%)	(9,054)	(28.4%)	(4.5%)	(9,203)	(29.9%)	(6.1%)
營業費用合計	(11,538)	(39.1%)	(12,021)	(37.7%)	(4.0%)	(11,889)	(38.7%)	(3.0%)
營業利益	3,113	10.6%	4,008	12.6%	(22.3%)	3,906	12.7%	(20.3%)
營業外收入及支出	932	3.2%	616	1.9%	51.2%	759	2.5%	22.7%
本期淨利	3,429	11.6%	3,909	12.2%	(12.3%)	4,375	14.2%	(21.6%)
每股盈餘 (元)	6.69 $		7.62 $			8.53 $

註: 數字加總不等，因四捨五入造成

3Q25 合併資產負債表

	3Q25	2Q25	3Q24
(單位:新台幣百萬元)	金額	金額	金額
現金及金融資產-流動	61,702	57,292	60,166
應收帳款淨額	18,322	18,626	18,345
存貨淨額	16,871	16,470	14,846
其他流動資產	1,513	1,203	1,941
基金與投資	13,484	13,377	11,529
固定資產	10,101	9,631	9,450
無形資產	3,754	3,657	2,567
其他非流動資產	4,153	4,606	4,222
資產總計	129,901	124,862	123,067
短期借款	0	2,932	6,146
應付帳款	11,977	12,508	12,058
其他流動負債	67,661	62,998	51,794
非流動負債	2,811	3,133	5,095
股東權益	47,451	43,292	47,975
負債及股東權益總計	129,901	124,862	123,067

註: 數字加總不等，因四捨五入造成

3Q25 合併現金流量表

	3Q25	2Q25	3Q24
(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)	6,951	6,380	5,957
投資活動之淨現金流入(出)	2,283	(4,874)	(4,165)
籌資活動之淨現金流入(出)	(2,962)	(973)	1,246
當期淨現金流入(出)	6,271	533	3,038

註: 數字加總不等，因四捨五入造成

3Q25 Consolidated Income Statement

	3Q25	3Q25	2Q25	2Q25	QoQ	3Q24	3Q24	YoY
(in NT$ Millions)	Amount	%	Amount	%	%	Amount	%	%
Net Sales	29,491	100%	31,914	100%	(7.6%)	30,752	100%	(4.1%)
Gross Profit	14,652	49.7%	16,029	50.2%	(8.6%)	15,795	51.4%	(7.2%)
Selling Expenses	(1,435)	(4.9%)	(1,607)	(5.0%)	(10.7%)	(1,359)	(4.4%)	5.5%
Administration Expenses	(1,460)	(4.9%)	(1,360)	(4.3%)	7.4%	(1,326)	(4.3%)	10.1%
R&D Expenses	(8,644)	(29.3%)	(9,054)	(28.4%)	(4.5%)	(9,203)	(29.9%)	(6.1%)
Operating Expenses	(11,538)	(39.1%)	(12,021)	(37.7%)	(4.0%)	(11,889)	(38.7%)	(3.0%)
Operating Income	3,113	10.6%	4,008	12.6%	(22.3%)	3,906	12.7%	(20.3%)
Net Non-Operating Income	932	3.2%	616	1.9%	51.2%	759	2.5%	22.7%
Net Income	3,429	11.6%	3,909	12.2%	(12.3%)	4,375	14.2%	(21.6%)
EPS(NT$)	6.69 $		7.62 $			8.53 $

Note : Sums may not equal totals due to rounding.

3Q25 Consolidated Balance Sheet

	3Q25	2Q25 3Q24	2Q25 3Q24
(in NT$ Millions)	Amount	Amount	Amount
Cash and financial Assets-current	61,702	57,292	60,166
Accounts Receivable	18,322	18,626	18,345
Inventories	16,871	16,470	14,846
Other Current Assets	1,513	1,203	1,941
Funds and Investments	13,484	13,377	11,529
Fixed assets	10,101	9,631	9,450
Intangible assets	3,754	3,657	2,567
Other non-current assets	4,153	4,606	4,222
Total Assets	129,901	124,862	123,067
Short-term borrowings	0	2,932	6,146
Accounts payable	11,977	12,508	12,058
Other current liabilities	67,661	62,998	51,794
Non-current liabilities	2,811	3,133	5,095
Total Equities	47,451	43,292	47,975
Total Liabilities and Equity	129,901	124,862	123,067

Note : Sums may not equal totals due to rounding.

3Q25 Consolidated Cash Flow Statement

	3Q25	2Q25	3Q24
(in NT$ Millions)	Amount	Amount	Amount
Cash flows from operating activities	6,951	6,380	5,957
Cash flows from investing activities	2,283	(4,874)	(4,165)
Cash flows from financing activities	(2,962)	(973)	1,246
Net increase(decrease) in cash	6,271	533	3,038

Note : Sums may not equal totals due to rounding.

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

Thank You