UMC Reports Third Quarter 2026 Results

United Microelectronics Corporation (NYSE: UMC; TWSE: 2303) (“UMC” or “The Company”), a leading global semiconductor foundry, today announced its consolidated operating results for the third quarter of 2026.

Third quarter consolidated revenue was NT$74.24 billion, increasing 8.0% from NT$68.73 billion in 2Q26. Compared to a year ago, 3Q26 revenue increased 25.6%. Consolidated gross margin for 3Q26 was 34.0%. Net income attributable to the shareholders of the parent was NT$16.43 billion, with earnings per ordinary share of NT$1.32.

Jason Wang, CEO of UMC, said, “In the third quarter, we saw healthy demand across all market segments, driving a 7.3% growth in wafer shipments to more than 1.2 million 12-inch equivalent wafers, a record high. Our overall fab utilization rate reached 92%, with several 12-inch fabs operating at full capacity while 8-inch operations also saw a strong recovery. By technology node, our 22/28nm business had another record-breaking quarter, with 22nm revenue now accounting for 18.3% of wafer sales as customers continue to tape out new products including display driver, automotive radar, and Wi-Fi ICs. In new business areas, active customer engagement for advanced packaging and silicon photonics remains robust. We expect these engagements to translate into accretive growth over the coming quarters as we ramp existing projects and support new product tape-outs.”

CEO Wang added, “Looking ahead to the fourth quarter, we expect the positive demand momentum to sustain, supporting stable shipments and utilization rate. Revenue from our specialty technologies portfolio will continue to grow sequentially, driven in part by the ramp-up of our advanced packaging and silicon photonics businesses. We have seen a significant increase in demand for these new business areas, and we are in the process of converting some existing capacity to address near-term unfulfilled demand. In the longer run, our dual track expansion plan in Singapore and Tainan will be crucial to ensure UMC’s capacity growth can keep pace with our customers’ needs. We are pleased to announce our Board of Directors today approved an additional capital expenditure budget of approximately US$3.2 billion, which will enable us to accelerate our expansion schedule as we continue to align with customers on their product roadmaps and requirements.”

CEO Wang said, “In the third quarter, UMC received the honor of being named one of Asia’s top employers of choice in the HR Asia Best Companies to Work for in Asia Awards 2026. We are proud to win this award for the third time, recognizing the company’s ongoing effort to strengthen and expand our talent development programs, comprehensive employee benefits, and community engagement opportunities. Through these initiatives, we strive to create a more supportive workplace where our people can grow and thrive, while building a strong foundation for UMC’s long-term success.”

¹ Unless otherwise stated, all financial figures discussed in this announcement are prepared in accordance with TIFRSs recognized by Financial Supervisory Commission in the ROC, which is different from IFRSs issued by the International Accounting Standards Board. They represent comparisons among the three-month period ending September 30, 2026, the three-month period ending June 30, 2026, and the equivalent three-month period that ended September 30, 2025. For all 3Q26 results, the U.S. dollar amounts have been translated at the weighted-average exchange rate of NT$31.99 per U.S. dollar for the three-month period ended September 30, 2026.

Summary of Operating Results

Operating Results
(Amount: NT$ million)	3Q26	2Q26	QoQ % change	3Q25	YoY % change
Operating Revenues	74,239	68,733	8.0	59,127	25.6
Gross Profit	25,205	22,323	12.9	17,623	43.0
Operating Expenses	(7,272)	(7,906)	(8.0)	(6,973)	4.3
Net Other Operating Income and Expenses	710	533	33.2	467	51.8
Operating Income	18,643	14,950	24.7	11,118	67.7
Net Non-Operating Income and Expenses	1,268	30,236	(95.8)	3,526	(64.0)
Net Income Attributable to Shareholders of the Parent	16,434	42,260	(61.1)	14,982	9.7
EPS (NT$ per share)	1.32	3.39		1.20
(US$ per ADS)	0.206	0.537		0.197
Exchange rate (USD/NTD)	31.99	31.59		30.47
Note: Sums may not equal totals due to rounding.

Third quarter operating revenues increased 8.0% sequentially to NT$74.24 billion. Revenue contribution from 40nm and below technologies represented 51% of wafer revenue. Gross profit increased 12.9% QoQ to NT$25.21 billion, or 34.0% of revenue. Operating expenses decreased 8.0% to NT$7.27 billion. Net other operating income increased 33.2% to NT$0.71 billion. Net non-operating income totaled NT$1.27 billion. Net income attributable to shareholders of the parent amounted to NT$16.43 billion.

Earnings per ordinary share for the quarter was NT$1.32. Earnings per ADS was US$0.206. The basic weighted average number of shares outstanding in 3Q26 was 12,460,655,358, compared with 12,475,080,302 shares in 2Q26 and 12,485,162,809 shares in 3Q25. The diluted weighted average number of shares outstanding was 12,600,931,529 in 3Q26, compared with 12,541,653,000 shares in 2Q26 and 12,556,345,829 shares in 3Q25. The fully diluted shares counted on September 30, 2026 were approximately 12,600,932,000.

Detailed Financials Section

Operating revenues increased to NT$74.24 billion. COGS increased 5.7% QoQ to NT$49.04 billion. Gross profit increased 12.9% QoQ to NT$25.21 billion. Operating expenses decreased 8.0% QoQ to NT$7.27 billion, as G&A decreased 16.2% to NT$2.03 billion, R&D decreased 4.7% to NT$4.52 billion and Sales & Marketing decreased 2.5% to NT$0.71 billion. Net other operating income was NT$0.71 billion. In 3Q26, operating income increased 24.7% QoQ to NT$18.64 billion.

COGS & Expenses
(Amount: NT$ million)	3Q26	2Q26	QoQ % change	3Q25	YoY % change
Operating Revenues	74,239	68,733	8.0	59,127	25.6
COGS	(49,035)	(46,410)	5.7	(41,504)	18.1
Depreciation	(14,695)	(14,649)	0.3	(12,635)	16.3
Other Mfg. Costs	(34,340)	(31,761)	8.1	(28,869)	19.0
Gross Profit	25,205	22,323	12.9	17,623	43.0
Gross Margin (%)	34.0%	32.5%		29.8%
Operating Expenses	(7,272)	(7,906)	(8.0)	(6,973)	4.3
Sales & Marketing	(714)	(733)	(2.5)	(628)	13.7
G&A	(2,034)	(2,426)	(16.2)	(1,715)	18.6
R&D	(4,524)	(4,747)	(4.7)	(4,631)	(2.3)
Expected Credit Impairment Gain (Loss)	0	0	(86.9)	0	(99.6)
Net Other Operating Income & Expenses	710	533	33.2	467	51.8
Operating Income	18,643	14,950	24.7	11,118	67.7
Note: Sums may not equal totals due to rounding.

Net non-operating income in 3Q26 was NT$1.27 billion, primarily reflecting the NT$1.16 billion in net investment gain and the NT$ 0.13 billion in net interest income.

Non-Operating Income and Expenses
(Amount: NT$ million)	3Q26	2Q26	3Q25
Non-Operating Income and Expenses	1,268	30,236	3,526
Net Interest Income and Expenses	130	218	88
Net Investment Gain and Loss	1,159	30,045	3,192
Exchange Gain and Loss	32	3	250
Other Gain and Loss	(53)	(29)	(3)
Note: Sums may not equal totals due to rounding.

In 3Q26, cash inflow from operating activities was NT$30.02 billion. Cash inflow from investing activities totaled NT$1.02 billion, including NT$13.55 billion decrease in financial assets measured at amortized cost. Capital expenditures were NT$11.93 billion, resulting in free cash flow of NT$18.09 billion. Cash outflow from financing activities was NT$14.54 billion, primarily due to NT$32.70 billion in dividend distribution, offset by the NT$16.91 billion issuance of bonds. Net cash inflow in 3Q26 amounted to NT$17.91 billion. Over the next 12 months, the company expects to repay NT$8.97 billion in bank loans.

Cash Flow Summary
(Amount: NT$ million)	For the 3-Month Period Ended Sep. 30, 2026	For the 3-Month Period Ended Jun. 30, 2026
Cash Flow from Operating Activities	30,016	33,698
Net income before tax	19,911	45,186
Depreciation & Amortization	16,692	16,238
Share of profit of associates and joint ventures	(1,680)	(23,606)
Income tax paid	(3,774)	(2,173)
Changes in working capital & others	(1,133)	(1,948)
Cash Flow from Investing Activities	1,022	(7,427)
Decrease (increase) in financial assets measured at amortized cost	13,554	(1,938)
Acquisition of PP&E	(11,260)	(8,823)
Acquisition of intangible assets	(790)	(658)
Others	(482)	3,991
Cash Flow from Financing Activities	(14,541)	(10,753)
Bank loans	1,986	(1,894)
Bonds issued	16,913	–
Redemption of bonds	(565)	(5,500)
Cash dividends	(32,697)	–
Treasury stock acquired	–	(3,096)
Others	(177)	(263)
Effect of Exchange Rate	1,414	171
Net Cash Flow	17,911	15,687
Beginning balance	124,706	109,019
Ending balance	142,617	124,706
Note: Sums may not equal totals due to rounding.

Cash and cash equivalents increased to NT$142.62 billion. Days sales outstanding increased 1 day to 50 days, while days of inventory decreased 4 days to 71 days.

Current Assets
(Amount: NT$ billion)	3Q26	2Q26	3Q25
Cash and Cash Equivalents	142.62	124.71	104.22
Accounts Receivable	42.63	38.65	32.25
Days Sales Outstanding	50	49	50
Inventories, net	38.37	37.92	35.18
Days of Inventory	71	75	76
Total Current Assets	238.90	230.26	192.85

Current liabilities decreased to NT$72.97 billion. Long-term credit / bonds increased to NT$61.49 billion. Total liabilities decreased to NT$204.91 billion, while debt to equity ratio decreased to 44%.

Liabilities
(Amount: NT$ billion)	3Q26	2Q26	3Q25
Total Current Liabilities	72.97	106.31	82.28
Accounts Payable	10.02	9.06	8.04
Short-Term Credit / Bonds	11.97	11.97	30.15
Payables on Equipment	5.81	7.16	11.57
Dividends Payable	–	32.70	–
Other	45.17	45.42	32.52
Long-Term Credit / Bonds	61.49	45.57	53.76
Total Liabilities	204.91	222.05	194.20
Debt to Equity	44%	50%	54%

Analysis of Revenue

Revenue from Asia Pacific increased to 67%, while business from North America remained at 22% of sales. Business from Europe remained at 8%, while contribution from Japan decreased to 3%.

Revenue Breakdown by Region
Region	3Q26	2Q26	1Q26	4Q25	3Q25
North America	22%	22%	21%	21%	25%
Asia Pacific	67%	66%	65%	64%	63%
Europe	8%	8%	9%	11%	8%
Japan	3%	4%	5%	4%	4%

Revenue contribution from 22/28nm decreased to 35% of wafer revenue, while 40nm contribution increased to 16% of sales.

Revenue Breakdown by Geometry⁽¹⁾
Geometry	3Q26	2Q26	1Q26	4Q25	3Q25
14nm and below	0%	0%	0%	0%	0%
14nm<x<=28nm	35%	37%	34%	36%	35%
28nm<x<=40nm	16%	15%	18%	17%	17%
40nm<x<=65nm	19%	18%	18%	17%	18%
65nm<x<=90nm	6%	7%	8%	8%	8%
90nm<x<=0.13um	9%	8%	7%	7%	8%
0.13um<x<=0.18um	10%	10%	10%	10%	9%
0.18um<x<=0.35um	4%	4%	4%	4%	4%
0.5um and above	1%	1%	1%	1%	1%

Revenue from fabless customers accounted for 86% of revenue.

Revenue Breakdown by Customer Type⁽¹⁾
Customer Type	3Q26	2Q26	1Q26	4Q25	3Q25
Fabless	86%	85%	86%	80%	81%
IDM	14%	15%	14%	20%	19%

Revenue from the communication segment accounted for 39%, while business from computer applications was 13% of sales. Business from consumer applications accounted for 32%, while other segments was 16% of revenue.

Revenue Breakdown by Application^{(1) (2)}
Application	3Q26	2Q26	1Q26	4Q25	3Q25
Computer	13%	13%	12%	12%	12%
Communication	39%	39%	39%	42%	42%
Consumer	32%	32%	32%	28%	29%
Others	16%	16%	17%	18%	17%

(1) Revenue in this section represents wafer sales.

(2) Computer consists of ICs such as CPU, GPU, HDD controllers, DVD/CD-RW control ICs, PC chipset, audio codec, keyboard controller, monitor scaler, USB, I/O chipset, WLAN. Communication consists of handset components, broadband, bluetooth, Ethernet, LAN, DSP, etc. Consumer consists of ICs used for DVD players, DTV, STB, MP3/MP4, flash controller, game consoles, DSC, smart cards, toys, etc.

Blended ASP Trend

(To view blended ASP trend, please click here for 3Q26 ASP)

Shipment and Utilization Rate²

Wafer shipments increased 7.3% QoQ to 1,212K during the third quarter, while quarterly capacity was 1,325K. Overall utilization rate in 3Q26 was 92%.

Wafer Shipments
	3Q26	2Q26	1Q26	4Q25	3Q25
Wafer Shipments (12” K equivalents)	1,212	1,129	1,021	994	1,000

Quarterly Capacity Utilization Rate
	3Q26	2Q26	1Q26	4Q25	3Q25
Utilization Rate	92%	85%	79%	78%	78%
Total Capacity (12” K equivalents)	1,325	1,305	1,283	1,305	1,305


² Utilization Rate = Quarterly Wafer Out / Quarterly Capacity

Capacity³

Total capacity in the third quarter was 1,325K 12-inch equivalent wafers. Capacity will increase to 1,337K 12-inch equivalent wafers in the fourth quarter of 2026.

Annual Capacity in *thousands of wafers*							Quarterly Capacity in *thousands of wafers*
FAB		Geometry (um)	2025	2024	2023	2022	FAB		4Q26E	3Q26	2Q26	1Q26
WTK	6″	5 – 0.15	317	331	328	335	WTK	6″	80	80	80	78
8A	8″	3 – 0.11	857	829	811	765	8A	8″	215	215	215	212
8C	8″	0.35 – 0.11	500	477	473	459	8C	8″	125	125	125	123
8D	8″	0.18 – 0.11	471	473	440	410	8D	8″	118	118	118	116
8E	8″	0.6 – 0.11	522	524	490	469	8E	8″	131	131	131	129
8F	8″	0.18 – 0.11	583	578	570	550	8F	8″	146	146	146	144
8S	8″	0.18 – 0.11	466	455	447	443	8S	8″	117	117	117	115
8N	8″	0.5 – 0.11	996	1,013	996	952	8N	8″	250	250	250	246
12A	12″	0.13 – 0.014	1,629	1,556	1,305	1,170	12A	12″	409	409	409	402
12i	12″	0.13 – 0.040	684	678	655	655	12i	12″	204	192	172	169
12X	12″	0.080 – 0.022	347	318	317	314	12X	12″	95	95	95	93
12M	12″	0.13 – 0.040	471	455	438	436	12M	12″	119	119	119	117
Total⁽¹⁾			5,163	5,022	4,674	4,458	Total		1,337	1,325	1,305	1,283
YoY Growth Rate			3%	7%	5%	6%

⁽¹⁾One 6-inch wafer is converted into 0.25 (6²/12²) 12-inch equivalent wafer; one 8-inch wafer is converted into 0.44 (8²/12²) 12-inch equivalent wafers. Total capacity figures are expressed in 12-inch equivalent wafers.


³ Estimated capacity numbers are based on calculated maximum output rather than designed capacity. The actual capacity numbers may differ depending upon equipment delivery schedules, pace of migration to more advanced process technologies, and other factors affecting production ramp-up.

CAPEX

CAPEX spending in 3Q26 totaled US$373 million. 2026 cash-based CAPEX budget will be US$2.0 billion.

Capital Expenditure by Year – in US$ billion
Year	2025	2024	2023	2022	2021
CAPEX	$ 1.6	$ 2.9	$ 3.0	$ 2.7	$ 1.8

2026 CAPEX Plan
8″	12″	Total
10%	90%	US$2.0 billion

Fourth Quarter 2026 Outlook & Guidance

Quarter-over-Quarter Guidance:

Wafer Shipments: Will increase by low-single digit
ASP in USD: Will remain firm
Gross Profit Margin: Comparable to the preceding quarter
Capacity Utilization: Low-90% range
2026 CAPEX: US$2.0 billion

Recent Developments / Announcements

Aug. 17, 2026		UMC Named Among HR Asia Best Companies to Work for in Asia for the Third Time
Oct. 22, 2026		UMC and AP Memory Collaborate to Enable Advanced Power Delivery Solutions for AI and HPC Systems

Please visit UMC’s website for further details regarding the above announcements

Conference Call / Webcast Announcement

Wednesday, October 28, 2026

Time: 5:00 PM (Taipei) / 5:00 AM (New York) / 09:00 AM (London)

Dial-in numbers and Access Codes:
Taiwan Number:				02 3396 1191
Taiwan Toll Free:				0080 119 6666
US Toll Free:				+1 877 301 4670
Other Areas:				+886 2 3396 1191
Access Code:				1402028#

A live webcast and replay of the 3Q26 results announcement will be available at www.umc.com under the “Investors / Events” section.

About UMC

UMC (NYSE: UMC, TWSE: 2303) is a leading global semiconductor foundry company. The company provides high-quality IC fabrication services, focusing on logic and various specialty technologies to serve all major sectors of the electronics industry. UMC’s comprehensive IC processing technologies and manufacturing solutions include Logic/Mixed-Signal, embedded High-Voltage, embedded Non-Volatile-Memory, RFSOI, BCD etc. Most of UMC’s 12-in and 8-in fabs with its core R&D are in Taiwan, with additional ones throughout Asia. UMC has a total of 12 fabs in production with a combined capacity of more than 400,000 wafers per month (12-in equivalent), and all of them are certified with IATF 16949 automotive quality standards. UMC is headquartered in Hsinchu, Taiwan, plus local offices in the United States, Europe, China, Japan, Korea, and Singapore, with a worldwide total of 20,000 employees. For more information, please visit: http://www.umc.com.

Safe Harbor Notice and Disclaimer

This press release contains forward-looking statements within the meaning of Section 27A of the United States Securities Act of 1933, as amended, or the Securities Act, and Section 21E of the United States Securities Exchange Act of 1934, as amended, and as defined in the United States Private Securities Litigation Reform Act of 1995. Forward-looking statements can be identified by the fact that they do not relate strictly to historical or current facts. The words “may,” “will,” “is/are likely to,” “anticipate,” “believe,” “estimate,” “expect,” “intend,” “plan” and similar expressions are intended to identify a number of these forward-looking statements. These forward-looking statements include, but are not limited to, statements relating to anticipated quarterly Fab capacity, foundry capital expenditure plan and other statements that are not historical information.

These forward-looking statements involve known and unknown risks, uncertainties and other factors that may cause the actual performance, financial condition or results of operations of UMC to be materially different from what is stated or may be implied in such forward-looking statements. Investors are cautioned that actual events and results could differ materially from those statements as a result of a number of factors including, but not limited to: (i) dependence upon the frequent introduction of new services and technologies based on the latest developments in the industry in which UMC operates; (ii) the intensely competitive semiconductor, communications, consumer electronics and computer industries and markets; (iii) risks associated with international business activities; (iv) dependence upon key personnel; (v) general economic conditions, including those related to the semiconductor, communications, consumer electronics and computer industries; (vi) possible disruptions in commercial activities caused by natural and human-induced events and disasters, and outbreaks of contagious diseases; (vii) fluctuations in foreign currency exchange rates; and (viii) geopolitical conflicts, including political relationships between U.S., China and Taiwan. Further information regarding these and other risks is included in UMC’s filings with the United States Securities and Exchange Commission, including but not limited to UMC’s Annual Report on Form 20-F for the fiscal year ended December 31, 2025. All information provided in this release is as of the date of this release and is based on assumptions that UMC believes to be reasonable as of this date, and UMC does not undertake any obligation to update any forward-looking statement as a result of new information, future events or otherwise, except as required under applicable law.

The financial statements included in this release are prepared and published in accordance with Taiwan International Financial Reporting Standards, or TIFRSs, recognized by the Financial Supervisory Commission in the Republic of China, or the ROC, which is different from International Financial Reporting Standards, or IFRSs, issued by the International Accounting Standards Board. Investors are cautioned that there may be significant differences between TIFRSs and IFRSs. In addition, TIFRSs and IFRSs differ in certain significant respects from generally accepted accounting principles in the ROC and generally accepted accounting principles in the United States.

– FINANCIAL TABLES TO FOLLOW –

UNITED MICROELECTRONICS CORPORATION AND SUBSIDIARIES
Consolidated Condensed Balance Sheet
As of September 30, 2026
Figures in Millions of New Taiwan Dollars (NT$) and U.S. Dollars (US$)

	September 30, 2026
	US$	NT$	%
Assets
Current assets
Cash and cash equivalents	4,482	142,617	21.1%
Accounts receivable, net	1,340	42,629	6.3%
Inventories, net	1,206	38,373	5.7%
Other current assets	480	15,279	2.3%
Total current assets	7,508	238,898	35.4%

Non-current assets
Funds and investments	4,823	153,475	22.7%
Property, plant and equipment	7,957	253,203	37.5%
Right-of-use assets	240	7,634	1.1%
Other non-current assets	709	22,576	3.3%
Total non-current assets	13,730	436,887	64.7%
Total assets	21,238	675,786	100.0%

Liabilities
Current liabilities
Short-term loans	87	2,769	0.4%
Payables	1,443	45,932	6.8%
Current portion of long-term liabilities	289	9,205	1.4%
Other current liabilities	473	15,063	2.2%
Total current liabilities	2,293	72,968	10.8%

Non-current liabilities
Bonds payable	1,526	48,561	7.2%
Long-term loans	406	12,930	1.9%
Lease liabilities, noncurrent	171	5,446	0.8%
Other non-current liabilities	2,043	65,000	9.6%
Total non-current liabilities	4,146	131,937	19.5%
Total liabilities	6,440	204,906	30.3%

Equity
Equity attributable to the parent company
Capital	3,950	125,701	18.6%
Additional paid-in capital	719	22,882	3.4%
Retained earnings and other components of equity	10,227	325,430	48.2%
Treasury stock	(97)	(3,096)	(0.5%)
Total equity attributable to the parent company	14,799	470,917	69.7%
Non-controlling interests	(1)	(37)	(0.0%)
Total equity	14,798	470,880	69.7%
Total liabilities and equity	21,238	675,786	100.0%


Notes:
(1) The U.S. dollar amounts have been translated at an exchange rate of NT $31.82 per U.S. dollar as of September 30, 2026.
(2) Sums may not equal totals due to rounding.

UNITED MICROELECTRONICS CORPORATION AND SUBSIDIARIES
Consolidated Condensed Statements of Comprehensive Income
Figures in Millions of New Taiwan Dollars (NT$) and U.S. Dollars (US$)
Except Per Share and Per ADS Data

	Year over Year Comparison				Quarter over Quarter Comparison
	Three-Month Period Ended				Three-Month Period Ended
	September 30, 2026		September 30, 2025	Chg.	September 30, 2026		June 30, 2026	Chg.
	US$	NT$	NT$	%	US$	NT$	NT$	%
Operating revenues	2,320	74,239	59,127	25.6%	2,320	74,239	68,733	8.0%
Operating costs	(1,533)	(49,035)	(41,504)	18.1%	(1,533)	(49,035)	(46,410)	5.7%
Gross profit	788	25,205	17,623	43.0%	788	25,205	22,323	12.9%
	34.0%	34.0%	29.8%		34.0%	34.0%	32.5%
Operating expenses
– Sales and marketing expenses	(22)	(714)	(628)	13.7%	(22)	(714)	(733)	(2.5%)
– General and administrative expenses	(64)	(2,034)	(1,715)	18.6%	(64)	(2,034)	(2,426)	(16.2%)
– Research and development expenses	(141)	(4,524)	(4,631)	(2.3%)	(141)	(4,524)	(4,747)	(4.7%)
– Expected credit impairment gain	0	0	0	(99.6%)	0	0	0	(86.9%)
Subtotal	(227)	(7,272)	(6,973)	4.3%	(227)	(7,272)	(7,906)	(8.0%)
Net other operating income and expenses	22	710	467	51.8%	22	710	533	33.2%
Operating income	583	18,643	11,118	67.7%	583	18,643	14,950	24.7%
	25.1%	25.1%	18.8%		25.1%	25.1%	21.8%

Net non-operating income and expenses	40	1,268	3,526	(64.0%)	40	1,268	30,236	(95.8%)
Income from continuing operations before income tax	622	19,911	14,644	36.0%	622	19,911	45,186	(55.9%)
	26.8%	26.8%	24.8%		26.8%	26.8%	65.7%

Income tax benefit (expense)	(110)	(3,522)	300	–	(110)	(3,522)	(2,962)	18.9%
Net income	512	16,389	14,944	9.7%	512	16,389	42,224	(61.2%)
	22.1%	22.1%	25.3%		22.1%	22.1%	61.4%

Other comprehensive income (loss)	105	3,374	9,005	(62.5%)	105	3,374	30,467	(88.9%)

Total comprehensive income (loss)	618	19,763	23,949	(17.5%)	618	19,763	72,691	(72.8%)

Net income attributable to:
Shareholders of the parent	514	16,434	14,982	9.7%	514	16,434	42,260	(61.1%)
Non-controlling interests	(1)	(45)	(38)	18.4%	(1)	(45)	(36)	24.0%

Comprehensive income (loss) attributable to:
Shareholders of the parent	619	19,808	23,987	(17.4%)	619	19,808	72,727	(72.8%)
Non-controlling interests	(1)	(45)	(38)	18.7%	(1)	(45)	(36)	24.0%

Earnings per share-basic	0.041	1.32	1.20		0.041	1.32	3.39
Earnings per ADS ⁽²⁾	0.206	6.60	6.00		0.206	6.60	16.95
Weighted average number of shares
outstanding (in millions)		12,461	12,485			12,461	12,475


Notes:
(1) The U.S. dollar amounts have been translated at the weighted-average exchange rate of NT $31.99 per U.S. dollar for the three-month period ended September 30, 2026.
(2) 1 ADS equals 5 common shares.
(3) Sums may not equal totals due to rounding.

UNITED MICROELECTRONICS CORPORATION AND SUBSIDIARIES
Consolidated Condensed Statements of Comprehensive Income
Figures in Millions of New Taiwan Dollars (NT$) and U.S. Dollars (US$)
Except Per Share and Per ADS Data

	For the Three-Month Period Ended			For the Nine-Month Period Ended
	September 30, 2026			September 30, 2026
	US$	NT$	%	US$	NT$	%
Operating revenues	2,320	74,239	100.0%	6,428	204,010	100.0%
Operating costs	(1,533)	(49,035)	(66.1%)	(4,369)	(138,664)	(68.0%)
Gross profit	788	25,205	34.0%	2,059	65,346	32.0%

Operating expenses
– Sales and marketing expenses	(22)	(714)	(1.0%)	(67)	(2,136)	(1.1%)
– General and administrative expenses	(64)	(2,034)	(2.7%)	(198)	(6,293)	(3.1%)
– Research and development expenses	(141)	(4,524)	(6.1%)	(436)	(13,846)	(6.8%)
– Expected credit impairment gain	0	0	0.0%	0	0	0.0%
Subtotal	(227)	(7,272)	(9.8%)	(702)	(22,276)	(10.9%)
Net other operating income and expenses	22	710	1.0%	57	1,799	0.9%
Operating income	583	18,643	25.1%	1,414	44,869	22.0%

Net non-operating income and expenses	40	1,268	1.7%	1,162	36,872	18.1%
Income from continuing operations before income tax	622	19,911	26.8%	2,575	81,741	40.1%


Income tax expense	(110)	(3,522)	(4.7%)	(221)	(7,011)	(3.4%)
Net income	512	16,389	22.1%	2,355	74,730	36.6%

Other comprehensive income (loss)	105	3,374	4.5%	1,388	44,046	21.6%

Total comprehensive income (loss)	618	19,763	26.6%	3,742	118,776	58.2%

Net income attributable to:
Shareholders of the parent	514	16,434	22.1%	2,359	74,865	36.7%
Non-controlling interests	(1)	(45)	(0.1%)	(4)	(135)	(0.1%)

Comprehensive income (loss) attributable to:
Shareholders of the parent	619	19,808	26.7%	3,747	118,911	58.3%
Non-controlling interests	(1)	(45)	(0.1%)	(4)	(135)	(0.1%)

Earnings per share-basic	0.041	1.32		0.189	6.00
Earnings per ADS ⁽²⁾	0.206	6.60		0.945	30.00

Weighted average number of shares outstanding (in millions)		12,461			12,476

Notes:
(1) The U.S. dollar amounts have been translated at the weighted-average exchange rate of NT $31.99 and NT $31.74 per U.S. dollar for the three-month and nine-month period ended September 30, 2026, respectively.
(2) 1 ADS equals 5 common shares.
(3) Sums may not equal totals due to rounding.

UNITED MICROELECTRONICS CORPORATION AND SUBSIDIARIES
Consolidated Condensed Statement of Cash Flows
For The Nine-Month Period Ended September 30, 2026
Figures in Millions of New Taiwan Dollars (NT$) and U.S. Dollars (US$)

	US$	NT$
Cash flows from operating activities :
Net income before tax	2,575	81,741
Depreciation & Amortization	1,541	48,917
Share of profit of associates and joint ventures	(885)	(28,101)
Income tax paid	(202)	(6,411)
Changes in working capital & others	(329)	(10,452)
Net cash provided by operating activities	2,700	85,694

Cash flows from investing activities :
Decrease in financial assets measured at amortized cost	142	4,515
Acquisition of property, plant and equipment	(1,027)	(32,609)
Acquisition of intangible assets	(67)	(2,129)
Others	78	2,469
Net cash used in investing activities	(874)	(27,753)

Cash flows from financing activities :
Decrease in short-term loans	(178)	(5,640)
Proceeds from bonds issued	533	16,913
Redemption of bonds	(191)	(6,065)
Proceeds from long-term loans	548	17,391
Repayments of long-term loans	(463)	(14,700)
Cash dividends	(1,030)	(32,697)
Treasury stock acquired	(98)	(3,096)
Others	(34)	(1,087)
Net cash used in financing activities	(913)	(28,980)

Effect of exchange rate changes on cash and cash equivalents	94	2,996
Net increase in cash and cash equivalents	1,007	31,957

Cash and cash equivalents at beginning of period	3,487	110,660

Cash and cash equivalents at end of period	4,494	142,617


Notes:
(1) The U.S. dollar amounts have been translated at the weighted-average exchange rate of NT $31.74 per U.S. dollar for the nine-month period ended September 30, 2026.

(2) Sums may not equal totals due to rounding.

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