ChipMOS May 2026 Revenue Rises 17.7% Year Over Year

ChipMOS TECHNOLOGIES INC. reported unaudited consolidated revenue for May 2026 of NT$2,384.3 million, or US$76.0 million.

Rhea-AI Filing Summary

ChipMOS TECHNOLOGIES INC. reported unaudited consolidated revenue for May 2026 of NT$2,384.3 million, or US$76.0 million. Revenue declined 3.1% compared with April 2026, but increased 17.7% from May 2025, showing solid year-over-year growth on a monthly basis.

The company said it continues to benefit from a persistent AI-related demand and supply imbalance, which is supporting revenue strength. ChipMOS has been investing in expanding its footprint, and noted that new capacity is being used to meet existing customer forecasts and long-term supply agreements.

Key Figures

May 2026 revenue (NT$): NT$2,384.3 million May 2026 revenue (US$): US$76.0 million Month-over-month revenue change: -3.1% +4 more

7 metrics

May 2026 revenue (NT$) NT$2,384.3 million Unaudited consolidated revenue for May 2026

May 2026 revenue (US$) US$76.0 million Converted at NT$31.37 to US$1.00 as of May 29, 2026

Month-over-month revenue change -3.1% May 2026 vs. April 2026

Year-over-year revenue change 17.7% May 2026 vs. May 2025

April 2026 revenue (NT$) NT$2,460.5 million Prior month consolidated revenue

May 2025 revenue (NT$) NT$2,025.4 million Prior-year monthly comparison

FX rate used NT$31.37 = US$1.00 Exchange rate as of May 29, 2026

Key Terms

outsourced semiconductor assembly and test services, AI-related demand/supply imbalance, long-term supply agreements, forward-looking statements, +2 more

6 terms

outsourced semiconductor assembly and test services financial

"an industry leading provider of outsourced semiconductor assembly and test services"

Companies that provide outsourced semiconductor assembly and test services take manufactured silicon chips and handle the physical packaging, final electrical testing and quality checks before the chips are shipped to customers. Think of them as a specialized fulfillment and inspection center for delicate electronics; their work affects device reliability, delivery times and cost structures, so investors watch them for supply‑chain risk, capacity constraints, technological competitiveness and margin trends.

AI-related demand/supply imbalance financial

"continues to benefit from ongoing revenue strength led by a persistent AI-related demand/supply imbalance"

A mismatch between how much businesses and consumers want artificial intelligence products, services, talent, data, or computing power and how much the market can supply at a given price and time. Think of it like a sudden rush for a popular toy: if demand outstrips supply prices, wait times, or profit margins can change; if supply exceeds demand, sellers may cut prices or slow investment. For investors, this dynamic can influence company revenues, costs, capital spending, and the pace of industry consolidation.

long-term supply agreements financial

"new capacity is being used to meet existing customer forecasts and long-term supply agreements"

forward-looking statements regulatory

"This press release may contain certain forward-looking statements."

Forward-looking statements are predictions or plans that companies share about what they expect to happen in the future, like estimating sales or profits. They matter because they help investors understand a company's outlook, but since they are based on guesses and assumptions, they can sometimes be wrong.

macroeconomic conditions financial

"statements regarding current macroeconomic conditions, including the impacts of high inflation"

tariffs regulatory

"changes in trade regulations, policies, and agreements and the imposition of tariffs that affect our products or operations"

Tariffs are taxes imposed by a government on goods imported from other countries. They increase the cost of those goods, which can lead to higher prices for consumers and impact international trade. For investors, tariffs matter because they can influence the profitability of companies, affect supply chains, and shift economic stability across different regions.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

How much revenue did ChipMOS (IMOS) generate in May 2026?

ChipMOS reported May 2026 revenue of NT$2,384.3 million, or US$76.0 million. These unaudited consolidated figures reflect the company’s monthly sales performance and provide an early view of business trends ahead of full quarterly and annual financial reports.

How did ChipMOS (IMOS) May 2026 revenue compare to April 2026?

May 2026 revenue was 3.1% lower than April 2026. Revenue declined from NT$2,460.5 million in April to NT$2,384.3 million in May, indicating a modest month-over-month slowdown while still maintaining strong year-over-year growth.

What was the year-over-year revenue growth for ChipMOS (IMOS) in May 2026?

ChipMOS achieved 17.7% year-over-year revenue growth in May 2026. Revenue rose from NT$2,025.4 million in May 2025 to NT$2,384.3 million in May 2026, driven in part by ongoing strength in AI-related demand.

What factors are supporting ChipMOS (IMOS) revenue performance in May 2026?

ChipMOS cited a persistent AI-related demand and supply imbalance supporting revenue. The company also highlighted investments in footprint expansion, with new capacity directed to existing customer forecasts and long-term supply agreements across its OSAT services.

In what currencies did ChipMOS (IMOS) present May 2026 revenue figures?

ChipMOS presented May 2026 revenue in New Taiwan dollars and U.S. dollars. Revenue was NT$2,384.3 million or US$76.0 million, using an exchange rate of NT$31.37 to US$1.00 as of May 29, 2026.

AI-generated analysis. How Rhea-AI works. Not financial advice.

Form 6-K: How Foreign Companies Report to the SEC →

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Accepted by SEC EDGAR 06/10/2026 - 06:05 AM Learn about SEC filing dates

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, DC 20549

FORM 6-K

REPORT OF FOREIGN PRIVATE ISSUER

PURSUANT TO RULE 13a-16 OR 15d-16

UNDER THE SECURITIES EXCHANGE ACT OF 1934

For the month of June 2026

Commission File Number 001-37928

ChipMOS TECHNOLOGIES INC.

(Translation of Registrant’s Name into English)

No. 1, R&D Rd. 1, Hsinchu Science Park

Hsinchu, Taiwan

Republic of China

(Address of Principal Executive Offices)

(Indicate by check mark whether the registrant files or will file annual reports under cover of Form 20-F or Form 40-F.)

Form 20-F ☒ Form 40-F ☐

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.

						ChipMOS TECHNOLOGIES INC.
						(Registrant)
Date: June 10, 2026				By		/S/ S. J. Cheng
				Name:		S. J. Cheng
				Title:		Chairman & President

Contacts:

In Taiwan Jesse Huang ChipMOS TECHNOLOGIES INC. +886-6-5052388 ext. 7715 IR@chipmos.com In the U.S. David Pasquale Global IR Partners +1-914-337-8801 dpasquale@globalirpartners.com

ChipMOS REPORTS 17.7% YoY INCREASE IN MAY 2026 REVENUE

Hsinchu, Taiwan, June 10, 2026 - ChipMOS TECHNOLOGIES INC. (“ChipMOS” or the “Company”) (Taiwan Stock Exchange: 8150 and Nasdaq: IMOS), an industry leading provider of outsourced semiconductor assembly and test services (“OSAT”), today reported its unaudited consolidated revenue for the month of May 2026. All U.S. dollar figures cited in this press release are based on the exchange rate of NT$31.37 to US$1.00 as of May 29, 2026.

Revenue for the month of May 2026 was NT$2,384.3 million or US$76.0 million, representing a decrease of 3.1% from April 2026, and an increase of 17.7% from May 2025. The Company noted it continues to benefit from ongoing revenue strength led by a persistent AI-related demand/supply imbalance. While the Company has been investing in footprint expansion, new capacity is being used to meet existing customer forecasts and long-term supply agreements.

Consolidated Monthly Revenues (Unaudited)
	May 2026	April 2026	May 2025	MoM Change	YoY Change
Revenues    (NT$ million)	2,384.3	2,460.5	2,025.4	-3.1%	17.7%
Revenues    (US$ million)	76.0	78.4	64.6	-3.1%	17.7%

About ChipMOS TECHNOLOGIES INC.:

ChipMOS TECHNOLOGIES INC. (“ChipMOS” or the “Company”) (Taiwan Stock Exchange: 8150 and Nasdaq: IMOS) (www.chipmos.com) is an industry leading provider of outsourced semiconductor assembly and test services. With advanced facilities in Hsinchu Science Park, Hsinchu Industrial Park and Southern Taiwan Science Park in Taiwan, ChipMOS is known for its track record of excellence and history of innovation. The Company provides end-to-end assembly and test services to leading fabless semiconductor companies, integrated device manufacturers and independent semiconductor foundries serving virtually all end markets worldwide.

Forward-Looking Statements:

This press release may contain certain forward-looking statements. These forward-looking statements may be identified by words such as ‘believes,’ ‘expects,’ ‘anticipates,’ ‘projects,’ ‘intends,’ ‘should,’ ‘seeks,’ ‘estimates,’ ‘future’ or similar expressions or by discussion of, among other things, strategies, goals, plans or intentions. These statements may include financial projections and estimates and their underlying assumptions, statements regarding current macroeconomic conditions, including the impacts of high inflation, foreign exchange rates and risk of recession, on demand for our products, consumer confidence and financial markets generally; changes in trade regulations, policies, and agreements and the imposition of tariffs that affect our products or operations, including potential new tariffs that may be imposed and our ability to mitigate with respect to future operations, products and services, and statements regarding future performance. Actual results may differ materially in the future from those reflected in forward-looking statements contained in this document, based on a number of important factors and risks, which are more specifically identified in the Company’s most recent U.S. Securities and Exchange Commission (the “SEC”) filings. Further information regarding these risks, uncertainties and other factors are included in the Company’s most recent Annual Report on Form 20-F filed with the SEC and in its other filings with the SEC.