AI demand drives ChipMOS (Nasdaq: IMOS) April 2026 revenue higher

Rhea-AI Filing Summary

ChipMOS TECHNOLOGIES INC. reported unaudited consolidated revenue for April 2026 of NT$2,460.5 million, or US$77.8 million. This was down 1.6% from March 2026, but up 32.2% compared to April 2025, showing much higher business volume than a year earlier.

The company stated it is benefiting from ongoing revenue strength and visibility into customer demand extending through 2026, driven by a persistent AI-related demand and supply imbalance in its outsourced semiconductor assembly and test services business.

Key Figures

April 2026 revenue (NT$): NT$2,460.5 million April 2026 revenue (US$): US$77.8 million March 2026 revenue (NT$): NT$2,501.6 million +4 more

7 metrics

April 2026 revenue (NT$) NT$2,460.5 million Unaudited consolidated revenue for April 2026

April 2026 revenue (US$) US$77.8 million Converted at NT$31.61 to US$1.00 as of April 30, 2026

March 2026 revenue (NT$) NT$2,501.6 million Prior month revenue used for MoM comparison

April 2025 revenue (NT$) NT$1,860.8 million Prior-year month baseline for YoY growth

Month-on-month change -1.6% April 2026 vs March 2026 revenue change

Year-over-year change 32.2% April 2026 vs April 2025 revenue growth

FX rate NT$31.61 = US$1.00 Exchange rate used for U.S. dollar figures as of April 30, 2026

Key Terms

outsourced semiconductor assembly and test services, forward-looking statements, Hsinchu Science Park, fabless semiconductor companies, +1 more

5 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.

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.

Hsinchu Science Park other

"With advanced facilities in Hsinchu Science Park, Hsinchu Industrial Park"

fabless semiconductor companies financial

"The Company provides end-to-end assembly and test services to leading fabless semiconductor companies"

integrated device manufacturers financial

"end-to-end assembly and test services to leading fabless semiconductor companies, integrated device manufacturers"

Integrated device manufacturers are companies that design and produce their own hardware products from start to finish, combining product design, component fabrication and final assembly under one roof. Like a bakery that mills its own flour, bakes the bread and sells it in-store, these firms have more control over costs, quality and supply chains, which can lead to steadier margins and lower dependence on outside suppliers—factors investors watch when assessing stability and capital needs.

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

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 May 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: May 8, 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 32.2% YoY INCREASE IN APRIL 2026 REVENUE

Hsinchu, Taiwan, May 8, 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 April 2026. All U.S. dollar figures cited in this press release are based on the exchange rate of NT$31.61 to US$1.00 as of April 30, 2026.

Revenue for the month of April 2026 was NT$2,460.5 million or US$77.8 million, representing a decrease of 1.6% from March 2026, and an increase of 32.2% from April 2025. The Company noted it continues to benefit from ongoing revenue strength with visibility into customer demand now extending through 2026 led by a persistent AI-related demand/supply imbalance.

Consolidated Monthly Revenues (Unaudited)
	April 2026	March 2026	April 2025	MoM Change	YoY Change
Revenues    (NT$ million)	2,460.5	2,501.6	1,860.8	-1.6%	32.2%
Revenues    (US$ million)	77.8	79.1	58.9	-1.6%	32.2%

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.

FAQ

How did ChipMOS (IMOS) perform in April 2026 revenue?

ChipMOS reported April 2026 revenue of NT$2,460.5 million, or US$77.8 million. This represented a 32.2% year-over-year increase compared to April 2025, highlighting significantly stronger demand, even though revenue declined modestly by 1.6% versus March 2026.

What was ChipMOS (IMOS) month-on-month revenue change in April 2026?

ChipMOS April 2026 revenue declined 1.6% month-on-month versus March 2026. Revenue moved from NT$2,501.6 million in March to NT$2,460.5 million in April, a small sequential decrease following strong levels earlier in the year.

What was ChipMOS (IMOS) year-over-year revenue growth in April 2026?

ChipMOS achieved a 32.2% year-over-year increase in revenue in April 2026. Revenue rose from NT$1,860.8 million in April 2025 to NT$2,460.5 million in April 2026, reflecting substantially higher business activity compared with the same month last year.

How does ChipMOS (IMOS) convert its April 2026 revenue into U.S. dollars?

ChipMOS converts its April 2026 revenue using an exchange rate of NT$31.61 to US$1.00 as of April 30, 2026. Based on this rate, April revenue of NT$2,460.5 million equates to approximately US$77.8 million in the company’s disclosure.

What demand drivers did ChipMOS (IMOS) highlight for April 2026 revenue strength?

ChipMOS highlighted a persistent AI-related demand and supply imbalance as a key driver of its revenue strength. The company noted visibility into customer demand extending through 2026, supporting its outsourced semiconductor assembly and test services across multiple end markets worldwide.

What services does ChipMOS (IMOS) provide to generate its revenue?

ChipMOS is an industry-leading provider of outsourced semiconductor assembly and test services. It offers end-to-end assembly and testing to leading fabless semiconductor companies, integrated device manufacturers, and independent foundries from facilities in several science and industrial parks in Taiwan.