ChipMOS REPORTS JULY 2023 REVENUE

HSINCHU, Aug. 10, 2023 /PRNewswire-FirstCall/ -- 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 July 2023. All U.S. dollar figures cited in this press release are based on the exchange rate of NT$31.45 to US$1.00 as of July 31, 2023.

Revenue for the month of July 2023 was NT$1,836.2 million or US$58.4 million, representing an increase of 2.7% from June 2023, and a decrease of 5.7% from July 2022.

The Company noted the sequential growth reflects the continued improvement in loading levels of its DDIC high-end test platform, and initial signs of improvement in its Memory business entering the second half of 2023.

Consolidated Monthly Revenues (Unaudited)
	July 2023	June 2023	July 2022	MoM Change	YoY Change
Revenues    (NT$ million)	1,836.2	1,788.1	1,948.0	2.7 %	-5.7 %
Revenues    (US$ million)	58.4	56.9	61.9	2.7 %	-5.7 %

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 plans, objectives and expectations 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, due to various factors. 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 U.S. Securities and Exchange Commission (the "SEC") and in the Company's other filings with the SEC.

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

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SOURCE ChipMOS TECHNOLOGIES INC.