ChipMOS Reports a Bright 2021, Experiences 19.1% YOY Revenue Increase

ChipMOS TECHNOLOGIES INC. (ChipMOS or the Company) (Taiwan Stock Exchange: 8150 andNASDAQ: IMOS), an industry leading provider of outsourced semiconductor assembly and test services (“OSAT”), today reported a 19.1% year over year increase in revenue for the full year ended December 31, 2021, compared to the full year ended December 31, 2020. All U.S. dollar figures cited in this press release are based on the exchange rate of NT$27.74 to US$1.00 as of December 30, 2021.

Revenue for the full year ended December 31, 2021 increased 19.1% on a year over year basis to NT$27,400.0 million or US$987.7 million, as compared to NT$23,011.4 million or US$829.5 million for the full year ended December 31, 2020. Full year 2021 revenue represents a new record high for the Company, reflecting the addition of incremental capacity to meet higher aggregate demand levels, and the benefit of stable higher utilization levels across its DDIC high-end test and memory platforms.

Revenue for the fourth quarter of 2021 increased 7.6% on a year over year basis to NT$6,791.4 million or US$244.8 million, representing a decrease of 5.2% from the third quarter of 2021.

Revenue for the month of December 2021 increased 3.4% on a year over year basis to NT$2.265.5 million or US$81.7 million, representing an increase of 1.3% compared to November 2021.