ChipMOS REPORTS 25.2% INCREASE IN 1Q20 REVENUE; MARCH MONTHLY REVENUE INCREASES 24.2%

HSINCHU,Taiwan,April 9,2020 /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 March 2020and for the firstquarter ended March 31,2020. All U.S. dollar figures cited in this press release are based on the exchange rate of NT$30.25 toUS$1.00 as ofMarch 31,2020.

Revenue for thefirst quarter of 2020 was NT$5,586.8 million or US$184.7 million,representing an increase of 0.3%fromthe fourth quarter of 2019,and an increase of 25.2%from the firstquarter of 2019.

Revenue for the month of March 2020was NT$1,966.8million or US$65.0 million,an increaseof4.2%fromFebruary 2020 and an increaseof24.2% fromMarch 2019.

The Company noted its first quarter 2020 revenue represents a five year record high. ChipMOS is benefitting from continued growth in its memory business,with DRAM and NOR flash demand driven by ongoing 5G network buildouts worldwide,along with increased demand from the gaming market,and higher demand in support of the increased number of people now required to work or attend school from home. ChipMOS continues to closely follow all guidelines and regulations provided by The Taiwan Centers for Disease Controls (CDC) and other regulatory agencies to ensure the health and safety of its employees,while maintaining the reliability and quality customers rely on ChipMOS for.

Consolidated Monthly Revenues (Unaudited)

March2020

February 2020

March2019

MoM Change

YoY Change

Revenues

(NT$ million)

1,966.8

1,887.7

1,583.6

4.2%

24.2%

Revenues

(US$ million)

65.0

62.4

52.4

4.2%

24.2%

Consolidated Quarterly Revenues (Unaudited)

First Quarter 2020

Fourth Quarter 2019

First Quarter 2019

QoQ Change

YoY Change

Revenues

(NT$ million)

5,586.8

5,571.5

4,462.0

0.3%

25.2%

Revenues

(US$ million)

184.7

184.2

147.5

0.3%

25.2%

About ChipMOS TECHNOLOGIES INC.:

ChipMOS TECHNOLOGIES INC.("ChipMOS"or the "Company")(Taiwan Stock Exchange: 8150 and NASDAQ: IMOS) (https://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 provide assembly and test services to a broad range of customers,including leading fabless semiconductor companies,integrated device manufacturers and independent semiconductor foundries.

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,strategy,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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