Apr. 28, 2021

2021 Q1 Financial Review

Disclaimer

Except for statements in respect of historical matters, the statements in this release are forward-looking statements. Such forward-looking statements involve known and unknown risks, uncertainties and other factors which may cause the actual performance, financial condition or results of operations of Unimicron to be materially different from what may be implied by such forward-looking statements.

The financial forecasts and forward-looking statements in this release reflect the current belief of Unimicron as of the date of this release and Unimicron undertakes no obligation to update these forecasts and forward-looking statements for events or circumstances that occur subsequent to such date.

The statements in respect of historical matters may contain unaudited information, which may have certain deficiency or weakness so as not to fairly present financial condition or the result of operations of Unimicron.

Consolidated Sales & Gross Margin Trend

17,273

19,741

22,949 22,572

20,567 21,710

23,039 22,577 21,823

7.0%

6.4% 14.1% 15.2% 13.9%

15.8%

14.5% 14.2%

17.2%

0%

5%

10%

15%

20%

0

5,000

10,000

15,000

20,000

25,000

Q1'19 Q2'19 Q3'19 Q4'19 Q1'20 Q2'20 Q3'20 Q4'20 Q1'21

Sales GM%Sales (NT$ in millions) GM (%) Sales (NT$ in millions) GM (%)

Consolidated Statements of Comprehensive Income – QoQ

Consolidated Statements of Comprehensive Income – YoY

Consolidated Balance Sheets

Consolidated Statements Of Cash Flows – QoQ

Consolidated Statements Of Cash Flows – YoY

Sales Breakdown by Technology - QoQ

46% 48%

34% 30%

14% 16%

5% 5%

1% 1%

0

5,000

10,000

15,000

20,000

25,000

Q4'20 Q1'21

Other

FPC

PCB

HDI

Carrier

Sales (NT$ millions) -754M (-3.3%)↓

22,577 21,823 QoQ%

-5%

+17%

-15%

-1%

46% 48%

19% 12%

21%

23%

14% 17%

0

5,000

10,000

15,000

20,000

25,000

Q4'20 Q1'21

PC&NB

Consumer & Others

Communication

Carrier

Sales (NT$ millions)

21,823 22,577

-754M (-3.3%)↓

Sales Breakdown by Application - QoQ

QoQ%

+19%

+10%

-40%

-1%

48% 48%

34% 30%

12% 16% 5%

5% 1%

1%

0

5,000

10,000

15,000

20,000

25,000

Q1'20 Q1'21

Other

FPC

PCB

HDI

Carrier

Sales (NT$ millions) Sales (NT$ millions)

20,567

+1,256M (+6.1%)↑

21,823

Sales Breakdown by Technology - YoY

YoY%

+3%

+46%

-9%

+6%

48% 48%

18% 12%

20% 23%

14% 17%

0

5,000

10,000

15,000

20,000

25,000

Q1'20 Q1'21

PC&NB

Consumer & Others

Communication

Carrier

Sales (NT$ millions)

20,567 21,823

+1,256M (+6.1%)↑

Sales Breakdown by Application - YoY

YoY%

+22%

+24%

-28%

+6%

Thank you

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