TMC — Interim / Quarterly Report 2017

Oct 20, 2017

TAIWAN MASK CORPORATION BUSINESS REVIEW

October 20,2017

CONTENT

• DISCLAIMER STATEMENT

� COMPANY INTRODUCTION � Q2 2017 BALANCE SHEET (CONSOLIDATED) � Q2 2017 P&L (CONSOLIDATED)

� REVENUE TREND

• RETURN TO GLORY

� Q&A

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� DISCLAIMER STATEMENT

Our discussion include estimates or other may predictions, information that might be considered forward-looking. While these forward-looking statements represent our current judgment on what the future holds, they are subject to risks and uncertainties that could cause actual results to differ materially. You are cautioned not to place undue reliance on these forward-looking statements, which reflect our opinions only as of the date of this presentation. Please keep in mind that we are not obligating ourselves to revise or publicly release the results of any revision to these forward-looking statements in light of new information or future events. Throughout today’s discussion, we will attempt to present some important factors relating to our business that may affect our predictions.

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� COMPANY INTRODUCTION

Taiwan Mask Corporation was established on October 21,1988 and took over original mask business from ERSO ITRI.

Mask manufacture plays a key role in the Semiconductor industry. The function of masks are the interface between IC

design and wafer foundries.

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Unit：NT $ 1,000

Unit：NT $ 1,000

Unit：NT $ 1,000

Unit：NT $ million

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� RETURN TO GLORY

1. 。 Board of Directors Reorganized

2. 。 Strengthen the management team

3. 。 Improve capacity utilization

4. 。 Invest photomask business continuously

5. All-round Semiconductor service group

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