Page 230 - TSMC 2018 Annual Report

41. SIGNIFICANT LOSSES FROM DISASTERS
The Company experienced a computer virus outbreak on August 3, 2018, which affected a number of computer systems and fab tools, and consequently impacted wafer production in Taiwan. All the impacted tools have been recovered by August 6, 2018. The Company recognized a loss of NT$2,596,046 thousand related to this incident for the three months ended September 30, 2018, which was included in cost of revenue.
42. SIGNIFICANT SUBSEQUENT EVENTS
On January 19, 2019, the Company discovered a wafer contamination issue in a fab in Taiwan caused by a batch of unqualified photoresist materials. After investigation, the Company immediately stopped using the unqualified materials. As of the date the accompanying consolidated financial statements were issued, a preliminary estimated loss of NT$6,100,000 thousand will be recognized in cost of revenue for the three months ended March 31, 2019.
43. EXCHANGE RATE INFORMATION OF FOREIGN-CURRENCY FINANCIAL ASSETS AND LIABILITIES
The following information was summarized according to the foreign currencies other than the functional
currency of the Company. the functional currency. were as follows:
December 31, 2018
Financial assets
Monetary items USD
USD EUR JPY
Non-monetary items HKD
Financial liabilities
Monetary items USD
EUR JPY
The exchange rates disclosed were used to translate the foreign currencies into The significant financial assets and liabilities denominated in foreign currencies
Foreign Currencies (In Thousands)
Exchange Rate (Note 1)
30.740
3.93
30.740 35.22 0.2783
Carrying Amount (In Thousands)
$ 141,974,734 10,547,875 266,307 136,544
568,150
132,912,486 16,827,260 9,763,999
(Continued)
$
4,618,566 343,132 7,561 490,635
144,567
4,323,763 477,776 35,084,436
6.866 (Note 2)
35.22
0.2783
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