Page 232 - TSMC 2020 Annual Report

37. SIGNIFICANT OPERATION LOSSES
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. An estimated loss of NT$3,400,000 thousand related to this event was recognized in cost of revenue for the three months ended March 31, 2019.
38. ADDITIONALDISCLOSURES
Following are the additional disclosures required by the Securities and Futures Bureau for TSMC:
a. Financings provided: See Table 1 attached;
b. Endorsement/guarantee provided: See Table 2 attached;
c. Marketable securities held (excluding investments in subsidiaries and associates): See Table 3 attached;
d. Marketable securities acquired and disposed of at costs or prices of at least NT$300 million or 20% of the paid-in capital: See Table 4 attached;
e. Acquisition of individual real estate properties at costs of at least NT$300 million or 20% of the paid-in capital: See Table 5 attached;
f. Disposal of individual real estate properties at prices of at least NT$300 million or 20% of the paid-in capital: None;
g. Total purchases from or sales to related parties of at least NT$100 million or 20% of the paid-in capital: See Table 6 attached;
h. Receivables from related parties amounting to at least NT$100 million or 20% of the paid-in capital: See Table 7 attached;
i. Information about the derivative financial instruments transaction: See Notes 7 and 10;
j. Others: The business relationship between the parent and the subsidiaries and significant transactions between them: See Table 8 attached;
k. Names, locations, and related information of investees over which TSMC exercises significant influence (excluding information on investment in mainland China): See Table 9 attached;
l. Information on investment in mainland China
1) The name of the investee in mainland China, the main businesses and products, its issued capital, method of investment, information on inflow or outflow of capital, percentage of ownership, income (losses) of the investee, share of profits/losses of investee, ending balance, amount received as dividends from the investee, and the limitation on investee: See Table 10 attached.
2) Significant direct or indirect transactions with the investee, its prices and terms of payment, unrealized gain or loss, and other related information which is helpful to understand the impact of investment in mainland China on financial reports: See Table 8 attached.
- 73 -
- 73 -