Page 198 - 2017 TSMC Annual Report

Furthermore, in presenting the above sensitivity analysis, the present value of the defined benefit obligation has been calculated using the projected unit credit method at the end of the reporting period, which is the same as that applied in calculating the defined benefit obligation liability.
The Company expects to make contributions of NT$233,745 thousand to the defined benefit plans in
the next year starting from December 31, 2017. obligation is 13 years.
22. GUARANTEEDEPOSITS
Capacity guarantee
Receivables guarantee
Others 306,521
$ 16,080,619
Current portion (classified under accrued expenses and other current
liabilities) $ 8,493,829 Noncurrent portion 7,586,790
The weighted average duration of the defined benefit
December 31, 2017
December 31, 2016
$ 20,929,350 5,559,960 181,312
$ 26,670,622
$ 12,000,189 14,670,433
$ 13,346,550 2,427,548
$ 16,080,619
Some of guarantee deposits were refunded to customers by offsetting related accounts receivable.
23. EQUITY
a. Capital stock
Authorized shares (in thousands) Authorized capital
Issued and paid shares (in thousands) Issued capital
December 31, 2017
28,050,000 $ 280,500,000 25,930,380 $ 259,303,805
$ 26,670,622
December 31, 2016
28,050,000 $ 280,500,000 25,930,380 $ 259,303,805
A holder of issued common shares with par value of NT$10 per share is entitled to vote and to receive dividends.
The authorized shares include 500,000 thousand shares allocated for the exercise of employee stock options.
As of December 31, 2017, 1,068,165 thousand ADSs of TSMC were traded on the NYSE. The number of common shares represented by the ADSs was 5,340,823 thousand shares (one ADS represents five common shares).
- 50 -
- 50 -