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Related Party Transactions (Tables)

12 Months Ended

Dec. 31, 2017

Text block1 [abstract]

Summary of Significant Transactions between the Company and Other Related Parties

b. Net revenue

				Years Ended December 31
				2015				2016				2017
				NT$				NT$				NT$
				(In Millions)				(In Millions)				(In Millions)
Item		Related Party Categories
Net revenue from sale of goods		Associates		$	4,254.0			$	5,929.1			$	8,496.0
		Other related parties			—				—				0.1
		Joint venture			1.2				—				—
				$	4,255.2			$	5,929.1			$	8,496.1
Net revenue from royalties		Associates		$	489.4			$	516.7			$	482.5

c. Purchases

				Years Ended December 31
				2015				2016				2017
				NT$				NT$				NT$
				(In Millions)				(In Millions)				(In Millions)
Related Party Categories
Associates				$	11,126.4			$	10,108.2			$	9,904.6

d. Receivables from related parties

				December 31, 2016				December 31, 2017
				NT$				NT$
				(In Millions)				(In Millions)
Item		Related Party Name/Categories
Receivables from related parties		GUC		$	969.1			$	1,022.9
		Xintec			0.4				161.2
				$	969.5			$	1,184.1
Other receivables from related parties		SSMC		$	60.7			$	83.1
		VIS			86.0				78.2
		Other Associates			0.1				9.8
				$	146.8			$	171.1

e. Payables to related parties

				December 31, 2016				December 31, 2017
				NT$				NT$
				(In Millions)				(In Millions)
Item		Related Party Name/Categories
Payables to related parties		Xintec		$	124.6			$	817.9
		VIS			587.4				410.0
		SSMC			506.1				407.0
		Other Associates			44.1				21.5
				$	1,262.2			$	1,656.4

f. Acquisition of property, plant and equipment

				Acquisition Price
				Years Ended December 31
				2015				2016				2017
				NT$				NT$				NT$
				(In Millions)				(In Millions)				(In Millions)
Related Party Categories
Associates				$	26.2			$	—			$	—

g. Others

				Years Ended December 31
				2015				2016				2017
				NT$				NT$				NT$
				(In Millions)				(In Millions)				(In Millions)
Item		Related Party Categories
Manufacturing expenses		Associates		$	2,321.9			$	1,389.2			$	2,196.1
		Joint venture			12.8				—				—
				$	2,334.7			$	1,389.2			$	2,196.1
Research and development expenses		Associates		$	142.8			$	161.7			$	69.8
		Joint venture			1.4				—				—
				$	144.2			$	161.7			$	69.8
General and administrative expenses		Other related parties		$	60.0			$	60.0			$	101.5

Compensation to Directors and Other Key Management Personnel

The compensation to directors and other key management personnel for the years ended December 31, 2015, 2016 and 2017 were as follows:

				Years Ended December 31
				2015				2016				2017
				NT$				NT$				NT$
				(In Millions)				(In Millions)				(In Millions)
Short-term employee benefits				$	1,883.0			$	2,024.0			$	2,170.3
Post-employment benefits					10.9				4.0				3.7
				$	1,893.9			$	2,028.0			$	2,174.0

X

- Definition

The disclosure of information about key management personnel. [Refer: Key management personnel of entity or parent [member]]

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The disclosure of transactions between the entity and its related parties. [Refer: Related parties [member]]

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