Communication business increased to 49%. Revenue from the consumer segment declined to 29%.

⁽¹⁾ Computer consists of ICs such as CPU, GPU, HDD controllers, DVD/CD-RW control ICs, PC chipset, audio codec, keyboard controller, monitor scaler, USB, I/O chipset. Communication consists of handset components, broadband, WLAN, bluetooth, Ethernet, LAN, DSP, etc. Consumer consists of ICs used for DVD players, DTV, STB, MP3/MP4, flash controller, game consoles, DSC, smart cards, toys, etc.

Blended ASP Trend for Foundry Segment

Blended average selling price (ASP) remained unchanged in 4Q17.

(To view ASP trend, visit http://www.umc.com/english/investors/4Q17_ASP_trend.asp)

Shipment and Utilization Rate³ for Foundry Segment

Wafer Shipments
		4Q17		3Q17		2Q17		1Q17		4Q16
Wafer Shipments (8” K equivalents)		1,670		1,748		1,741		1,678		1,656
Quarterly Capacity Utilization Rate
		4Q17		3Q17		2Q17		1Q17		4Q16
Utilization Rate		90%		96%		96%		96%		94%
Total Capacity (8” K equivalents)		1,886		1,861		1,816		1,742		1,794

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