UMC Reports Third Quarter 2015 Results

28nm revenue contribution stayed flat, accounting for 10% of revenue in 3Q15. 40nm revenue represented 25% of sales.

Revenue Breakdown by Customer Type
Customer Type	3Q15	2Q15	1Q15	4Q14	3Q14
Fabless	88%	89%	90%	90%	91%
IDM	12%	11%	10%	10%	9%

Revenue from fabless customers decreased to 88%.

Revenue Breakdown by Application ⁽¹⁾
Application	3Q15	2Q15	1Q15	4Q14	3Q14
Computer	11%	12%	13%	14%	15%
Communication	55%	55%	56%	54%	54%
Consumer	27%	28%	26%	28%	28%
Others	7%	5%	5%	4%	3%

Communication business continued to account for 55% of sales in 3Q15. Revenue contribution from the consumer and computer applications decreased by 1% each, to 27% and 11% of sales respectively.

(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) decreased slightly in 3Q15

(To view ASP trend, visit http://www.umc.com/english/investors/3Q15_ASP_trend.asp)

Shipment and Utilization Rate[3] for Foundry Segment

Wafer Shipments
	3Q15	2Q15	1Q15	4Q14	3Q14
Wafer Shipments (8" K equivalents)	1,467	1,536	1,481	1,431	1,462

Quarterly Capacity Utilization Rate
	3Q15	2Q15	1Q15	4Q14	3Q14
Utilization Rate	89%	94%	93%	93%	93%
Total Capacity (8" K equivalents)	1,685	1,659	1,583	1,577	1,586

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