UMC Reports First Quarter 2014 Results

Blended ASP Trend for Foundry Segment

Blended average selling price (ASP) during 1Q14 decreased slightly
(To view ASP trend, visit http://www.umc.com/english/investors/1Q14_ASP_trend.asp )

Shipment and Utilization Rate[4] for Foundry Segment

Wafer shipments increased 1.8% sequentially to 1,258K in 1Q14, compared to 1,236K 8-inch equivalent wafers in 4Q13. Overall utilization rate improved to 81%.

Wafer Shipments
	1Q14	4Q13	3Q13	2Q13	1Q13
Wafer Shipments (8" K equivalents)	1,258	1,236	1,329	1,307	1,125

Quarterly Capacity Utilization Rate
	1Q14	4Q13	3Q13	2Q13	1Q13
Utilization Rate	81%	79%	87%	85%	78%
Total Capacity (8" K equivalents)	1,563	1,560	1,548	1,537	1,461

[4] Utilization Rate = Quarterly Wafer Out / Quarterly Capacity

Capacity[5] for Foundry Segment

Capacity during the first quarter was 1,563K 8-inch equivalent wafers. The incremental increase in capacity was due to the advance node capacity expansion at Fab 12A. The estimated installed capacity for the second quarter of 2014 will be 1,597K 8-inch equivalent wafers, due to the capacity expansion mainly from Fab 8N and advanced node expansion at 12" facilities.

Annual Capacity in *thousands of wafers*							Quarterly Capacity in *thousands of wafers*
FAB		Geometry (um)	2013	2012	2011	2010	FAB	2Q14E	1Q14	4Q13	3Q13
Fab6A	6"	3.5 - 0.45	448	481	538	588	Fab6A	113	111	113	113
Fab8A	8"	0.5 - 0.25	813	815	813	816	Fab8A	204	201	204	204
Fab8C	8"	0.35 - 0.11	347	360	359	366	Fab8C	87	86	87	87
Fab8D	8"	0.13 - 0.09	382	371	364	314	Fab8D	93	94	96	96
Fab8E	8"	0.5 - 0.18	418	449	469	410	Fab8E	105	103	105	105
Fab8F	8"	0.18 - 0.11	388	389	388	388	Fab8F	98	96	98	98
Fab8S	8"	0.18 - 0.11	335	348	307	304	Fab8S	84	83	84	84
Fab8N	8"	0.5 - 0.13	469	-	-	-	Fab8N	140	126	128	128
Fab12A	12"	0.18 - 0.028	651	579	501	374	Fab12A	174	171	164	164
Fab12i	12"	0.13 - 0.040	550	537	530	454	Fab12i	147	145	145	139
Total ⁽¹⁾			6,107	5,514	5,322	4,791	Total	1,597	1,563	1,560	1,548
YoY Growth Rate			11%	4%	11%	4%
2010~2012 figures account for UMC parent company only.
⁽¹⁾ One 6-inch wafer is converted into 0.5625(6 sq./8 sq.) 8-inch equivalent wafer; one 12-inch wafer is converted into 2.25(12 sq./8 sq.) 8-inch equivalent wafers. Capacity total figures are expressed in 8-inch equivalent wafers.

[5] Estimated capacity numbers are based on calculated maximum output rather than designed capacity. The actual capacity numbers may differ depending upon equipment delivery schedules, pace of migration to more advanced process technologies, and other factors affecting production ramp-up.

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