UMC Reports Fourth Quarter 2013 Results

Blended ASP Trend for Foundry Segment

Blended average selling price (ASP) during 4Q13 decreased slightly.
(To view ASP trend, visit http://www.umc.com/english/investors/4Q13_ASP_trend.asp)

Shipment and Utilization Rate[4] for Foundry Segment

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

Wafer shipments decreased 7% sequentially to 1,236K in 4Q13, compared to 1,329K 8-inch equivalent wafers in 3Q13. The drop in wafer shipments and the rise in total capacity resulted in an overall utilization rate of 79% for the quarter.

Wafer Shipments
	4Q13	3Q13	2Q13	1Q13	4Q12
Wafer Shipments (8" K equivalents)	1,236	1,329	1,307	1,125	1,069

4Q12 figures account for UMC parent company only.

Quarterly Capacity Utilization Rate
	4Q13	3Q13	2Q13	1Q13	4Q12
Utilization Rate	79%	87%	85%	78%	80%
Total Capacity (8" K equivalents)	1,560	1,548	1,537	1,461	1,401

4Q12 figures account for UMC parent company only.

Capacity[5] for Foundry Segment

[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.

Capacity during the fourth quarter was 1,560K 8-inch equivalent wafers. The incremental increase in capacity was due to the expansion at Fab12i. The estimated installed capacity for the first quarter of 2014 will be 1,563K 8-inch equivalent wafers due to the capacity expansion on advanced nodes at Fab12A.

Annual Capacity in *thousands of wafers*							Quarterly Capacity in *thousands of wafers*
FAB		Geometry (um)	2013	2012	2011	2010	FAB	1Q14E	4Q13	3Q13	2Q13
Fab6A	6"	3.5 – 0.45	448	481	538	588	Fab6A	111	113	113	113
Fab8A	8"	0.5 – 0.25	813	815	813	816	Fab8A	201	204	204	204
Fab8C	8"	0.35 – 0.11	347	360	359	366	Fab8C	86	87	87	87
Fab8D	8"	0.13 – 0.09	382	371	364	314	Fab8D	94	96	96	96
Fab8E	8"	0.5 – 0.18	418	449	469	410	Fab8E	103	105	105	105
Fab8F	8"	0.18 – 0.11	388	389	388	388	Fab8F	96	98	98	98
Fab8S	8"	0.18 – 0.11	335	348	307	304	Fab8S	83	84	84	84
Fab8N	8"	0.5 – 0.13	469	-	-	-	Fab8N	126	128	128	128
Fab12A	12"	0.18 – 0.028	651	579	501	374	Fab12A	171	164	164	164
Fab12i	12"	0.13 – 0.040	550	537	530	454	Fab12i	145	145	139	134
Total ⁽¹⁾			6,107	5,514	5,322	4,791	Total	1,563	1,560	1,548	1,537
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 ² /8 ² ) 8-inch equivalent wafer; one 12-inch wafer is converted into 2.25(12 ² /8 ² ) 8-inch equivalent wafers. Capacity total figures are expressed in 8-inch equivalent wafers.

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