UMC Reports Third Quarter 2018 Results

Capacity⁴ for Foundry Segment

Total capacity in the third quarter reached 1,938K 8-inch equivalent wafers. We anticipate our fourth quarter capacity to grow by approximately 1% QoQ to 1,958K 8-inch equivalent wafers, which included capacity expansion at Fab 8C and Fab 8D.


Annual Capacity in thousands of wafers							Quarterly Capacity in thousands of wafers
FAB		Geometry (um)	2017	2016	2015	2014	FAB	4Q18E	3Q18	2Q18	1Q18
WTK	6"	3.5 – 0.45	422	423	421	448	WTK	93	93	106	104
Fab 8A	8"	0.5 – 0.25	825	827	813	813	Fab 8A	207	207	207	204
Fab 8C	8"	0.35 – 0.11	357	348	347	347	Fab 8C	108	92	92	91
Fab 8D	8"	0.13 – 0.09	341	342	341	358	Fab 8D	90	86	86	85
Fab 8E	8"	0.5 – 0.18	418	419	418	418	Fab 8E	105	105	105	103
Fab 8F	8"	0.18 – 0.11	417	401	388	388	Fab 8F	108	108	108	107
Fab 8S	8"	0.18 – 0.11	347	336	335	335	Fab 8S	93	93	93	92
HJ	8"	0.5 – 0.11	753	750	667	547	HJ	194	194	194	190
Fab 12A	12"	0.13 – 0.014	970	885	793	700	Fab 12A	250	250	250	246
Fab 12i	12"	0.13 – 0.040	537	584	572	573	Fab 12i	144	144	136	131
USCXM	12"	0.040 – 0.028	97	9	-	-	USCXM	51	51	46	35
Total ⁽¹⁾			7,304	6,983	6,617	6,323	Total	1,958	1,938	1,918	1,858
YoY Growth Rate			5%	6%	5%	4%

⁽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.

⁴ 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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