UMC Reports Fourth Quarter 2018 Results

3 Utilization Rate = Quarterly Wafer Out / Quarterly Capacity

Capacity4 for Foundry Segment

Total capacity in the fourth quarter totaled 1,958K 8-inch equivalent wafers. We expect first quarter capacity to decline by approximately 1.1% QoQ to 1,937K 8-inch equivalent wafers, primarily due to fewer working days and tool maintenance.

     

Annual Capacity in
thousands of wafers

Quarterly Capacity in
thousands of wafers

FAB   Geometry
(um)
  2018   2017   2016   2015 FAB   1Q19E   4Q18   3Q18   2Q18
WTK   6"   3.5 – 0.45   396   422   423   421 WTK   91   93   93   106
Fab 8A   8"   0.5 – 0.25   825   825   827   813 Fab 8A   204   207   207   207
Fab 8C   8"   0.35 – 0.11   383   357   348   347 Fab 8C   106   108   92   92
Fab 8D   8"   0.13 – 0.09   347   341   342   341 Fab 8D   89   90   86   86
Fab 8E   8"   0.5 – 0.18   418   418   419   418 Fab 8E   103   105   105   105
Fab 8F   8"   0.18 – 0.11   431   417   401   388 Fab 8F   107   108   108   108
Fab 8S   8"   0.18 – 0.11   372   347   336   335 Fab 8S   92   93   93   93
HJ   8"   0.5 – 0.11   771   753   750   667 HJ   201   194   194   194
Fab 12A   12"   0.13 – 0.014   997   970   885   793 Fab 12A   246   250   250   250
Fab 12i   12"   0.13 – 0.040   555   537   584   572 Fab 12i   141   144   144   136
USCXM   12"   0.040 – 0.028   183   97   9   - USCXM   50   51   51   46
Total (1)   7,673   7,304   6,983   6,617 Total   1,937   1,958   1,938   1,918
YoY Growth Rate   5%   5%   6%   5%        

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