During 4Q17, wafer shipments decreased 4.5% to 1,670K. Capacity increased by 1.3% QoQ to 1,886K, resulting in an overall utilization rate of 90% in 4Q17.

Capacity⁴ for Foundry Segment

Total capacity in the fourth quarter was 1,886K 8-inch equivalent wafers. We expect that first quarter capacity will decline to 1,858K 8-inch equivalent wafers, mainly due to fewer working days and tool maintenance.

Annual Capacity in thousands of wafers															Quarterly Capacity in thousands of wafers
FAB				Geometry (um)		2017		2016		2015		2014			FAB		1Q18E		4Q17		3Q17		2Q17
WTK		6"		3.5 – 0.45		422		423		421		448			WTK		104		106		106		106
Fab 8A		8"		0.5 – 0.25		825		827		813		813			Fab 8A		204		207		207		207
Fab 8C		8"		0.35 – 0.11		357		348		347		347			Fab 8C		91		92		92		87
Fab 8D		8"		0.13 – 0.09		341		342		341		358			Fab 8D		85		86		86		86
Fab 8E		8"		0.5 – 0.18		418		419		418		418			Fab 8E		103		105		105		105
Fab 8F		8"		0.18 – 0.11		417		401		388		388			Fab 8F		107		108		107		102
Fab 8S		8"		0.18 – 0.11		347		336		335		335			Fab 8S		92		93		87		84
Fab 8N		8"		0.5 – 0.11		753		750		667		547			Fab 8N		190		194		188		188
Fab 12A		12"		0.13 – 0.014		970		885		793		700			Fab 12A		246		250		247		247
Fab 12i		12"		0.13 – 0.040		537		584		572		573			Fab 12i		131		134		134		134
Fab 12X		12"		0.040 – 0.028		97		9		-		-			Fab 12X		35		35		33		19
Total (1)						7,304		6,983		6,617		6,323			Total		1,858		1,886		1,861		1,816
YoY Growth Rate						5%		6%		5%		4%

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