Blended ASP Trend for Foundry Segment

Blended average selling price (ASP) in 3Q18 increased marginally.

(To view ASP trend, visit http://www.umc.com/english/investors/3Q18_ASP_trend.asp)

Shipment and Utilization Rate³ for Foundry Segment

In 3Q18, wafer shipments declined 2.3% to 1,804K. Quarterly capacity increased 1.0% QoQ to 1,938K, resulting in an overall utilization rate of 94%.

Wafer Shipments
				3Q18		2Q18		1Q18		4Q17		3Q17
Wafer Shipments (8” K equivalents)				1,804		1,846		1,747		1,670		1,748
Quarterly Capacity Utilization Rate
				3Q18		2Q18		1Q18		4Q17		3Q17
Utilization Rate				94%		97%		94%		90%		96%
Total Capacity (8” K equivalents)				1,938		1,918		1,858		1,886		1,861

3 Utilization Rate = Quarterly Wafer Out / Quarterly Capacity

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