Mar 2026 Revenue: NT$19.3B, +6.3% YoY

Original: 2303 2026年3月月營收

Summary

UMC reported March 2026 revenue of NT$19.35B, up 6.33% YoY but down 7.27% MoM. The modest YoY growth alongside sequential softness suggests mature-node foundry demand remains steady but lacks the AI/HBM tailwind benefiting leading-edge peers.

Historical Impact

10 past Monthly Revenue · ≈ 8-K events at UMC

Median +5d

+1.78%

Range

-2.99% to +27.14%

Positive outcomes

7/10

Filed	P₀	P₊₅	+5d
Jun 17, 2026	NT$140	NT$178	+27.14%
May 17, 2026	NT$111	NT$125	+12.61%

Full Translation

UMC (2303) March 2026 monthly revenue: NT$19,345 million (NT$19.35B), representing a YoY increase of +6.33% versus March 2025 and a MoM decrease of -7.27% versus February 2026. The sequential pullback reflects typical post-quarter-end seasonality at mature-node foundries, while the positive YoY comparison points to a gradual recovery in 28nm/22nm utilization. YTD cumulative revenue and prior-period comparison figures were not included in this disclosure.