UMC Officially Announces Global Wafer Price Adjustments, Effective July 1, 2026

Hsinchu, Taiwan – April 18, 2026 – United Microelectronics Corporation (UMC, NYSE: UMC), a leading global semiconductor foundry specializing in mature process technologies, has officially notified its customers of a planned price increase for wafer fabrication services, set to take effect in the second half of 2026. The adjustment, confirmed in a formal letter dated April 16, 2026, underscores the tightening supply-demand dynamics and escalating operational costs within the global semiconductor ecosystem.

Official Price Adjustment Details

The price revision will be implemented starting July 1, 2026, and will apply to new orders and shipments scheduled for the second half of the year. The exact percentage increase varies by product and technology node:

• 8-inch wafers: A price hike of 10% to 15%.
• 12-inch wafers (mature nodes): An increase of 5% to 10%.UMC emphasized that the final pricing will be determined on a case-by-case basis, considering factors such as product portfolio strategy, existing capacity agreements, and long-term partnership commitments.

Key Drivers Behind the Price Hike

In the official customer notification, UMC cited a confluence of industry-wide pressures that necessitated the adjustment:

1. Surging Global Demand: Strong and resilient demand persists across key end-markets, including communications, industrial automation, consumer electronics, and AI-related applications. This has driven UMC’s fab capacity utilization to near-full levels, creating a persistently tight supply environment.
2. Escalating Operational Costs: The foundry is facing significant cost inflation for critical inputs, including raw materials (silicon wafers, photoresists, and specialty gases), energy, and global logistics. These increased costs are essential to maintain operational excellence and supply chain stability.
3. Strategic Investment Requirements: To meet the sustained demand, UMC is accelerating investments in technology upgrades and capacity expansion. The price adjustment helps fund these capital expenditures to ensure a reliable, high-quality supply for its customers.

Industry-Wide Trend: The Mature Process Shortage

UMC’s decision aligns with a broader trend in the semiconductor manufacturing sector. Other major foundries, including World Advanced and Powerchip Semiconductor Manufacturing (PSMC), have either already implemented or announced similar price increases for 2026. This wave of adjustments reflects a fundamental shift: the global supply of mature semiconductor processes (primarily 8-inch and older 12-inch nodes) has become structurally constrained, a situation exacerbated by major chipmakers reallocating capacity to advanced, high-margin nodes.This shortage directly impacts a vast array of essential electronic components, including power management ICs (PMICs), microcontrollers (MCUs), analog ICs, and discrete semiconductors—components fundamental to automotive, industrial, and consumer electronics.

Market Impact and Strategic Advice for Buyers

The UMC price adjustment is expected to have a ripple effect throughout the entire electronics supply chain. OEMs and manufacturers relying on chips produced on UMC’s mature nodes will face increased material costs, which may eventually be passed on to end consumers.For electronic component buyers and procurement teams, the current market signals a critical need for strategic sourcing and proactive inventory management. With lead times extending and prices on an upward trajectory, securing long-term supply agreements and forecasting requirements accurately have become paramount to mitigating supply chain risks.

About UMC

United Microelectronics Corporation (UMC) is a leading global semiconductor foundry headquartered in Hsinchu, Taiwan. It provides high-quality CMOS logic, mixed-signal, RF, and High-Voltage process technologies, catering to a wide range of applications. UMC operates 12 fabs across Asia, with a strong focus on mature and specialty process technologies that serve the majority of the world’s chip demand.

Disclaimer: The information in this article is based on UMC’s official customer notification and statements from industry analysts. For specific pricing and order details, customers are advised to contact their UMC account representatives directly.