# About UCT

Ultra Clean Holdings, Inc. is a leading developer and supplier of critical subsystems, components, parts, and ultra-high purity cleaning and analytical services, primarily for the semiconductor industry. Under its Products division, UCT offers its customers an integrated outsourced solution for major subassemblies, improved design-to-delivery cycle times, design for manufacturability, prototyping, and high-precision manufacturing. Under its Services Division, UCT offers its customers tool chamber parts cleaning and coating, as well as micro-contamination analytical services. Ultra Clean is headquartered in Hayward, California.

### UCT Vision

To accelerate AI innovation with our customers — transforming concepts into global production delivered with speed, agility and trust.

### UCT Mission

To be the most trusted strategic partner in the semiconductor and adjacent ecosystem.

We co-innovate early and deliver winning solutions quickly by leveraging our global talent and footprint.

We help customers create and scale technologies that shape the future.

## UCT Values

### Customer First

Think like a Customer. Act like a Partner. Deliver what Matters.

Every idea, action, and innovation begins and ends with customer value.

### Respect & Transparency

Be Genuine. Build Together. Share Openly.

We show respect and belonging by listening, working together, and uplifting others.

### Speed & Agility

Move Fast. Stay Flexible. Deliver with Purpose.

We act with intent, adapt to change, and make things happen.

### Ownership & Urgency

Bring Solutions. Never Settle. Be Accountable.

We raise the bar every day -- for ourselves, for our teams, and for our customers.