Micron Signs Letter of Intent to Purchase Tongluo Site, Begin Strategic Partnership with PSMC 

Micron (Nasdaq: MU) signed an exclusive Letter of Intent to acquire Powerchip Semiconductor Manufacturing Corporation's P5 Tongluo fabrication site in Miaoli County, Taiwan, for US$1.8 billion.

Rhea-AI Summary

Micron (Nasdaq: MU) signed an exclusive Letter of Intent to acquire Powerchip Semiconductor Manufacturing Corporation's P5 Tongluo fabrication site in Miaoli County, Taiwan, for US$1.8 billion. The deal includes an existing 300mm cleanroom of 300,000 square feet and aims to create a long-term partnership with PSMC for post-wafer assembly and support of PSMC's legacy DRAM portfolio. Micron expects to assume ownership after closing, equip the site, and ramp DRAM production in phases with meaningful wafer output beginning in H2 2027. The transaction is expected to close by calendar Q2 2026, subject to final agreements and regulatory approvals, and is intended to expand Micron's Taiwan capacity and operational synergies with its Taichung site.

Positive

• Acquisition price of US$1.8 billion secures existing fabrication capacity
• Adds 300,000 sq ft of 300mm cleanroom space for memory production
• Projected meaningful DRAM wafer output beginning H2 2027
• Expected synergies due to proximity to Micron's Taichung site

Negative

• Transaction contingent on regulatory approvals and final agreements by Q2 2026
• Micron must invest additional capital/time to equip and ramp the P5 site in phases
• PSMC relocation of Tongluo operations introduces a phased transition risk

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Details

News Market Reaction – MU

The recorded move for MU in the trading session of this news was +0.62%.

Data tracked by StockTitan Argus. Session date unavailable.

Market Context

This announcement outlines Micron’s plan to acquire PSMC’s Tongluo P5 fab for US$1.8 billion, adding...

Analysis

This announcement outlines Micron’s plan to acquire PSMC’s Tongluo P5 fab for US$1.8 billion, adding 300,000 square feet of 300mm cleanroom capacity and targeting meaningful DRAM output from the second half of 2027. It complements earlier expansion moves such as the planned $100 billion New York megafab and follows record Q1 FY26 financial results. Investors may watch closing progress by calendar Q2 2026, ramp timelines, and integration with existing Taiwan operations.

Key Figures

Purchase price: US$1.8 billion Cleanroom area: 300,000 square feet Wafer size: 300mm +5 more

Purchase price

US$1.8 billion

Total cash consideration for PSMC P5 Tongluo site acquisition

Cleanroom area

300,000 square feet

Existing 300mm fab cleanroom space at Tongluo site

Wafer size

300mm

Fab wafer diameter at the P5 Tongluo fabrication site

Expected close

Calendar Q2 2026

Anticipated closing period for Tongluo site transaction

DRAM output timing

Second half of calendar 2027

Expected start of meaningful DRAM wafer output from Tongluo

Price move pre-news

7.76%

24h price change before publication, with shares at $362.75

52-week range

$61.54 – $365.81

Current price is 0.84% below the 52-week high

Market cap

$378,880,182,530

Equity value prior to the Tongluo acquisition announcement

Historical Context

5 past events · Latest: Jan 13

5 events

1. Jan 13

   Management / personnel

   24h Move

   -2.2%

   Promotion of a Bertram Capital partner with prior Micron experience.

2. Jan 07

   Capacity expansion

   24h Move

   -1.1%

   Announcement of a $100B New York megafab to boost U.S. memory output.

3. Dec 17

   Earnings results

   24h Move

   -3.0%

   Record Q1 FY26 revenue and earnings with strong guidance and cash flow.

4. Dec 03

   Portfolio shift

   24h Move

   -2.2%

   Exit from Crucial consumer business to focus on enterprise and commercial.

5. Nov 19

   Earnings date notice

   24h Move

   -1.1%

   Scheduling and webcast details for upcoming fiscal Q1 earnings call.

24h Move is the share-price change in the day after each event; other market factors may also have contributed.

Key Terms

letter of intent, loi, cleanroom, 300mm fab, +3 more

7 terms

letter of intent financial

"announced it has signed an exclusive Letter of Intent (LOI) to acquire"

A letter of intent is a document that shows an agreement in principle between parties to work towards a future deal or transaction. It outlines their intentions and key terms, acting like a roadmap before a formal contract is signed. For investors, it signals serious interest and helps clarify expectations early in the process.

loi financial

"announced it has signed an exclusive Letter of Intent (LOI) to acquire"

A letter of intent (LOI) is a short, nonbinding written note that outlines the basic terms two parties expect to follow when pursuing a deal such as an acquisition, partnership, or major contract. Like a handshake that records the main points before lawyers write the formal agreement, an LOI signals deal intent, timelines and key conditions — information investors use to gauge potential changes to a company’s value, while remembering the agreement can still change.

cleanroom technical

"Acquisition to add 300,000 square feet of memory cleanroom space"

A cleanroom is a tightly controlled workspace where air, particles, microbes, temperature and humidity are kept within strict limits to prevent contamination during manufacturing, testing or research—commonly used for pharmaceuticals, biotech, medical devices and semiconductors. Investors care because a well-designed and operated cleanroom reduces product defects, supports regulatory approval and enables reliable scale-up; think of it as a sterile kitchen that protects delicate recipes, lowering recall risk and helping preserve revenue and margins.

300mm fab technical

"The acquisition includes an existing 300mm fab cleanroom of 300,000 square feet"

A 300mm fab is a semiconductor manufacturing plant that produces chips on larger, 300-millimeter diameter silicon wafers instead of smaller ones. Larger wafers are like using bigger cookie sheets to bake more cookies at once: they typically lower the cost per chip and increase output, so investors watch 300mm fabs as a sign of greater production capacity, potential profitability, and competitive advantage in the chip supply chain.

dram technical

"ramp up DRAM production in phases, with PSMC relocating"

A dram is a small, traditional unit used to measure either mass or liquid volume in manufacturing and pharmaceuticals — roughly 1.77 grams for a weight dram or about 3.7 milliliters for a fluid dram, similar to a small teaspoon or a couple of drops. Investors care because dram-based measurements affect drug dosing, packaging sizes, labeling compliance and raw-material usage, which in turn influence production costs, inventory counts and regulatory risk.

post-wafer assembly processing technical

"relationship between Micron and PSMC for Micron’s post-wafer assembly processing"

Post-wafer assembly processing is the set of steps that turn finished silicon wafers into individual, usable electronic chips — including cutting the wafer into chips, mounting each chip in a protective package, adding connections, and testing for defects. For investors it matters because this stage affects product yield, quality, manufacturing cost and delivery speed, much like final assembly and quality checks determine the value and reliability of a finished car.

fab technical

"The Tongluo fab’s close proximity to Micron’s Taichung site"

A fab is a factory where semiconductor chips are produced, using precise equipment and clean-room processes to turn chip designs into physical silicon wafers—think of it as a highly specialized bakery that turns recipes into batches of products. For investors it matters because a company’s fab capacity, technology and uptime determine how many chips it can sell, the unit cost and margins, and exposure to supply bottlenecks and large capital spending needs.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Acquisition to add 300,000 square feet of memory cleanroom space

BOISE, Idaho, Jan. 17, 2026 (GLOBE NEWSWIRE) -- Micron Technology, Inc. (Nasdaq: MU) today announced it has signed an exclusive Letter of Intent (LOI) to acquire Powerchip Semiconductor Manufacturing Corporation’s (PSMC) P5 fabrication site in Tongluo, Miaoli County, Taiwan, for total cash consideration of US$1.8 billion. The acquisition includes an existing 300mm fab cleanroom of 300,000 square feet and will further position Micron to address growing global demand for memory solutions. The LOI also aims to establish a long-term relationship between Micron and PSMC for Micron’s post-wafer assembly processing and to support PSMC in its legacy DRAM portfolio.

“This strategic acquisition of an existing cleanroom complements our current Taiwan operations and will enable Micron to increase production and better serve our customers in a market where demand continues to outpace supply,” said Manish Bhatia, executive vice president of global operations at Micron Technology. “The Tongluo fab’s close proximity to Micron’s Taichung site will enable synergies across our Taiwan operations.”

The transaction is anticipated to close by calendar Q2 2026, following the closure of deal agreements and the required regulatory approvals. Upon closing the transaction, Micron will assume ownership and control of the P5 site to equip and ramp up DRAM production in phases, with PSMC relocating its Tongluo operations over a specific time. Micron expects this acquisition to contribute to meaningful DRAM wafer output beginning in the second half of calendar 2027.

This acquisition complements Micron’s ongoing global expansion plans as the company invests to meet long-term demand from its customers.

About Micron Technology, Inc. 

Micron Technology, Inc. is an industry leader in innovative memory and storage solutions transforming how the world uses information to enrich life for all. With a relentless focus on our customers, technology leadership, and manufacturing and operational excellence, Micron delivers a rich portfolio of high-performance DRAM, NAND, and NOR memory and storage products. Every day, the innovations that our people create fuel the data economy, enabling advances in artificial intelligence (AI) and compute-intensive applications that unleash opportunities — from the data center to the intelligent edge and across the client and mobile user experience. To learn more about Micron Technology, Inc. (Nasdaq: MU), visit micron.com.

© 2026 Micron Technology, Inc. All rights reserved. Information, products, and/or specifications are subject to change without notice. Micron, the Micron logo, and all other Micron trademarks are the property of Micron Technology, Inc. All other trademarks are the property of their respective owners.  

Micron Media Relations Contact
Mark Plungy
+1 (408) 203-2910
corpcomms@micron.com

Micron Investor Relations Contact
Satya Kumar
+1 (408) 450-6199
satyakumar@micron.com

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What is Micron (MU) buying in the Tongluo deal and for how much?

Micron signed an LOI to acquire PSMC's P5 Tongluo fab, including a 300,000 sq ft 300mm cleanroom, for US$1.8 billion.

When is the Micron (MU) Tongluo acquisition expected to close?

The transaction is anticipated to close by calendar Q2 2026, subject to final agreements and regulatory approvals.

How soon will the Tongluo site contribute to Micron's DRAM production (MU)?

Micron expects the acquisition to contribute to meaningful DRAM wafer output beginning in the second half of calendar 2027.

Will Micron (MU) operate the Tongluo fab immediately after closing?

Upon closing, Micron will assume ownership and control and will equip and ramp the site in phases, while PSMC relocates operations over a specific timeframe.

Does the Tongluo acquisition create operational synergies for Micron (MU)?

Yes; the Tongluo fab's close proximity to Micron's Taichung site is expected to enable operational synergies across Taiwan operations.