Amkor Technology to Acquire NANIUM

• Strategic acquisition strengthens Amkor’s leading position in Wafer-Level Packaging

• Enables manufacturing scale for the market’s “best-in-class” Wafer-Level Fan-Out solution

TEMPE, Ariz. and VILA DO CONDE, Porto, Portugal, February 2, 2017 – Amkor Technology, Inc. (Nasdaq: AMKR) and NANIUM S.A. today announced that they have entered into a definitive agreement for Amkor to acquire NANIUM, a world class provider of wafer-level fan-out (WLFO) semiconductor packaging solutions. Terms of the transaction were not disclosed.

The acquisition of NANIUM will strengthen Amkor’s position in the fast growing market of wafer-level packaging for smartphones, tablets and other applications. NANIUM has developed a high-yielding, reliable WLFO technology, and has successfully ramped that technology to high volume production.  NANIUM has shipped nearly one billion WLFO packages to date utilizing a state-of-the-art 300mm Wafer-Level Packaging (WLP) production line.

“This strategic acquisition will enhance Amkor’s position as one of the leading providers of WLP and WLFO packaging solutions,” said Steve Kelley, Amkor’s president and chief executive officer. “Building on NANIUM’s proven technologies, we can expand the manufacturing scale and broaden the customer base for this technology.”

“The Amkor transaction is a great fit for us and provides NANIUM and its employees with a strong platform for future growth,” said Armando Tavares, President of NANIUM’s Executive Board. “Amkor’s technology leadership, substantial resources and global presence coupled with NANIUM’s best-in-class WLFO packaging solutions will accelerate global acceptance and growth of this technology worldwide.”

NANIUM is based in Porto, Portugal, employs approximately 550 people and had annual sales of approximately $40 million for their fiscal year ended September 30, 2016. The transaction is expected to close in the first quarter of 2017, subject to customary closing conditions and regulatory approvals.

About Amkor Technology

Amkor Technology, Inc. is one of the world’s largest providers of outsourced semiconductor packaging and test services. Founded in 1968, Amkor pioneered the outsourcing of IC packaging and test, and is now a strategic manufacturing partner for more than 250 of the world’s leading semiconductor companies, foundries and electronics OEMs. Amkor’s operational base includes 10 million square feet of floor space with production facilities, product development centers, and sales and support offices located in key electronics manufacturing regions in Asia, Europe and the U.S. For more information, visit www.amkor.com.

About NANIUM

NANIUM S.A. is a world-class provider of semiconductor assembly, packaging, test, engineering and manufacturing services. The company started as Siemens Semiconductors back in 1996 and nowadays is a leader in 300mm Wafer-Level Packaging , both Fan-In/WLCSP and Fan-Out/WLFO. NANIUM offers in-house capabilities for the entire development chain, from design to multiple Wafer-Level Packaging technologies, and the flexibility to tailor and test solutions that respond to the most demanding customer requirements. The company is based near Porto, Portugal, and has offices in Dresden, Germany and Boston, USA.