Kioxia and Western Digital’s Joint Venture To Receive Up To 92.9 Billion Yen Government Subsidy for Yokkaichi Fab 7

TOKYO & SAN JOSE, Calif. - July 26, 2022

Kioxia Corporation and Western Digital Corporation (NASDAQ: WDC) announced today that their joint venture Fab7 manufacturing facility at Yokkaichi Plant has been approved to receive up to 92.9 billion yen subsidy from the Japanese government. The subsidy will be granted under a designated government program aimed at facilitating corporate investment in cutting-edge semiconductor production facilities and securing stable production of semiconductors in Japan.

Leveraging their 20-year joint venture partnership, Kioxia and Western Digital will continue to accelerate the development and production of cutting-edge flash memory at the Yokkaichi Plant, the largest semiconductor plant in Japan. In addition, the two companies will contribute to the development of semiconductor-related industries and talent.

"We appreciate the support of the Japanese government and will continue to produce cutting-edge flash memory which is indispensable for a digital society where cloud services, 5G communications, IoT, AI and automated driving are expanding. We are committed to further advancing the semiconductor industry and contributing to the development of the domestic and global economies," said Nobuo Hayasaka, President and CEO of Kioxia.

David Goeckeler, CEO of Western Digital said "We are pleased that the Japanese government recognizes the importance of memory and data storage technologies as they remain critical innovations in the semiconductor industry. We look forward to continuing to drive long-term success together with our strategic partner, Kioxia."

With construction of the first phase of Fab7 completed, the joint-venture manufacturing facility will enable initial production output in the fall of 2022. This facility will produce 3D flash memory including 112- and 162-layer and future nodes.

About Kioxia
Kioxia is a world leader in memory solutions, dedicated to the development, production and sale of flash memory and solid-state drives (SSDs). In April 2017, its predecessor Toshiba Memory was spun off from Toshiba Corporation, the company that invented NAND flash memory in 1987. Kioxia is committed to uplifting the world with memory by offering products, services and systems that create choice for customers and memory-based value for society. Kioxia's innovative 3D flash memory technology, BiCS FLASH™, is shaping the future of storage in high-density applications, including advanced smartphones, PCs, SSDs, automotive and data centers.

About Western Digital
Western Digital is on a mission to unlock the potential of data by harnessing the possibility to use it. With Flash and HDD franchises, underpinned by advancements in memory technologies, we create breakthrough innovations and powerful data storage solutions that enable the world to actualize its aspirations. Core to our values, we recognize the urgency to combat climate change and have committed to ambitious carbon reduction goals approved by the Science Based Targets initiative. Learn more about Western Digital and the Western Digital®, SanDisk® and WD® brands at www.westerndigital.com.

© 2022 Western Digital Corporation or its affiliates. All rights reserved.

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