Western Digital Sets October 25 for Q1 Fiscal 2019 Financial Results Conference Call/Webcast

San Jose, CA - September 27, 2018

Western Digital Corp. (NASDAQ: WDC) today announced that the company plans to release its financial results for the first fiscal quarter ending September 28, 2018, after the close of the market on Thursday, October 25, 2018. The investment community conference call to discuss these results will be broadcast live online that day at 2:30 p.m. Pacific / 5:30 p.m. Eastern. The live and archived conference call/webcast can be accessed at investor.wdc.com. The telephone replay number in the U.S. is 1(855) 859-2056 or +1(404) 537-3406 for international callers. The required conference ID is 7955737.

About Western Digital

Western Digital creates environments for data to thrive. The company is driving the innovation needed to help customers capture, preserve, access and transform an ever-increasing diversity of data. Everywhere data lives, from advanced data centers to mobile sensors to personal devices, our industry-leading solutions deliver the possibilities of data. Western Digital® data-centric solutions are marketed under the G-Technology™, HGST, SanDisk®, Tegile™, Upthere™ and WD® brands. Financial and investor information is available on the company's Investor Relations website at investor.wdc.com.

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Western Digital, the Western Digital logo, G-Technology, SanDisk, Tegile, Upthere and WD are registered trademarks or trademarks of Western Digital Corporation or its affiliates in the U.S. and/or other countries. Other trademarks, registered trademarks, and/or service marks, indicated or otherwise, are the property of their respective owners.

Press Contacts

Corporate Media Inquiries

WD.Mediainquiries@wdc.com

Product Media Inquiries

WD.Productmediainquiries@wdc.com

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