Capital Allocation Framework

10 WESTERN DIGITAL CONFIDENTIAL Capital Expenditure Framework 1. 2. 3. Cash Capital Expenditures (¹) Flash Ventures Capital Expenditures Gross Capital Expenditures 1 2 Flash HDD CapEx Non-Fab CapEx 3 Flash Ventures Parent Loans (2) 3 Flash Ventures Parent Loans (2)+ 2 3 HDD CapEx + Flash Non-Fab CapEx Flash Ventures + Parent Loans (2) Cash Capital Expenditures includes purchases of property, plant and equipment, net, and notes receivable issuances to Flash Ventures, net. Flash Ventures Parent Loans, Flash Ventures Lease Financing, and Flash Ventures Net Operating Cash Flow are comprised only of Western Digital's portions. Flash Ventures Net Operating Cash Flow is primarily generated from equipment depreciation payments. 4 4 © 2022 WESTERN DIGITAL CORPORATION OR ITS AFFILIATES ALL RIGHTS RESERVED Flash Ventures Lease Financing(2) Flash Ventures Lease Financing(2) + 5 + 5 Flash Ventures Net Operating Cash Flow (2)(3) Flash Ventures Net Operating Cash Flow (2)(3)

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