Capital Allocation Framework

7 WESTERN DIGITAL CONFIDENTIAL Cash Flow Walk In millions $295 $2,505 © 2022 WESTERN DIGITAL CORPORATION OR ITS AFFILIATES ALL RIGHTS RESERVED $2,327 $(392) $(150) $69 (1) (2) Q3F22 Cash & Cash Equivalents Operating Cash Cash CapEx Debt Repayment Other Flow Q4F22 Cash & Cash Equivalents ☐ Made scheduled and discretionary debt repayment of $150 million Strong liquidity position of $4.58 billion, including $2.25 billion undrawn revolver Cash Capital Expenditures includes purchases of property, plant and equipment, net, and notes receivable issuances to Flash Ventures, net. 1. 2. Other primarily consists of debt issuance costs, employee stock plans, net and strategic investments and other, net.

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