X0508 4 2025-01-15 0001101239 EQUINIX INC EQIX 0002039256 Pletcher Kurt C/O EQUINIX INC. ONE LAGOON DRIVE REDWOOD CITY CA 94065 1 Chief Legal Officer 1 Common Stock 2025-01-15 4 M 0 372 0 A 1387 D Common Stock 2025-01-15 4 M 0 384 0 A 1771 D Common Stock 2025-01-16 4 S 0 41 900.9188 D 1730 D Common Stock 2025-01-16 4 S 0 37 902.1984 D 1693 D Common Stock 2025-01-16 4 S 0 39 903.2232 D 1654 D Common Stock 2025-01-16 4 S 0 106 904.1252 D 1548 D Common Stock 2025-01-16 4 S 0 114 904.9247 D 1434 D Common Stock 2025-01-16 4 S 0 4 905.88 D 1430 D Restricted Stock Units 0 2025-01-15 4 M 0 372 0 D Common Stock 372 372 D Restricted Stock Units 0 2025-01-15 4 M 0 384 0 D Common Stock 384 766 D Shares were sold pursuant to a 10b5-1 Trading Plan in order to raise funds to pay the required withholding tax pursuant to the vesting of RSUs. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $900.28 to $901.14, inclusive. The reporting person undertakes to provide to Equinix, Inc, any security holder of Equinix Inc, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in footnotes 3 through 6 to this Form 4. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $901.655 to $902.57 inclusive. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $902.665 to $903.66 inclusive. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $903.78 to $904.615 inclusive. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $904.81 to $905.305 inclusive. 33.33% of the RSUs vested on January 15, 2024 and an additional 33.33% of the RSUs will each vest on January 15, 2025 and January 15, 2026, subject solely to continued service. Restricted stock unit award expires upon reporting person's termination of service. Vesting is dependent upon continuous active service as an employee, consultant or director of the Company or a subsidiary of the Company (Service) throughout the vesting period. The Restricted Stock Units shall vest as follows: 33.33% of the RSUs vested on January 15, 2025 and an additional 33.33% of the RSUs will each vest on January 15, 2026 and January 15, 2027. /s/ Samantha Lagocki, POA 2025-01-17