X0508 4 2024-03-01 0001101239 EQUINIX INC EQIX 0001639704 Crenshaw Scott C/O EQUINIX INC. ONE LAGOON DRIVE REDWOOD CITY CA 94065 1 EVP, GM Digital Services 1 Common Stock 2024-03-01 4 M 0 1781 0 A 1815 D Common Stock 2024-03-04 4 S 0 43 890.2321 D 1772 D Common Stock 2024-03-04 4 S 0 75 891.4867 D 1697 D Common Stock 2024-03-04 4 S 0 100 893.1875 D 1597 D Common Stock 2024-03-04 4 S 0 264 894.815 D 1333 D Common Stock 2024-03-04 4 S 0 176 895.9512 D 1157 D Common Stock 2024-03-04 4 S 0 7 897.79 D 1150 D Common Stock 2024-03-04 4 S 0 25 898.04 D 1125 D Common Stock 2024-03-05 4 S 0 121 893.704 D 1004 D Common Stock 2024-03-05 4 S 0 100 897.68 D 904 D Common Stock 2024-03-05 4 S 0 100 901.07 D 804 D Common Stock 2024-03-05 4 S 0 200 902.13 D 604 D Common Stock 2024-03-05 4 S 0 100 906.03 D 504 D Common Stock 2024-03-05 4 S 0 100 907.75 D 404 D Common Stock 2024-03-05 4 S 0 200 909.27 D 204 D Common Stock 2024-03-05 4 S 0 100 912.48 D 104 D Common Stock 2024-03-05 4 S 0 100 913.91 D 4 D Restricted Stock Unit 0 2024-03-01 4 M 0 1781 0 D Common Stock 1781 5341 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 $890.11 to $890.32, 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 $891.22 to $892.00 inclusive. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $893.05 to $893.50 inclusive. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $894.50 to $895.50 inclusive. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $895.58 to $896.50 inclusive. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $893.09 to $893.93, 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 footnote 8 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 $908.80 to $909.74 inclusive. Vesting is dependent upon continuous active service as an employee or director of the Company or a subsidiary of the Company (Service) throughout the vesting period. The Restricted Stock Units shall vest as follows: 16.67% of the RSUs vesting on March 1, 2023 and an additional 16.67% of the RSUs vesting every 6 months thereafter until fully vested.. Restricted stock unit award expires upon reporting person's termination of service. /s/ Samantha Lagocki, POA 2024-03-05