X0508 4 2023-09-01 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 2023-09-01 4 M 0 1782 0 A 1786 D Common Stock 2023-09-05 4 S 0 27 763.23 D 1759 D Common Stock 2023-09-05 4 S 0 135 765.364 D 1624 D Common Stock 2023-09-05 4 S 0 122 766.635 D 1502 D Common Stock 2023-09-05 4 S 0 223 767.3268 D 1279 D Common Stock 2023-09-05 4 S 0 163 768.862 D 1116 D Common Stock 2023-09-05 4 S 0 27 769.95 D 1089 D Restricted Stock Unit 0 2023-09-01 4 M 0 1782 0 D Common Stock 1782 7122 D Includes 4 shares acquired under the Equinix, Inc. Employee Stock Purchase Plan on August 14, 2023. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $764.88 to $765.80, 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 this footnotes 3 through 5 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 $765.92 to $766.869 inclusive. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $766.94 to $767.82 inclusive. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $768.29 to $769.21 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 2023-09-06