X0508 4 2024-01-16 0001101239 EQUINIX INC EQIX 0001901777 Lin Jonathan C/O EQUINIX, INC ONE LAGOON DRIVE REDWOOD CITY CA 94065 1 EVP, GM, Data Center Services 1 Common Stock 2024-01-16 4 M 0 752 0 A 5549 D Common Stock 2024-01-16 4 M 0 746 0 A 6295 D Common Stock 2024-01-17 4 S 0 43 803.4353 D 6252 D Common Stock 2024-01-17 4 S 0 40 804.6218 D 6212 D Common Stock 2024-01-17 4 S 0 32 805.8323 D 6180 D Common Stock 2024-01-17 4 S 0 39 807.2802 D 6141 D Common Stock 2024-01-17 4 S 0 43 808.47 D 6098 D Common Stock 2024-01-17 4 S 0 68 809.396 D 6030 D Common Stock 2024-01-17 4 S 0 199 810.9961 D 5831 D Common Stock 2024-01-17 4 S 0 125 812.3286 D 5706 D Common Stock 2024-01-17 4 S 0 35 813.9925 D 5671 D Restricted Stock Unit 0 2024-01-16 4 M 0 752 0 D Common Stock 752 751 D Restricted Stock Unit 0 2024-01-16 4 M 0 746 0 D Common Stock 746 1489 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 $803.02 to $803.94, 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 10 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 $804.18 to $805.18 inclusive. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $805.355 to $806.23 inclusive. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $806.99 to $807.69 inclusive. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $808.00 to $808.90 inclusive. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $809.10 to $809.64 inclusive. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $810.70 to $811.185 inclusive. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $812.00 to $812.83 inclusive. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $813.36 to $814.00 inclusive. 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, 2023 and an additional 33.33% of the RSUs will each vest on January 15, 2024 and January 15, 2025. 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, 2024 and an additional 33.33% of the RSUs will each vest on January 15, 2025 and January 15, 2026. /s/ Samantha Lagocki, POA 2024-01-18