X0306 4 2023-02-16 0001101239 EQUINIX INC EQIX 0001197203 TAYLOR KEITH D C/O EQUINIX ONE LAGOON DRIVE REDWOOD CITY CA 94065 1 Chief Financial Officer Common Stock 2023-02-16 4 S 0 200 687.37 D 26464 D Common Stock 2023-02-16 4 S 0 100 694.36 D 26364 D Common Stock 2023-02-16 4 S 0 100 705.02 D 26264 D Common Stock 2023-02-16 4 S 0 100 706.09 D 26164 D Common Stock 2023-02-16 4 S 0 100 707.75 D 26064 D Common Stock 2023-02-16 4 S 0 300 711.9467 D 25764 D Common Stock 2023-02-16 4 S 0 500 714.108 D 25264 D Common Stock 2023-02-16 4 S 0 100 715.81 D 25164 D Common Stock 2023-02-16 4 S 0 300 719.575 D 24864 D Common Stock 2023-02-16 4 S 0 765 722.2721 D 24099 D Common Stock 2023-02-16 4 S 0 1 723.28 D 24098 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 $711.71 to $712.14, 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 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 $713.74 to $714.64 inclusive. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $719.19 to $720.135 inclusive. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $721.8247 to $722.4685 inclusive. /s/ Samantha Lagocki, POA 2023-02-17