X0508 4 2023-08-11 0001101239 EQUINIX INC EQIX 0001502558 Meyers Charles J ONE LAGOON DRIVE 4TH FLOOR REDWOOD CITY CA 94065 1 CEO and President 1 Common Stock 2023-08-11 4 S 0 318 763.65 D 14763 D Common Stock 2023-08-11 4 S 0 1071 767.4049 D 13692 D Common Stock 2023-08-11 4 S 0 1123 768.2716 D 12569 D Common Stock 2023-08-11 4 S 0 1260 769.5088 D 11309 D Common Stock 2023-08-11 4 S 0 772 770.7848 D 10537 D Common Stock 2023-08-11 4 S 0 900 772.4167 D 9637 D Common Stock 2023-08-11 4 S 0 451 773.563 D 9186 D Common Stock 2023-08-11 4 S 0 1444 774.762 D 7742 D Common Stock 2023-08-11 4 S 0 100 775.40 D 7642 D The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $766.77 to $767.57, 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 2 through 7 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 $767.90 to $768.68 inclusive. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $769.14 to $770.07 inclusive. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $770.20 to $771.06 inclusive. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $771.86 to $772.71 inclusive. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $773.31 to $773.78 inclusive. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $774.39 to $775.38 inclusive. /s/ Samantha Lagocki, POA 2023-08-14