X0407 4 2023-06-09 0001101239 EQUINIX INC EQIX 0001219928 MORANDI BRANDI GALVIN C/O EQUINIX, INC. ONE LAGOON DRIVE REDWOOD CITY CA 94065 1 Chief Legal and HR Officer 1 Common Stock 2023-06-09 4 S 0 630 744.1827 D 19813 D Common Stock 2023-06-09 4 S 0 711 744.9601 D 19102 D Common Stock 2023-06-09 4 S 0 679 746.1289 D 18423 D Common Stock 2023-06-09 4 S 0 379 747.2213 D 18044 D Common Stock 2023-06-09 4 S 0 90 748.8278 D 17954 D Common Stock 2023-06-09 4 S 0 223 749.7394 D 17731 D Common Stock 2023-06-09 4 S 0 1169 751.025 D 16562 D Common Stock 2023-06-09 4 S 0 242 751.9512 D 16320 D Common Stock 2023-06-09 4 S 0 316 753.2795 D 16004 D Common Stock 2023-06-09 4 S 0 367 754.4435 D 15637 D Common Stock 2023-06-09 4 S 0 19 755.28 D 15618 D Common Stock 2023-06-09 4 S 0 10 756.63 D 15608 D The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $743.46 to $744.45, 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 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 $744.57 to $745.45 inclusive. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $745.60 to $746.57 inclusive. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $747.07 to $747.92 inclusive. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $748.12 to $749.09 inclusive. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $749.31 to $750.30 inclusive. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $750.35 to $751.17 inclusive. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $751.40 to $752.08 inclusive. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $752.49 to $753.49 inclusive. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $754.27 to $754.57 inclusive. /s/ Samantha Lagocki, POA 2023-06-12