X0306 4 2023-02-16 0001101239 EQUINIX INC EQIX 0001677762 Campbell Michael Earl EQUINIX, INC. ONE LAGOON DRIVE REDWOOD CITY CA 94065 1 Chief Sales Officer Common Stock 2023-02-16 4 S 0 20 682.56 D 16164 D Common Stock 2023-02-16 4 S 0 20 685.96 D 16144 D Common Stock 2023-02-16 4 S 0 20 687.32 D 16124 D Common Stock 2023-02-16 4 S 0 20 691.12 D 16104 D Common Stock 2023-02-16 4 S 0 20 694.51 D 16084 D Common Stock 2023-02-16 4 S 0 20 698.66 D 16064 D Common Stock 2023-02-16 4 S 0 35 701.8429 D 16029 D Common Stock 2023-02-16 4 S 0 65 703.6692 D 15964 D Common Stock 2023-02-16 4 S 0 40 704.555 D 15924 D Common Stock 2023-02-16 4 S 0 20 705.91 D 15904 D Common Stock 2023-02-16 4 S 0 49 707.75 D 15855 D Common Stock 2023-02-16 4 S 0 140 709.3364 D 15715 D Common Stock 2023-02-16 4 S 0 120 711.2633 D 15595 D Common Stock 2023-02-16 4 S 0 100 712.278 D 15495 D Common Stock 2023-02-16 4 S 0 60 713.3917 D 15435 D Common Stock 2023-02-16 4 S 0 140 714.1993 D 15295 D Common Stock 2023-02-16 4 S 0 22 714.9782 D 15273 D Common Stock 2023-02-16 4 S 0 140 716.435 D 15133 D Common Stock 2023-02-16 4 S 0 60 717.5333 D 15073 D Common Stock 2023-02-16 4 S 0 60 718.71 D 15013 D Common Stock 2023-02-16 4 S 0 429 720.2254 D 14584 D Common Stock 2023-02-16 4 S 0 143 721.5838 D 14441 D Common Stock 2023-02-16 4 S 0 1 722.80 D 14440 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 $701.53 to $702.26, 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 15 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 $703.00 to $704.00 inclusive. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $704.09 to $705.02 inclusive. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $709.00 to $709.855 inclusive. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $710.79 to $711.79 inclusive. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $711.85 to $712.725 inclusive. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $712.855 to $713.79 inclusive. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $713.89 to $714.45 inclusive. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $714.965 to $715.11 inclusive. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $715.99 to $716.89 inclusive. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $717.14 to $718.09 inclusive. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $718.28 to $719.11 inclusive. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $719.76 to $720.62 inclusive. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $721.41 to $722.0869 inclusive. /s/ Samantha Lagocki, POA 2023-02-17