X0306 4 2019-03-01 0001101239 EQUINIX INC EQIX 0001751921 Miller Simon C/O EQUINIX, INC. ONE LAGOON DRIVE REDWOOD CITY CA 94065 0 1 0 0 Chief Accounting Officer Common Stock 2019-03-01 4 M 0 259 0 A 561 D Common Stock 2019-03-01 4 M 0 103 0 A 664 D Common Stock 2019-03-01 4 M 0 262 0 A 926 D Common Stock 2019-03-01 4 M 0 213 0 A 1139 D Common Stock 2019-03-01 4 M 0 226 0 A 1365 D Common Stock 2019-03-01 4 M 0 87 0 A 1452 D Common Stock 2019-03-04 4 S 0 40 423.661 D 1412 D Common Stock 2019-03-04 4 S 0 59 424.6974 D 1353 D Common Stock 2019-03-04 4 S 0 41 425.8135 D 1312 D Common Stock 2019-03-04 4 S 0 70 426.8994 D 1242 D Common Stock 2019-03-04 4 S 0 79 427.5898 D 1163 D Common Stock 2019-03-04 4 S 0 47 428.6533 D 1116 D Common Stock 2019-03-04 4 S 0 22 429.721 D 1094 D Common Stock 2019-03-04 4 S 0 6 430.5379 D 1088 D Common Stock 2019-03-04 4 S 0 1 431.48 D 1087 D Common Stock 2019-03-04 4 S 0 13 433.6638 D 1074 D Restricted Stock Units 0 2019-03-01 4 M 0 259 0 D Common Stock 259 0 D Restricted Stock Units 0 2019-03-01 4 M 0 103 0 D Common Stock 103 0 D Restricted Stock Units 0 2019-03-01 4 M 0 262 0 D Common Stock 262 524 D Restricted Stock Units 0 2019-03-01 4 M 0 213 0 D Common Stock 213 848 D Restricted Stock Units 0 2019-03-01 4 M 0 226 0 D Common Stock 226 1356 D Restricted Stock Units 0 2019-03-01 4 M 0 87 0 D Common Stock 87 606 D Includes 58 shares acquired under the Equinix, Inc. Employee Stock Purchase Plan on February 14, 2019. 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 $423.16 to $424.14 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 4 through 11 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 $424.17 to $425.09 inclusive. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $425.18 to $426.16 inclusive. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $426.19 to $427.18 inclusive. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $427.22 to $428.21 inclusive. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $428.22 to $429.21 inclusive. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $429.23 to $430.21 inclusive. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $430.28 to $430.75 inclusive. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $433.45 to $434.02 inclusive. 259 shares vested on March 1, 2019, subject solely to continued service. Restricted Stock Unit award expires upon reporting person's termination of services. 103 shares vested on March 1, 2019, subject solely to continued service. 262 shares (12.5% of the total shares awarded vested on March 1, 2019 and an additional 12.5% each 6 months thereafter until fully vested, subject solely to continued service. 213 shares (12.5% of the total shares awarded) vested on March 1, 2019 and an additional 12.5% each 6 months thereafter until fully vested, subject solely to continued service. 226 shares (12.5% of the total shares awarded) vested on March 1, 2019 and an additional 12.5% each 6 months thereafter until fully vested, subject solely to continued service. 87 shares (12.5% of the total shares awarded) vested on March 1, 2019 and an additional 12.5% each 6 months thereafter until fully vested, subject solely to continued service. Samantha Lagocki, Attorney-in-Fact 2019-03-05