Equinix (EQIX) DEFA14A Additional proxy soliciting materials

UNITED STATES
SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

SCHEDULE 14A

Proxy Statement Pursuant to Section 14(a) of
the Securities Exchange Act of 1934 (Amendment No.     )

Filed by the Registrant  x
Filed by a Party other than the Registrant  o
Check the appropriate box:
o	Preliminary Proxy Statement
o	Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2))
o	Definitive Proxy Statement
x	Definitive Additional Materials
o	Soliciting Material under §240.14a-12
Equinix, Inc.
(Name of Registrant as Specified In Its Charter)
(Name of Person(s) Filing Proxy Statement, if other than the Registrant)
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x	No fee required.
o	Fee computed on table below per Exchange Act Rules 14a-6(i)(1) and 0-11.
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MMMMMMMMMMMM + MMMMMMM C 1234567890 000004 ENDORSEMENT_LINE______________ SACKPACK_____________ MR A SAMPLE DESIGNATION (IF ANY) ADD 1 ADD 2 ADD 3 ADD 4 ADD 5 ADD 6 Online Go to www.investorvote.com/EQIX or scan the QR code — login details are located in the shaded bar below. Votes submitted electronically must be received by 1:00 a.m., Central Time, on May 30, 2019. Important Notice Regarding the Availability of Proxy Materials for the Equinix, Inc. Stockholder Meeting to be Held on May 30, 2019 Under Securities and Exchange Commission rules, you are receiving this notice that the proxy materials for the annual stockholders’ meeting are available on the Internet. Follow the instructions below to view the materials and vote online or request a copy. The items to be voted on and location of the annual meeting are on the reverse side. Your vote is important! This communication presents only an overview of the more complete proxy materials that are available to you on the Internet. We encourage you to access and review all of the important information contained in the proxy materials before voting. The 2019 Proxy Statement and 2018 Annual Report to Stockholders are available at: www.investorvote.com/EQIX Easy Online Access — View your proxy materials and vote. Step 1: Step 2: Step 3: Step 4: Step 5: Go to www.investorvote.com/EQIX. Click on the icon on the right to view meeting materials. Return to the investorvote.com window and follow the instructions on the screen to log in. Make your selections as instructed on each screen for your delivery preferences. Vote your shares. When you go online, you can also help the environment by consenting to receive electronic delivery of future materials. Obtaining a Copy of the Proxy Materials – If you want to receive a copy of the proxy materials, you must request one. There is no charge to you for requesting a copy. Please make your request as instructed on the reverse side on or before May 20, 2019 to facilitate timely delivery. + 2 N O T C O Y 031G9A MMMMMMMMM Stockholder Meeting Notice 1234 5678 9012 345

Equinix, Inc.'s Annual Meeting of Stockholders will be held on May 30, 2019 at Equinix's Headquarters located at One Lagoon Drive, Redwood City, CA 94065, at 10:30 a.m. Pacific Time. Proposals to be voted on at the meeting are listed below along with the Board of Directors’ recommendations. The Board of Directors recommend a vote FOR all the nominees listed and FOR Proposals 2-4 and AGAINST Proposal 5: 1. Election of Directors: 01 - Thomas Bartlett 02 - Nanci Caldwell 03 - Gary Hromadko 04 - Scott Kriens 05 - William Luby 06 - Irving Lyons, III 07 - Charles Meyers 08 - Christopher Paisley 09 - Peter Van Camp To approve, by a non-binding advisory vote, the compensation of Equinix's named executive officers. To approve the Equinix French Sub-plan under Equinix's 2000 Equity Incentive Plan. To ratify the appointment of PricewaterhouseCoopers LLP as Equinix's independent registered public accounting firm for the fiscal year ending December 31, 2019. Stockholder proposal related to political contributions. 2. 3. 4. 5. PLEASE NOTE – YOU CANNOT VOTE BY RETURNING THIS NOTICE. To vote your shares you must go online or request a paper copy of the proxy materials to receive a proxy card. If you wish to attend and vote at the meeting, please bring this notice with you. Here’s how to order a copy of the proxy materials and select delivery preferences: Current and future delivery requests can be submitted using the options below. If you request an email copy, you will receive an email with a link to the current meeting materials. PLEASE NOTE: You must use the number in the shaded bar on the reverse side when requesting a copy of the proxy materials. — — — Internet – Go to www.investorvote.com/EQIX. Phone – Call us free of charge at 1-866-641-4276. Email – Send an email to investorvote@computershare.com with “Proxy Materials Equinix, Inc.” in the subject line. Include your full name and address, plus the number located in the shaded bar on the reverse side, and state that you want a paper copy of the meeting materials. To facilitate timely delivery, requests for a paper copy of proxy materials must be received by May 20, 2019. Stockholder Meeting Notice