SCHEDULE 14A

(Rule 14a-101)

INFORMATION REQUIRED IN PROXY STATEMENT

SCHEDULE 14A INFORMATION

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

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Filed by a Party other than the Registrant [ ]

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[ ]	Definitive Proxy Statement
[X]	Definitive Additional Materials

	JUNIPER NETWORKS, 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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*** Exercise Your Right to Vote ***
Important Notice Regarding the Availability of Proxy Materials for the
Shareholder Meeting to Be Held on May 21, 2013

JUNIPER NETWORKS, INC.

JUNIPER NETWORKS, INC.
ATTN: INVESTOR RELATIONS
1194 N.MATHILDA AVENUE
SUNNYVALE, CA 94089-1206


	Meeting Information
	Meeting Type: Annual Meeting
	For holders as of: March 28, 2013
	Date: May 21, 2013 Time: 9:00 AM PST
	Location:	Juniper Networks, Inc. 1133 Innovation Way Building A Aristotle Conference Room Sunnyvale, CA 94089


	You are receiving this communication because you hold shares in the above named company.

	This is not a ballot. You cannot use this notice to vote these shares. This communication presents only an overview of the more complete proxy materials that are available to you on the Internet. You may view the proxy materials online at www.proxyvote.com or easily request a paper copy (see reverse side).

	We encourage you to access and review all of the important information contained in the proxy materials before voting.
	See the reverse side of this notice to obtain proxy materials and voting instructions.

— Before You Vote —
How to Access the Proxy Materials


	Proxy Materials Available to VIEW or RECEIVE: 1. LTR/NPS/10K COMBO How to View Online: Have the information that is printed in the box marked by the arrow è XXXX XXXX XXXX (located on the following page) and visit: www.proxyvote.com. How to Request and Receive a PAPER or E-MAIL Copy: If you want to receive a paper or e-mail copy of these documents, you must request one. There is NO charge for requesting a copy. Please choose one of the following methods to make your request: 1) BY INTERNET: www.proxyvote.com 2) BY TELEPHONE: 1-800-579-1639 3) BY E-MAIL: sendmaterial@proxyvote.com If requesting materials by e-mail, please send a blank e-mail with the information that is printed in the box marked by the arrow è XXXX XXXX XXXX (located on the following page) in the subject line. Requests, instructions and other inquiries sent to this e-mail address will NOT be forwarded to your investment advisor. Please make the request as instructed above on or before May 07, 2013 to facilitate timely delivery.

— How To Vote —
Please Choose One of the Following Voting Methods

Vote In Person: Many shareholder meetings have attendance requirements including, but not limited to, the possession of an attendance ticket issued by the entity holding the meeting. Please check the meeting materials for any special requirements for meeting attendance. At the meeting, you will need to request a ballot to vote these shares.

Vote By Internet: To vote now by Internet, go to www.proxyvote.com. Have the information that is printed in the box marked by the arrow è XXXX XXXX XXXX available and follow the instructions.

Vote By Mail: You can vote by mail by requesting a paper copy of the materials, which will include a proxy card.

Voting items
The Board of Directors recommends you vote FOR the following:

1.	Election of Directors
	Nominees
01	Pradeep Sindhu	02 Robert M. Calderoni	03 William F. Meehan


The Board of Directors recommends you vote FOR proposals 2 and 3.

2.	Ratification of Ernst & Young LLP, an independent registered public accounting firm, as auditors.

3.	Approval of a non-binding advisory resolution on executive compensation.

NOTE: Such other business as may properly come before the meeting or any adjournment thereof.