UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, D.C. 20549

SCHEDULE 14A

(Rule 14a-101)

SCHEDULE 14A INFORMATION

Proxy Statement Pursuant to Section 14(a) of

the Securities Exchange Act of 1934

Filed by the Registrant  x                            Filed by a Party other than the Registrant  ¨

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¨ Preliminary Proxy Statement

¨ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2))

¨ Definitive Proxy Statement

x Definitive Additional Materials

¨ Soliciting Material Pursuant to §240.14a-12

SILVER SPRING NETWORKS, INC.

(Name of Registrant as Specified In Its Charter)

(Name of Person(s) Filing Proxy Statement, if other than the Registrant)

Payment of Filing Fee (Check the appropriate box):

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*** Exercise Your Right to Vote ***

Important Notice Regarding the Availability of Proxy Materials for the

Stockholder Meeting to Be Held on June 5, 2014.

	Meeting Information
SILVER SPRING NETWORKS, INC.	Meeting Type:           Annual Meeting
	For holders as of:     April 7, 2014
	Date:  June 5, 2014       Time:   2:00 PM, PDT
	Location:    Meeting live via the Internet-please visit
	www.virtualshareholdermeeting.com/ssni2014.
	The company will be hosting the meeting live via the Internet this year. To attend the meeting via the Internet please visit www.virtualshareholdermeeting.com/ssni2014 and be sure to have the information that is printed in the box marked by the arrow (located on the following page).

SILVER SPRING NETWORKS, INC. 555 BROADWAY STREET REDWOOD CITY, CA 94063	You are receiving this communication because you hold shares in the company named above.
	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 at no charge (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: NOTICE OF ANNUAL MEETING OF STOCKHOLDERS AND PROXY STATEMENT        ANNUAL REPORT ON FORM 10-K How to View Online: Have the information that is printed in the box marked by the arrow (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 (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 22, 2014 to facilitate timely delivery.
	—  How To Vote  — Please Choose One of the Following Voting Methods
	Vote By Internet: Before The Meeting: Go to www.proxyvote.com. Have the information that is printed in the box marked by the arrow (located on the following page) available and follow the instructions. During The Meeting: Go to www.virtualshareholdermeeting.com/ssni2014. Have the information that is printed in the box marked by the arrow (located on the following page) 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:
	1.	Scott A. Lang
	2.	Warren M. Weiss
	3.	Thomas H. Werner
The Board of Directors recommends you vote FOR proposals 2 and 3:
2.	To re-approve the provisions of the Company’s 2012 Equity Incentive Plan related to Section 162(m) of the Internal Revenue Code of 1986, as amended, to preserve our ability to receive corporate income tax deductions that may become available pursuant to Section 162(m).
3.	To ratify the appointment of Ernst & Young LLP as our independent registered public accounting firm for the year ending December 31, 2014.
NOTE: The proxies may vote in their discretion upon any and all other matters that may properly come before the meeting or any adjournment thereof.