UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

SCHEDULE 14A INFORMATION

PROXY STATEMENT PURSUANT TO SECTION 14(a) OF THE

SECURITIES EXCHANGE ACT OF 1934

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☐ Preliminary Proxy Statement

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☐ Definitive Proxy Statement

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☐ Soliciting Material Pursuant to §240.14a-11(c) or §240.14a-2

SERVICESOURCE INTERNATIONAL, 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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Important Notice Regarding the Availability of Proxy Materials for the Stockholder Meeting

to be held on May 14, 2019, for ServiceSource International, Inc.

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. To view the proxy statement and annual report, go to www.proxydocs.com/srev. To submit your proxy while visiting this site, you will need the 12 digit control number in the box below.

		Under United States Securities and Exchange Commission rules, proxy materials do not have to be delivered on paper. Proxy materials can be distributed by making them available on the Internet. We have chosen to use these procedures for our 2019 Annual Meeting and need YOUR participation.
		If you want to receive a paper or e-mail copy of the proxy materials, you must request one. There is no charge to you for requesting a copy. In order to receive a paper package in time for this year’s annual meeting, please make this request on or before May 5, 2019.

	For a Convenient Way to VIEW Proxy Materials — and — VOTE Online go to: www.proxydocs.com/srev
	Proxy Materials Available to View or Receive: 1. Proxy Statement   2. Annual Report Printed materials may be requested by one of the following methods:

INTERNET www.investorelections.com/srev	TELEPHONE (866) 648-8133	*E-MAIL paper@investorelections.com
You must use the 12 digit control number located in the shaded gray box below.		*  If requesting material by e-mail, please send a blank e-mail with the 12 digit control number (located below) in the subject line. No other requests, instructions or other inquiries should be included with your e-mail requesting material.
	ACCOUNT NO.	SHARES

Company Notice of Annual Meeting

    Date:    Tuesday, May 14, 2019 Time:    3:00 p.m. (Mountain Time) Place:   717 17^th Street,  5^th Floor, Denver, Colorado 80202

The purpose of the Annual Meeting is to take action on the following proposals:

The Board of Directors recommends that you vote “FOR” each of the director nominees listed in proposal 1, “FOR” proposals 2, 3 and 4.

1. Election of Class I Directors

Nominees	01   Robert G. Ashe	04   Thomas F. Mendoza	07   Richard G. Walker
	02   Bruce W. Dunlevie	05   Gary B. Moore
	03   John R. Ferron	06   Madhu Ranganathan

2. Vote to authorize the Company’s Board of Directors, in its discretion, to amend the Company’s Certificate of Incorporation to effect a reverse stock split in a ratio of not less than one-for-four and not more than one-for-six.

3. Advisory vote on compensation of named executive officers for the year ended December 31, 2018.

4. Ratification of the selection of Ernst & Young LLP as the Company’s Independent Registered Public Accounting Firm for the fiscal year ending December 31, 2019.