UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON D.C. 20549

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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☐	Preliminary Proxy Statement
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☐	Definitive Proxy Statement
☒	Definitive Additional Materials
☐	Soliciting Material Pursuant to §240.14a-12

SEACHANGE 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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*** Exercise Your Right to Vote *** Important Notice Regarding the Availability of Proxy Materials for the Stockholder Meeting to Be Held on July 9, 2020. SEACHANGE INTERNATIONAL, INC. SEACHANGE INTERNATIONAL, INC. ATTN: ELAINE MARTEL 500 TOTTEN POND ROAD SUITE 400 WALTHAM, MA 02451 Meeting Information Meeting Type: Annual Meeting For holders as of: May 19, 2020 Date: July 9, 2020 Time: 10:00 AM EDT Location: Meeting live via the Internet-please visit www.virtualshareholdermeeting.com/SEAC2020. 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/SEAC2020 and be sure to have the information that is printed in the box marked by the arrow XXXX XXXX XXXX XXXX (located on the following page). 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 to be sent to you by mail (see reverse side). We encourage you to access and review all of the important information contained in the proxy materials before voting. proxy See the materials reverse and side voting of this instructions. notice to obtain D18049-P41207

How to Before Access the You Proxy Vote Materials Proxy Materials Available to VIEW or RECEIVE: 1. Notice & Proxy Statement 2. Form 10-K 3. FAQ How to View Online: Have the information that is printed in the box marked by the arrow XXXX 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 XXXX 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 June 25, 2020 to facilitate timely delivery. How To Vote Please Choose One of the Following Voting Methods Vote By Telephone: You can vote by telephone by requesting a paper copy of the materials, which will include a proxy card that will provide instructions to vote these shares by proxy via telephone. Vote By Internet: Before The Meeting: Go to www.proxyvote.com. Have the information that is printed in the box marked by the arrow XXXX XXXX XXXX XXXX (located on the following page) available and follow the instructions. During The Meeting: Go to www.virtualshareholdermeeting.com/SEAC2020. Have the information that is printed in the box marked by the arrow XXXX XXXX XXXX XXXX (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. D18050-P41207

Voting Items The Board of Directors recommends you vote FOR proposals 1, 2 and 3. 1. To elect the following nominee to the Board of Directors to serve for a three-year term as a Class III Director: 1a. Jeffrey Tuder 2. To adopt, on an advisory basis, a resolution approving the compensation of SeaChange’s named executive officers. 3. To ratify the appointment of SeaChange’s independent registered public accounting firm, Marcum LLP. D18051-P41207