UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, DC 20549

SCHEDULE 14A

Proxy Statement Pursuant to Section 14(a) of the

Securities Exchange Act of 1934

Filed by the Registrant  ☒                             Filed by a Party other than the Registrant  ☐

Check the appropriate box:

☐	Preliminary Proxy Statement
☐	Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2))
☐	Definitive Proxy Statement
☒	Definitive Additional Materials
☐	Soliciting Material Pursuant to §240.14a-12

New Senior Investment Group 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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☐	Check box if any part of the fee is offset as provided by Exchange Act Rule 0-11(a)(2) and identify the filing for which the offsetting fee was paid previously. Identify the previous filing by registration statement number, or the Form or Schedule and the date of its filing.
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BARCODE 1 OF 2 12 15 1234567 1234567 1234567 1234567 1234567 1234567 1234567 See the reverse side of this notice to obtain proxy materials and voting instructions. Broadridge Internal Use Only Job # Envelope # Sequence # # of # Sequence # *** Exercise Your Right to Vote *** Important Notice Regarding the Availability of Proxy Materials for the Stockholder Meeting to Be Held on <mtgdate>. 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. Meeting Information Meeting Type: <mtgtype> For holders as of: <recdate> Date: Time: <mtgtime> Location: 0000420664_1 R1.0.1.18 NEW SENIOR INVESTMENT GROUP INC. NEW SENIOR INVESTMENT GROUP INC. 55 W. 46TH STREET SUITE 2204 NEW YORK, NY 10036 Investor Address Line 1 Investor Address Line 2 Investor Address Line 3 Investor Address Line 4 Investor Address Line 5 John Sample 1234 ANYWHERE STREET ANY CITY, ON A1A 1A1 Annual Meeting April 15, 2019 June 12, 2019 June 12, 2019 8:00 AM EDT Millenium Broadway 145 W. 45th Street New York, NY 10036

Internal Use Only Please Choose One of the Following Voting Methods Vote In Person: Many stockholder 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 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. How To Vote ï§ Before You Vote How to Access the Proxy Materials Proxy Materials Available to VIEW or RECEIVE: 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. ï§ ï§ 0000420664_2 R1.0.1.18 1. Notice & Proxy Statement 2. Annual Report 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 29, 2019 to facilitate timely delivery.

BARCODE 123456789012 123456789012 123456789012 123456789012 123456789012 123456789012 123456789012 123456789012 123456789012 123456789012 123456789012 123456789012 Broadridge Internal Use Only xxxxxxxxxx xxxxxxxxxx Cusip Job # Envelope # Sequence # # of # Sequence # Voting items 0000420664_3 R1.0.1.18 The Board of Directors recommends you vote FOR the following: 1. Election of Directors Nominees 01) Susan Givens 02) Michael D. Malone 03) David H. Milner The Board of Directors recommends you vote FOR the following proposals: 2. To ratify the appointment of Ernst & Young LLP as independent registered public accounting firm for New Senior Investment Group Inc. for fiscal year 2019. 3. Approval of amendments to our Certificate of Incorporation and Bylaws to provide for the annual election of all directors. 4. Approval of amendments to our Certificate of Incorporation and Bylaws to eliminate provisions that are no longer applicable. 5. Approval of amendments to our Bylaws to implement majority voting in uncontested director elections. NOTE: The Board of Directors may act upon any other business properly presented at the Annual Meeting. If this proxy is properly executed, then the shares will be voted either in the manner you indicate above or, if no direction is indicated, (i) FOR ALL nominees on Proposal 1, (ii) FOR Proposals 2, 3, 4 and 5 and (iii) in the discretion of the proxy holder on any other business that properly comes before the Annual Meeting or any adjournment or postponement thereof.

THIS SPACE RESERVED FOR SIGNATURES IF APPLICABLE Reserved for Broadridge Internal Control Information Broadridge Internal Use Only Job # Envelope # Sequence # # of # Sequence # NAME THE COMPANY NAME INC.—COMMON 123,456,789,012.12345 THE COMPANY NAME INC.—CLASS A 123,456,789,012.12345 THE COMPANY NAME INC.—CLASS B 123,456,789,012.12345 THE COMPANY NAME INC.—CLASS C 123,456,789,012.12345 THE COMPANY NAME INC.—CLASS D 123,456,789,012.12345 THE COMPANY NAME INC.—CLASS E 123,456,789,012.12345 THE COMPANY NAME INC.—CLASS F 123,456,789,012.12345 THE COMPANY NAME INC.—401 K 123,456,789,012.12345 0000420664_4 R1.0.1.18