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

¨ 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

NORWEGIAN CRUISE LINE HOLDINGS LTD.

(Name of Registrant as Specified In Its Charter)

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

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E76181-P22407 See the reverse side of this notice to obtain proxy materials and voting instructions. 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 (see reverse side). We encourage you to access and review all of the important information contained in the proxy materials before voting. NORWEGIAN CRUISE LINE HOLDINGS LTD. *** Exercise Your Right to Vote *** Important Notice Regarding the Availability of Proxy Materials for the Shareholder Meeting to Be Held on June 13, 2019. NORWEGIAN CRUISE LINE HOLDINGS LTD. 7665 CORPORATE CENTER DRIVE MIAMI, FL 33126 Meeting Information Meeting Type: Annual General Meeting For holders as of: April 1, 2019 Date: June 13, 2019 Time: 9:00 AM, EDT Location: Pullman Miami 5800 Blue Lagoon Drive Miami, FL 33126

E76182-P22407 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 (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. 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. Proxy Materials Available to VIEW or RECEIVE: × XXXX XXXX XXXX XXXX × XXXX XXXX XXXX XXXX × XXXX XXXX XXXX XXXX Before You Vote How to Access the Proxy Materials How To Vote Please Choose One of the Following Voting Methods 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 30, 2019 to facilitate timely delivery. PROXY STATEMENT 2018 ANNUAL REPORT TO SHAREHOLDERS

Voting Items E76183-P22407 2. Approval, on a non-binding, advisory basis, of the compensation of our named executive officers 3. Approval of the amendment and restatement of our bye-laws to delete obsolete provisions 1a. Frank J. Del Rio 1b. Chad A. Leat 1c. Steve Martinez 1. Election of Class III Directors The Board of Directors recommends you vote FOR the following: The Board of Directors recommends you vote FOR proposals 2, 3 and 4. Nominees: 1d. Pamela Thomas-Graham 4. Ratification of the appointment of PricewaterhouseCoopers LLP ("PwC") as our independent registered public accounting firm for the year ending December 31, 2019 and the determination of PwC's remuneration by our Audit Committee

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