Aratana Therapeutics DEFA14A Additional proxy soliciting materials

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, DC 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. )

Filed by the Registrant ☒ 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
☒	Definitive Additional Materials
☐	Soliciting Material Pursuant to §240.14a-12

ARATANA THERAPEUTICS, 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 R

*** Exercise Your Right to Vote ***

Important Notice Regarding the Availability of Proxy Materials for the

Stockholder Meeting to Be Held on June 06, 2019

ARATANA THERAPEUTICS, INC.

Meeting Information

Meeting Type: Annual Meeting

For holders as of: April 10, 2019

Date: June 06, 2019

Location: Aratana Therapeutics, Inc.

Time: 8:00 AM CDT

ARATANA THERAPEUTICS, INC.

11400 TOMAHAWK CREEK PARKWAY SUITE 340

LEAWOOD, KS 66211

11400 Tomahawk Creek Parkway

Leawood, KS 66211

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.

See the reverse side of this notice to obtain proxy materials and voting instructions. Proxy Materials Available to VIEW or RECEIVE:

1. Notice & Proxy Statement2. Annual Report

How to View Online:

Have the information that is printed in the box marked by the arrow  following page) and visit: www.proxyvote.com.

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(located on the

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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

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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 23, 2019 to facilitate timely delivery.

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 v ote by

mail by requesting a paper copy of the m The Board of Directors recommends you vote

FOR the following:

1. Election of Directors

Nominees

01 Craig A. Barbarosh, Esq 02 David L. Brinkley03 Robert P. Roche, Jr.04 Craig A. Tooman

The Board of Directors recommends you vote FOR the following proposal:

2. To approve, in an advisory vote, our named executive officers' compensation.

The Board of Directors recommends you vote 1 YEAR on the following proposal:

3. To approve, in an advisory vote, the frequency, in future years, of an advisory vote on the compensation of our named executive officers.

The Board of Directors recommends you vote FOR the following proposal:

4. To ratify the appointment of PricewaterhouseCoopers LLP as our independent registered public accounting firm for the year ending December 31, 2019.

NOTE: The appointed proxies will vote in their discretion on any other business as may properly come before the

Annual Meeting or any continuation, postponement, or adjournment thereof.

materials, which will include a proxy card.

Voting Items

The Board of Directors recommends you vote

FOR the following:

1. Election of Directors

Nominees

01 Craig A. Barbarosh, Esq. 02 David L. Brinkley03 Robert P. Roche, Jr.04 Craig A. Tooman