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Voting items

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

1. Election of Class III Directors to serve until the 2023 Annual Meeting of Stockholders.

Nominees

01) W. Matt Ralls 02) John Deane 03) Marty Stromquist

The Board of Directors recommends you vote FOR proposals 2 and 3.

2. To ratify the appointment of PricewaterhouseCoopers LLP as our independent registered public accounting firm for the year ending December 31, 2020.

3. To approve the amended and restated 2017 Equity Incentive Plan.

NOTE: Such other business as may properly come before the meeting or any adjournment thereof.

*** Exercise Your Right to Vote ***

Important Notice Regarding the Availability of Proxy Materials for the

Stockholder Meeting to Be Held on June 11, 2020

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NCS MULTISTAGE HOLDINGS, INC.

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Meeting Information

Meeting Type: Annual Meeting

For holders as of: April 14, 2020

Date: June 11, 2020 Time: 9:00 AM CDT

Location: 19350 State Highway 249

Suite 600

Houston, Texas 77070

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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.

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— Before You Vote —

How to Access the Proxy Materials

Proxy Materials Available to VIEW or RECEIVE:

1. Annual Report 2. Notice and Proxy Statement

How to View Online:

Have the information that is printed in the box marked by the arrow LOGO (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 LOGO (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 May 28, 2020 to facilitate timely delivery.

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— How To Vote —

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 LOGO

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.

Internal Use

Only

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						Reserved for Broadridge Internal Control Information



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

Broadridge Internal Use Only

THIS SPACE RESERVED FOR SIGNATURES IF APPLICABLE

Job #

Envelope #

Sequence #

# of # Sequence #


☐		Preliminary Proxy Statement

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☐		Definitive Proxy Statement

☒		Definitive Additional Materials

☐		Soliciting Material Pursuant to §240.14a-12



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