Washington, D.C. 20549


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

Definitive Additional Materials

Soliciting Material Pursuant to § 240.14a-12

NGM Biopharmaceuticals, 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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See the reverse side of this notice to obtain  proxy materials and voting instructions.  *** 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 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:  0000454632_1 R1.0.1.18  NGM BIOPHARMACEUTICALS INC  BROADRIDGE FINANCIAL SOLUTIONS, INC.  51 MERCEDES WY  EDGEWOOD, NY 11717  Annual Meeting  March 23, 2020  May 20, 2020  May 20, 2020 7:30 AM PST  NGM Biopharmaceuticals, Inc.  333 Oyster Point Blvd  South San Francisco, CA 94080


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 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  .  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:  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:  2) BY TELEPHONE: 1-800-579-1639  3) BY E-MAIL*:  * 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.  .  .  0000454632_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 06, 2020 to facilitate timely delivery.


Voting items  0000454632_3 R1.0.1.18  The Board of Directors recommends you vote FOR the following:  1. Election of Directors  Nominees  1a. Shelly D. Guyer  1b. Mark Leschly  1c. William J. Rieflin  The Board of Directors recommends you vote FOR proposal 2.  2. Ratification of the appointment of Ernst & Young LLP as our independent registered public accounting firm for  our fiscal year ending December 31, 2020.  NOTE: Such other business as may properly come before the meeting or any adjournment thereof.


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