Corbus Pharmaceuticals Holdings, Inc.

2021 Annual Meeting Proxy Voting

This proxy is solicited by the Board of Directors. The undersigned appoints Yuval Cohen and Sean Moran, and each of them, as proxies, each with the power to appoint his substitute, and authorizes each of them to represent and to vote, as designated on the reverse hereof, all of the shares of common stock of Corbus Pharmaceuticals Holding, Inc. held of record by the undersigned at the close of business on March 31, 2021 at the Annual Meeting of Stockholders of Corbus Pharmaceuticals Holdings, Inc. to be held virtually at on May 19, 2021, or at any adjournment thereof.
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