Additional Information and Where to Find It This communication may be deemed to be solicitation material in respect of the proposed issuance of shares for Assertio and the proposed Merger for Zyla. The proposed issuance of shares will be submitted to Assertio's stockholders and the proposed Merger will be submitted to Zyla's stockholders for their consideration. In connection with the proposed Merger and the solicitation of proxies, Assertio and Zyla have filed, and mailed to their respective stockholders, the Joint Proxy Statement/Prospectus dated April 20, 2020.