Ladies and Gentlemen:
The undersigned hereby tenders to Supernus Reef, Inc., a Delaware corporation (“Purchaser”) and wholly owned subsidiary of Supernus Pharmaceuticals, Inc., a Delaware corporation (“Supernus”), the above-described shares of common stock, par value $0.001 per share (the “Shares”), of Adamas Pharmaceuticals, Inc., a Delaware corporation (“Adamas”), in exchange for (a) $8.10 per Share, cash, without interest and less any applicable withholding taxes (the “Cash Amount”), plus (b) two contingent value rights per Share (each, a “CVR”), each of which represents the contractual right to receive a contingent payment of $0.50, in cash, without interest and less any applicable withholding taxes, which amount (or such lesser amount as determined in accordance with the terms and conditions of a contingent value rights agreement to be entered into with a rights agent mutually agreeable to Supernus and Adamas) will become payable, if at all, if certain specified milestones are achieved prior to each of December 31, 2024 and December 31, 2025, as applicable (the “Offer Price”), upon the terms and subject to the conditions set forth in the Offer to Purchase by Purchaser, dated October 25, 2021, which the undersigned hereby acknowledges the undersigned has received (the “Offer to Purchase,” which, together with this Letter of Transmittal and other related materials, as each may be amended, supplemented or modified from time to time, collectively constitute the “Offer”). The Offer expires one minute following 11:59 P.M., Eastern Time, on the Expiration Date. “Expiration Date” means November 23, 2021, unless the expiration of the Offer is extended to a subsequent date in accordance with the terms of the Agreement and Plan of Merger, dated October 10, 2021, by and among Supernus, Adamas and Purchaser (the “Merger Agreement”), in which event the term “Expiration Date” means such subsequent date.
Upon the terms and subject to the conditions of the Offer (including, if the Offer is extended or amended, the terms and conditions of such extension or amendment), subject to, and effective upon, acceptance for payment of the Shares validly tendered herewith, and not properly withdrawn, prior to the Expiration Date in accordance with the terms of the Offer, the undersigned hereby sells, assigns and transfers to, or upon the order of, Purchaser, all right, title and interest in and to all of the Shares being tendered hereby and any and all dividends, distributions, rights, other Shares or other securities issued or issuable in respect of such Shares on or after the date hereof (collectively, “Distributions”). In addition, the undersigned hereby irrevocably appoints American Stock Transfer & Trust Company, LLC (the “Depositary”) the true and lawful agent and the attorney-in-fact and proxy of the undersigned with respect to such Shares and any and all Distributions with full power of substitution (such proxies and power of attorney being deemed to be an irrevocable power coupled with an interest in the tendered Shares and any Distributions) to the full extent of such stockholder’s rights with respect to such Shares and any Distributions (a) to deliver certificates representing such Shares (the “Share Certificates”) and any and all Distributions, or transfer of ownership of such Shares and any and all Distributions on the account books maintained by The Depository Trust Company (“DTC”), together, in either such case, with all accompanying evidence of transfer and authenticity, to or upon the order of Purchaser, (b) to present such Shares and any and all Distributions for transfer on the books of Adamas, and (c) to receive all benefits and otherwise exercise all rights of beneficial ownership of such Shares and any Distributions, all upon the terms and subject to the conditions of the Offer.
Purchaser reserves the right to require that, in order for Shares to be deemed validly tendered, immediately upon Purchaser’s acceptance for payment of such Shares, Purchaser must be able to exercise full voting, consent and other rights, to the extent permitted under applicable law, with respect to such Shares and any and all Distributions, including voting at any meeting of stockholders or executing a written consent concerning any matter.
The undersigned hereby represents and warrants that the undersigned has full power and authority to tender, sell, assign and transfer any and all of the Shares tendered hereby and any and all Distributions and, when the same are accepted for payment by Purchaser, Purchaser will acquire good, marketable and unencumbered title thereto, free and clear of all liens, restrictions, charges and encumbrances, and that the same will not be subject to any adverse claim. The undersigned hereby represents and warrants that the undersigned is the registered owner of the Shares, or the Share Certificate(s) have been endorsed to the undersigned in blank, or the undersigned is a participant in DTC whose name appears on a security position listing as the owner of the Shares. The undersigned will, upon request, execute and deliver any additional documents deemed by the Depositary or Purchaser to be necessary or desirable to complete the sale, assignment and transfer of any and all of the Shares tendered hereby and any and all Distributions. In