Registration Statement Amendments. After the date of this Agreement and during any period in which a Prospectus relating to any Placement Shares is required to be delivered by Cowen under the Securities Act (including in circumstances where such requirement may be satisfied pursuant to Rule 172 under the Securities Act), # the Company will notify Cowen promptly of the time when any subsequent amendment to the Registration Statement, other than documents incorporated by reference, has been filed with the Commission and/or has become effective or any subsequent supplement to the Prospectus has been filed and of any request by the Commission for any amendment or supplement to the Registration Statement or Prospectus or for additional information; # the Company will prepare and file with the Commission, promptly upon Cowen’s request, any amendments or supplements to the Registration Statement or Prospectus that, in Cowen’s reasonable opinion, may be necessary or advisable in connection with the distribution of the Placement Shares by Cowen (provided, however, that the failure of Cowen to make such request shall not relieve the Company of any obligation or liability hereunder, or affect Cowen’s right to rely on the representations and warranties made by the Company in this Agreement); # the Company will not file any amendment or supplement to the Registration Statement or Prospectus, other than documents incorporated by reference, relating to the Placement Shares or a security convertible into the Placement Shares unless a copy thereof has been submitted to Cowen within a reasonable period of time before the filing and Cowen has not reasonably objected thereto (provided, however, that the failure of Cowen to make such objection shall not relieve the Company of any obligation or liability hereunder, or affect Cowen’s right to rely on the representations and warranties made by the Company in this Agreement, and provided further, however, that the Company shall not be required to provide Cowen with any copy of any such document in advance if the filing does not name Cowen, does not relate to the transactions contemplated by this Agreement or is being filed in connection with a separate offering pursuant to the same Registration Statement) and the Company will furnish to Cowen at the time of filing thereof a copy of any document that upon filing is deemed to be incorporated by reference into the Registration Statement or Prospectus, except for those documents available via EDGAR; and # the Company will cause each amendment or supplement to the Prospectus, other than documents incorporated by reference, to be filed with the Commission as required pursuant to the applicable paragraph of Rule 424(b) of the Securities Act.

Registration Statement Effective. The Registration Statement shall be effective and shall be available for # all sales of Placement Shares issued pursuant to all prior Placement Notices and # the sale of all Placement Shares contemplated to be issued by any Placement Notice.

Initial Mandatory Registration. The Company shall prepare, and, as soon as reasonably practicable but in no event later than the Initial Filing Deadline, file with the SEC the Initial Registration Statement on Form S-3 covering the resale of all of the Initial Registrable Securities. In the event that Form S-3 is unavailable for such a registration in accordance with SEC Guidance, the Company shall use such other appropriate form as is available for such a registration in accordance with SEC Guidance, subject to the provisions of [Section 2(d)]. The Initial Registration Statement prepared pursuant hereto shall register for resale at least the number of shares of Common Stock equal to the Initial Required Registration Amount determined as of the Business Day prior to the date the Initial Registration Statement is initially filed with the SEC (the “Initial Filing Determination Date”), subject to adjustment as provided in [Section 2(e)]. Not later than five Business Days prior to the anticipated Initial Filing Determination Date, the Company shall provide written notice to the Investors of such anticipated Initial Filing Determination Date. Each Investor shall notify the Company of the number of Initial Registrable Securities to be included by it in such Initial Registration Statement (and shall provide such other information as is required by [Section 4(a)]) not later than the third Business Day after receipt of such notice from the Company. The Company shall use its commercially reasonable efforts to have the Initial Registration Statement declared effective by the SEC as soon as reasonably practicable, but in no event later than the Initial Effectiveness Deadline. By the end of the Business Day following the Initial Effective Date, the Company shall file with the SEC, in accordance with SEC Guidance, a final prospectus to be used in connection with sales pursuant to such Initial Registration Statement.

“Initial Registration Statement” means the initial Registration Statement filed pursuant to this Agreement.

Registration Statement and Prospectus. The transactions contemplated by this Agreement meet the requirements for and comply with the conditions for the use of Form S-3 under the Securities Act. The Registration Statement has been filed with the Commission and has been declared effective under the Securities Act. The Prospectus Supplement will name the Agent as the agent in the section entitled “Plan of Distribution.” The Company has not received, and has no notice of, any order of the Commission preventing or suspending the use of the Registration Statement, or threatening or instituting proceedings for that purpose. The Registration Statement and the offer and sale of Placement Shares as contemplated hereby meet the requirements of Rule 415 under the Securities Act and comply in all material respects with said Rule. Any statutes, regulations, contracts or other documents that are required to be described in the Registration Statement or the Prospectus or to be filed as exhibits to the Registration Statement have been so described or filed, as applicable. Copies of the Registration Statement, the Prospectus, and any such amendments or supplements and all documents incorporated by reference therein that were filed with the Commission on or prior to the date of this Agreement have been delivered, or are available through EDGAR, to the Agent and its counsel. The Company has not distributed and, prior to the later to occur of each Settlement Date and completion of the distribution of the Placement Shares, will not distribute any offering material in connection with the offering or sale of the Placement Shares other than the Registration Statement and the Prospectus and any Issuer Free Writing Prospectus (as defined below) to which the Agent has consented, which consent will not be unreasonably withheld or delayed, or that is required by applicable law or the listing maintenance requirements of the Exchange. The Common Stock is currently quoted on the Exchange under the trading symbol “EAST.” The Company has not, in the 12 months preceding the date hereof, received notice from the Exchange to the effect that the Company is not in compliance with the listing or maintenance requirements of the Exchange. To the Company’s knowledge, it is in compliance with all such listing and maintenance requirements.

This Policy will be effective as of the effective date of the registration statement in connection with the initial public offering of the Company’s securities (the “Registration Statement”).

Initial Public Offering means the initial public offering of Shares registered on Registration Statement No. 333-​ on Form S-11.

“Registration Statement” means the initial Registration Statement required to be filed hereunder and any additional registration statements filed pursuant to the Securities Purchase Agreement, including (in each case) the Prospectus, amendments and supplements to such registration statement or Prospectus, including pre- and post- effective amendments, all exhibits thereto, and all material incorporated by reference or deemed to be incorporated by reference in such registration statement.

Registration Statement means the registration statement filed by the Company with the SEC on Form S-11 (Reg. No. ​-​), as amended from time to time, in connection with the Initial Public Offering.

“Effectiveness Date” means, with respect to the initial Registration Statement required to be filed hereunder, the 120th calendar day following the date hereof.