[THIS ADHERENCE AGREEMENT Agreement (1) NEW ESSENTIAL HOLDINGS LIMITED (2) EMBONA HOLDINGS (MALAYSIA) LIMITED (3) SUFFOLK DRAGON VENTURES LTD (4) TOP BEST DEVELOPMENT LIMITED New Member (each a “ RECITALS: Annex A Existing Parties Consortium Agreement Transaction Target Nasdaq WHEREAS, the parties listed at Section 1.04 WHEREAS, the New Members now wish to participate in the Transaction contemplated under the] [JOINDER AGREEMENT Joinder Original Reporting Persons Additional Reporting Persons This JOINDER AGREEMENT (the “ Consortium Agreement Transaction Joint Filing Agreement NOW, THEREFORE, in consideration of the premises and of the mutual covenants and agreements of the parties herein contained, the parties hereby agree as follows: 1. Effective immediately, the Additional Reporting Persons are joined as parties to the Joint Filing] [CUSIP No. 00507E107 1. Names of Reporting Persons New Essential Holdings Limited 2. Check the Appropriate Box if a Member of a Group (a) ☐ (b) ☐ 3. SEC Use Only 4. Source of Funds OO 5. ☐ 6. Citizenship or Place of Organization British Virgin Islands Number of 7. Sole Voting Power 8.]