Exhibit 7.4

Execution Copy

THIRD AMENDMENT TO MERGER AGREEMENT

This Third Amendment to Merger Agreement (this “Third Amendment”) is made and entered into as of May 22, 2018 (the “Effective Date”), by and among (i) Origo Acquisition Corporation, a Cayman Islands company (including the Successor from and after the Conversion (as defined below), “OAC”), (ii) Hightimes Holding Corp., a Delaware corporation (the “Company”), (iii) HTHC Merger Sub, Inc., a Delaware corporation and a newly-formed wholly-owned subsidiary of OAC (“Merger Sub”), and (iv) Jose Aldeanueva, solely in the capacity as the OAC Representative pursuant to the designation in Section 10.13 (the “OAC Representative”). OAC, the Company, Merger Sub and the OAC Representative is hereinafter sometimes individually referred to as a “Party” and collectively, as the “Parties.”

WITNESSETH:

NOW, THEREFORE, in consideration of the premises set forth above, which are incorporated in this Third Amendment as if fully set forth below, and in accordance with Section 10.8 of the Merger Agreement, the Parties hereby agree to amend the Merger Agreement as follows:

1.       Unless otherwise expressly defined herein, all capitalized terms used in this Amendment shall have the same meaning as they are defined in the Merger Agreement.

2.       Subsection 8.1(b) and Subsection 8.1(c) of the Merger Agreement are hereby deleted in their entirety and replaced with the following Subsection 8.1(b) and Subsection 8.1(c); it being understood by the Parties that all of the remaining subsections in Section 8.1 shall remain in full force and effect and are incorporated herein by this reference:

“8.1           Termination. This Agreement may be terminated and the transactions contemplated hereby may be abandoned at any time as follows:

(b)          by written notice by OAC to the Company, if any of the conditions to the Closing set forth in Article VII have not been satisfied or waived by September 12, 2018, assuming OAC receives the approval of its stockholders for the extension to September 12, 2018, and if such approval has not been obtained, such earlier date as has been approved by OAC’s stockholders (the “Outside Date”); provided, however, the right to terminate this Agreement under this Section 8.1(b) shall not be available to OAC if the breach or violation by such Party or its Affiliates of any representation, warranty, covenant or obligation under this Agreement was the cause of, or resulted in, the failure of the Closing to occur on or before the Outside Date;

(c)       by the Company, immediately upon written notice given by the Company to OAC, at any time from and after April 15, 2018, (the “Company Termination Date”);

3. No Further Amendment. Except as expressly amended pursuant to the terms of this Amendment, all of the terms and conditions of the Merger Agreement shall remain unmodified and shall remain in full force and effect.

Signature page follows

Execution Copy

IN WITNESS WHEREOF, each Party hereto has caused this Third Amendment to Merger Agreement to be signed and delivered by its respective duly authorized officer as of the date first above written.

[Signature Page to Third Amendment to Merger Agreement]