MyDx, Inc. (OTCBB:MYDX) announced that it has entered into a securities purchase agreement for a private placement of an 8% unsecured convertible promissory note at a price of $80,000 per note for gross proceeds of $80,000 with existing investor GS Capital Partners LLC on December 19, 2018. The note will be issued at original issue discount of $2,000 over principal amount of $82,000. The notes are convertible into shares of the company. The note will mature on December 19, 2019. The note may be prepaid until 270 days from the issuance date. The company will issue securities pursuant to Section 4(a)(2) of the Securities Act. The company will pay legal fees of $4,000 and raised net proceeds of $76,000.