Ann: Vessel Redelivery Shines Spotlight on Technology, page-65

The number of unquoted securities is substantially less than 180 million (around 73 million) according to the document lodged on 9 July 2021 (extract below):

4.1 Quoted +securities (total number of each +class of +securities quoted on ASX following the +quotation of the
+securities subject of this application)
ASX +security code and description
Total number of
+securities on issue
HTG : ORDINARY FULLY PAID 522,056,844

4.2 Unquoted +securities (total number of each +class of +securities issued but not quoted on ASX)
ASX +security code and description
Total number of
+securities on issue
HTGAE : OPTION EXPIRING VARIOUS DATES EX VARIOUS PRICES 6,260,000
HTGAF : PERFORMANCE RIGHTS 56,000,000
HTGAG : CONVERTIBLE NOTES 4,000,000
HTGAN : OPTION EXPIRING 18-FEB-2023 EX $0.10 1,920,000
HTGAL : OPTION EXPIRING 30-NOV-2021 EX $0.12 500,000
HTGAM : OPTION EXPIRING 18-FEB-2023 EX $0.065 3,840,000