20260112_ARCI_Laporan Bulanan Aktivitas Eksplorasi_32019186_lamp2.pdf

                                                                       No. 0002/ARCHI/1/2026/G
PT Archi Indonesia Tbk. (the ”Company” or “ARCI”) owns 100% of Toka Tindung Gold Mine,
a gold mine located approximately 35 kilometers northeast of Manado, North Sulawesi,
through the Company’s wholly-owned subsidiaries, PT Meares Soputan Mining (“MSM”) and
PT Tambang Tondano Nusajaya (“TTN”).
Toka Tindung Gold Mine consists of two Contract of Works (“CoWs”) covering 39,817
hectares, which cover into two administration areas in North Sulawesi, North Minahasa and
Bitung City districts (Figure 1). The CoWs are valid until 2041 and held by MSM and TTN.
Pursuant to the Mining Law Amendment, MSM and TTN have been guaranteed two times
extensions of the CoWs in the form of Special Mining Business License/Izin Usaha
Pertambangan Khusus (“IUPK”), each for maximum period of 10 years.
                Figure 1. Map Location of MSM and TTN’s Contract of Works




Exploration activities carried out by the Company, through its subsidiaries, which are MSM
and TTN, from January to December 2025 were focused on exploration and drilling activities
to increase resources and reserves in Eastern Corridor Area and in Western Corridor Area.

                                                                           No. 0002/ARCHI/1/2026/G
Below are the details of drilling activities from January to December 2025 with total 397 holes
and 85,893 meters were as follow:

   •    In the first quarter 2025, ARCI had conducted drilling at 84 holes with a total depth of
        19,833 meters.
   •    In the second quarter 2025, ARCI had conducted drilling at 106 holes with a total depth
        of 20,742 meters.
   •    In the third quarter 2025, ARCI had conducted drilling at 107 holes with a total depth
        of 22,599 meters.
   •    In the fourth quarter 2025, ARCI had conducted drilling at 100 holes with a total depth
        of 22,719 meters.
Drilling activities for gold Resource Definition and Exploration, involved Diamond Drilling
(“DD”) and Reverse Circulation (“RC”) drilling methods, conducted by PT Maxidrill Indonesia.
The detailed number of drill holes and drilling meters for each drilling method are shown in
Table 1.
  Table 1. Drilling Results Details for the Period January to December 2025 Based on Drilling
                                              Method

                                 Diamond Drilling (DD)           Reverse Circulation (RC)
          Period
                               Number of          Drilling       Number of          Drilling
                               Drill Holes        Meters         Drill Holes        Meters

 1st Quarter 2025                   34             10,761             50            9,072
 2nd Quarter 2025                   43             10,347             63            10,395
 3rd Quarter 2025                   44             9,592              63            13,007
 4th Quarter 2025                   43             9,622              57            13,097
 TOTAL                             164             40,322            233            45,571

Total Exploration cost from January 2025 to December 2025 approximately US$10 million.

Based on the drilling results carried out by the Company from January to December 2025, the
following is a summary of the significant discoveries:

   1.   Interval of 18.70m with a gold grade of 6.72 g/t at a depth of 153.70m - 172.40m
   2.   Interval of 11.10m with a gold grade of 13.66 g/t at a depth of 218.40m - 229.50m
   3.   Interval of 5.40m with a gold grade of 26.57 g/t at a depth of 232.40m - 237.80m
   4.   Interval of 28.65m with a gold grade of 4.59 g/t at a depth of 1676.75m - 195.40m
   5.   Interval of 37.80m with a gold grade of 7.20 g/t at a depth of 178.70m - 216.50m
   6.   Interval of 19.00m with a gold grade of 9.15 g/t at a depth of 174.00m – 193.00m
   7.   Interval of 23.00m with a gold grade of 5.93 g/t at a depth of 190.00m – 213.00m
   8.   Interval of 13.00m with a gold grade of 16.26 g/t at a depth of 217.50m – 230.50m