Appendix D - Geotechnical Report

                                                                       TEST CERTIFICATE                                                                                  78 / 109 Leitchs Road, Brendale, QLD
                                                                                                                                                                                                4500 Australia
                                    This document is issued by the Company subject to its General Conditions of Service. Attention is drawn to the limitations of
                                      liability, indemnification and jurisdictional issues established therein. The results of the tests performed apply only to the
                                      specific sample at the time of test unless otherwise clearly stated. This document shall not be reproduced, except in full.
                                         The Company's sole responsibility is to its Client and this document does not exonerate parties to a transaction from
                                    exercising all their rights and obligations under the transaction documents. Any unauthorized alteration, forgery or falsification
                                     of the content or appearance of this document is unlawful and offenders may be prosecuted to the fullest extent of the law.


Client:          Tectonic Geotechnical Pty Ltd                    Job No:          002552                                                          Sample ID:        00009127
Address:         924 David Low Way Marcoola                       Lot No:          0.20 - 0.30m                                                    Client Sample ID: TP2
                 Queensland 4564                                  Material Source: Black Mountain, QLD                                             Sample Method: Sampled by Client
Site:            Office - 924 David Low Way, Marcoola             Material Type: Insitu Material                                                   Sampled Date: 04/03/2026
Order No:        26073                                            Description:     See Note below                                                  Tested Date:      16/03/2026
Order Name:      Black Mountain Range Road, Black                 Lithology:       -
                 Mountain




                                         Atterberg Limits with Linear Shrinkage
                      Method:                                                            AS1289.3.1.2, 3.2.1, 3.3.1, 3.4.1, Q252
                      Liquid Limit (%):                                                  57
                      Plastic Limit (%):                                                 30
                      Plasticity Index (%):                                              28
                      Linear Shrinkage (%):                                              9.5
                      Weighted Plasticity Index (%):                                     2662
                      Length of Mould (mm):                                              250
                      History of Sample:                                                 Oven-Dried
                      Method of Preparation:                                             Dry-Sieved
                      Nature of the Shrinkage:                                           Linear

                                       Note: CH CLAY, trace gravel, trace sand, red brown, high plasticity




Approved Signatory:                                                          (Adrian Collier, Principal Consultant)                                                                 Date: 24/03/2026




                                                                                                                                                                                  Site No.: 24729
Accreditation No.: 20630
                                                                                                                                                                          Cert No.: 065-00009127
Accredited for compliance with ISO / IEC 17025 - Testing
                                                                                                                                                          Form No.: GWB-FMR-065 v.2.0 08.12.2020


                                                                                         Page 1 of 1