Original EA Amendment

10 References

[1] WSP, “Wattle Gully TSF Options,” 11 July 2024.

[2] WSP, “Upper Mundic Gully TSF Stage 1 and 2 DBA and CCA,” September 2025.

[3] Bureau of Meteorology, “Design Rainfall Data System (2016),” [Online]. Available: http://www.bom.gov.au/water/designRainfalls/revised-ifd/?multi. [Accessed 2 July 2025].

[4] GHD, “Hydrological assessment of PMF for the Sandstone Gully Tailings Storage Facility, Ref. 12624987, dated 12 November 2021,” 2021. [5] GHD, RE: Mount Morgan TSF - Basis of Design, 2021. [6] Australian National Committee on Large Dams, “Guidelines on the Consequence Categories for Dams,” October 2012. [7] Department of Environment, Tourism, Science and Innovation (DETSI), “Manual for assessing consequence categories and hydraulic performance of structures,” 23 February 2024. [8] WSP Golder, “Detailed Design Report for Sandstone Gully Tailings Storage Facility, Mount Morgan Tailings Retreatment Project,” 29 March 2022. [9] WSP, “Definitive Feasibility Study for Sandstone Gully Tailings Storage Facility, Ref. 213278-WSP-BNE-MNG- REP-022 RevA dated 14 February 2025,” 2025. [10] Australian National Committee on Large Dams, “Guidelines on Tailings Dams - Planning, Design, Operation and Closure, May 2012,” 2012.

Project No PS213278 Upper Mundic Gully TSF Concept Design to RL 390 m Mount Morgan Project Heritage Minerals

WSP October 2025 Page 20

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