BARRICK MINING CORP

Endnotes

1 A Tier One Gold Asset is an asset with a $1,400/oz reserve with potential to deliver a minimum 10-year life, annual production of at least 500,000 ounces of gold and with costs per ounce in the lower half of the industry cost curve. Tier One Assets must be located in a world-class geological district with potential for organic reserve growth and long-term geologically driven addition.

2 A Tier Two Gold Asset is an asset with a reserve with potential to deliver a minimum 10-year life, annual production of at least 250,000 ounces of gold and TCC/oz over the mine life that are in the lower half of the industry cost curve.

3 A Tier One Copper Asset/Project is an asset with a $3.00/lb reserve with potential for +5Mt contained copper in support of at least 20 years life, annual production of at least 200ktpa, with costs per pound in the lower half of the industry cost curve.

4 A Strategic Asset is an asset, which in the opinion of Barrick, has the potential to deliver significant unrealized value in the future.

5 Currently consists of Barrick’s Lumwana mine, Zaldívar and Jabal Sayid joint ventures, and Reko Diq project.

6 Further information on these non-GAAP financial measures, including detailed reconciliations, is included on pages 57 to 69 of this MD&A.

7 Gold COS/oz is calculated as cost of sales across our gold operations (excluding sites in closure or care and maintenance) divided by ounces sold (both on an attributable basis using Barrick’s ownership share). Copper COS/lb is calculated as cost of sales across our copper operations divided by pounds sold (both on an attributable basis using Barrick’s ownership share).

8 TRIFR is a ratio calculated as follows: number of reportable injuries x 1,000,000 hours divided by the total number of hours worked. Reportable injuries include fatalities, lost time injuries, restricted duty injuries, and medically treated injuries. LTIFR is a ratio calculated as follows: number of lost time injuries x 1,000,000 hours divided by the total number of hours worked.

9 Class 1 - High Significance is defined as an incident that causes significant negative impacts on human health or the environment or an incident that extends onto publicly accessible land and has the potential to cause significant adverse impact to surrounding communities, livestock or wildlife.

10 Categories as defined in the Greenhouse Gas Protocol’s Technical Guidance for Calculating Scope 3 Emissions. Achievement of Barrick’s Scope 3 targets will require collaboration with suppliers and customers in our value chain, which are outside of Barrick’s direct control.

11 Preliminary figures and subject to external assurance.

12 All mineral resource and mineral reserve estimates of tonnes, Au oz, Ag oz and Cu Mt are reported to the second significant digit. All measured and indicated mineral resource estimates of grade and all proven and probable mineral reserve estimates of grade for Au g/t, Ag g/t and Cu % are reported to two decimal places. All inferred mineral resource estimates of grade for Au g/t, Ag g/t and Cu % are reported to one decimal place. 2025 polymetallic mineral resources and mineral reserves are estimated using the combined value of gold, copper & silver and accordingly are reported as gold, copper & silver mineral resources and mineral reserves.

13 Estimated in accordance with National Instrument 43-101 -Standards of Disclosure for Mineral Projects as required by Canadian securities regulatory authorities. Estimates are as of December 31, 2025, unless otherwise noted. Proven reserves of 390 million tonnes grading 1.38 g/t, representing 17 million ounces of gold, and 520 million tonnes grading 0.38%, representing 2.0 million tonnes of copper. Probable reserves of 2,300 million tonnes grading 0.91 g/t, representing 68 million ounces of gold, and 3,400 million tonnes grading 0.47%, representing 16 million tonnes of copper. Measured resources of 570 million tonnes grading 1.45 g/t, representing 26 million ounces of gold, and 740 million tonnes grading 0.36%, representing 2.7 million tonnes of copper. Indicated resources of 4,200 million tonnes grading 0.95 g/t, representing 130 million ounces of gold, and 5,300 million tonnes grading 0.40%, representing 21 million tonnes of copper. Inferred resources of 1,300 million tonnes grading 1.0 g/t, representing 43 million ounces of gold, and 1,400