CDN Resource Laboratories

Gold Standards & Platinum Group Metal Standards

Standard Au g/t Ag g/t Pt g/t Pd g/t Inventory

CDN-BL-7 < 0.01 < 0.01 < 0.01 < 0.01 300 kg

CDN-GS-P2 0.214 - - - 445 kg

CDN-GS-P3A 0.338 - - - 425 kg

CDN-GS-P7B 0.71 13.4 - - 750 kg

CDN-GS-1F 1.16 - - - 540 kg

CDN-GS-2E 1.52 - - - 15 kg

CDN-GS-2F 2.16 - - - 110 kg

CDN-GS-2G 2.26 - - - 435 kg

CDN-GS-3G 2.59 - - - 430 kg

CDN-GS-3F 3.10 - - - 15 kg

CDN-GS-4B 3.77 - - - 650 kg

CDN-GS-4C 4.26 (ICP)
4.25 (Grav.) - - - 425 kg

CDN-GS-5F 5.30 (ICP)
5.27 (Grav.) - - - 540 kg

CDN-GS-6A 5.69 (ICP)
5.79 (Grav.) - - - 750 kg

CDN-GS-6B 6.45 - - - 430 kg

CDN-GS-7B 6.42 (ICP)
6.37 (Grav.) - - - 720 kg

CDN-GS-8A 8.25 - - - 635 kg

CDN-GS-11A 11.21 - - - 445 kg

CDN-GS-13A 13.20 - - - 758 kg

CDN-GS-14A 14.90 - - - 620 kg

CDN-GS-15B 15.98 - - - 495 kg

CDN-GS-20A 21.12 - - - 320 kg

CDN-GS-22 22.94 - - - 765 kg

CDN-GS-30B 29.21 - - - 535 kg

CDN-GS-60 57.49 - - - 150 kg

CDN-PGMS-15 ** 0.41 ** - 0.098 0.428 100 kg

CDN-PGMS-19 0.230 - 0.108 0.478 485 kg

CDN-PGMS-18 0.517 - 0.329 1.42 330 kg

CDN-PGMS-17 0.927 - 0.998 4.30 220 kg

** Note: CDN-PGMS-15: Au value is "provisional" only (RSD = 8.96%)

Important Note:

Standards with an RSD of near or less than 5 % are certified, RSD’s of between 5 % and 15 % are Provisional, and RSD’s over 15 % are Indicated. Provisional and Indicated values cannot be used to monitor accuracy with a high degree of certainty.

Custom Standards: prepared for a specific ore supplied by a customer.