Project Number: 52

Deposit Number: 46

Location: Phalaborwa, South Africa

Resource (*10^4 t, REO, Total): 16.5

Grade (wt. %): 0.43

La2O3: 20.3477494422127

Ce2O3: 39.7231001274634

Pr6O11: 5.70794323449167

Nd2O3: 23.6570004707638

Sm2O3: 4.50546277868443

Eu2O3: 1.1129249576225

Gd2O3: 2.68508147830839

Tb4O7: 0.295083354603029

Dy2O3: 1.20595447214032

Ho2O3: 0.198741021368133

Er2O3: 0.401445190794565

Yb2O3: 0.145620257107347

Lu2O3: 0.0138932144397061

HREE Percentage: 4.9458189887615

REE Pattern Reference: Jaireth et al., 2014, OGR

Project and Status Reference: Rainbow Rare Earths, Corporate-Presentation, 2022, https://www.rainbowrareearths.com/wp-content/uploads/2022/03/2022-03-Rainbow-Corporate-Presentation_v2.pdf

Deposit Type Reference: Eriksson, S. C. (1984). Age of carbonatite and phoscorite magmatism of the Phalaborwa Complex (South Africa). Chemical geology, 46(4), 291-299.

Resource and Grade Reference: Rainbow Rare Earths, Corporate-Presentation, 2022, https://www.rainbowrareearths.com/wp-content/uploads/2022/03/2022-03-Rainbow-Corporate-Presentation_v2.pdf