Chatham Selenium Exploration Permit at Gunnerside Granted

NEWS RELEASE 23 04 February 28, 2023



CRP’S PACIFIC RARE EARTHS GUNNERSIDE
SELENIUM EXPLORATION PERMIT GRANTED

WELLINGTON, New Zealand – Chatham Rock Phosphate Limited (TSXV: “NZP” and NZX:
“Chatham” or the “Company") selenium prospects have taken another great step forward
with the grant of exploration area EPM 28676 in Queensland.

Exploration area EPM28676, near Hughenden in northern Queensland, with outcropping
beds of the seleniferous Toolebuc Formation limestones, is one of only two recognized
hotspots in Australia for highly seleniferous soils. The other hotspot is at Tambo where the
Company already holds EPM28606 covering 196 sq km.

Exploration Licence EMP28676 covers an area of 19.6 sq km in the Richmond-Hughenden
region of North Queensland nominating selenium as the target.

This area, located on the local grazing/farming property of “Gunnerside” Station, is
transected by the Flinders Highway and the Townsville – Mt Isa rail line and is well served by
local infrastructure in the town of Hughenden 20 km east of the area.

The shallow dipping and outcropping beds of Toolebuc limestone are up to 20m thick.
There is extensive existing geological data to the north and west of our EMP28676, mostly
from current and past vanadium exploration.

The exploration program will commence with soil sampling to identify drill sites.

The inclusion of selenium in the Queensland Government schedule of New Economy
Minerals (NEM) recognizes the significance of the mineral to the State. Selenium is to be
found in its inorganic state as in the seleniferous Toolebuc Formation and in the organic state
in certain plants.

The Company has an interest in both forms, both inorganic and organic since selenium has
application in new technologies as well as in fertilizers and supplements for livestock in
selenium deficient areas of Australia and New Zealand.

Pacific Rare Earths

Chatham’s wholly-owned Australian subsidiary, Avenir Makatea Pty Ltd., trading as Pacific
Rare Earths, made the application.

Pacific Rare Earths Limited (PRE) is the umbrella company for our existing rare earth elements
projects at Korella North and Korella South in Queensland, the Chatham Rise project offshore
New Zealand and the selenium projects at Tambo and Gunnerside (Hughenden).

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For further information please contact:

Chris Castle, President & CEO
Chatham Rock Phosphate Limited
64 21 55 81 85 or chris@widespread.co.nz
www.rockphosphate.co.nz



Statements about the Company's future expectations and all other statements in this press release other than
historical facts are "forward looking statements". Such forward-looking statements are based on numerous
assumptions, and involve known and unknown risks, uncertainties and other factors, including risks inherent in
mineral exploration and development, which may cause the actual results, performance, or achievements of the
Company to be materially different from any projected future results, performance, or achievements expressed
or implied by such forward-looking statements.

Neither the Exchange, its Regulation Service Provider (as that term is defined under the policies of the Exchange),
or NZX Limited has in any way passed upon the merits of the Transaction and associated transactions, and has
neither approved nor disapproved of the contents of this press release.