ABN 48 116 296 541

1 June 2011

The Manager ASX Limited Exchange Plaza

Level 8, 2 The Esplanade

PERTH WA 6000

REQUEST FOR TRADING HALT – MINEMAKERS LIMITED

In accordance with ASX Listing Rule 17.1 we request an immediate trading halt pending an announcement regarding the development of the Company’s Wonarah Rock Phosphate Project.

The Company requests that the trading halt end on the earlier of the commencement of normal trading on Friday, 3 June 2011, or when the anticipated announcement referred to above is released to the market.

The Company is not aware of any reason why the trading halt should not be granted, nor of any other information necessary to inform the market about the trading halt.

Should you have any queries or require any clarification please call me directly on (08) 9389

2123.

Yours faithfully

John Ribbons

Company Secretary

street address: Level 2, 34 Colin Street, West Perth WA 6005 postal Address: PO Box 1704 West Perth WA 6872 phone: (08) 9264 7000 Fax: (08) 9264 7099 email: frontdesk@minemakers.com.au