Annual Financial Report

TanzaniteOne Limited

Annual Report and Accounts

TanzaniteOne Limited ("TanzaniteOne" or "the Company") (AIM: TNZ), the gemstones producer and developer, is pleased to announce that its Annual Report and Accounts for the year ended 31 December 2009, together with the notice of the Company's Annual General Meeting (the "AGM") has today been posted to shareholders.

The AGM is to be held at 10.00 a.m. on Friday 6 August 2010 at the Company's registered office, Clarendon House, 2 Church Street, Hamilton, Bermuda.

Copies of the Annual Report and notice of AGM will shortly be made available to download from the Company's website at www.tanzaniteone.com.

For more information, please visit www.tanzaniteone.com or contact:

Willi Boehm, Company Secretary

+61 8 9367 5211

Bernard Olivier, Chief Executive Director

+61 4089 481812

Nominated Adviser and Broker

Ambrian Partners Limited

Richard Greenfield / Jen Boorer

+44 (0) 20 7634 4700

Public Relations

Threadneedle Communications

Laurence Read/ Beth Harris

+44 (0)7979 955 923