Issue confirmation

MARIANA RESOURCES LIMITED 16 December 2009. AIM and PLUS: MARL Issue of Equity Mariana Resources Ltd (?Mariana Resources? or ?the Company?), the AIM quoted exploration and development company focussed in Argentina and Chile, advises that the final tranche of 3,300,000 shares that formed part of the £2.9 million placement of 22,700,000 shares at 13 pence per share, announced on 16  November 2009, has now been settled and the shares issued. The Company further announced on 30 November 2009 that it had entered into an agreement with IAMGOLD Corporation (?IAMGOLD?) giving Mariana Resources the option to acquire the remaining 30% interest held by IAMGOLD in the Santa Cruz Joint Venture in the emerging Deseado Massif gold-silver district in Southern Argentina.  The 1,000,000 shares in Mariana Resources as consideration for the option have been issued at an implied price of 14.82 pence per share. The total issued capital of the Company now comprises 128,228,235 ordinary fully paid shares. **ENDS** John Horsburgh (Chairman) Mariana Resources Plc +61 2 94374588 John Sutcliffe (MD) Mariana Resources Plc +593 99 808080 Rob Adamson RFC Corporate Finance +61 2 9250 0041 Limited (Nomad) Will Souter RFC Corporate Finance +61 2 9250 0050 Limited (Nomad) Joe Lunn (Analyst)                  FinnCap (Broker) +44 20 7600 1658 Matthew Robinson                   FinnCap (Broker) +44 20 7600 1658 Felicity Edwards St Brides Media and +44 20 7236 1177 Finance Ltd Hugo De Salis St Brides Media and +44 20 7236 1177 Finance Ltd [HUG#1362239]