Siana Gold Project

Siana Gold is operated by Greenstone Resources Corporation (GRC), majority owned by Red 5 Limited, a Perth Western Australia based Gold Exploration company listed in Australian Stock
Exchange. Siana Gold Mine site is located in Tubod, Surigao del Norte, about 35 kilometers from Surigao City. It is covered by MPSA covering 2,023 hectares of land near Lake Mainit in Surigao del Norte. The Open Pit Project is assessed to potentially generate
3.1M tons of ore at 3.4 grams of gold per ton.

Open Pit Mining contract between Delta and GRC was perfected last July 22, 2010 and Notice to proceed was served on July 26, 2010. The contract covers a total of 10.3 Million Cubic Meters
of Earthmoving works over five (5) years. Delta’s scope of Services includes drilling and blasting, waste and ore excavation, hauling and dumping, stockpiling, storm water and pit drainage
construction, Ore plant feeding, tailings dam construction and maintenance and other Pit Mine related works.

Client: Greenstone Resources Corporation (GRC)

Status: Completed