DIADEM ANNOUNCES TSX VENTURE EXCHANGE APPROVAL SHARES FOR DEBT

MONTREAL, August 28, 2012 – Diadem Resources Ltd. (TSX-V: “DRL”)

Diadem Resources Ltd. (“Diadem”) announces today that further to its Press Release of August
8, 2012, the TSX Venture Exchange has approved Diadem’s issuance of 2,500,000 shares to a
former officer and director to settle outstanding debt of $219,670.

Such shares were issued as of August 16, 2012 and the related debt has been extinguished.

All shares issued pursuant to this debt settlement are subject to a four (4) month hold period
commencing August 16, 2012.

Inclusive of the aforementioned issuance, Diadem would have issued and outstanding
50,008,848 common shares and, on a fully-diluted basis, Diadem would have 57,450,515
common shares outstanding.

Additional information about Diadem Resources Ltd. may be found under Diadem’s profile on www.sedar.com