LONDON--(Marketwired - Jul 15, 2013) - Henderson Group plc (LSE: HGG)

Henderson Global Investors Limited Acquires Securities of Horizonte
Minerals PLC

TORONTO - July 12, 2013 - Henderson Global Investors Limited
("Henderson") announces certain institutional funds managed by
Henderson (collectively, the "Funds") acquired an aggregate of
60,899,334 ordinary shares ("Shares") in the capital of Horizonte
Minerals PLC ("Horizonte") through the facilities of the AIM market of
the London Stock Exchange and a private placing at an average price of
GBP0.10 per Share.

As a result of these market acquisitions, the Funds owned and the
Offeror exercised control or direction over approximately 15.18% of
401,139,497 issued and outstanding Shares as reported by the Issuer in
its news release dated 11 June 2013 on the GBP3.08million placing to
 fund Horizonte's 100%-owned Araguaia Nickel Project.

The Shares were acquired for investment purposes. Henderson, on behalf
of the Funds, may from time to time acquire additional securities of
Horizonte and/or dispose of such securities as they may deem

For further information:

Balenkosi Dungeni
Henderson Global Investors Limited
Tel: +44 (0)20 78183747

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