Acquisition

Alumasc Group PLC
01 April 2008


1 April 2008


             Alumasc acquires a leading UK supplier of green roofs


The Alumasc Group plc (ALU.L), the premium building and engineering products
group, announces that it has further expanded its presence in the sustainable
building product arena through the acquisition of Blackdown Horticultural
Consultants Limited ("Blackdown"), a leading UK supplier of green roofs, for
cash consideration of £2 million.

Green roofs improve a building's thermal performance, increase rainwater
retention thereby reducing storm water run-off, and reduce the life-cycle costs
of a roof by protecting it from climatic changes, UV light and mechanical
damage. In addition, they provide wider benefits, such as helping to reduce the
heat island effect within cities, increasing the absorption of CO2, increasing
biodiversity and improving the built environment more generally. The Mayor of
London announced on 27 February 2008 that he expects planning applications for
all major developments in London to incorporate living roofs where feasible.

Blackdown specialises in extensive green roofs, which are lightweight, require
limited maintenance and no artificial irrigation. This type of green roof
represents around two-thirds of the UK green roof market. The acquisition will
complement Alumasc's leading position in the intensive green roof market through
the ZinCo brand. Intensive green roof systems tend to be more complex than
extensive green roofs, including a need for irrigation, and usually provide an
amenity for building occupiers.

The combination of Blackdown with Alumasc's existing business will therefore
provide greatly increased access to the rapidly expanding green roof market,
whilst boosting demand for Alumasc's market leading waterproofing brands,
Hydrotech and Derbigum, which are frequently specified as part of green roof
systems. This will enable Alumasc to supply clients with a complete roofing
package from a single source. Alumasc will support Blackdown to realise its
growth potential through the provision of group resources in the areas of
marketing and market development, technical support and administration.

Blackdown's existing management team, including its two founder directors, John
Williams and Alun Tarr, will continue to manage the business under the
"Blackdown" and "Greenroof" brands. They bring with them unique expertise in the
plant technology and science associated with green roof specifications, and a
proven track record in the supply and installation of high quality green roof
systems. Further information on Blackdown can be found at www.greenroof.co.uk.

In the year to September 2007, Blackdown's audited revenues more than doubled to
£1.5 million, with operating profits reaching almost £0.4 million. Net assets at
30 September 2007 were £0.3 million. Of the total acquisition consideration of
£2 million, £0.25 million will be deferred until the end of Blackdown's current
financial year to September 2008. Alumasc is funding the acquisition through
existing committed debt facilities and expects the acquisition to be earnings
enhancing within the first year of ownership.

Paul Hooper, Chief Executive of The Alumasc Group, said: "Blackdown is an
excellent strategic fit for Alumasc, and increases the group's presence in one
of the fastest growing markets in the sustainable building product arena.
Blackdown will complement Alumasc's existing green roof business, and we are
delighted to welcome into the group all of the Blackdown team, who bring with
them unrivalled expertise in this exciting market niche."


Notes for Editors:

Alumasc's sustainable building products facilitate energy and water management.
The principal energy management products are Levolux solar shading systems
(acquired in May 2007), MR Facades external wall insulation systems, and ZinCo
and Blackdown green roofs. The principal water management products are Gatic
Slotdrain, Harmer and SML drains, Alumasc aluminium and Apex cast iron rainwater
products, and Hydrotech and Derbigum waterproofing products. Hydrotech and
Derbigum are frequently specified as part of green roof systems.

Photographs:

Photographs of Blackdown extensive green roofs are available from Rose Oddy of
Bankside Consultants, by email to [e-mail]

Enquiries:

The Alumasc Group plc                                               01536 383844
Paul Hooper (Chief Executive)                                 [e-mail]
Andrew Magson (Finance Director)

Bankside Consultants Limited
Charles Ponsonby                                                   020 7367 8851
                                                   [e-mail]





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