December 12, 2011

Suzlon Group wins 35 MW UK contracts

Pune / Edinburgh: Suzlon Group’s wholly owned subsidiary, REpower, has signed deals for a total of
35 MW to supply wind turbines for Hall Farm, developed by Ridgewind/HG Capital, and Earls Hall
Farm, developed by Renerco in the UK. The 10.25 MW wind farm at Earls Hall Farm near Clacton-onSea
in Essex, will see REpower supply five MM92 turbines. The larger development at Hall Farm,
located 5 km north of Beverly, North Humberside, will have a capacity of 24.6 MW, and consist of 12
MM82 REpower turbines.

This is the first contract REpower has signed with Germany-based Renerco Renewable Energy
Concepts AG. REpower has already supplied eight MM92 turbines to Ridgewind/HG Capital for the
Bagmoor windfarm.

The turbines at Earls Hall Farm, with a rated output of 2.05 MW each, will generate enough electricity
to power the equivalent of at least 5,500 homes annually. The 12 MM82 turbines at Hall Farm will
generate power for at least 14,000 homes annually. Together, these wind farms will be able to meet
the energy demands of nearly 20,000 homes. Construction at Earls Hall Farm will start in the summer
of 2012, and scheduled for completion later in the year. Hall Farm will start in the spring with a similar
completion date.

Rick Eggleston, Managing Director of REpower UK, commented: “We’re delighted to have won
two onshore contracts in quick succession. Our continued success is testament to the quality and
reliability of our turbines, and the continued buoyancy of the onshore wind market. We’re immensely
proud to be working on our second project with Ridgewind/HG Capital, and it is a pleasure to be
supplying turbines to Renerco for the first time.”

Since its launch in 2004, REpower UK has delivered 36 onshore wind farms in Scotland, England and
Wales and one offshore wind farm, Project Beatrice, in the North Sea. However, its largest offshore
contract is currently underway, with the company currently commissioning the 30 REpower 5M wind
turbines for Vattenfall’s Ormonde wind farm in the Irish Sea, with a total rated output of 150 MW.

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