North-South 400kV Interconnection Development

North-South 400kV Interconnection Development Project Activity - 2009

December 18, 2009: EirGrid submitted a planning application to An Bord
Plean�la under the Strategic Infrastructure Act for the Meath � Tyrone 400kV Interconnection
Development, which will facilitate cross-border sharing of electricity and ensure the long-term
secure supply of electricity for the North East.

EirGrid has told a meeting of Monaghan County Council that it plans to submit a planning
application for the Meath � Tyrone 400kV Interconnection Development project before the
end of the year.

North East 400kV Power Line Projects Community Update publication on the latest developments of the project

EirGrid Statement release � issued to all locals

April 8, 2009 � Following a review of all project documentation, including consultants� studies, reports and consultation feedback, EirGrid has nominated one preferred route corridor for each 400kV power line project for further study.

A STUDY conducted by independent experts has confirmed overhead power lines are the cheapest and most secure option for the planned power lines in the north east.

North-South 400kV Interconnection Development Project Activity - 2008

The aim of this study was to determine the numbers and distribution of Whooper Swans within a study
area that includes the route corridor options for the proposed Cavan to Tyrone 400kV overhead
powerline. This study is ongoing to coincide with the season when Whooper Swans are present in
Ireland and will continue until April 2009 which forms part of Wintering Survey Period 2.

A3 PUBLIC CONSULTATION KINGSCOURT TO WOODLAND 400kV OVERHEAD LINE ROUTES LINE ROUTE OPTIONS WITHIN ROUTE CORRIDOR OPTIONS Map Sheet 7 AT SCALE 1:50,000