Director/PDMR Shareholding

RNS Number : 5897B

National Grid PLC

17 June 2016

National Grid plc (National Grid)

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Notification of Directors' and Executive Committee Members Interests
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National Grid Annual Performance Plan- 2016 Award

On 16 June 2016, National Grid received notification from UBS Limited, pursuant to the National Grid plc Annual Performance Plan ("APP"), that Ordinary shares in National Grid (the 'Shares') or American Depositary Shares (ADSs) were purchased in the market under the APP on Wednesday 15 June 2016, at a share price of 965.39p or an ADS price of $68.99. These Awards relate to 50% of the APP awards for Executive Directors and 33.33% for Executive Committee Members for 2015/16 being paid in shares, which (after tax on the gross cash award) must be retained until shareholding requirement is met, and in any event for two years after receipt. These awards are subject to clawback and malus provisions. The Shares and ADSs have been transferred to participants.

Awards to the Executive Directors and Executive Committee Members are as follows:

Director	Number of Shares/ADSs
John Pettigrew	13,739 Shares
Andrew Bonfield	23,614 Shares
Steve Holliday	33,375 Shares
Dean Seavers	4,680 ADSs
Executive Committee Member
Stephanie Hazell	4,900 Shares
Alison Kay	4,413 Shares
George Mayhew	4,016 Shares
Mike Westcott	5,920 Shares
Richard Adduci	651 ADSs

The total share interests of the above directors and executive committee members, following these changes, are:

Director	Number of Shares/ADSs
John Pettigrew	655,967 Shares
Andrew Bonfield	1,175,351 Shares
Steve Holliday	2,667,515 Shares
Dean Seavers	91,672 ADSs
Executive Committee Member
Stephanie Hazell	211,311 Shares
Alison Kay	288,084 Shares
George Mayhew	270,683 Shares
Mike Westcott	366,135 Shares
Richard Adduci	14,282 ADSs