Director/PDMR Shareholding

RNS Number : 8202X

National Grid PLC

10 May 2016

National Grid plc ("NG")

Tuesday 10 May 2016

Notification of Directors' and Executive Committee Members Interests

-------------------------------------------------------------------------------------------------------

NG SHARE INCENTIVE PLAN (the "SIP")

Under the SIP, operated through Elian Corporate Services (UK) Ltd as Trustee, employees may acquire NG ordinary shares by regular monthly contributions. The current monthly purchase of 32,244 NG ordinary shares, on 9 May, under the scheme was confirmed by the Trustee late Monday 9 May, at a price of 999.871 pence per share, on behalf of some 2,800 participants.

The following Executive Directors and Executive Committee Members of NG are beneficiaries of the shares purchased on their behalf:

Director	Shares purchased in SIP
Steven Holliday	15 Ordinary Shares
Andrew Bonfield	15 Ordinary Shares
John Pettigrew	15 Ordinary Shares
Executive Committee Member
Stephanie Hazell	15 Ordinary Shares
Alison Kay	13 Ordinary Shares
Mike Westcott	13 Ordinary Shares

The Directors and Executive Committee Members total interests after these events are:

Director	Resulting total interest
Steven Holliday	2,661,160 Ordinary Shares
Andrew Bonfield	1,173,355* Ordinary Shares
John Pettigrew	649,007* Ordinary Shares
Executive Committee Member
Stephanie Hazell	5,191 Ordinary Shares
Alison Kay	91,580 Ordinary Shares
Mike Westcott	92,832 Ordinary Shares