Transaction in Own Shares

RNS Number : 2786W

National Grid PLC

07 February 2017

7 February 2017

National Grid plc ("National Grid")

ISIN Code: B00B08SNH3

Transaction in Own Shares

National Grid announces that it has purchased the following number of its Ordinary shares of 11^17/43p each on the London Stock Exchange from Merrill Lynch International ("MLI") as part of its buy-back programme announced on 6 February 2017.

Date of purchase:	7 February 2017
Number of Ordinary shares of 11^17/43p each purchased:	498,351
Highest price paid per share (pence):	940.7859
Lowest price paid per share (pence):	940.7859
Volume weighted average price paid per share	940.7859

National Grid intends to hold the purchased shares in treasury. Following the purchase of these shares, National Grid holds 191,015,284 of its Ordinary shares in treasury and has 3,751,968,163 Ordinary shares in issue (excluding treasury shares).

In accordance with Article 5(1)(b) of Regulation (EU) No 596/2014 (the "Market Abuse Regulation"), a schedule of individual trades by MLI on 7 February 2017 is set out below.

Schedule of purchases - individual transactions

Transaction Time

Price per share (p)

Quantity of shares purchased

08:08:55

08:09:14

08:09:40

08:09:57

08:11:18

08:11:38

08:12:22

08:12:30

08:13:00

08:13:01

08:13:48

08:16:35

08:17:40

08:17:52

08:17:53

08:17:55

08:19:31

08:19:32

08:20:02

08:20:08

08:24:11

08:24:15

08:24:19

08:26:05

08:26:31

08:27:50

08:28:03

08:29:35

08:30:53

08:31:50

08:32:55

08:32:56

08:33:00

08:33:59

08:35:30

08:35:31

08:38:10

08:38:29

08:39:02

08:40:22

08:40:36

08:43:12

08:43:13

08:45:20

08:48:20

08:49:46

08:49:47

08:49:49

08:50:15

08:53:08

08:54:38

08:54:40

08:56:35

08:57:39

08:58:17

09:00:20

09:02:31

09:02:46

09:05:44

09:06:08

09:06:11

09:06:14

09:08:33

09:08:50

09:08:54

09:12:03

09:13:24

09:13:30

09:13:55

09:15:51

09:17:41

09:17:45

09:21:31

09:22:19

09:22:35

09:23:39

09:23:55

09:24:00

09:24:10

09:25:54

09:28:23

09:28:25

09:30:40

09:32:17

09:32:19

09:32:22

09:35:21

09:36:44

09:37:04

09:38:44

09:38:58

09:39:01

09:39:48

09:39:50

09:42:10

09:42:13

09:45:54

09:46:41

09:48:47

09:48:49

09:51:27

09:56:20

09:56:24

09:56:26

10:01:24

10:01:28

10:01:30

10:06:44

10:06:50

10:07:48

10:10:50

10:11:34

10:13:43

10:13:44

10:16:52

10:17:45

10:21:50

10:25:08

10:25:19

10:25:22

10:27:12

10:31:42

10:34:05

10:34:06

10:34:07

10:37:34

10:39:47

10:41:47

10:43:29

10:43:34

10:43:35

10:43:38

10:46:11

10:47:38

10:49:31

10:49:40

10:53:52

10:53:56

10:55:56

10:55:57

11:01:11

11:03:19

11:05:31

11:07:41

11:07:49

11:07:55

11:11:23

11:11:31

11:11:59

11:16:30

11:21:44

11:21:46

11:23:46

11:23:49

11:23:50

11:30:30

11:34:20

11:42:01

11:48:18

11:50:54

11:52:11

11:52:13

11:54:41

11:57:30

11:59:17

12:02:37

12:04:47

12:07:10

12:09:24

12:11:09

12:13:09

12:15:39

12:19:42

12:19:46

12:20:41

12:21:56

12:22:48

12:25:09

12:26:00

12:26:30

12:26:31

12:32:58

12:33:52

12:35:18

12:35:19

12:37:16

12:38:42

12:43:56

12:44:38

12:53:06

12:53:20

12:56:33

12:58:00

13:00:26

13:01:37

13:02:35

13:05:31

13:07:30

13:08:14

13:10:02

13:12:58

13:15:12

13:17:38

13:21:28

13:25:14

13:25:38

13:27:58

13:29:01

13:29:35

13:30:48

13:30:49

13:34:01

13:34:02

13:35:14

13:36:30

13:39:15

13:41:30

13:45:42

13:47:53

13:48:07

13:51:47

13:54:59

13:55:58

13:59:27

14:00:10

14:02:01

14:04:18

14:08:36

14:11:34

14:13:51

14:14:07

14:17:16

14:17:23

14:17:28

14:21:08

14:21:53

14:23:04

14:23:52

14:25:49

14:27:58

14:28:00

14:29:16

14:29:50

14:30:53

14:31:02

14:32:02

14:32:42

14:33:14

14:34:57

14:35:47

14:35:50

14:36:47

14:38:15

14:38:16

14:38:24

14:38:33

14:38:47

14:41:05

14:42:23

14:42:28

14:44:35

14:46:19

14:46:44

14:47:47

14:48:42

14:50:26

14:50:28

14:50:31

14:50:33

14:51:48

14:52:08

14:53:01

14:53:10

14:53:20

14:54:51

14:54:54

14:55:02

14:58:08

14:59:59

15:00:29

15:00:30

15:01:08

15:01:32

15:01:33

15:04:23

15:04:54

15:06:05

15:07:08

15:07:59

15:08:06

15:10:13

15:10:37

15:13:13

15:13:40

15:16:08

15:17:43

15:18:05

15:19:07

15:20:05

15:20:41

15:21:54

15:23:46

15:24:56

15:26:17

15:26:36

15:28:46

15:30:37

15:31:15

15:32:06

15:33:26

15:33:39

15:34:21

15:34:48

15:35:19

15:36:39

15:36:41

15:37:30

15:37:32

15:39:18

15:39:45

15:41:50

15:43:35

15:43:41

15:43:47

15:45:15

15:45:20

15:46:07

15:46:59

15:48:40

15:48:43

15:48:44

15:49:47

15:49:55

15:51:01

15:51:40

15:53:13

15:54:40

15:55:24

15:55:58

15:56:11

15:56:21

15:57:44

15:58:58

15:59:36

16:00:12

16:00:46

16:00:51

16:01:55

16:02:52

16:02:53

16:03:37

16:04:18

16:04:19

16:06:26

16:08:42

16:08:43

16:09:30

16:10:02

16:10:05

16:12:05

16:13:14

16:14:06

16:15:14

16:15:15

16:15:16

16:15:32

16:16:13

16:17:10

16:17:17

16:17:34

16:18:12

16:18:14

16:19:12

16:19:13

16:20:22

16:20:29

16:20:31

16:20:38

16:21:07

16:21:49

16:21:51

16:22:33

16:24:02

16:24:36

16:24:58

16:25:28

16:26:25

16:26:55

934.60
934.60
935.00
934.70
934.70
934.70
934.70
934.70
934.70
934.80
934.80
935.70
935.70
934.90
934.90
934.90
934.60
934.60
934.60
934.60
935.60
935.60
937.50
937.50
937.50
937.70
937.60
937.70
937.60
937.60
937.70
937.50
937.50
937.50
937.50
937.50
937.30
937.30
937.30
937.30
937.30
938.30
938.30
938.40
938.40
938.00
938.00
938.00
939.60
939.60
939.60
939.60
939.60
939.30
939.30
939.30
939.00
939.00
939.00
938.70
938.70
938.70
938.70
939.00
939.00
939.00
938.50
939.60
939.60
940.20
940.20
940.70
940.80
940.70
940.50
940.50
940.50
940.50
940.50
941.20
941.20
941.60
941.60
941.60
941.50
941.40
941.40
941.50
941.50
941.40
941.40
941.50
940.20
940.20
939.80
939.80
939.80
939.80
939.80
939.80
939.80
939.80
939.80
939.80
939.80
939.80
939.80
940.10
940.00
940.00
940.00
940.10
940.10
940.00
939.90
939.90
939.90
939.90
939.90
940.40
940.40
940.40
940.40
940.50
940.50
940.50
940.50
940.50
940.50
940.30
940.30
940.10
940.10
940.10
940.10
940.30
940.30
939.60
939.60
939.60
940.10
940.10
940.10
940.10
939.90
939.90
940.10
940.10
940.10
940.10
940.40
940.40
940.40
939.90
940.00
940.00
939.90
940.00
940.00
940.00
940.00
940.10
940.10
940.10
940.10
940.00
940.00
940.00
940.10
940.10
940.10
940.10
940.10
940.30
940.30
940.30
940.00
940.00
940.00
940.00
940.00
940.00
940.00
939.80
939.80
939.80
939.60
939.60
939.60
939.60
939.10
939.10
938.20
938.20
938.20
938.20
939.90
939.90
939.90
939.70
939.70
939.70
939.70
939.60
939.60
939.60
939.70
939.70
939.60
939.60
939.80
939.80
939.80
939.70
939.70
939.70
939.50
939.50
939.80
939.80
939.80
939.80
939.90
939.90
939.70
939.70
939.70
939.70
939.70
939.70
939.70
939.70
939.70
940.20
940.20
939.60
939.60
939.60
939.60
939.60
939.50
939.50
939.50
939.50
939.40
939.50
939.40
939.40
938.60
938.60
938.60
940.20
940.20
940.20
940.20
940.20
940.20
940.20
940.20
940.20
940.10
940.20
940.20
940.10
940.10
940.10
940.10
940.10
940.10
940.10
940.10
940.10
939.60
939.60
939.60
940.00
940.00
939.50
939.50
940.00
940.00
940.00
940.00
940.00
940.00
939.90
939.90
939.90
939.90
939.50
939.70
939.70
939.70
939.70
939.80
939.80
940.40
940.40
940.40
940.40
940.40
939.80
939.80
939.80
939.80
939.70
939.70
939.70
939.20
939.20
939.10
939.10
939.10
939.10
939.10
939.00
939.00
939.00
939.00
939.00
939.00
939.00
939.00
938.80
938.80
938.80
939.50
939.50
939.30
939.30
939.30
939.30
939.30
939.30
939.30
939.30
939.30
939.30
939.20
939.20
939.30
939.30
939.30
939.30
939.30
939.30
939.20
939.20
939.20
939.20
939.20
938.30
938.50
938.50
938.00
938.00
938.00
938.00
938.00
937.60
937.60
937.60
937.50
937.60
937.50
936.90
936.90
936.90
936.90
936.90
936.90
939.00
939.00
939.70
939.70
939.70
939.70
939.70
939.80
939.80
939.80
939.60
939.60
939.60
939.60
939.80
939.80
939.80
939.80
939.70
939.70
939.70
939.80
939.80
939.80
939.80
939.70
939.80
939.80
939.70
939.70
939.70
939.70
939.70
939.70
939.80
939.80
939.80
939.80
939.80
939.90
939.90
939.80
939.80
939.80
941.70
941.70
941.50
941.50
941.70
941.80
941.80
941.80
941.80
941.80
941.80
941.80
941.90
941.90
942.60
942.60
942.60
942.60
942.60
942.30
942.30
942.30
942.30
941.90
941.90
941.90
942.30
942.30
942.30
942.20
942.20
942.20
941.60
941.60
941.80
941.80
941.80
941.80
941.90
941.90
941.90
942.00
942.00
942.40
942.40
942.80
942.80
942.80
943.50
943.50
943.50
943.40
943.40
943.40
943.40
942.70
942.70
942.70
942.70
942.70
942.40
942.60
942.60
942.30
942.30
942.30
942.30
942.50
942.50
942.50
942.40
942.40
942.40
942.40
942.40
942.40
942.40
942.00
942.00
942.00
942.50
942.50
942.50
942.50
942.50
942.50
942.90
942.90
943.10
943.10
943.10
943.10
943.10
943.10
943.10
943.10
942.50
944.00
944.00
944.00
943.90
943.90
943.90
943.90
943.90
943.90
943.90
943.90
943.90
943.20
943.20
943.30
943.30
943.30
943.20
943.00
943.00
943.00
942.60
942.60
942.60
942.60
943.20
943.20
943.20
943.20
943.20
942.30
942.30
942.50
942.50
942.00
942.00
942.00
942.00
942.30
942.30
942.10
942.10
942.10
941.90
941.90
941.70
941.70
941.70
941.70
942.10
942.10
942.10
942.50
942.50
942.60
942.50
942.60
942.60
942.50
942.50
942.80
942.80
942.60
942.60
942.60
942.40
942.40
942.40
943.00
943.00
943.00
943.00
943.00
943.20
943.20
943.20
943.20
943.20
942.50
942.50
942.50
942.50
943.00
943.00
943.10
943.10
943.10
943.10
943.10
943.90
943.90
943.90
943.90
943.90
943.90
943.60
943.60
943.60
943.80
943.80
943.80
943.80
943.80
943.90
943.90
943.90
943.90
943.90
943.90
943.90
944.50
944.50
944.20
944.20
944.20
944.20
944.20
944.40
944.40
944.40
944.10
944.10
944.10
943.80
943.80
943.50
943.50
943.50
943.50
943.50
943.50
943.10
943.10
943.10
943.00
943.00
943.00
941.90
941.90
941.90
941.80
941.80
941.80
941.10
941.10
941.10
940.80
940.80
940.80
941.40
941.40
941.40
941.10
941.10
941.10
941.10
941.10
941.10
940.90
940.90
940.90
941.30
941.40
941.30
941.30
941.40
940.70
940.70
940.70
940.70
940.70
941.10
941.10
941.00
941.00
941.00
941.10
940.70
940.70
940.70
940.70
941.40
941.40
941.40
941.20
941.20
941.20
941.10
941.10
941.10
941.00
941.40
941.40
941.40
941.40
941.40
941.70
941.70
941.70
941.40
941.40
941.40
941.40
940.70
940.70
940.70
940.10
940.10
940.10
940.10
940.10
940.00
940.00
940.00
940.00
940.00
940.00
940.00
940.20
940.20
940.20
940.20
939.90
940.00
940.00
940.00
940.00
940.10
940.10
940.10
940.00
940.10
940.10
940.40
940.40
940.40
940.40
940.40
940.40
940.80
940.80
940.80
940.80
940.90
940.90
940.90
940.90
940.90
940.80
940.80
940.80
940.80
940.60
940.60
940.60
940.60
940.60
940.60
940.10
940.10
940.10
940.60
940.60
940.60
940.60
940.40
940.40
940.40
940.40
940.40
940.40
940.40
940.40
940.40
940.30
940.30
940.30
940.30
940.30
940.30
940.60
940.60
940.60
940.60
940.60
941.00
941.00
941.00
941.00
941.00
941.00
940.50
940.80
940.80
940.80
941.00
941.00
941.00
941.00
941.30
941.30
941.30
941.30
941.30
941.30
941.10
941.10
941.10
941.30
941.30
941.30
941.30
941.30
941.30
941.30
941.00
941.00
941.00
941.00
940.80
940.80
940.80
940.70
940.70
940.70
941.20
941.60
941.60
941.60
941.50
941.50
941.80
942.10
942.10
942.10
942.10
941.80
942.20
942.20
942.20
942.00
942.00
942.00
942.10
942.10
942.00
941.90
941.90
941.90
941.60
941.60
941.30
941.30
941.30
941.30
941.30
941.30
941.30
941.30
941.30
941.30
941.30
941.30
941.30
941.20
941.70
941.70
941.70
941.70
941.70
941.60
941.60
941.60
941.60
941.60
941.60
941.60
941.90
941.90
941.90
941.60
941.60
941.50
941.60
941.60
941.60
941.60
941.50
941.50
941.50
941.00
941.00
941.00
941.00
941.00
941.00
940.50
940.50
940.50
940.10
940.10
940.10
940.10
940.10
940.00
940.00
940.00
940.00
940.00
940.00
940.00
940.00
940.00
940.00
940.50
940.50
940.50
940.50
940.50
940.50
940.50
940.60
940.60
940.60
940.60
940.80
940.80
940.80
940.60
940.60
940.60
940.60
940.60
940.60
940.60
940.60
940.60
940.70
940.70
940.70
940.70
940.70
940.70
940.70
940.70
941.40
941.40
941.40
941.40
941.40
941.40
941.40
941.40
941.70
941.70
941.70
941.70
941.70
941.70
941.70
941.60
941.60
941.60
941.60
941.60
941.50
941.50
941.50
941.50
941.30
941.30
941.50
941.50
941.50
941.30
941.30
940.80
940.80
940.80
940.80
940.70
940.70
940.70
940.60
940.60
940.60
940.60
940.60
940.60
940.60
940.60
940.60
940.60
940.60
940.60
941.00
941.00
941.00
941.00
941.00
941.00
941.00
941.00
941.00
940.90
941.00
941.00
941.00
941.00
941.00
941.00
941.00
941.00
941.00
941.00
940.90
940.90
940.90
940.90
941.10
941.10
941.10
941.10
941.10
941.10
941.10
941.00
941.00
941.00
941.00
941.00

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