PRESS RELEASE INFORMATION ON SHARE BUY-BACK PROGRAMME

Milan, 22 May 2017- Prysmian S.p.A. hereby notify that, in the framework of the current authorization to buy and disposal of treasury shares under the Shareholders' Meeting resolution adopted on 12th April 2017 and of the share buy-back programme launched by the Board of Directors on 12th January 2017, has purchased on the regulated market (MTA) managed by Borsa Italiana from 15th to 19th May 2017, both included, no. 458,983 shares with an average price of Euro 24.5367 per share, for a total amount of Euro 11,261,934.91.

On the basis of information provided by the intermediary agent appointed for the implementation of the share buy-back programme, here below the details of the shares purchase transactions, on daily basis, in aggregate form:

Date of the transactions

Number of shares purchased

Average price (Euro)

Total amount (Euro)

15 May 2017

30,125

24.8995

750,096.77

16 May 2017

77,348

24.9988

1,933,605.94

17 May 2017

184,699

24.5772

4,539,390.88

18 May 2017

166,811

24.2121

4,038,841.32

Since the beginning of the share buy-back programme, Prysmian S.p.A. has purchased no. 3,189,787 ordinary shares for a total consideration of Euro 78,390,035.20.

As of May 19th, 2017, considering the abovementioned purchases, Prysmian S.p.A. directly and indirectly owns no. 5,789,048 treasury shares, equal to about the 2.67% of the share capital.

Here attached the details of the shares purchase transactions, on daily basis and in detailed form, during the relevant period.

Prysmian Group

Prysmian Group is world leader in the energy and telecom cables and systems industry. With nearly 140 years of experience, sales of over €7.5 billion in 2016, 21,000 employees across 50 countries and 82 plants, the Group is strongly positioned in high-tech markets and offers the widest possible range of products, services, technologies and know-how. It operates in the businesses of underground and submarine cables and systems for power transmission and distribution, of special cables for applications in many different industries and of medium and low voltage cables for the construction and infrastructure sectors. For the telecommunications industry, the Group manufactures cables and accessories for voice, video and data transmission, offering a comprehensive range of optical fibres, optical and copper cables and connectivity systems. Prysmian is a public company, listed on the Italian Stock Exchange in the FTSE MIB index.

Media Relations Investor Relations

Lorenzo Caruso Cristina Bifulco

Corporate and Business Communications Director Investor Relations Director

Ph. 0039 02 6449.1 Ph. 0039 02 6449.1

lorenzo.caruso@prysmiangroup.com mariacristina.bifulco@prysmiangroup.com

This press release is available on the company website at www.prysmiangroup.com and in the mechanism for the central storage of regulated information provided by Spafid Connect S.p.A. at www.emarketstorage.com.

15 May 2017

Prysmian S.p.A

IT0004176001

Date Company name ISIN

Security

Side

Quantity

Price

LastMkt

ExecutionTime (GMT)

Currency

PRY.MI

Buy

96

24,8700

Milan

08:15:08

EUR

PRY.MI

Buy

371

24,8700

Milan

08:15:08

EUR

PRY.MI

Buy

380

24,8600

Milan

08:15:17

EUR

PRY.MI

Buy

319

24,8500

Milan

08:15:23

EUR

PRY.MI

Buy

29

24,8500

Milan

08:15:23

EUR

PRY.MI

Buy

177

24,8500

Milan

08:15:23

EUR

PRY.MI

Buy

172

24,8500

Milan

08:15:23

EUR

PRY.MI

Buy

356

24,8400

Milan

08:15:40

EUR

PRY.MI

Buy

345

24,8500

Milan

08:17:35

EUR

PRY.MI

Buy

342

24,8300

Milan

08:17:41

EUR

PRY.MI

Buy

380

24,8400

Milan

08:20:34

EUR

PRY.MI

Buy

383

24,9000

Milan

08:25:08

EUR

PRY.MI

Buy

438

24,8800

Milan

08:25:32

EUR

PRY.MI

Buy

353

24,8700

Milan

08:25:38

EUR

PRY.MI

Buy

316

24,8400

Milan

08:26:30

EUR

PRY.MI

Buy

311

24,8400

Milan

08:28:02

EUR

PRY.MI

Buy

225

24,8400

Milan

08:28:49

EUR

PRY.MI

Buy

88

24,8400

Milan

08:28:49

EUR

PRY.MI

Buy

337

24,8300

Milan

08:30:57

EUR

PRY.MI

Buy

354

24,8300

Milan

08:34:12

EUR

PRY.MI

Buy

277

24,8300

Milan

08:37:24

EUR

PRY.MI

Buy

100

24,8300

Milan

08:37:24

EUR

PRY.MI

Buy

308

24,8500

Milan

08:38:52

EUR

PRY.MI

Buy

66

24,8500

Milan

08:42:51

EUR

PRY.MI

Buy

373

24,9000

Milan

08:46:02

EUR

PRY.MI

Buy

331

24,9000

Milan

08:47:10

EUR

PRY.MI

Buy

324

24,8900

Milan

08:49:09

EUR

PRY.MI

Buy

355

24,8700

Milan

08:51:10

EUR

PRY.MI

Buy

100

24,8800

Milan

08:55:09

EUR

PRY.MI

Buy

236

24,8800

Milan

08:55:41

EUR

PRY.MI

Buy

41

24,9100

Milan

08:58:57

EUR

PRY.MI

Buy

294

24,9100

Milan

08:58:57

EUR

PRY.MI

Buy

308

24,9100

Milan

08:58:57

EUR

PRY.MI

Buy

342

24,8800

Milan

09:03:47

EUR

PRY.MI

Buy

309

24,8900

Milan

09:05:11

EUR

PRY.MI

Buy

325

24,8600

Milan

09:07:02

EUR

PRY.MI

Buy

138

24,8300

Milan

09:10:06

EUR

PRY.MI

Buy

188

24,8300

Milan

09:10:06

EUR

PRY.MI

Buy

343

24,8900

Milan

09:16:01

EUR

PRY.MI

Buy

39

24,8800

Milan

09:17:50

EUR

PRY.MI

Buy

311

24,8800

Milan

09:17:50

EUR

PRY.MI

Buy

338

24,9100

Milan

09:19:12

EUR

PRY.MI

Buy

344

24,8900

Milan

09:23:44

EUR

PRY.MI

Buy

359

24,9300

Milan

09:25:52

EUR

PRY.MI

Buy

61

24,9500

Milan

10:31:03

EUR

PRY.MI

Buy

184

24,9500

Milan

10:31:03

EUR

PRY.MI

Buy

383

24,9500

Milan

10:31:03

EUR

PRY.MI

Buy

67

24,9500

Milan

10:31:34

EUR

PRY.MI

Buy

133

24,9500

Milan

10:31:34

EUR

PRY.MI

Buy

357

24,9500

Milan

10:36:57

EUR

PRY.MI

Buy

617

24,9500

Milan

10:36:57

EUR

PRY.MI

Buy

326

24,9500

Milan

10:36:57

EUR

PRY.MI

Buy

340

24,9500

Milan

10:36:57

EUR

PRY.MI

Buy

364

24,9500

Milan

10:36:57

EUR

PRY.MI

Buy

148

24,9500

Milan

10:36:57

EUR

PRY.MI

Buy

183

24,9500

Milan

10:36:57

EUR

PRY.MI

Buy

254

24,9500

Milan

10:36:57

EUR

PRY.MI

Buy

1017

24,9300

Milan

10:37:01

EUR

PRY.MI

Buy

94

24,9400

Milan

10:37:01

EUR

PRY.MI

Buy

233

24,9400

Milan

10:37:01

EUR

PRY.MI

Buy

1127

24,9400

Milan

10:37:01

EUR

PRY.MI

Buy

180

24,9300

Milan

10:37:54

EUR

PRY.MI

Buy

180

24,9300

Milan

10:37:54

EUR

PRY.MI

Buy

180

24,9300

Milan

10:37:54

EUR

PRY.MI

Buy

180

24,9300

Milan

10:37:54

EUR

PRY.MI

Buy

1287

24,9300

Milan

10:37:54

EUR

PRY.MI

Buy

325

24,9300

Milan

10:37:54

EUR

PRY.MI

Buy

180

24,9300

Milan

10:37:54

EUR

PRY.MI

Buy

324

24,9300

Milan

10:37:54

EUR

PRY.MI

Buy

180

24,9300

Milan

10:37:54

EUR

PRY.MI

Buy

116

24,9300

Milan

10:37:54

EUR

PRY.MI

Buy

288

24,9300

Milan

10:37:54

EUR

PRY.MI

Buy

180

24,9300

Milan

10:37:54

EUR

PRY.MI

Buy

523

24,9300

Milan

10:37:54

EUR

PRY.MI

Buy

316

24,8900

Milan

10:41:53

EUR

PRY.MI

Buy

382

24,8900

Milan

10:45:43

EUR

PRY.MI

Buy

80

24,9100

Milan

10:54:01

EUR

PRY.MI

Buy

286

24,9100

Milan

10:55:55

EUR

PRY.MI

Buy

359

24,8900

Milan

10:56:02

EUR

PRY.MI

Buy

398

24,9000

Milan

10:56:02

EUR

PRY.MI

Buy

309

24,8800

Milan

10:57:01

EUR

PRY.MI

Buy

288

24,9000

Milan

11:04:35

EUR

PRY.MI

Buy

50

24,9000

Milan

11:04:35

EUR

PRY.MI

Buy

74

24,8800

Milan

11:08:36

EUR

PRY.MI

Buy

266

24,8800

Milan

11:08:36

EUR

PRY.MI

Buy

322

24,9100

Milan

11:15:01

EUR

PRY.MI

Buy

45

24,9100

Milan

11:15:01

EUR

PRY.MI

Buy

350

24,8900

Milan

11:17:42

EUR

PRY.MI

Buy

379

24,8800

Milan

11:18:37

EUR

PRY.MI

Buy

253

24,9000

Milan

11:20:17

EUR

PRY.MI

Buy

56

24,9000

Milan

11:20:17

EUR

PRY.MI

Buy

337

24,8800

Milan

11:21:02

EUR

PRY.MI

Buy

264

24,8700

Milan

11:25:08

EUR

PRY.MI

Buy

76

24,8700

Milan

11:25:08

EUR

PRY.MI

Buy

258

24,8700

Milan

11:30:01

EUR

PRY.MI

Buy

76

24,8700

Milan

11:30:01

EUR

PRY.MI

Buy

368

24,8500

Milan

11:36:54

EUR

PRY.MI

Buy

136

24,8600

Milan

11:48:06

EUR

PRY.MI

Buy

221

24,8600

Milan

11:48:06

EUR

PRY.MI

Buy

336

24,8700

Milan

11:53:41

EUR

PRY.MI

Buy

103

24,9300

Milan

11:59:48

EUR

PRY.MI

Buy

414

24,9400

Milan

11:59:48

EUR

PRY.MI

Buy

433

24,9400

Milan

11:59:48

EUR

PRY.MI

Buy

271

24,9300

Milan

11:59:50

EUR

PRY.MI

Buy

377

24,9500

Milan

12:04:46

EUR

PRY.MI

Buy

100

24,9400

Milan

12:05:12

EUR

PRY.MI

Buy

75

24,9400

Milan

12:05:13

EUR

PRY.MI

Buy

135

24,9400

Milan

12:05:29

EUR

16 May 2017

Prysmian S.p.A

IT0004176001

Date Company name ISIN

Security

Side

Quantity

Price

LastMkt

ExecutionTime (GMT)

Currency

PRY.MI

Buy

461

25,1200

Milan

08:58:02

EUR

PRY.MI

Buy

362

25,1200

Milan

08:59:27

EUR

PRY.MI

Buy

311

25,1200

Milan

09:02:11

EUR

PRY.MI

Buy

374

25,0900

Milan

09:04:47

EUR

PRY.MI

Buy

386

25,0200

Milan

09:08:28

EUR

PRY.MI

Buy

332

25,0000

Milan

09:15:11

EUR

PRY.MI

Buy

383

24,9900

Milan

09:15:17

EUR

PRY.MI

Buy

403

25,0100

Milan

09:18:50

EUR

PRY.MI

Buy

66

25,0100

Milan

09:18:50

EUR

PRY.MI

Buy

312

25,0100

Milan

09:18:50

EUR

PRY.MI

Buy

311

25,0000

Milan

09:21:10

EUR

PRY.MI

Buy

378

25,0000

Milan

09:21:10

EUR

PRY.MI

Buy

339

25,0000

Milan

09:21:10

EUR

PRY.MI

Buy

18

25,0600

Milan

09:25:54

EUR

PRY.MI

Buy

63

25,0600

Milan

09:25:54

EUR

PRY.MI

Buy

255

25,0600

Milan

09:25:54

EUR

PRY.MI

Buy

329

25,0600

Milan

09:25:54

EUR

PRY.MI

Buy

43

25,0500

Milan

09:31:58

EUR

PRY.MI

Buy

100

25,0500

Milan

09:33:44

EUR

PRY.MI

Buy

361

25,0700

Milan

09:34:57

EUR

PRY.MI

Buy

317

25,0700

Milan

09:34:57

EUR

PRY.MI

Buy

44

25,0300

Milan

09:38:52

EUR

PRY.MI

Buy

245

25,0300

Milan

09:38:52

EUR

PRY.MI

Buy

34

25,0300

Milan

09:38:52

EUR

PRY.MI

Buy

369

25,0500

Milan

09:43:35

EUR

PRY.MI

Buy

356

25,0600

Milan

09:43:35

EUR

PRY.MI

Buy

312

25,0500

Milan

09:51:06

EUR

PRY.MI

Buy

221

25,0400

Milan

09:51:51

EUR

PRY.MI

Buy

149

25,0400

Milan

09:51:51

EUR

PRY.MI

Buy

139

25,0300

Milan

09:53:22

EUR

PRY.MI

Buy

203

25,0300

Milan

09:53:22

EUR

PRY.MI

Buy

370

25,0100

Milan

09:57:36

EUR

PRY.MI

Buy

185

25,0100

Milan

09:57:36

EUR

PRY.MI

Buy

136

25,0100

Milan

09:57:36

EUR

PRY.MI

Buy

382

25,0400

Milan

10:03:27

EUR

PRY.MI

Buy

367

25,0400

Milan

10:03:40

EUR

PRY.MI

Buy

341

25,0500

Milan

10:04:25

EUR

PRY.MI

Buy

315

25,0500

Milan

10:04:25

EUR

PRY.MI

Buy

330

25,0400

Milan

10:04:59

EUR

PRY.MI

Buy

2

25,0400

Milan

10:07:37

EUR

PRY.MI

Buy

333

25,0800

Milan

10:10:09

EUR

PRY.MI

Buy

368

25,0800

Milan

10:10:09

EUR

PRY.MI

Buy

386

25,0600

Milan

10:16:18

EUR

PRY.MI

Buy

316

25,0600

Milan

10:16:18

EUR

PRY.MI

Buy

320

25,0600

Milan

10:20:34

EUR

PRY.MI

Buy

351

25,0600

Milan

10:20:34

EUR

PRY.MI

Buy

300

25,1600

Milan

10:29:22

EUR

PRY.MI

Buy

61

25,1600

Milan

10:29:22

EUR

PRY.MI

Buy

328

25,1500

Milan

10:29:24

EUR

PRY.MI

Buy

367

25,1300

Milan

10:39:48

EUR

PRY.MI

Buy

366

25,1200

Milan

10:50:20

EUR

Prysmian S.p.A. published this content on 22 May 2017 and is solely responsible for the information contained herein.
Distributed by Public, unedited and unaltered, on 22 May 2017 13:57:18 UTC.

Original documenthttp://www.prysmiangroup.com/sites/default/files/corporate/media/downloads/pdf/press-releases/PR_Prysmian_22_05_17 buy back purchase_EN.pdf

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