Prysmian : INFORMATION ON SHARE BUY-BACK PROGRAMME

Milan, 22 December 2014. We  hereby notify that, in the framework of the authorization to buy and disposal  of treasury shares under the Company's Shareholders' Meeting resolution adopted  on 16th April 2014 and following the launch of a buy-back programme  by the Board of Directors on 6th November 2014, Prysmian S.p.A. (the  "Company") purchased on the regulated market managed by Borsa Italiana from 15th  to 19th December 2014, both included, no. 134,000 shares with an  average price of Euro 14.3742 per  share, for a total amount of Euro 1,926,147.

Here below the details of the buy-back transactions  on daily basis:

Since the beginning of the buy-back programme, the company  has purchased no. 1,390,000 ordinary shares for a total amount of Euro 19,954,278.

On December 19th, 2014, considering also  the abovementioned transactions, the Company directly and indirectly owns no. 2,830,318 treasury shares, equal to about the 1.3%  of the share capital, as currently attested at the Milan Company Register.

Prysmian Group
  Prysmian Group is world leader in the energy  and telecom cables and systems industry. With more than 130 years of  experience, sales of €7 billion in 2013, about 19,000 employees across 50  countries and 91 plants, the Group is strongly positioned in high-tech markets  and offers the widest range of products, services, technologies and know-how.  In the Energy sector, Prysmian Group operates in the business of underground  and submarine power transmission cables and systems, special cables for  applications in many different industrial sectors and medium and low voltage  cables for the construction and infrastructure industry. In the Telecom sector,  the Group manufactures cables and accessories for the voice, video and data  transmission industry, offering a complete range of optical fibres, optical and  copper cables and connectivity systems. Prysmian is a public company, listed on  the Milan 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