Press Release

Further to the press release of 4 March 2010, Prysmian S.p.A. (the Company) has been informed by Prysmian (Lux) II S.à r.l., that today it has successfully completed, together with Goldman Sachs International, the offering of their respective shareholdings held in the Company to selected investors.

Through such offering, Prysmian (Lux) II S.à r.l. has agreed to sell 29,432,421 ordinary shares of the Company, equal to 16.240% of the Company’s share capital. The Company has been also informed that in the context of the same offering, the shareholder Goldman Sachs International has agreed to sell 1,021,592 ordinary shares of the Company, equal to 0.564% of the Company’s share capital.

Valerio Battista, the CEO of Prysmian S.p.A., has communicated to the Company that, in the context of the above mentioned offering, he has acquired no.1,500,000 shares of the Company.

Michael Ogrinz and Michele Titi-Cappelli have notified the Company of their resignation as members of the Company’s Board of Directors as of today. In its press release, Prysmian (Lux) II S.à r.l. has also specified that Hugues Lepic and Paolo Zannoni will remain on the Board of Directors of the Company for the time being to assist with the transition to new directors, but expect to resign from their roles in the near term, in coordination with the Company.

This announcement is for information purposes only and is not an offer to sell, or the solicitation of an offer to buy, any securities.

The above offering has not been, not will it be available in the United Kingdom to anyone other than the following persons: (i) persons having professional experience in matters relating to investments; and (ii) persons falling within Articles 49(2)(a) to (d) of the U.K. Financial Services and Markets Act 2000 (Financial Promotion) Order 2001 (high net worth corporations, unincorporated associations etc.). If you are in the United Kingdom and do not fall into one of the above categories, you are not be eligible to participate in the offering, and you should not act upon, or rely on, this announcement.

The offer and sale of the securities referred to in this announcement has not been, nor will it be, registered under the United States Securities Act of 1933 and the securities may not be offered or sold in the United States absent such registration or an applicable exemption from registration. There was not and there will be no public offering of the securities in the United States in connection with this transaction.