Conversion of shares in NCC AB

In accordance with NCC’s Articles of Association, owners of Series A shares are entitled to request that their shares be converted to Series B shares. As a result of such conversion, the total number of voting rights in the company is reduced. In connection with conversion, the company is obligated, pursuant to the Swedish Financial Instruments Trading Act (1991:980), to disclose details of the change in this manner.

During May 2013, shareholders have requested that 750,000 Series A shares be converted to Series B shares. The total number of voting rights in the company subsequently amounts to 372,890,796.

The total number of registered shares in the company amounts to 108,435,822, of which 29,383,886 are Series A shares and 79,051,936 Series B shares. The company has 592 500 B-shares held in treasury.

For further information, please contact:

Johan Bergman, Investor Relations Manager, +46 (0)8-585 523 53, +46 (0)70-354 80 35

NCC’s media line: +46 8 585 519 00 or e-mail: press@ncc.se

This is the type of information that NCC could be obligated to disclose pursuant to the Securities Market Act. The information was issued for publication on May 31, 2013 at 11.30 CET.

All of NCC’s press releases are available at www.ncc.se/press.

NCC is one of the leading construction and property development companies in the Nordic region. In 2012, NCC reported sales of SEK 57 billion and had 18,000 employees.