NCC Group

Share Issue/Capital Change • May 31, 2012

Press Release

May 31, 2012 No. 15/2012

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 2012, shareholders have requested that 200,000 Series A shares be converted to Series B shares. The total number of voting rights in the company subsequently amounts to 382,340,247.

The total number of registered shares in the company amounts to 108,435,822, of which 30,433,825 are Series A shares and 78,001,997 Series B shares.

For furher information, please contact: Johan Bergman, Investor Relations Manager, +46 (0)8-585 523 53, +46 (0)70-354 80 35

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, 2012, at 1:30 p.m.

All of NCC's press releases are available on www.ncc.se.

NCC is one of the leading construction and property development companies in the Nordic region. NCC had in 2011 sales of SEK 53 billion, with 17,500 employees.

NCC AB (publ.)

SE-170 80 Solna

Visiting address Vallgatan 3 SE-167 70 Solna

Phone +46 8 585 510 00 Fax +46 8 85 77 75 www.ncc.se

Reg.no 556034-5174 Solna, Sweden VAT no SE663000130001