Skanska, MasTec announce alliance to build e-centers and provide telecommunication infrastructure services

SKANSKA, MASTEC ANNOUNCE ALLIANCE TO BUILD E-CENTERS AND PROVIDE TELECOMMUNICATION INFRASTRUCTURE SERVICES Skanska USA Inc., a subsidiary of Skanska AB, one of the world's largest infrastructure project management companies, and MasTec, Inc.,the largest end- to-end network infrastructure service provider in North America, announced today that they have formed an alliance to provide comprehensive project management and telecommunications infrastructure services on a turn-key basis throughout North America and with the ambition to extend the cooperation to Europe. Under this agreement, Skanska and MasTec will pursue projects in the telecommuni-cations industry, focusing on the deployment of fiber optic networks and on value added projects to plan, design, build and maintain data centers, co-location facilities, central offices and other voice, video and data switching centers. The agreement provides for joint marketing to existing and potential customers of each party. Both companies are currently evaluating several proposals and opportunities for the alliance. "The alliance with Skanska furthers our business objective of joining with strategic partners to better serve our customers' infrastructure needs," said Joel-Tomas Citron, MasTec's president and CEO. "The combination of Skanska's large scale project management experience and capabilities in multi-location projects and MasTec's external and internal network services for bandwidth providers and enterprise networks will provide our respective customers with a single solution to their needs." "The demand for data, Internet and telecommunication facilities is increasing at a tremendous pace. By teaming with MasTec, Skanska will be able to better serve the infrastructure demands of the rapidly growing telecommunications industry," said Stuart Graham, president and CEO of Skanska, USA. Skanska will be represented in the alliance by its subsidiary, Sordoni Skanska. The Skanska Group is one of the world's leading suppliers of construction related services. The company, founded in 1887 in Sweden, is active in more than 50 countries and has more than 45,000 employees worldwide. Skanska USA employs 11,000 employees and had revenues of $3.2 billion for the first nine months of 1999. MasTec is the largest end-to-end telecommunications and energy infrastructure service provider in North America. MasTec designs, builds, installs and maintains internal and external networks supporting the Internet, Internet- related applications, and other communications and energy facilities for leading telecommunications, cable television, energy and Fortune 500 companies. New York, November 23, 1999 SKANSKA AB Corporate Communications For additional information, contact: Stuart Graham Carmen M. Sabater President & CEO Senior Vice President & CFO Skanska U.S.A., Inc. MasTec, Inc. Tel +1 718-747-34454 Tel +1 305-406-1866 Tor Krusell Director Group Communication Skanska AB Tel + 46 8 753 87 47 This and previous releases are also available on MasTec's web address is ------------------------------------------------------------ Please visit for further information The following files are available for download:

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Skanska is one of the world’s leading construction and project development companies, focused on selected home markets in the Nordic region, Europe and USA. Supported by global trends in urbanization and demographics, and by being at the forefront in sustainability, Skanska offers competitive solutions for both simple and the most complex assignments, helping to build a sustainable future for customers and communities. The Group has about 40,000 employees. Skanska's sales in 2017 totaled SEK 161 billion.