Completion of the exchange offer and commencement of trading in TeliaSonera.

Business Editors

HELSINKI, Finland--(BUSINESS WIRE)--Dec. 9, 2002

Telia AB (SSE:TLSN, formerly TLIA) today announces the completion of the exchange offer for shares and warrants in Sonera Corporation (HEX:SRA, NASDAQ:SNRA).

Telia AB changes its name to TeliaSonera AB.

Telia shares and warrants issued in connection with the merger have been delivered.

Trading in the TeliaSonera shares and warrants of series 2002/2005:A will commence today on the Stockholm Exchange, Helsinki Exchanges and NASDAQ under the following ticker symbols and ISIN/CUSIP codes:

------------------- ------------ ----------------- -------------------
                    TeliaSonera   TeliaSonera ADS  TeliaSonera warrant
                    share         (repr. 5 shares) 2002/2005:A
------------------- ------------ ----------------- -------------------
Ticker symbols
------------------- ------------ ----------------- -------------------
Stockholm Exchange  TLSN
------------------- ------------ ----------------- -------------------
Helsinki Exchange   TLS1V                          TLS1VEW102
------------------- ------------ ----------------- -------------------
NASDAQ                           TLSN
------------------- ------------ ----------------- -------------------

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ISIN/CUSIP code
------------------- ------------ ----------------- -------------------
Stockholm Exchange  SE0000667925
------------------- ------------ ----------------- -------------------
Helsinki Exchanges  SE0000667925                   SE0001016221
------------------- ------------ ----------------- -------------------
NASDAQ                           87960M106
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For more information, contact:

Jyrki Karasvirta,
Vice President, Corporate Communications
Tel. [phone]
[e-mail]

In the United States:
Mr. Steve Fleischer,
Vice President, Investor Relations,
Tel: [phone]
e-mail: [e-mail]

Forward-Looking statements

This press release may contain forward-looking statements regarding Telia's exchange offer to Sonera's shareholders and warrantholders. Statements that are not strictly historical statements, including statements about Telia's and Sonera's beliefs and expectations, constitute forward-looking statements. By their nature, forward-looking statements are subject to risk and uncertainty because they relate to events and depend on circumstances that will occur in the future. Telia and Sonera are under no obligation to, and expressly disclaim such obligation to, update or alter their forward-looking statements, whether as a result of new information, future events or otherwise.

Restrictions on Ability of Certain Persons to Participate in the

Exchange Offer

Due to restrictions under the securities laws of Australia, the Hong Kong Special Administrative Region of the People's Republic of China, Italy, Japan, New Zealand and South Africa, the exchange offer will not be extended to persons with registered addresses in, and who are residents of, any of Australia, the Hong Kong Special Administrative Region of the People's Republic of China, Italy, Japan, New Zealand or South Africa.

Cautionary Disclaimer/Legend

The combination of Sonera and Telia is being implemented through an exchange offer being made by Telia to all shareholders of Sonera. The contents of this document are neither an offer to purchase nor a solicitation of an offer to sell shares of Telia. Any offer in the United States will only be made through a prospectus, which is part of a registration statement on Form F-4, which Telia filed with the U.S. Securities and Exchange Commission (the "SEC") on October 1, 2002. Sonera shareholders who are U.S. persons or are located in the United States are urged to carefully review the registration statement on Form F-4, the prospectus included therein and other documents relating to the offer that Telia has filed or will file with the SEC because these documents contain important information relating to the offer. You are also urged to read the related solicitation/recommendation statement on Schedule 14D-9 that was filed by Sonera with the SEC on October 1, 2002 regarding the offer. You may obtain a free copy of these documents at the SEC's web site at www.sec.gov. You may also inspect and copy the registration statement on Form F-4, as well as any documents incorporated by reference therein, and the Schedule 14D-9 at the public reference room maintained by the SEC at 450 Fifth Street, NW, Washington, D.C. 20549. Please call the SEC at 1-800-SEC-0330 for further information about the public reference room. These documents may also be obtained free of charge by contacting Telia AB, Investor Relations, SE-12386 Farsta, Sweden. Attention: External Communications or Investor Relations (phone: [phone], or Sonora, Teollisuuskatu 15, P.O. Box 106, FIN-00051 SONERA, Finland. Attention: Investor Relations (phone: [phone]). YOU SHOULD READ THE PROSPECTUS AND THE SCHEDULE 14D-9 CAREFULLY BEFORE MAKING A DECISION CONCERNING THE OFFER.

Sonera Corporation (HEX: SRA, NASDAQ: SNRA) is a leading provider of mobile and advanced telecommunications services. Sonera is growing as an operator, as well as a provider of transaction and content services in Finland and in selected international markets. The company also offers advanced data solutions to businesses, and fixed network voice services in Finland and neighbouring markets. In 2001, Sonera's revenues totaled EUR 2.2 billion, and profit before extraordinary items and taxes was EUR 0.45 billion. Sonera employs about 7,400 people. www.sonera.com