Tekla Corporation to pay additional dividend

Tekla Corporation Stock exchange release June 28, 2011
at 2:10 p.m.

Tekla's Annual General Meeting, held on April 6, 2011, authorized the Board to
decide on the distribution of additional dividend and/or the distribution of
funds from the non-restricted equity fund for a total of up to 18,000,000 euros.
The funds can be distributed in one or several lots either from retained
earnings or the non-restricted equity fund. The authorization includes the
Board's right to decide on all other facts related to the distribution of funds.

Under this authorization, the Tekla Board has decided to distribute 0.80 euros
per share as additional dividend (totaling 17,996,800 euros). The dividend
record date is July 1, 2011 and the payment date July 8, 2011.

Trimble Navigation Ltd. and Tekla Corporation entered into a combination
agreement on May 8, 2011, and on May 9, 2011 Trimble Navigation Ltd. announced a
public tender offer, made by its subsidiary Trimble Finland Oy, for all issued
and outstanding shares in Tekla Corporation. The offer period for the tender
offer commenced on May 19, 2011 and expired on June 27, 2011.

According to the terms of the combination agreement and the tender offer, the
distribution of funds results in a corresponding reduction of Trimble's offer
price by 0.80 euros per share.

Tekla Corporation

Ari Kohonen, CEO
phone +358 50 64 124,
firstname.lastname@tekla.com

Distribution: NASDAQ OMX Helsinki Ltd, main media

Tekla Corporation

Tekla Corporation drives the evolution of digital information models with its
software, providing a growing competitive advantage to customers in the
construction, infrastructure and energy industries. Tekla's net sales for 2010
were nearly 58 million euros and operating result nearly 10 million euros.
International operations accounted for approximately 80% of net sales. Tekla has
customers in 100 countries, offices in 15 countries and a worldwide partner
network. Tekla Group currently employs approximately 500 persons, of whom about
200 work outside of the headquarters in Finland. Tekla was established in 1966,
and is one of the longest-operating Finnish software companies. www.tekla.com

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