Tekla - Financial Calendar

Change in the announcement day for Tekla's January - March interim report 2011

Tekla Corporation   Stock Exchange Announcement       April 7, 2011
                              at 12:45 p.m.



Change in the announcement day for Tekla's January - March interim report 2011

The Board of Tekla Corporation has decided to postpone the announcement day of
the Q1/2011 interim report from Friday, May 6 to Monday, May 9.


The interim reports in 2011 will thus be announced as follows:

- 1-3/2011 on Monday, May 9
- 1-6/2011 on Friday, August 5 and
- 1-9/2011 on Friday, November 4.




Tekla Corporation
Elina Hollo,
Communications Manager,
IR and Corporate Communications
phone: +358 40 570 4030
firstname.lastname@tekla.com



Distribution: NASDAQ OMX Helsinki Ltd, main media, www.tekla.com



Tekla drives the evolution of digital information models with its software,
providing a growing competitive advantage to customers in the construction and
infrastructure industries.

Tekla's net sales for 2009 were 50 million euros and operating result nearly 7
million euros. International operations accounted for over 80% of net sales. In
2010 net sales are estimated to grow by approximately 15 percent, and the
operating result margin to be 15 to 20 percent.

Tekla has customers in almost 100 countries, offices in 15 countries and a
worldwide partner network. Tekla Group currently employs nearly 500 people, of
whom about over 200 work outside of the headquarters in Finland. Tekla was
established in 1966, and is one of the longest-operating Finnish software
companies.


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