HELSINKI--(BUSINESS WIRE)--Regulatory News: Tieto Corporation (HEX:TIE1V) (STO:TIEN): Between 1 January and 31 March 2015, a total of 153 181 Tieto Corporation new shares have been subscribed for with the company's stock options 2009B and a total of 60 015 new shares with stock options 2009C. For subscriptions made with the stock options 2009B and 2009C, the entire subscription price of EUR 2 376 111.34 will be entered in the reserve for invested unrestricted equity. As a result of subscription