ELISA STOCK EXCHANGE ANNOUNCEMENT 21 MAY, 2010 AT 5.45PM Elisa has received the following notice in accordance with Chapter 2, Section 9 of the Finnish Securities Market Act: BlackRock Inc.'s proportion of the total number of Elisa shares and voting rights has decreased below 5 % (1/20) 1. Target Company: Elisa Corporation (ELI1V). 2. Justification of the flagging announcement: Disposal of shares 20 May 2010 3. Date of change in holdings: 20 May 2010 4. Exact proportion of the voting rights and total number of shares in Elisa +----------------------------+------------------------+------------------------+ |Number os shares (inc. |Share of the total |Share of number of votes| |indirect ownership |number os shares | | +----------------------------+------------------------+------------------------+ |8,223,665 |4.94 % |4.94 % | +----------------------------+------------------------+------------------------+ Total number of Elisa shares is 166,307,586 and each share carries one voting right. 5. Shareholder's full name, business identity code: BlackRock Inc. (USA Tax ID 32-0174421, SEC CIK Code#: 0001364742) ELISA Vesa Sahivirta Director, IR and financial communication +358 50 520 5555 Distribution: NASDAQ OMX Helsinki Major Media www.elisa.com [HUG#1418074]