Information related to AS Merko Ehitus in the trading system: Issuer's full name - AS Merko Ehitus Issuer's short name - MRK Instrument and orderbook short name - MRK1T Orderbook number - 57419 Instrument ID - 42690 List - Main List Minimum quantity - 1 Standard quantity - 500 Number of listed shares 17,700,000 ISIN - EE3100098328 In the beginning of the trading period the reference price is EUR 6.62 (EEK 103.58) and the reference limits are +15% (EUR 7.61) and -15% (EUR 5.63). The reference price is calculated as a difference between MKO1T last (July 28, 2008) closing price (EUR 7.10) and JRV1T today's closing price (EUR 0.48). Opening call (CLIN) between 9:45 and 10:00: - Reference limits will not be changed. Trading period between 10:00 and 13:50: - Should the best bid price reach the upper reference limit +15% (EUR 7.61) or the best ask price reach the lower reference limit -15% (EUR 5.63), the stock exchange will suspend trading for reference limit adjustment by the decision of managing director of Tallinn Stock Exchange. - The stock exchange will publish an announcement stating the new reference limits and the trading will be resumed with the 10-minute call interaction (CLIN). The limits will be changed using 10% steps. - Should the best bid price or the best ask price reach the new reference limits, the above-mentioned actions will be repeated. During the first trading day it is recommended to use “Limit Orders” especially during the first trading day to avoid trading at unfavorable price. Should investors use "Market Price Orders", they are advised to be very cautious and to have the comprehensive real-time overview of the current market situation. Tallinn Stock Exchange Market Services +372 640 8800