As of December 8, 2003, the shares of the Company LAN-NET S.A. start trading on the ATHEX, due to the Merger with the Company LANTEC COMMUNICATIONS S.A., under the following terms:

a) 16,427,600 new common registered (CR) shares will be offered to the existing shareholders of the acquiring LAN-NET S.A., in replacement of the existing 11,734,000 common registered (CR) shares held, according to the exchange ratio: 1 old common registered (CR) share held will be exchanged with 1.4 newly issued common registered (CR) shares.

b) 20,475,090 new common registered (CR) shares will receive in total the shareholders of the acquired Company LANTEC COMMUNICATIONS S.A., in terms of 1 old common registered (CR) share with 1 new common registered share.

According to Regulation 24/273/10.6.2003 of the Board of Directors of the Capital Market Commission and the Regulation No 45 of the ATHEX Board of Directors, the trading limits of the share price only for the trading session of the ATHEX on December 8, 2003, are set as follows:

Adjusted price: 4.38 euro

Closing price of the last day of trading (5/12/2003): 6.18 euro

Limit up +12%: 6.92 euro

Limit up +18%: 7.30 euro

Limit down -12%: 3.86 euro

Limit down -18%: 3.60 euro

According to the above and taking into account that in the OASIS subsystem as start price is considered the adjusted share price, the upper and lower trading limits are set as follows:

Start price: 4.38 euro

Limit up Α΄ + 57.99%: 6.92 euro

Limit up Β΄ + 66.67%: 7.30 euro

Limit down Α΄ -11.87%: 3.86 euro

Limit down Β΄ -17.81%: 3.60 euro

Detailed information for the merger is included in the related Prospectus that has been approved by the ATHEX BoD and is available at the ATHEX, the offices of the issuer, the offices of the consultant and www.ase.gr.