The Athens Stock Exchange announces that, from Monday October 1st 2001, it will broadcast to all the recipients of information of OASIS (Members and Vendors of Information that wish to be informed) the three best bid and offer prices per share, instead of the one, which is the current practice.

The Athens Stock Exchange developed the above new product, with the technical support of the ASYK S.A., in the frame f of securing the greatest possible transparency and provision of the fullest possible amount of information to all the agencies of the market.

On Wednesday 26/09/2001, a mock trading session will be realized in order to have the reliability of the system tested. The Members and Information Vendors who wish to be recipients of this new product are invited to attend the above · mentioned session.

It is reminded that the Athens Stock Exchange, with a previous press release (17/82001), had notified all interested parties for its intention to develop said new product.

Indeed, for them to be prepared on time it had also announced:

The relevant file of technical specifications (spec) and
The file of test data