HELLENIC EXCHANGES-ATHENS STOCK EXCHANGE S.A. HOLDING (ΑΤΗΕΧ) informs investors that the 1^st Repetitive General Meeting of shareholders, which took place on Friday 09.06.2017, decided the following changes in the Company's share capital:

• Reduce the share capital by EUR15,688,455.12, through a reduction in the par value of each share by EUR0.24 and payment of this amount to shareholders, and amend Article 5 of the Articles of Association of the Company concerning the share capital.
• Reduce the share capital by EUR4,006,432.92 through a reduction in the number of shares outstanding from 65,368,563 to 60,599,000 common registered shares, due to the cancellation of 4,769,563 shares in treasury stock, and amend Article 5 of the Articles of Association of the Company concerning the share capital.

The abovementioned treasury stock was purchased from 09.02.2016 to 20.04.2017 in implementation of the decision of the 14^th Annual General Meeting on 20.05.2015.

The cancellation date for the 4,769,563 shares in treasury stock is 26 July 2017.

On Friday 30.06.2017, decision 73250/20.06.2017 of the Ministry of Economy and Development was registered at the General Electronic Commercial Registry (GEMI) (registration number 836929), approving the modification of the relevant article in the Company's Articles of Association on the share capital. The ATHEX Stock Markets Steering Committee was informed on 05.07.2017 about the abovementioned change in the par value of the Company's shares.

Following the abovementioned changes, on 26 July 2017 the share capital of the Company will be EUR50,903,160.00, divided into 60,599,000 common registered shares, with a par value of EUR0.84 each.