Altri SGPS — Share Issue/Capital Change 2021

Jul 2, 2021

Head Office: Rua Manuel Pinto de Azevedo, 818, Oporto Share Capital: 25,641,459 Euros Registered at the Commercial Registry of Oporto Sole registration and tax number 507 172 086

INSIDER INFORMATION

By reference to the prospectus for the admission to trading of Greenvolt – Energias Renováveis, S.A. ("Greenvolt")'s ordinary shares in Euronext Lisbon's regulated market, managed by Euronext Lisbon - Sociedade Gestora de Mercados Regulamentados, S.A., approved by the Portuguese Securities Market Commission on July 1, 2021 ("Prospectus"), which can be consulted in www.greenvolt.pt and www.cmvm.pt, as well as the resolutions adopted by the shareholders of ALTRI, SGPS, S.A. ("ALTRI") with respect to point four on the agenda of the General Meeting held on April 30, 2021, ALTRI informs that its Executive Committee, under the powers delegated by the Board of Directors, has resolved yesterday that the distribution of shares representing Greenvolt's share capital to ALTRI's shareholders contemplated on the above mentioned General Meeting's resolutions, to be made by means of a distribution of assets to the shareholders, shall observe the following principles:

Object: (i) ordinary shares up to a maximum of 5% of the total number of shares representing Greenvolt's share capital and voting rights immediately prior to the launch of the process that will lead to the admission to trading on Euronext Lisbon of all shares representing Greenvolt's share capital (IPO), i.e. up to a maximum of 3,750,000 shares representing Greenvolt's share capital and voting rights, and (ii) a cash amount corresponding to €0.10 for each share representing ALTRI's share capital, which, in any event, shall not exceed the maximum aggregate amount of €20,513,167.20

Eligible Shareholders: each holder of shares representing ALTRI's share capital on the record date indicated below

Distribution: 1 share representing of Greenvolt's share capital will be allocated for each multiple of 55 shares representing ALTRI's share capital and the amount of €0.10 will be allocated for each share representing ALTRI's share capital

Rounding: the number of shares to be allocated to each Eligible Shareholder will be rounded down to the number of shares immediately lower, and ALTRI will retain the portion of shares that are not distributed as a result of the rounding.

Record date: 23:59 (GMT) on July 8, 2021, as it will be considered an Eligible Shareholder who, according to the rules of registration of securities, holds ALTRI'sshares on that day and time. Whoever, according to the referred rules, does not qualify as a holder of ALTRI shares on that day and time, will not be considered an Eligible Shareholder and shall not, therefore, have any rights within the scope of the distribution.

The effective implementation of this distribution is conditional on the prior admission to trading of all shares representing Greenvolt's share capital on Euronext Lisbon's regulated market.

Oporto, July 2, 2021

The Board of Directors