Announcement pursuant to articles 5(1) (b) of Regulation (EU) 596/2014 and 2(3) of Commission Delegated Regulation (EU) 2016/1052:

Interim report on the transactions conducted under the share buy-back programme

Lisbon, 17 January 2025

As disclosed to the market in due time, on 19 December 2024, the company Novabase -

Sociedade Gestora de Participações Sociais, S.A. ("Novabase" or the "Company") started

trading in the context of the own shares buy-backprogramme (the "Buy-BackProgramme") approved on the Board of Directors' meeting held in 19 December 2024, under the authorisation granted in Item Nine of the Agenda of the General Meeting of shareholders of Novabase that took place on 22 June 2024, and in the terms and conditions of the announcement regarding the start of trading under the Buy-Back Programme, disclosed by the Company on the 19 December 2024.

In this context, Novabase informs that, pursuant to articles 5(1)(b) of Regulation (EU) 596/2014 of the European Parliament and of the Council of 16 April 2014 and 2(3) of Commission Delegated Regulation (EU) 2016/1052 of 8 March 2016, as well as pursuant to the CMVM Regulation no. 1/2023, in the period from the 10th of January 2025 and 17th of January 2025 (inclusively), Caixa - Banco de Investimento, S.A., has acquired shares representing Novabase's share capital, under the Buy-Back Programme and as the

financial intermediary in charge of the execution of the programme in Euronext Lisbon's

regulated market, as detailed in the table below (aggregated information):

Date of the

Aggregated

Weighted

% Share

Volume

Average Price

Transaction

Capital

(shares)

(EUR)

10/01/2025

200

5.90

0.001

13/01/2025

400

5.70

0.001

María Gil Marín

Novabase - Sociedade Gestora de Participações Sociais, SA

Chief Investors Officer

Company issuing shares admitted to trading on a regulated market

Tel: +351 21 3836300

Registered Office: Av. D. João II, nº 34, Parque das Nações, 1998-031 Lisboa

Fax.: +351 21 3836301

Share Capital: € 1,072,866.06

investor.relations@novabase.com

Lisbon Commercial Registry Office registration and legal person number 502.280.182

14/01/2025

-

-

-

15/01/2025

-

-

-

16/01/2025

-

-

-

17/01/2025

-

-

-

On the 17th of January 2025, Novabase held, as a result of the transactions indicated herein, an aggregated total of 663,401 own shares, representing 1.86% of the Company's share capital.

Further detailed information on all transactions carried out, under the Buy-Back Programme, in the period from the 10th of January 2025 and the 17th of January 2025 (inclusively), may be found in the in the documents annexed hereto.

María Gil Marín

Novabase - Sociedade Gestora de Participações Sociais, SA

Chief Investors Officer

Company issuing shares admitted to trading on a regulated market

Tel: +351 21 3836300

Registered Office: Av. D. João II, nº 34, Parque das Nações, 1998-031 Lisboa

Fax.: +351 21 3836301

Share Capital: € 1,072,866.06

investor.relations@novabase.com

Lisbon Commercial Registry Office registration and legal person number 502.280.182

Emissão: 10/01/2025 16:48:06

Pág: 1/1

Relação de Transacções

SIFOX - Corretores (EFELRCIN_PART 1.0 )

Cliente: 419143 / 112507267 - NB - NOVABASE, SGPS, SA

Fax:

Att:

C/V

Contrata

Título

Tp. Neg.

Qtd./Montante

Pr.Médio

Importância

Tx.Corr.

I.S.Corr.

Tx.Bolsa

Outros Encargos

Pr.Unit.Liq. Vl. Líquido

Sessão de: 10/01/2025

Data de Liquidação: 14/01/2025

Moeda: EUR

Praça: EURONEXT LISBOA

C

2025011000241

NOVABASE SGPS

P

ISIN: PTNBA0AM0006

NOM

200

5,90000000

1.180,00

0,89

0,04

0,00

0,00

-5,90465000

-1.180,93

Total de Compras:

1 180,00

0,89

0,04

0,00

0,00

-1 180,93

Total da Praça EURONEXT LISBOA:

0,89

0,04

0,00

0,00

-1 180,93

Total:

0,89

0,04

0,00

0,00

-1 180,93

Liquidação Financeira

Banco de Portugal: 14/01/2025 EUR

-1 180,00

EUR

-0,93

As operações de compra e venda constantes desta nota consideram-se corretas se não for recebida do cliente qualquer reclamação até às 16 horas do dia seguinte à realização das mesmas.

Institucionais

CAIXA BANCO DE INVESTIMENTO

SIFOX - Corretores

Sessão de: 13/01/2025

Emissão: 13/01/2025 16:37:09

Pág: 1/1

Cliente: 419143 / 112507267 - NB - NOVABASE, SGPS, SA Conta de Negociação: 096010580004

Fax:

Att:

C/V

Contrata

Título

Tp. Neg.

Qtd./Montante

Pr.Médio

Importância

Dias

Juros

Tx.Corr.

I.S.

Tx.Bolsa

Outros Encargos

Pr.Unit.Liq.

Vl. Líquido

Corr

.

Data de Liquidação: 15/01/2025

Moeda: EUR

Praça: EURONEXT LISBOA

C

2025011300117

NOVABASE SGPS N

P

ISIN: PTNBA0AM0006

400

5,70000000

2 280,00

1,71

0,07

0,00

0,00

-5,70445000

-2 281,78

Total de Compras:

2 280,00

1,71

0,07

0,00

0,00

-2 281,78

Total da Praça EURONEXT LISBOA:

1,71

0,07

0,00

0,00

-2 281,78

Total:

1,71

0,07

0,00

0,00

-2 281,78

Liquidação Financeira

Banco de Portugal: 15/01/2025

EUR

-2 280,00

CAIXA BI

EUR

-1,78

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Novabase SGPS SA published this content on January 17, 2025, and is solely responsible for the information contained herein. Distributed by Public, unedited and unaltered, on January 17, 2025 at 18:07:02.621.