LightOn

Capital/Financing Update • Jul 3, 2025

Lighten !

Press release Paris, 3 July 2025

HALF-YEAR REPORT ON THE LIQUIDITY CONTRACT

Under the liquidity contract for the shares of LIGHTON entrusted to PORTZAMPARC -GROUPE BNP PARIBAS, outstanding means as of the trading date of 30 June 2025:

• 11,407 LightOn shares
• €53,325.77 ■

It is recalled that as at 31 December 2024, the following resources were included in the liquidity account:

• 9,929 LightOn shares
• €68,185.88 ■

It is also recalled that at the effective date of the contract on 11 December 2024, the following resources were included in the liquidity account:

€200,000.00 .

During the 1st half of 2025, total trades were:

	Number of shares	Amount in €	Number of transactions
Buv	49,391	897,235.57	799
Sell	47,913	882,177.16	752

About LightOn

Founded in 2016 in Paris and the first European generative Al company listed on Euronext Growth, LightOn is a pioneering player in the field of sovereign GenAl. Its Paradigm platform enables organizations to deploy large-scale Al while ensuring the confidentiality of their data. LightOn's technology ensures essential strategic independence, offering tailored solutions. This technological mastery is accompanied by the ability to process large volumes of data for industrial uses, with applications in various sectors such as finance, industry, health, defense, and public services.

LightOn is listed on Euronext Growth® Paris (ISIN: FR0013230950, ticker: ALTAI-FR). The company qualifies for PEA and PEA PME investment plans and is recognized as an "Innovative Company" by Bpifrance.

To learn more : https://www.lighton.ai

Contacts

LIGHTON invest@lighton.ai	SEITOSEI. ACTIFIN Investor Relations Benjamin LEHARI lighton@seitosei-actifin.com
KALAMARI Media Relation Camille Bernisson - +33 7 64 44 14 49 Maroua Derdega - +33 7 63 77 73 20 lighton@kalamari.agency	SEITOSEI.ACTIFIN Financial Media Relations Jennifer JULLIA - +33 6 47 97 54 87 jennifer.jullia@seitosei-actifin.com