Sostravel com S p A : Lost Luggage Concierge service available to all customers of the 2,500 Welcome Travel Group

PRESS RELEASE

Rome, 4 February 2026 - sostravel.com S.p.A. (Euronext Growth Milan, ticker: SOS), a travel tech operator offering digital services for bookings, itineraries, and proprietary services that simplify the travel experience ("Sostravel" or the "Company"), announces that it has signed a commercial agreement with Welcome Travel Group S.p.A. ("Welcome Travel Group"), a leading Italian group in the tourism distribution sector which, through its two brands Welcome Travel & Geo Travel Network, brings together an extensive network of over

2.500 affiliated travel agencies throughout Italy.

With 25 years of experience in the tourism sector, Welcome Travel Group is synonymous with reliability, professionalism and affordability. It is a guarantee and a point of reference for those seeking tailor-made trips and holidays, with over a million customers each year placing their trust in Welcome Travel Group agencies, which boast partnerships with the best tour operators, cruise lines and airlines. Welcome Travel Group has always implemented a strategy based on proactive consulting, capable of anticipating travellers' needs and transforming attention to detail into real experiential value.

Welcome Travel Group boasts a 50% shareholding in two of the leading players in the travel market, Alpitour World and Costa Crociere, an operator with which the Company has been collaborating for two years.

The agreement, part of the sales channel diversification strategy launched by the Company in 2024, will allow Welcome Travel Group customers to purchase the Lost Luggage Concierge service through its network of over 2.500 sales outlets located throughout Italy.

This service will be made available through the dedicated 'Welcome' & 'Geo' platforms by the end of the first quarter of 2026.

A service designated for travelers

The service offers dedicated support in the event of lost luggage, ensuring:

• prompt assistance in locating and returning the lost luggage;

• an immediate reimbursement if the baggage is not returned within 48 hours .

Massimo Crippa, Chief Operating Officer of Sostravel, stated:

"The effectiveness of the Lost Luggage Concierge service is winning the trust of leading Italian tourism companies, strengthening the role of sostravel.com in the sector. Our technological solutions are increasingly meeting the needs of travellers, and we are proud to contribute, within our area of expertise, to improving the travel experience of Welcome Travel Group customers."

Vittorio Amato, Commercial Manager of Welcome Travel Group, stated:

"We are thrilled about this new partnership with sostravel.com, which allows us to offer our customers a top-level baggage assistance service. The integration of Lost Luggage Concierge into our platforms is part of our commitment to providing an increasingly comprehensive, innovative and hassle-free travel experience."

For further information about the Welcome Travel Group, please visit the websites www.vacanzewelcometravel.it and www.geotn.it.

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This press release is available on the Company's website in the 'Investor Relations / Press Releases' section",

as well as on the '1info' dissemination system (SDIR) available at https://www.1info.it.

For further information

Investor Relations CFO SIM

Rudolph Gentile Antonio Boccia

[email protected] [email protected]

https://www.sostravel.com https://www.cfosim.com