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PRESS RELEASE

Mercialys wins the All-Categories Transparency Award for its financial and extra-financial communication

Paris, July 3, 2026

Mercialys has won the 2026 All-Categories Transparency Award — the top distinction of the 17th Transparency Awards, held on Thursday, July 2, 2026.

Presented each year by the Labrador consultancy following an audit conducted by an independent third party, this award recognizes, among the companies of the SBF 120, the one whose financial and extra-financial communication meets the highest standards of rigor and quality.

With a second top prize, after 2022, and a tenth consecutive year of recognition at the Transparency Awards, Mercialys proves the depth and consistency of its commitment to transparency.

For years, that commitment has taken shape in precise, regular and insightful reporting on the Group’s strategy, performance and commitments. This dedication to transparency directly enhances the appeal of the Mercialys share on the financial markets and the strength of its credit profile, in the service of sustainable value creation for all its stakeholders.

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This press release is available on www.mercialys.com.

Analyst and investor contact

Olivier Pouteau

Tel: +33 (0)6 30 13 27 31

Email: opouteau@mercialys.com

About Mercialys

Mercialys is one of France’s leading real estate companies. It is specialized in the holding, management and transformation of retail spaces, anticipating consumer trends, on its own behalf and for third parties. At December 31, 2025, Mercialys had a real estate portfolio valued at Euro 3.0 billion (including transfer taxes) with an annualized rental base of Euro 178.6 million. Mercialys has been listed on the stock market since October 12, 2005 (ticker: MERY) and has “SIIC” real estate investment trust (REIT) tax status. Part of the SBF 120 and Euronext Paris Compartment A, it had 93,886,501 shares outstanding at December 31, 2025.

IMPORTANT INFORMATION

This press release contains certain forward-looking statements regarding future events, trends, projects or targets. These forward-looking statements are subject to identified and unidentified risks and uncertainties that could cause actual results to differ materially from the results anticipated in the forward-looking statements. Please refer to Mercialys’ Universal Registration Document available at www.mercialys.com for the year ended December 31, 2025 for more details regarding certain factors, risks and uncertainties that could affect Mercialys’ business. Mercialys makes no undertaking in any form to publish updates or adjustments to these forward-looking statements, nor to report new information, new future events or any other circumstances that might cause these statements to be revised.