ABL SA Executes the First Purchase Notice of ABL Diagnostics Shares With Alumni Capital

Regulatory information

• No new ABL Diagnostics shares are issued under the Agreement, ensuring no dilution for existing shareholders.
• The Agreement does not require an AMF‑approved prospectus, in accordance with the applicable regulatory exemptions.
• The transaction is conducted exclusively between ABL SA and Alumni Capital, with no impact on ABL Diagnostics’ cash position.

Dr. Chalom Sayada, Chief Executive Officer, stated: “The execution of this first Purchase Notice marks the operational launch of the Agreement entered into between ABL SA and Alumni Capital. This mechanism enhances share liquidity without generating dilution for our shareholders, while ensuring full transparency in accordance regulatory requirements.”

Under the agreement between ABL Luxembourg and Alumni Capital concerning ABL Diagnostics shares, investors should be aware of the following potential risks:

• Price Volatility and Overhang Effect: Alumni Capital is not subject to any lock-up obligation and may resell the shares at its discretion. This could cause fluctuations in the price of ABL Diagnostics shares and create an “overhang” effect, where the market anticipates future selling pressure.
• Lack of Strategic Contribution: Alumni Capital has not requested a seat on the board of directors or governance rights; the investment is purely financial and does not provide any operational or strategic support.
• Market Perception: The absence of restrictions on resale and participation in governance may be perceived negatively by some investors, which could affect market sentiment and liquidity.
• Regulatory Compliance: All transactions carried out under this agreement must comply with applicable securities laws and Euronext regulations; any violation could result in sanctions or penalties.

Previous transaction

This operation follows the transaction announced in August 2025 relating to the sale by ABL SA of 166,667 existing ABL Diagnostics shares to Alumni Capital. That transaction was separate from the Agreement signed in October 2025.

This press release does not constitute an offer to sell or a solicitation of an offer to buy the securities in this offering, nor shall there be any sale of these securities in any state or other jurisdiction in which such offer, solicitation, or sale would be unlawful prior to the registration or qualification under the securities laws of any such state or other jurisdiction.

This press release contains forward-looking statements. These statements do not constitute guarantees of future performance and involve risks and uncertainties. Actual results may differ materially from those anticipated.

About ABL Diagnostics (ABLD)

ABL Diagnostics (ABLD) is an international company that specializes in innovative molecular biology tests and global solutions for its customers:

• Molecular polymerase chain reaction (PCR) detection – UltraGene, and
• Genotyping by DNA sequencing – DeepChek^®.

ABL Diagnostics markets its entire product range globally through its own sales team and a network of exclusive distributors active on all continents. ABL Diagnostics' customers are academic clinical pathology laboratories, private reference laboratories and researchers willing to implement innovative and robust microbiological content in constant expansion.

ABL Diagnostics has been marketing the products and services of its sister company CDL Pharma since the second half of 2025 through an intra-group strategy agreement.

An expanding portfolio of microbiology products:

• HIV – Drug resistance testing, including a whole genome kit.
• SARS-CoV-2, Tuberculosis, Hepatitis B and C – Advanced Detection Solutions.
• Microbiome and taxonomy – 16s/18s RNA-based analyses.
• Other viral and bacterial targets – Comprehensive molecular assays.

Integrated Solutions

• Real-time syndromic PCR tests
• Nadis^® – Patient Medical Record used in more than 200 hospitals in France for the management of HIV and hepatitis.
• MediaChek^® – Clinical Sample Collection Kits.

ABL Diagnostics, headquartered in Woippy, is a public limited company listed on compartment B of the regulated market of Euronext in Paris (Euronext: ABLD – ISIN: FR001400AHX6). These molecular biology products generate recurring revenues and cover one of the largest portfolios of applications in microbiology.

ABL Diagnostics SA
Société anonyme au capital de 1 611 465,60 euros
Headquarter : 72C route de Thionville - 57140 WOIPPY
552 064 933 R.C.S. METZ

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