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Hi Gabriele, Thank you so much for this update, and the opportunity to work with your team. While I am bummed this did not work out we appreciate the opportunity to present our products to your team. If we can ever be of support please do not hesitate to reach out. Could you share with us what vitamins and Amino acids you detected that cased an issue? If you also have estimated concentration info that is greatly appreciated. Thank you, Andrew Hartmann Business Development Manager – 25020 Avenue Tibbitts Valencia, CA 91355 – D +1.661.567.0667 P +1.888.UTAK.LAB F +1.661.294.9272 – Book a Meeting with Me https://calendly.com/ahartmann-utak/30min utak.com From: Gabriele Santini <gsantini@werfen.com> Sent: Monday, September 22, 2025 4:10 AM To: Andrew Hartmann <ahartmann@utak.com>; Alessandra Cicconetti <acicconetti@werfen.com> Cc: Federico Orpilli <forpilli@werfen.com>; Armando Mori <amori@werfen.com>; Bruno Costantini <bcostantini@werfen.com> Subject: R: [EXTERNAL] Werfen and UTAK Dear Andrew, thank you for your email. We have completed the documental evaluation, and your product is not considered acceptable at this step. In particular, the presence of amino acids and vitamins may negatively impact the performance of immunoassay system. At this step we identified other strategies for our product. Of course, we are always open to discuss for further business opportunity with UTAK. Thanks again for the cooperation. Kind regards, Gabriele Santini R&D Manager, Clinical Chemistry SBU werfen via 327°, 11 - Zona Ind.le Campolungo 63100 Ascoli Piceno, Italy Tel. +39 0736818936 Cell. +39 3483372155 werfen.com ________________________________________ Da: Andrew Hartmann <ahartmann@utak.com> Inviato: venerdì 29 agosto 2025 20:59 A: Alessandra Cicconetti <acicconetti@werfen.com>; Gabriele Santini <gsantini@werfen.com> Cc: Federico Orpilli <forpilli@werfen.com>; Armando Mori <amori@werfen.com>; Bruno Costantini <bcostantini@werfen.com> Oggetto: RE: [EXTERNAL] Werfen and UTAK CAUTION: This email originated from outside of the organization. Do not click links or open attachments unless you recognize the sender and know the content is safe. Hi Team Werfen, I wanted to circle back and see if you have had a chance to try our SMx serum. I would love to know what you think of it. If there is anything TAK can do to be of support please don’t hesitate to reach out to us. Thank You,