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Hi Jamie, Ahh the start of pumpkin spice season. It’s also that lovely time of the year here in Missouri in between complaining it is too hot, and complaining it is too cold outside. Thank you so much for sharing this! Super interesting. I really appreciate the collaboration between our teams. I’ll share this within our organization and reach out if there is any questions or feedback. Let us know if we can support any further projects. Have a Great Day, 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: Jamie York <Jamie.York@restek.com> Sent: Thursday, October 2, 2025 12:31 PM To: Andrew Hartmann <ahartmann@utak.com> Cc: Samantha Herbick <Samantha.Herbick@restek.com> Subject: Restek & UTAK collaboration Hi Andrew, I hope you're doing well and getting some fall weather! As promised, please find the attached two posters that use the UTAK products that were gifted. Both of these posters will be presented at SOFT this year. They will also both be presented at AAFS 2026 next year (pending abstract acceptance) and there will also be a corresponding blog for the oral fluid work, and an application note on the EtG and EtS work. The synthetic oral fluid will also be used in another project that will also generate collateral. I will send you the blog and app note once they go through the editing process. Thank you again for the collaboration and please let us know if you need anything or have any questions. Best regards, Jamie L. York PhD Principal Scientist, LC Solutions 110 Benner Cir, Bellefonte, PA, 16823, USA Tel: +1 800-356-1688 | +1 814-353-1300 Jamie.York@restek.com | www.restek.com