Microlithographically Fabricated Chips and Microelectrodes for Chemical and

Microlithographically Fabricated Chips and Microelectrodes for Chemical and Biological Sensor Research and Development ABTECH Scientific, Inc. Virginia Biotechnology Research Park 800 East Leigh Street, Suite 52 Richmond, Virginia 23219 USA sales@abtechsci. com 9/26/2020 http: //www. abtechsci. com

Microfabricated Interdigitated Microsensor Electrodes (IMEs) XX = 5, 10, 15, 20 mm 9/26/2020 IME XX 50. 5 M, CD, FD; Au, Pt, ITO

Microelectrodes Oxygen Microelectrodes 9/26/2020 p. H and REF Microelectrodes

Liquid Flow Cell Detector IME 1010. 3 FD Au, Pt, ITO 9/26/2020

Gas / Vapor Flow Cell Detector IME 1010. 3 FD Au, Pt, ITO 9/26/2020

Microdisc Electrode Arrays 1 MDEA XXX Au, Pt 9/26/2020

Microdisc Electrode Arrays 2 50 mm 9/26/2020 x 50 MDEA DEVICES Disc dimensions / Number of Discs Active Area Conductor MDEA 3600 D = 3, 600 mm 1 disc 0. 10 cm 2 Au, Pt, ITO MDEA 250 D = 250 mm 207 microdiscs 0. 10 cm 2 Au, Pt, ITO MDEA 100 D = 100 mm 1, 296 microdiscs 0. 10 cm 2 Au, Pt, ITO MDEA 50 D = 50 mm 5, 184 microdiscs 0. 10 cm 2 Au, Pt, ITO 100 mm x 50 250 mm x 50 3600 mm x 50

Microdisc Electrode Arrays 3 50 mm 100 mm 250 mm 3600 mm 9/26/2020

Microdisc Electrode Arrays 4 PAn. Cl on MDEA 50 Au x 50 PAn. Cl on MDEA 100 Au x 50 öTotal current density applied = 100 m. A/cm 2 öTotal time = 20 s öTotal charge density = 2 C/cm 2 PAn. PSS on MDEA 50 Au x 50 PAn. PSS on MDEA 100 Au x 50 9/26/2020

Microband Electrodes Independently Addressable Microband Electrodes (IAMEs) IAME XX 04, Au, Pt or ITO XX = 5, 10, 15, 20 mm 9/26/2020

Microband Electrodes Independently Addressable Interdigitated Microsensor Electrodes (IAIMEs) IAIME XX 10, Au, Pt or ITO XX = 5, 10, 15, 20 mm 9/26/2020

Electrochemical Cell-on-a-Chip (ECC) A B C D E F G 9/26/2020

Electrochemical Cell-on-a-Chip (ECC) ECC IME XX 04, Au, Pt or ITO 1 cm XX = 05, 10, 15, 20 mm C 1 C 2 2 cm 9/26/2020 A B C D E F G

Electrochemical Cell-on-a-Chip (ECC) Counter Electrode Unsilverized Interdigitated WE 1 and WE 2 Reference Electrode, Ag/Ag. Cl Silverized Si 3 N 4 Passivation Layer Unmodified Polypyrrole modified 9/26/2020

Electrochemical Cell-on-a-Chip (ECC) Integrated in a Microfluidic Cassette Polypyrrole modified 9/26/2020 An integrated biochip showing the microfabricated pattern of electrodes bonded and sealed into the Microncs’ microfluidic T-cassette.

IAME-co-IME 2 -1 Au, Pt Independently Addressable Microband Electrodes and Microfrabricated Interdigitated Microsensor Electrodes) 9/26/2020

IAME-co-IME 2 -1 Au, Pt Independently Addressable Microband Electrodes and Microfrabricated Interdigitated Microsensor Electrodes) 4 bands 3 mm long 2 mm lines, 1 mm space 9/26/2020 5 + 5 fingers 3 mm long 2 mm lines, 1 mm space

IAME-co-IME 2 -1 Au, Pt 9/26/2020

IAME-co-IME 2 -1 Au, Pt Independently Addressable Microband Electrodes and Microfrabricated Interdigitated Microsensor Electrodes) 2 m line 1 m space 9/26/2020

Sensor Arrays of VOC Responsive Polymers for the Electronic NOSE n 9/26/2020 Chips of 5μm, 10μm, 15μm and 20μm with electropolymerized PPy. CSA

People Management Team James W. Sharpe, MBA Chairman and CEO James W. Sharpe, MBA Chairman Anthony Guiseppi-Elie, Sc. D. President and Scientific Director James R. Funkey, MA, CPA VP and Controller Annette Guiseppi-Elie, Ph. D. Ann M. Wilson Director, Applications Development TBH VP, Business Development Patent and IP Council Leigh P. Gregory Patent Attorney Clemson, SC, USA 9/26/2020 Board of Directors Cynthia Garwon-Burke, Ph. D. Scientific Advisory Board Anthony Guiseppi-Elie, Sc. D. David Allara, Ph. D. (Penn State University) Norman Sheppard, Jr.