Tempus AI, Inc.

Labor Union:District Lodge 8, International Association of Machinists & Aerospace Workers, AFL-CIO

Voting Unit (Unit A):ncluded: All full-time and regular part-time Application Scientists; Assay Implementation Scientists; Lab Automation Engineers; Associate Engineer - Lab Automation; Project Engineer - Lab Automation; Senior Engineer - Lab Automation; Lab Documentation Specialists; Process Documentation Specialists; Associate Scientists; Staff Scientists; Part Time Histotechnologists; Histotechnologists II, Ill, and IV (including Leads); Pathology Lab Coordinators I, II, and Ill (including Leads); Quality Control Technologists I, 11, and Ill (including Leads); and Molecular Technologists II, 111, and IV (including Leads) employed by the Employer at its facility currently located at 600 W. Chicago Avenue, Chicago, IL. Excluded: All non-professional employees, confidential employees, managerial employees, guards and supervisors as defined by the Act.

Voting Unit (Unit B):Included: All full-time and regular part-time Clinical Lab Associates I - Accessioning; Clinical Lab Associates II - Accessioning; Clinical Lab Associates I - Order Processing; Clinical Lab Associates II - Order Processing; Clinical Lab Associates I - Returns; Clinical Lab Associates II - Returns; Clinical Lab Associates - Sample Returns; Extraction Coordinators; Facilities Associates II; Facilities Associates IV; Histology Assistants; Histology Associates; Histotechnologists I; Inventory Coordinator I; Inventory & Receiving Coordinators I; Lead Inventory & Receiving Coordinators Ill; Lab Operations Asset Archivists; Lab Operators Associates - Asset Archivist I; Lab Operations Associates - Asset Archivist II; Lab Operations Associates I and II; Lead Lab Operations Associates Ill; Lead Clinical Lab Associates I - Accessioning; Lead Clinical Lab Associates II - Accessioning; Lead Clinical Lab Associates Ill - Accessioning; Lead Clinical Lab Associates I - Order Processing; Lead Clinical Lab Associates II - Order Processing; Lead Clinical Lab Associates I - Returns; Lead Clinical Lab Associates Ill - Returns; Molecular Technologists I; and Quality Control Associates II employed by the Employer at its facility currently located at 600 W. Chicago Avenue, Chicago, IL. Excluded: All professional employees, confidential employees, managerial employees, guards and supervisors as defined by the Act. If a majority of the professional employees voting in Unit A vote "Yes" to the first question, indicating their desire to be included in a unit with nonprofessional employees, they will be so included, and their votes on the second question will be counted together with the votes of the nonprofessional employees in Unit B to decide the question concerning representation for the overall unit (Unit C) consisting of the employees in Units A and B and thereby the following employees will constitute a unit appropriate for the purposes of collective bargaining within the meaning of 9(b) of the Act.

Union to Certify:District Lodge 8, International Association of Machinists & Aerospace Workers, AFL-CIO