powerofattorneyforcather

KNOW ALL PERSONS BY THESE PRESENTS, that the undersigned hereby constitutes and appoints Joyce A. Mullen, Glynis A. Bryan, and Samuel C. Cowley her true and lawful attorneys−in−fact and agents, for her, and in her name, place, and stead, in any and all capacities (i) to sign the Insight Enterprises, Inc. Annual Report on Form 10−K for the fiscal year ended December 31, 2022, and any and all amendments thereto and (ii) to file the same, with all exhibits thereto and other documents in connection therewith, with the Securities and Exchange Commission, granting unto said attorneys−in−fact and agents full power and authority to do and perform each and every act and thing requisite and necessary to be done in such connection, as fully to all intents and purposes as the undersigned might or could do in person, hereby ratifying and confirming all that said attorneys−in−fact and agents, may lawfully do or cause to be done by virtue hereof. IN WITNESS WHEREOF, the undersigned has duly executed this instrument as of this ____ day of ________________, 2023. Catherine Courage February1st

Certificate Of Completion Envelope Id: BA7EDE15D7DF4E82A28E3D3BFA63AB3D Status: Completed Subject: Insight Power of Attorney Courage re Form 10-K FYE 12.31.22.docx Source Envelope: Document Pages: 1 Signatures: 1 Envelope Originator: Certificate Pages: 1 Initials: 0 Catherine Courage AutoNav: Enabled EnvelopeId Stamping: Disabled Time Zone: (UTC-08:00) Pacific Time (US & Canada) 1 1, CA 1 [email protected] IP Address: 20.236.201.102 Record Tracking Status: Original 2/1/2023 8:37:08 PM Holder: Catherine Courage [email protected] Location: DocuSign Signer Events Signature Timestamp Catherine Courage [email protected] SVP, Customer Experience DocuSIgn Security Level: Email, Account Authentication (None) Signature Adoption: Pre-selected Style Using IP Address: 73.170.198.135 Sent: 2/1/2023 8:37:08 PM Viewed: 2/1/2023 8:37:55 PM Signed: 2/1/2023 8:38:24 PM Freeform Signing Electronic Record and Signature Disclosure: Not Offered via DocuSign In Person Signer Events Signature Timestamp Editor Delivery Events Status Timestamp Agent Delivery Events Status Timestamp Intermediary Delivery Events Status Timestamp Certified Delivery Events Status Timestamp Carbon Copy Events Status Timestamp Witness Events Signature Timestamp Notary Events Signature Timestamp Envelope Summary Events Status Timestamps Envelope Sent Hashed/Encrypted 2/1/2023 8:37:08 PM Certified Delivered Security Checked 2/1/2023 8:37:55 PM Signing Complete Security Checked 2/1/2023 8:38:24 PM Completed Security Checked 2/1/2023 8:38:24 PM Payment Events Status Timestamps