Page 2 | Inotiv | Plan Year 2026 This booklet provides only a summary of your benefits. All services described within are subject to the definitions, limitations, and exclusions set forth in each insurance carrier or provider’s contract. Inotiv is proud to continue to offer a comprehensive benefits package to those employees working 30 or more hours per week. The open enrollment period for 2026 runs from October 31st to November 13th, 2025, and benefits will become effective on January 1, 2026. • Except for Health Savings Account (HSA) and Flexible Spending Account (FSA) contribution elections, other current benefit elections will rollover into 2026.  Employees must make 2026 HSA or FSA elections during open enrollment, or their contributions to the HSA or FSA will be defaulted to non-participating.  In order to get the employer contribution to the HSA, you must Select the HSA benefit plan even if you choose to contribute zero dollars yourself. If you choose Waive, you will not get the employer contribution.  Employees can change their benefit plans and add or drop dependents for 2026 during open enrollment.  If a dependent is added to the medical plan, then dependent verification documents (birth certificates, marriage licenses, etc.) are required to be uploaded into Workday before you can submit your elections.  After Open Enrollment, you can only make plan changes or add/drop dependents during 2026 with a qualifying life event. • There will be premium increases for all medical plans for 2026. • All other plan premiums, providers, and plan designs will remain the same. • If you are adding or increasing employee voluntary life insurance by more than $10,000 or spouse life insurance by any more then $5,000, you will need to complete evidence of insurability through Sun Life by November 21, 2025. • All Health Savings & Flexible Spending accounts remain with Lively– deduction elections for health savings or flexible spending are required during Open Enrollment. • Legal notices and benefit plan summary documents are available on the benefits website at https://benefits.inotiv.com. What you need to know for 2026

2026  Open Enrollment Employee Benefits Guide - Page 2 2026 Open Enrollment Employee Benefits Guide Page 1 Page 3