Page 2 | Duncan Supply Company, Inc.| Plan Year 2025 Open Enrollment 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. 2025-26 Plan Year Details Open Enrollment • Dental Plan carrier – Anthem Dental Network • Employee premiums remain the same. Dental Plan • Vision Plan carrier – Anthem Blue View Vision • Employee premiums remain the same. Vision Plan • Medical Plan carrier – Anthem Blue Access Network • Slight increase in employee premiums. • Mandated increase in deductibles for HSA plan. Medical Plan Duncan Supply Company emphasizes the importance of health, wellness, and financial security for employees and their families. During Open Enrollment, which runs from February 6 to February 14, 2025, employees can enroll in or make changes to their benefits. Open Enrollment for 2025-26 is passive, meaning if no changes are made, current elections will automatically roll over. However, it’s still the only time of year to adjust benefits unless a qualifying life event occurs. Any changes made will take effect on March 1, 2025. Life and Disability • Life & Disability carrier – New York Life & Allstate • Anthem life, STD & LTD coverages will move to New Your Life. • Opportunity to elect Life and Disability coverages or increase Voluntary Life coverages up to guarantee issue limit without EOI. • Anthem Engage 200 • Download & register on the Anthem Sydney app • Participate in Wellbeing Solutions activities and health coaching • Receive electronic gift card rewards up to $200 annually Health Advocate & Wellbeing Solutions Worksite Benefits & Call Center • Accident, Critical Illness, EAP, Health Advocacy and more … • Carriers – Allstate and New York Life • Allstate products require EOI for late entrants in Cancer & STD • Health Advocate and EAP through New York Life

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