^** To qualify for the GM Limited-Time Special, you must: (1) be a current Costco Gold Star, Business, or Executive level Member by September 30, 2025; (2) register with Costco Auto Program online or through its call center by January 2, 2026, to receive a certificate with your unique promotion code; (3) present your certificate and unique promotion code to any Chevrolet, GMC, or Cadillac dealer at time of visit; (4a) take delivery between October 1, 2025, and January 2, 2026, of a new 2024, 2025, 2026 Chevrolet Blazer EV, Equinox EV, Silverado EV; 2024, 2025, 2026 GMC Sierra EV, Hummer EV SUV, or Hummer EV Pickup; 2025 Cadillac Escalade IQ to receive a $1,000 Gold Star/Business Membership Costco member-only incentive or $1,250 Executive level Membership Costco member-only incentive; (4b) take delivery between October 1, 2025, and January 2, 2026, of a new 2025 Chevrolet BrightDrop 400, BrightDrop 600 to receive a $2,750 Gold Star/Business Membership Costco member-only incentive or $3,000 Executive level Membership Costco member-only incentive. (4c) take delivery between October 23, 2025, and January 2, 2026, of a new 2024, 2025, 2026 Chevrolet Silverado 1500(LD) to receive a $1,000 Gold Star/Business Membership Costco member-only incentive or $1,250 Executive level Membership Costco member-only incentive. Incentive will be applied at time of eligible purchase or lease and is compatible with current eligible manufacturer incentives for which you qualify. Incentive is subject to change due to vehicle inventory availability. Visit CostcoAuto.com/GM for full details. Costco and its affiliates do not sell automobiles or negotiate individual transactions.

^†† To qualify for the GM Rewards Limited-Time Special and receive 10,000 GM Rewards points for Costco Gold Star, Business Membership or 12,000 GM Rewards points for Executive Membership on eligible purchases you must: (1) be a Costco Gold Star, Business, or Executive level Member by October 1, 2025; (2) be an individual consumer 18 years or older residing in the fifty (50) United States or Washington, D.C.; (3) be a GM Rewards Member or enroll in the GM Rewards Program within 30 days of the purchase of a qualifying vehicle at experience.gm.com/createaccount; (4) register with Costco Auto Program online or through its call center by January 2, 2026, to receive a certificate with your unique promotion code; (5) present your certificate and unique promotion code to any Chevrolet, GMC, or Cadillac dealer at time of visit; (6) take delivery between October 23, 2025, and January 2, 2026, of a new 2024, 2025, 2026 Chevrolet Silverado 1500(LD), Chevrolet Blazer EV, Equinox EV, Silverado EV; 2024, 2025, 2026 GMC Sierra EV, Hummer EV SUV, or Hummer EV Pickup; 2025 Cadillac Escalade IQ, or a new 2025, 2026 Chevrolet BrightDrop 400, BrightDrop 600, through the GM Limited-Time Special. GM Rewards Members also earn 1 point for every $5 spent on a new GM lease or purchase, based on the vehicle MSRP and excluding taxes and fees. Points will be awarded within 45 days of your qualifying vehicle purchase. GM Limited-Time Special Incentive is subject to change due to vehicle inventory availability. Visit CostcoAuto.com/GM for full details. Costco and its affiliates do not sell automobiles or negotiate individual transactions.

^**To qualify for the GM Limited-Time Special, you must: (1) be a current Costco Gold Star, Business, or Executive level Member by September 30, 2025; (2) register with Costco Auto Program online or through its call center by January 2, 2026, to receive a certificate with your unique promotion code; (3) present your certificate and unique promotion code to any Chevrolet, GMC, or Cadillac dealer at time of visit; (4a) take delivery between October 1, 2025, and January 2, 2026, of a new 2024, 2025, 2026 Chevrolet Blazer EV, Equinox EV, Silverado EV; 2024, 2025, 2026 GMC Sierra EV, Hummer EV SUV, or Hummer EV Pickup; 2025 Cadillac Escalade IQ to receive a $1,000 Gold Star/Business Membership Costco member-only incentive or $1,250 Executive level Membership Costco member-only incentive; (4b) take delivery between October 1, 2025, and January 2, 2026, of a new 2025 Chevrolet BrightDrop 400, BrightDrop 600 to receive a $2,750 Gold Star/Business Membership Costco member-only incentive or $3,000 Executive level Membership Costco member-only incentive. (4c) take delivery between October 23, 2025, and January 2, 2026, of a new 2024, 2025, 2026 Chevrolet Silverado 1500(LD) to receive a $1,000 Gold Star/Business Membership Costco member-only incentive or $1,250 Executive level Membership Costco member-only incentive. Incentive will be applied at time of eligible purchase or lease and is compatible with current eligible manufacturer incentives for which you qualify. Incentive is subject to change due to vehicle inventory availability. Visit CostcoAuto.com/GM for full details. Costco and its affiliates do not sell automobiles or negotiate individual transactions.

^* Eligible military personnel includes Active Duty members, Reservists, National Guard members, Veterans and Retirees of the U.S. Army, Navy, Air Force, Marine Corps and Coast Guard. Eligible participants are able to sponsor their spouse. At participating dealers only. Visit gmmilitaryappreciation.com for program eligibility details and for a list of eligible vehicles. Not available with some other offers. Must provide authorization number to participating dealer prior to or at time of vehicle delivery to receive offer. Take new retail delivery by 1/2/26.

^*Must be employed by a public school, private school, college or university. Please note that employees of state or municipal governments may be subject to restrictions that limit their ability to accept this offer. Accordingly, this offer is void unless permitted by state and municipal laws, regulations, rules, ordinances, policies, codes of conduct, and other directives or standards regarding ethics and gift acceptance by state and municipal employees. By accepting this offer, you verify that it complies with all restrictions regarding ethics and gift acceptance that apply to you. Eligible participants are able to sponsor their spouse. At participating dealers only. Visit gmeducatorappreciation.com for program eligibility details and for a list of eligible vehicles. Not available with some other offers. Must provide authorization number to participating dealer prior to or at time of vehicle delivery to receive offer. Take new retail delivery by 1/2/26.

^* Must be employed by a public school, private school, college or university. Please note that employees of state or municipal governments may be subject to restrictions that limit their ability to accept this offer. Accordingly, this offer is void unless permitted by state and municipal laws, regulations, rules, ordinances, policies, codes of conduct, and other directives or standards regarding ethics and gift acceptance by state and municipal employees. By accepting this offer, you verify that it complies with all restrictions regarding ethics and gift acceptance that apply to you. Eligible participants are able to sponsor their spouse. At participating dealers only. Visit gmeducatorappreciation.com for program eligibility details and for a list of eligible vehicles. Not available with some other offers. Must provide authorization number to participating dealer prior to or at time of vehicle delivery to receive offer. Take new retail delivery by 1/2/26.

^*Must be a current Firefighter, Police, EMT/Paramedic or 911 Dispatcher. First Responders employed by federal, state or municipal governments may be subject to restrictions that limit their ability to accept this offer. Accordingly, this offer is void unless permitted by applicable federal, state and municipal laws, regulations, rules, ordinances, policies, codes of conduct, and other directives or standards regarding ethics and gift acceptance by the applicable federal, state or municipal employees. By accepting this offer, you verify that doing so complies with all laws, regulations, policies or other restrictions regarding ethics or gift acceptance that apply to you. Eligible participants are able to sponsor their spouse. At participating dealers only. Visit gmfirstresponderappreciation.com for program eligibility details and for a list of eligible vehicles. Not available with some other offers. Must provide authorization number to participating dealer prior to or at time of vehicle delivery to receive offer. Take new retail delivery by 1/2/26.

^††To qualify for the GM Rewards Limited-Time Special and receive 10,000 GM Rewards points for Costco Gold Star, Business Membership or 12,000 GM Rewards points for Executive Membership on eligible purchases you must: (1) be a Costco Gold Star, Business, or Executive level Member by October 1, 2025; (2) be an individual consumer 18 years or older residing in the fifty (50) United States or Washington, D.C.; (3) be a GM Rewards Member or enroll in the GM Rewards Program within 30 days of the purchase of a qualifying vehicle at experience.gm.com/createaccount; (4) register with Costco Auto Program online or through its call center by January 2, 2026, to receive a certificate with your unique promotion code; (5) present your certificate and unique promotion code to any Chevrolet, GMC, or Cadillac dealer at time of visit; (6) take delivery between October 23, 2025, and January 2, 2026, of a new 2024, 2025, 2026 Chevrolet Silverado 1500(LD), Chevrolet Blazer EV, Equinox EV, Silverado EV; 2024, 2025, 2026 GMC Sierra EV, Hummer EV SUV, or Hummer EV Pickup; 2025 Cadillac Escalade IQ, or a new 2025, 2026 Chevrolet BrightDrop 400, BrightDrop 600, through the GM Limited-Time Special. GM Rewards Members also earn 1 point for every $5 spent on a new GM lease or purchase, based on the vehicle MSRP and excluding taxes and fees. Points will be awarded within 45 days of your qualifying vehicle purchase. GM Limited-Time Special Incentive is subject to change due to vehicle inventory availability. Visit CostcoAuto.com/GM for full details. Costco and its affiliates do not sell automobiles or negotiate individual transactions.