Information Summary Subscriber activity report This record contains information from the CEC database and is accurate as of: Tue May 12 2026 17:30:02. Please print or save for your records. Legal Name Charter Number Filing Type Status COSTCO HEALTH SOLUTIONS, INC. 20180238 F BUSINESS CORPORATION DOING BUSINESS IN MAINE GOOD STANDING Qualification Date Expiration Date Jurisdiction 10/10/2017 N/A WASHINGTON Other Names (A=Assumed ; F=Former) NONE Principal Home Office Address Physical Mailing 999 LAKE DRIVE ISSAQUAH, WA 98027 ATTN: LICENSING P.O. BOX 35005 SEATTLE, WA 98124-3405 Clerk/Registered Agent Physical Mailing C T CORPORATION SYSTEM 3 CHASE AVENUE AUGUSTA, ME 04330 C T CORPORATION SYSTEM 3 CHASE AVENUE AUGUSTA, ME 04330 Click on a link to obtain additional information. List of Filings View list of filings Obtain additional information: Certificate of Existence (Good Standing) (more info) Short Form without amendments ($30.00) Certificate of Legal Existence (more info) Short Form without amendments ($30.00) You will need Adobe Acrobat version 3.0 or higher in order to view PDF files. If you encounter problems, visit the troubleshooting page.

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