Third Circuit Court Notice and Notice to Creditors P. No. 3CLP-25-0000265 Estate of Gregory Allen Koestering, also known as Gregory A. Koestering and Gregory Koestering, Deceased. Filed, a document purporting to be the last Will of the above-named Decedent who died on May 15, 2025, together with an Application by Mary Ann Brewer, whose mailing address is c/o Shawn H. Yamada, Esq., Carlsmith Ball LLP, 121 Waianuenue Ave., Hilo, Hawaii 96720, praying for informal probate and issuance of Letters Testamentary to said Mary Ann Brewer. If any interested person has objections to the informal probate, the person may file a petition for formal testacy proceedings; if any interested person desires further notice concerning the Estate, including notice concerning the closing and distribution of the Estate, the person must file a Demand for Notice pursuant to HRS § 560:3-204. All creditors of the above-named Estate are hereby notified to present their claims with proper vouchers or duly authenticated copies thereof, even if the claim is secured by mortgage upon real estate, to said nominee, at the address shown above, within four (4) months from the date of the first publication of this notice or they will be forever barred. Dated: Hilo, Hawaii, August 11, 2025. /s/ Darla Requelman Clerk Attorney for Applicant: Shawn H. Yamada Tel. No. (808) 935-6644 Fax No. (808) 935-7975 (WHT1502586 8/15, 8/22/25)