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GRANT THORNTON LLP 1100 Peachtree St. NE, Suit 1400 Atlanta, GA 30309 D +1 404 330 2000 F +1 404 475 0107		REPORT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM Board of Directors of BellOak, LLC We have examined management’s assertion, included in the accompanying Management’s Report on Assessment of Compliance with SEC Regulation AB Servicing Criteria (“Management’s Report”), that BellOak, LLC (the “Company” or “BellOak”) complied with the servicing criteria set forth in Items 1122(d)(3)(i)(A-B) and 1122(d)(4)(vii) of the U.S. Securities and Exchange Commission’s Regulation AB for the Senior Trust Advisor, Trust Advisor, and Operating Advisor Services Platform (the “Platform”) as of and for the year ended December 31, 2025. The Platform consists of the asset-backed transactions and securities as defined by management in Appendix B of Management’s Report. Management is responsible for the Company’s compliance with the applicable servicing criteria. Our responsibility is to express an opinion on management’s assertion about the Company’s compliance with the applicable servicing criteria for the Platform based on our examination. Our examination was conducted in accordance with the standards of the Public Company Accounting Oversight Board (United States) and in accordance with attestation standards established by the American Institute of Certified Public Accountants, and, accordingly, included examining, on a test basis, evidence about the Company’s compliance with the applicable servicing criteria for the Platform and performing such other procedures as we considered necessary in the circumstances. Our examination included testing selected asset-backed transactions and securities constituting the Platform and evaluating whether the Company performed servicing activities related to those transactions and securities in compliance with the applicable servicing criteria for the period covered by this report. Accordingly, our testing may not have included servicing activities related to each asset-backed transaction or security constituting the Platform. Further, our examination was not designed to detect material noncompliance that may have occurred prior to the period covered by this report and that may have affected the Company’s servicing activities during the period covered by this report. We believe that our examination provides a reasonable basis for our opinion. Our examination does not provide a legal determination on the Company’s compliance with the applicable servicing criteria. We are required to be independent and to meet our other ethical responsibilities in accordance with relevant ethical requirements relating to the engagement. In our opinion, management’s assertion that BellOak, LLC complied with the aforementioned applicable servicing criteria as of and for the year ended December 31, 2025, for the Platform is fairly stated, in all material respects. Grant Thornton LLP Atlanta, Georgia February 20, 2026


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GS Mortgage Securities Trust 2015-GC30 10-K