Soluna Holdings, Inc

Item 14. Principal Accountant Fees and Services

Principal Accountant Fees and Services

The following table summarizes the fees paid for professional services rendered by UHY LLP, our independent registered public accounting firm, for each of the last fiscal years:

Audit Fees

Audit fees for the fiscal years ended December 31, 2025 and 2024, were for professional services rendered for the annual financial statements audit and related audit procedures, the audit of internal control over financial reporting, work performed in connection with any registration statements, including comfort letters, and any applicable Current Reports on Form 8-K and the review of any of our Quarterly Reports on Form 10-Q.

All Other Fees

All other fees for the fiscal years December 31, 2025 and 2024 were for professional services rendered for standalone financial statements audits and related audit procedures of multiple subsidiaries of Soluna Digital, Inc.

Audit Committee Pre-Approval Policies and Procedures

The Audit Committee has adopted the following policies and procedures under which frequently-utilized audit and non-audit services are pre-approved by the Audit Committee and the authority to authorize the independent registered public accountants to perform such services is delegated to a single committee member or executive officer.

a)Annual audit, quarterly review, and annual tax return services will be pre-approved upon review and acceptance of the tax and audit engagement letters submitted by the independent registered public accountants to the Audit Committee.

b)Additional audit and non-audit services related to the resolution of accounting issues or the adoption of new accounting standards, audits by tax authorities, or reviews of public filings by the SEC must be pre-approved by the Audit Committee and the authority to authorize the independent registered public accounting firm to perform such services is delegated to the Chairman of the Audit Committee for fees up to $5,000, and for fees above $5,000 entire Committee approval is required.

c)Additional audit and non-audit services related to tax savings strategies, tax issues arising during the preparation of tax returns, tax estimates, and tax code interpretations must be pre-approved by the Audit Committee and the authority to authorize the independent registered public accounting firm to perform such services is delegated to the Chairman of the Audit Committee for fees up to $5,000, and for fees above $5,000 entire Committee approval is required.

d)Additional audit and non-audit services related to the tax and accounting treatments of proposed business transactions must be pre-approved by the Audit Committee and the authority to authorize the independent registered public accountants to perform such services is delegated to the Chairman of the Audit Committee for fees up to $5,000, and for fees above $5,000 entire Committee approval is required.

e)Quarterly and annually, a detailed analysis of audit and non-audit services will be provided to and reviewed with the Audit Committee.