Audit 294106

Title: Basis of Presentation Accounting Policies: Expenditures reported on the schedule are reported on the accrual basis of accounting. These expenditures reported in the SEFA follow the cost principles contained in the Uniform Guidance. The cost principles indicate the certain types of expenditures are not allowable and certain allowable costs are limited as to reimbursement. Signature Preparatory has elected to use the 10 percent de minimus indirect cost rate as allowed under Uniform Guidance for certain grants. De Minimis Rate Used: Y Rate Explanation: Signature Preparatory has elected to use the 10 percent de minimus indirect cost rate as allowed under Uniform Guidance for certain grants. The accompanying Schedules of Expenditures of Federal Awards (“SEFA”) includes the federal grant award activity of Signature Preparatory, under programs of the federal government for the year ended June 30, 2023 in accordance with the requirements of the Uniform Guidance, Audits of States, Local Governments, and Non- Profit Organizations. Therefore, some amounts presented in this schedule may differ from amounts presented in, or used in the preparation of, the basic financial statements. Title 2 U.S. Code of Federal Regulations Part 200, Uniform Administrative Requirements, Cost Principles, and Audit Requirements for Federal Awards (Uniform Guidance).

Title: Summary of Significant Accounting Policies Accounting Policies: Expenditures reported on the schedule are reported on the accrual basis of accounting. These expenditures reported in the SEFA follow the cost principles contained in the Uniform Guidance. The cost principles indicate the certain types of expenditures are not allowable and certain allowable costs are limited as to reimbursement. Signature Preparatory has elected to use the 10 percent de minimus indirect cost rate as allowed under Uniform Guidance for certain grants. De Minimis Rate Used: Y Rate Explanation: Signature Preparatory has elected to use the 10 percent de minimus indirect cost rate as allowed under Uniform Guidance for certain grants. Expenditures reported on the schedule are reported on the accrual basis of accounting. These expenditures reported in the SEFA follow the cost principles contained in the Uniform Guidance. The cost principles indicate the certain types of expenditures are not allowable and certain allowable costs are limited as to reimbursement. Signature Preparatory has elected to use the 10 percent de minimus indirect cost rate as allowed under Uniform Guidance for certain grants.

Title: Pass-Through Awards Accounting Policies: Expenditures reported on the schedule are reported on the accrual basis of accounting. These expenditures reported in the SEFA follow the cost principles contained in the Uniform Guidance. The cost principles indicate the certain types of expenditures are not allowable and certain allowable costs are limited as to reimbursement. Signature Preparatory has elected to use the 10 percent de minimus indirect cost rate as allowed under Uniform Guidance for certain grants. De Minimis Rate Used: Y Rate Explanation: Signature Preparatory has elected to use the 10 percent de minimus indirect cost rate as allowed under Uniform Guidance for certain grants. Signature Preparatory received certain federal financial assistance from pass-through awards of the pass-through entities listed on the SEFA. There were no passed through awards to subrecipients.