CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

We hereby consent to the incorporation by reference in this Registration Statement on Form N-1A of Fidelity Aberdeen Street Trust of our report dated May 12, 2026, relating to the financial statements and financial highlights of Fidelity Flex Freedom Blend Retirement Fund, Fidelity Flex Freedom Blend 2010 Fund, Fidelity Flex Freedom Blend 2015 Fund, Fidelity Flex Freedom Blend 2020 Fund, Fidelity Flex Freedom Blend 2025 Fund, Fidelity Flex Freedom Blend 2030 Fund, Fidelity Flex Freedom Blend 2035 Fund, Fidelity Flex Freedom Blend 2040 Fund, Fidelity Flex Freedom Blend 2045 Fund, Fidelity Flex Freedom Blend 2050 Fund, Fidelity Flex Freedom Blend 2055 Fund, Fidelity Flex Freedom Blend 2060 Fund, Fidelity Flex Freedom Blend 2065 Fund, and Fidelity Flex Freedom Blend 2070 Fund, which appears in Fidelity Aberdeen Street Trust’s Certified Shareholder Report on Form N-CSR for the year ended March 31, 2026. We also consent to the references to us under the headings “Independent Registered Public Accounting Firm” and “Financial Highlights” in such Registration Statement.

/s/ PricewaterhouseCoopers LLP

Boston, Massachusetts

May 20, 2026