Guaranty Federal Bancshares, Inc. Information Request Form

Levi & Korsinsky, LLP has commenced an investigation into the fairness of the merger of Guaranty Federal Bancshares, Inc. (“Guaranty” or the “Company”) (NASDAQ: GFED) with QCR Holdings, Inc. (NASDAQ: QCRH) (“QCR Holdings”). Under the terms of the merger, stockholders of Guaranty will have the right to receive for each share of Guaranty common stock owned, at the election of each stockholder, and subject to proration, (i) $30.50 in cash, (ii) 0.58775 shares of QCR Holdings common stock, or (iii) mixed consideration of $6.10 in cash and 0.4702 shares of QCR Holdings common stock, with total consideration to consist of approximately 80% stock and 20% cash.

The Guaranty merger investigation concerns whether the Board of Guaranty has harmed stockholders by agreeing to enter into this transaction and whether all material facts have been properly disclosed to stockholders.