The PL Capital Group is one of HF Financial's largest outside shareholders, owning 8.2% of the common stock.The annual meeting of HF Financial is currently scheduled for 2:00 pm Central Standard Time on December 13, 2011 at the Best Western Ramkota Inn, 3200 West Maple Street, Sioux Falls, South Dakota. Shareholders that need assistance in voting their shares or have any questions are invited to call D.F. King & Co., Inc. at (800) 859-8509, visit our website at www.dfking.com/hffc, or to contact the principals of PL Capital. Important Information PL Capital, LLC and its affiliates have nominated John W. Palmer as a nominee to the board of directors of HF Financial Corp. (the " Company") and are soliciting votes for the election of Mr. Palmer as a member of the board (the " PL Capital Nominee"). The PL Capital Group (whose members are identified below) has sent a definitive proxy statement, WHITE proxy card and related proxy materials to shareholders of the Company seeking their support of the PL Capital Nominee at the Company's 2011 Annual Meeting of Shareholders. Shareholders are urged to read the definitive proxy statement and WHITE proxy card because they contain important information about the PL Capital Group, the PL Capital Nominee, the Company and related matters. Shareholders may obtain a free copy of the definitive proxy statement and WHITE proxy card and other documents filed by the PL Capital Group with the Securities and Exchange Commission (" SEC") at the SEC's web site at www.sec.gov. The definitive proxy statement and other related SEC documents filed by the PL Capital Group with the SEC may also be obtained free of charge from the PL Capital Group. Participants in Solicitation The PL Capital Group consists of the following persons who are participants in the solicitation from the Company's shareholders of proxies in favor of the PL Capital Nominee: PL Capital, LLC; Goodbody/PL Capital, LLC; Financial Edge Fund, L.P.; Financial Edge-Strategic Fund, L.P.; PL Capital/Focused Fund, L.P.; Goodbody/PL Capital, L.P.; PL Capital Advisors, LLC; Richard J. Lashley; Beth R. Lashley; Dr. Robin Lashley; John W. Palmer; and the PL Capital Defined Benefit Pension Plan. Such participants may have interests in the solicitation, including as a result of holding shares of the Company's common stock. Shareholders may obtain current information regarding the participants and their interests in the definitive proxy statement that was filed by PL Capital Group with the SEC in connection with the Company's 2011 Annual Meeting of Shareholders.