10-K: Annual report
10-K: MAIN DOCUMENT
EX-10.22: CREDIT AGREEMENT, DATED MARCH 29, 2012
EX-12.1: RATIO OF EARNINGS TO FIXED CHARGES
EX-21: QUANTUM SUBSIDIARIES
EX-23: CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM
EX-31.1: CERTIFICATION OF THE CHIEF EXECUTIVE OFFICER
EX-31.2: CERTIFICATION OF THE CHIEF FINANCIAL OFFICER PURSUANT
EX-32.1: CERTIFICATION OF CHIEF EXECUTIVE OFFICER PURSUANT TO 18 U.S.C. SECTION 1350
EX-32.2: CERTIFICATION OF CHIEF FINANCIAL OFFICER PURSUANT TO 18 U.S.C. SECTION 1350
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