Exhibit 4(a) INVESTMENT ADVISORY AGREEMENT AGREEMENT, dated September 29, 2006, between BlackRock Financial Institutions Series Trust, a Massachusetts business trust (the "Trust"), on behalf of BlackRock Summit Cash Reserves Fund (the "Fund"), a...Investment Advisory Agreement • September 21st, 2006 • Financial Institutions Series Trust • New York
Exhibit 4(b) SUB-INVESTMENT ADVISORY AGREEMENT AGREEMENT dated September 29, 2006, between BlackRock Advisors, LLC, a Delaware limited liability corporation (the "Advisor"), and BlackRock Institutional Management Corporation, LLC, a Delaware...Sub-Investment Advisory Agreement • September 21st, 2006 • Financial Institutions Series Trust • New York
OF BLACKROCK SUMMIT CASH RESERVES FUND OF BLACKROCK FINANCIAL INSTITUTIONS SERIES TRUSTInvestor B Shares Distribution Plan • September 21st, 2006 • Financial Institutions Series Trust
