X0202 3 2007-07-09 1 0000830474 BLACKROCK HIGH INCOME SHARES HIS 0001406689 Keenan James BLACKROCK FINANCIAL MANAGEMENT, INC. 40 EAST 52ND STREET NEW YORK NY 10022 0 0 0 1 Portfolio Manager Vincent B. Tritto as Attorney-in-Fact 2007-07-17