X0303 4 2010-08-30 0 0000887359 AASTROM BIOSCIENCES INC ASTM 0001242613 MAYLEBEN TIMOTHY M PO BOX 376 ANN ARBOR MI 48106 1 1 0 0 CEO and President Common Stock 2010-08-30 4 P 0 17200 1.45 A 69618 D The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $1.4425 to $1.45, inclusive. The reporting person undertakes to provide Aastrom Biosciences, Inc., any security holder of Aastrom Biosciences, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote (1). /s/ Timothy Mayleben 2010-08-31