X0202 3 2007-11-30 1 0001412350 PIMCO Income Opportunity Fund PKO 0001424598 El-Erian Mohamed 840 NEWPORT CENTER DRIVE, SUITE 100 NEWPORT BEACH CA 92660 0 0 0 1 Affiliated Person 0001201894 HARRIS BRENT R 840 NEWPORT CENTER DRIVE NEWPORT BEACH CA 92660 0 0 0 1 Affiliated Person 0001423452 Otterbein Thomas J 840 NEWPORT CENTER DRIVE, SUITE 100 NEWPORT BEACH CA 92660 0 0 0 1 Affiliated Person 0001201898 POWERS WILLIAM C 840 NEWPORT CENTER DRIVE NEWPORT BEACH CA 92660 0 0 0 1 Affiliated Person 0001329560 Schmider Ernest L 840 NEWPORT CENTER DRIVE NEWPORT BEACH CA 92660 0 0 0 1 Affiliated Person 0001201902 WEIL RICHARD M 840 NEWPORT CENTER DRIVE NEWPORT BEACH CA 92660 0 0 0 1 Affiliated Person Pacific Investment Management Company LLC (PIMCO) is the investment adviser of the Issuer. Messrs. El-Erian, Harris, Otterbein, Powers, Schmider and Weil are members of PIMCO's Executive Committee. Brian S. Shlissel, Attorney in fact for Messrs. El-Erian, Harris, Otterbein, Powers, Schmider and Weil 2008-05-05