PIMCO CORPORATE & INCOME OPPORTUNITY FUND

NOTICE OF CHANGE OF TRUSTEES

WHEREAS, PIMCO Corporate & Income Opportunity Fund (the “Trust”) is organized as a trust under the laws of the Commonwealth of Massachusetts;

WHEREAS, Craig A. Dawson resigned as a Trustee of the Trust, effective January 1, 2019; and

WHEREAS, the Board nominated and appointed Sarah E. Cogan as a Trustee of the Trust, effective January 1, 2019; and

WHEREAS, the Board nominated and appointed David N. Fisher as a Trustee of the Trust, effective January 1, 2019;

NOW, THEREFORE, as a result of the foregoing Trustee resignation and nominations and appointments, the nine (9) Trustees of the Trust are:

Sarah E. Cogan	1633 Broadway
	New York, New York 10019
Deborah A. DeCotis	1633 Broadway
	New York, New York 10019
David N. Fisher	650 Newport Center Drive Newport Beach, CA 92660
Bradford K. Gallagher	1633 Broadway
	New York, New York 10019
James A. Jacobson	1633 Broadway
	New York, New York 10019
Hans W. Kertess	1633 Broadway
	New York, New York 10019
John C. Maney	650 Newport Center Drive
	Newport Beach, CA 92660
William B. Ogden, IV	1633 Broadway
	New York, New York 10019
Alan Rappaport	1633 Broadway
	New York, New York 10019

IN WITNESS WHEREOF, this Notice has been subscribed this ______ day of January, 2019, by the undersigned who affirms that the statements made herein are true under the penalties of perjury.

Wu-Kwan Kit, Secretary

Signature Page – PIMCO Corporate & Income Opportunity Fund