Company: PTY
Filing Date: 2025-06-06
Form Type: 424B5
Source: 0001193125-25-137029
Chunk: 454

Company: PIMCO CORPORATE & INCOME OPPORTUNITY FUND
Filing Date: 2025-06-06
Form: 424B5
Chunk 454
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 it relates to its process for seeking timely input from issuers and its voting methodologies and the ISP’s compliance program. Information about how PIMCO voted the Fund’s proxies for the most recent twelve month period ended June 30th (Form N-PX) will be available no later than the following August 31st, without charge, upon request, by calling the Fund at (844) 312-2113), on the Fund's website at www.pimco.com and on the SEC’s website at http://www.sec.gov . PORTFOLIO TRANSACTIONS AND BROKERAGE Investment Decisions and Portfolio Transactions Investment decisions for the Fund and for the other investment advisory clients of PIMCO are made with a view to achieving their respective investment objectives. Investment decisions are the product of many factors in addition to basic suitability for the particular client involved (including the Fund). Some securities considered for investments by

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the Fund also may be appropriate for other clients served by PIMCO. Thus, a particular security may be bought or sold for certain clients even though it could have been bought or sold for other clients at the same time, including accounts in which PIMCO, its affiliates and its employees may have a financial interest. If a purchase or sale of securities consistent with the investment policies of the Fund and one or more of these clients served by PIMCO is considered at or about the same time, transactions in such securities will be allocated among the Fund and other clients pursuant to PIMCO’s trade allocation policy, as applicable, that is designed to ensure that all accounts, including the Fund, are treated fairly, equitably, and in a non-preferential manner, such that allocations are not based upon fee structure or portfolio manager preference. PIMCO may acquire on behalf of its clients (including the Fund) securities or other financial instruments providing exposure to different aspects of the capital and debt structure of an issuer, including without limitation those that relate to senior and junior/subordinate obligations of such issuer. In certain circumstances, the interests of those clients exposed to one portion of the issuer’s capital and debt structure may diverge from those clients exposed to a different portion of the issuer’s capital and debt structure. PIMCO may advise some clients or take actions for them in their best interests with respect to their exposures to an issuer’s capital and debt structure that may diverge from the interests of other clients with different exposures to the same issuer’s capital and debt structure. PIMCO may aggregate orders for the Fund with simultaneous transactions