Company: PTY
Filing Date: 2025-06-06
Form Type: 424B5
Source: 0001193125-25-137029
Chunk: 3

Company: PIMCO CORPORATE & INCOME OPPORTUNITY FUND
Filing Date: 2025-06-06
Form: 424B5
Chunk 3
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 on these forward-looking statements. All forward-looking statements contained or incorporated by reference in this Prospectus Supplement or the accompanying Prospectus are made as of the date of this Prospectus Supplement or the accompanying Prospectus, as the case may be. Except for the Fund’s ongoing obligations under the federal securities laws, the Fund does not intend, and the Fund undertakes no obligation, to update any forward-looking statement. The forward-looking statements contained in this Prospectus Supplement, the accompanying Prospectus and the Fund’s Statement of Additional Information are excluded from the safe harbor protection provided by Section 27A of the Securities Act of 1933, as amended (the “Securities Act”). Currently known risk factors that could cause actual results to differ materially from the Fund’s expectations include, but are not limited to, the factors described in the “Principal Risks of the Fund” section of the accompanying Prospectus. The Fund urges you to review carefully those sections for a more detailed discussion of the risks of an investment in our securities. Prospectus Supplement Summary This is only a summary. This summary may not contain all of the information that you should consider before investing in the Fund’s Common Shares. You should review the more detailed information contained in this Prospectus Supplement and in the accompanying Prospectus and in the Statement of Additional Information, especially the information set forth under the heading “Principal Risks of the Fund” beginning on page 58 of the accompanying Prospectus. The Fund The Fund is a diversified, closed-end management investment company that commenced operations on December 27, 2002, following the initial public offering of its Common Shares. The Common Shares are listed on the New York Stock Exchange (“NYSE”) under the symbol “PTY.” As of April 30, 2025, the net assets of the Fund attributable to Common Shares were $2.1 billion and the Fund had outstanding 186,395,560 Common Shares. The last reported sale price of the Common Shares, as reported by the NYSE on April 30, 2025, was $13.72 per Common Share. The net asset value (“NAV”) of the Common Shares at the close of business on April 30, 2025, was $11.53 per Common Share. See “Description of Capital Structure” in the accompanying Prospectus. June 6, 2025 | Supplement S-3 Investment Objective The Fund’s investment objective is to seek maximum total return through a combination of current income and capital appreciation. Investment Strategy The Fund seeks to achieve its investment objective