Company: PTY
Filing Date: 2025-06-06
Form Type: 424B5
Source: 0001193125-25-137029
Chunk: 13

Company: PIMCO CORPORATE & INCOME OPPORTUNITY FUND
Filing Date: 2025-06-06
Form: 424B5
Chunk 13
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, 2025). Assuming the sale of 72,886,297 Common Shares having an aggregate offering price of $1,000,000,000 under this Prospectus Supplement and accompanying Prospectus, we estimate that the total expenses for the offering, excluding compensation payable to JonesTrading under the terms of the Sales Agreement, would be approximately $744,452. Settlement for sales of any Common Shares will occur on the first business day (or such other time frame as is agreed to by the parties and in accordance with applicable law) following the date on which such sales are made, whereupon the net proceeds of the sales will be delivered to the Fund. There is no arrangement for funds to be received in an escrow, trust or similar arrangement. In connection with the sale of the Common Shares on behalf of the Fund, JonesTrading may, and will with respect to sales effected in an “at the market” offering, be deemed to be an “underwriter” within the meaning of the Securities Act, and the compensation of JonesTrading may be deemed to be underwriting commissions or discounts. The Fund has agreed to provide indemnification and contribution to JonesTrading against certain civil liabilities, including certain liabilities under the Securities Act.

S-8 Supplement | PIMCO Corporate & Income Opportunity Fund

The offering of Common Shares pursuant to the Sales Agreement will terminate upon the earlier of (1) the sale of all Common Shares subject the Sales Agreement or (2) termination of the Sales Agreement. The Sales Agreement may be terminated by the Fund in its sole discretion at any time by giving notice to JonesTrading. In addition, JonesTrading may terminate the Sales Agreement under the circumstances specified in the Sales Agreement and in its sole discretion by giving notice to us at any time following the period of twelve (12) months after the date of the Sales Agreement. The Fund and its affiliates may engage in brokerage and other dealings with JonesTrading in the ordinary course of business for which JonesTrading may receive customary fees and commissions for its services on these transactions. The principal business address of JonesTrading is 325 Hudson Street, 6th Floor, New York, New York 10013. Legal Matters Certain legal matters will be passed on for the Fund by Ropes & Gray LLP, Prudential Tower 800 Boylston Street, Boston, Massachusetts 02199. Incorporation by Reference This Prospectus Supplement is part of a registration statement filed with the SEC. The Fund is permitted to “incorporate by reference” the information filed with the SEC, which means