XPLR基础设施LP美股招股说明书（2026年4月7日版本）

PROSPECTUS SUPPLEMENT(To prospectus dated April7, 2026) Common Units Representing Limited Partner InterestsHaving an Aggregate Sales Price of up to $300,000,000 We have entered into a distribution agency agreement, dated April7, 2026 (“distribution agency agreement”), with Barclays Capital Inc.,KeyBanc Capital Markets Inc. and Scotia Capital (USA) Inc., as our sales agents, relating to our common units representing limited partner interestsoffered by this prospectus supplement and the accompanying prospectus. In accordance with the terms of the distribution agency agreement, we may, Our common units are listed on the New York Stock Exchange (the “NYSE”) under the symbol “XIFR.” On April6, 2026, the last reportedclosing price of our common units was $10.53 per common unit. The sales, if any, of our common units under this prospectus supplement and the accompanying prospectus and pursuant to the distribution agencyagreement may be made in negotiated transactions or other transactions that are deemed to be “at the market” offerings as defined in Rule 415 under theSecurities Act of 1933, as amended (the “Securities Act”), including sales made directly on the NYSE or sales made to or through a market maker otherthan on an exchange, including block transactions, at market prices prevailing at the time of sale or at prices relating to such prevailing market prices. The compensation of each sales agent for sales of our common units pursuant to the distribution agency agreement shall be at a commission rateof up to 2.0% of the gross sales price per common unit. In connection with the sale of the common units on our behalf pursuant to the distribution Under the terms of the distribution agency agreement, we also may sell our common units to one or more of the sales agents as principal for itsown account at a price agreed upon at the time of the sale. If we sell common units to one or more of the sales agents as principal, we will enter into aterms agreement with the sales agent, and we will describe that the terms of that agreement in a separate supplement to this prospectus supplement and Investing in the common units involves risks. Limited partnerships and limited partner interests are inherentlydifferent than corporations and shares of capital stock of a corporation. You should carefully consider the risk factorsdescribed under “RiskFactors” on page 1 of the accompanying prospectus and in the documents incorporated by Neither the Securities and Exchange Commission nor any state securities commission has approved or disapproved of these securities ordetermined if this prospectus supplement or the accompanying prospectus is truthful or complete. Any representation to the contrary is acriminal offense. The date of this prospectus supplement is April7, 2026. Table of Contents TABLE OF CONTENTS About this Prospectus SupplementThe OfferingUse of ProceedsPlan of DistributionConflicts of InterestLegal Opinions Prospectus About this ProspectusRisk FactorsXPLR Table of Contents ABOUT THIS PROSPECTUS SUPPLEMENT This document is in two parts. The first part is the prospectus supplement, which describes the specific terms of this offering and also adds to,updates and changes information contained in the accompanying prospectus and the documents incorporated by reference. The second part is theaccompanying prospectus, which gives more general information, some of which may not apply to this offering. To the extent there is a conflict betweenthe information contained in this prospectus supplement, on the one hand, and the information contained in the accompanying prospectus, on the other You should read this prospectus supplement and the accompanying prospectus together with the additional information described under theheadings “Where You Can Find More Information” and “Incorporation by Reference” in the accompanying prospectus. We have not, and the sales agents and their affiliates have not, authorized any person to provide any information or represent anything about us orour common units other than what is contained in this prospectus supplement and the accompanying prospectus. None of the information on our websiteis incorporated by reference herein. We do not, and the sales agents and their affiliates do not, take any responsibility for, and can provide no assuranceas to the reliability of, any information that others may provide to you. You should assume that the information in this prospectus supplement and the In this prospectus supplement, the “Company,” “XPLR,” “we,” “us,” “our,” and similar terms refer to XPLR Infrastructure, LP, unless the contextrequires otherwise and “you” or “your” refer to prospective investors in XPLR. Table of Contents USE OF PROCEEDS We intend to contribute the net proceeds from any sale of common units pursuant to this prospectus supplement to XPLR OpCo in exchange forXPLR OpCo common units. XPLR OpCo intends to use such net proceeds for general partnership purposes, w