CSI Compressco LP Announces 2022 Schedule K-3 Investor Tax Packages Are Available Online

THE WOODLANDS, Texas, July 11, 2023

A limited number of unitholders (primarily foreign unitholders, unitholders computing a foreign tax credit on their tax return and certain corporate and/or partnership unitholders) may need the detailed information disclosed on Schedule K-3 for their specific reporting requirements. To the extent Schedule K-3 is applicable to your federal income tax return filing needs, we encourage you to review the information contained on this form and refer to the appropriate federal laws and guidance or consult with your tax advisor.

For additional information or to receive an electronic copy of your Schedule K-3 via email, unitholders may call the K-1 Tax Package Support toll free at (877) 223-4851.

About CSI Compressco

CSI Compressco is a provider of compression services and equipment for natural gas and oil production, gathering, artificial lift, transmission, processing, and storage. In addition, CSI Compressco provides a variety of natural gas treating services. CSI Compressco's contract services business includes a fleet of approximately 4,800 compressor packages providing approximately 1.2 million in aggregate horsepower, utilizing a full spectrum of low-, medium- and high-horsepower engines. Additionally, our gas treating equipment fleet includes natural gas cooling units used to reduce the temperature of natural gas so that it can be further treated, processed, or compressed. CSI Compressco also provides well monitoring and automated sand separation services in conjunction with compression and related services in Mexico. CSI Compressco's aftermarket business provides compressor package reconfiguration and maintenance services. CSI Compressco's customers comprise a broad base of natural gas and oil exploration and production, midstream, transmission, and storage companies operating throughout many of the onshore producing regions of the United States, as well as in a number of foreign countries, including Mexico, Canada, Argentina, Egypt, and Chile. CSI Compressco's General Partner is owned by Spartan Energy Partners LP. This news release serves as qualified notice to nominees as provided for under Treasury Regulation Section 1.1446-4(b)(4) and (d). CSI Compressco's distributions to foreign investors are subject to federal tax withholding at the highest applicable effective tax rate. Nominees are treated as withholding agents responsible for withholding distributions received by them on behalf of foreign investors.

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