X0306 4 2022-01-31 0001362705 Evolve Transition Infrastructure LP SNMP 0001656530 Stonepeak Catarina Holdings LLC 55 HUDSON YARDS 550 W. 34TH STREET, 48TH FLOOR NEW YORK NY 10001 true true See Remarks 0001656529 Stonepeak Catarina Upper Holdings LLC 55 HUDSON YARDS 550 W. 34TH STREET, 48TH FLOOR NEW YORK NY 10001 true true See Remarks 0001656528 Stonepeak Infrastructure Fund (Orion AIV) LP 55 HUDSON YARDS 550 W. 34TH STREET, 48TH FLOOR NEW YORK NY 10001 true true See Remarks 0001656527 Stonepeak Associates LLC 55 HUDSON YARDS 550 W. 34TH STREET, 48TH FLOOR NEW YORK NY 10001 true true See Remarks 0001656526 Stonepeak GP Holdings LP 55 HUDSON YARDS 550 W. 34TH STREET, 48TH FLOOR NEW YORK NY 10001 true true See Remarks 0001656525 Stonepeak GP Investors LLC 55 HUDSON YARDS 550 W. 34TH STREET, 48TH FLOOR NEW YORK NY 10001 true true See Remarks 0001656524 Stonepeak GP Investors Manager LLC 55 HUDSON YARDS 550 W. 34TH STREET, 48TH FLOOR NEW YORK NY 10001 true true See Remarks 0001550758 Dorrell Michael B. 55 HUDSON YARDS 550 W. 34TH STREET, 48TH FLOOR NEW YORK NY 10001 true true See Remarks 0001833393 Stonepeak Texas Midstream Holdco LLC 550 WEST 34TH STREET 48TH FLOOR NEW YORK NY 10001 true true See Remarks Common Units 2022-01-31 4 A 0 24502356 A 83224292 D Common Units 4509792 I See Footnotes Common Units 9000000 I See Footnotes On January 31, 2022, the Reporting Persons provided notice of its election to receive the fourth quarter 2021 quarterly distribution on the Class C Preferred Units in the form of Common Units, pursuant to which Stonepeak Catarina Holdings LLC ("Stonepeak Catarina") will acquire 24,502,356 Common Units on February 22, 2022. These Common Units are owned directly by SP Common Equity Subsidiary LLC ("SPCE Sub"). Stonepeak Catarina is the sole member of SPCE Sub. On November 9, 2021, Stonepeak Catarina transferred 9,000,000 Common Units to SP Preferred Equity Subsidiary LLC ("SPPE Sub") at no cost in a transaction exempt from Section 16 of the Exchange Act pursuant to Rule 16a-13. Stonepeak Catarina is the sole member of SPPE Sub. Stonepeak Texas Midstream Holdco LLC is the managing member of Stonepeak Catarina. Stonepeak Catarina Upper Holdings LLC is the majority owner member of Stonepeak Texas Midstream Holdco LLC. Stonepeak Infrastructure Fund (Orion AIV) LP is the managing member of Stonepeak Catarina Upper Holdings LLC. Stonepeak Associates LLC is the managing member of Stonepeak Texas Midstream Holdco LLC and the general partner of Stonepeak Infrastructure Fund (Orion AIV) LP. Stonepeak GP Holdings LP is the sole member of Stonepeak Associates LLC. Stonepeak GP Investors LLC is the general partner of Stonepeak GP Holdings LP. Stonepeak GP Investors Manager LLC is the managing member of Stonepeak GP Investors LLC. Mr. Dorrell serves as the sole controlling managing member of Stonepeak GP Investors Manager LLC. Each Reporting Person disclaims beneficial ownership of the Common Units except to the extent of his or its pecuniary interest therein, and this report shall not be deemed an admission that such Reporting Person is the beneficial owner of the Common Units for purposes of Section 16 of the Exchange Act, or for any other purpose. Exhibit 99.1: Additional Signatures. Solely for purposes of Section 16 of the Exchange Act, each of the Reporting Persons may be deemed to be a director-by-deputization by virtue of Stonepeak Catarina's contractual right to, based on its current ownership, designate two persons to serve on the board of directors of the General Partner of the Issuer (the "Board"). Jack Howell and Luke Taylor, each an employee of Stonepeak Catarina, are members of the Board. In addition, Michael Bricker and John Steen also serve as members of the Board. /s/ Michael Dorrell 2022-02-02