X0206 3 2024-07-25 1 0001868159 Lineage, Inc. LINE 0002024833 Stonepeak Aspen Holdings LLC 55 HUDSON YARDS 550 W. 34TH STREET, 48TH FLOOR NEW YORK NY 10001 true See Remarks 0002024832 Stonepeak Aspen Holdings II LLC 55 HUDSON YARDS 550 W. 34TH STREET, 48TH FLOOR NEW YORK NY 10001 true See Remarks 0002024831 Stonepeak Aspen Holdings III LLC 55 HUDSON YARDS 550 W. 34TH STREET, 48TH FLOOR NEW YORK NY 10001 true See Remarks 0002024830 Stonepeak Aspen Holdings IV LLC 55 HUDSON YARDS 550 W. 34TH STREET, 48TH FLOOR NEW YORK NY 10001 true See Remarks 0002024829 Stonepeak Aspen Holdings V LLC 55 HUDSON YARDS 550 W. 34TH STREET, 48TH FLOOR NEW YORK NY 10001 true See Remarks 0002024834 Stonepeak Infrastructure Fund III (AIV III) LP 55 HUDSON YARDS 550 W. 34TH STREET, 48TH FLOOR NEW YORK NY 10001 true See Remarks 0001803027 Stonepeak Aspen (Co-Invest) Holdings LP 55 HUDSON YARDS 550 W. 34TH STREET, 48TH FLOOR NEW YORK NY 10001 true See Remarks 0002024826 Stonepeak Aspen (Co-Invest) Holdings II LP 55 HUDSON YARDS 550 W. 34TH STREET, 48TH FLOOR NEW YORK NY 10001 true See Remarks 0002024827 Stonepeak Associates III LLC 55 HUDSON YARDS 550 W. 34TH STREET, 48TH FLOOR NEW YORK NY 10001 true See Remarks Each of Stonepeak Aspen Holdings LLC ("Fund I"); Stonepeak Aspen Holdings II LLC ("Fund II"); Stonepeak Aspen Holdings III LLC ("Fund III"); Stonepeak Aspen Holdings IV LLC ("Fund IV"); Stonepeak Aspen Holdings V LLC ("Fund V"); Stonepeak Infrastructure Fund III (AIV III) LP ("AIV III"), the managing member of Fund I and Fund II; Stonepeak Aspen (Co-Invest) Holdings LP ("Co-Invest I"), the managing member of Fund III and Fund IV; Stonepeak Aspen (Co-Invest) Holdings II LP ("Co-Invest II"), the managing member of Fund V; Stonepeak Associates III LLC ("Associates III"), the general partner of each of AIV III, Co-Invest I and Co-Invest II; Stonepeak GP Holdings III LP ("Holdings III"), the sole member of Associates III; Stonepeak GP Investors III LLC ("Investors III"), the general partner of Holdings III; Stonepeak GP Investors Holdings LP ("Investors Holdings"), the managing member of Investors III; Stonepeak GP Investors Upper Holdings LP ("Upper Holdings"), the general partner of Investors Holdings; Stonepeak GP Investors Holdings Manager LLC ("Holdings Manager"), the general partner of Upper Holdings; and Mr. Michael Dorrell, the sole member of Holdings Manager (collectively, the "Reporting Persons") are jointly filing this Form 3 pursuant to Rule 16a-3(j) under the Exchange Act but, because no more than 10 reporting persons can file any one Form 3 through the SEC's EDGAR system, Holdings III, Investors III, Investors Holdings, Upper Holdings, Holdings Manager and Mr. Dorrell have jointly filed with the other Reporting Persons on a separate Form 3 filing submitted on the same day hereof. 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 Fund I's contractual right to designate two persons to serve on the board of directors of the Issuer (the "Board"). James Wyper and Luke Taylor serve as Fund I's designated directors on the Board. See Exhibit 99.1: Signatures 2024-07-25