Company: PAGP
Filing Date: 2025-04-11
Form Type: DEF 14A
Source: 0001104659-25-033938
Chunk: 16

Company: PLAINS GP HOLDINGS LP
Filing Date: 2025-04-11
Form: DEF 14A
Chunk 16
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itholders (excluding Plains AAP) (Nasdaq: PAA) 
 ​                                                                        | ​ | ​ | ​ | ​                                 | ​ | 61.8%  | ​ | ​ | ​ | ​ | 471.0 million                | ​ | ​ |
| ​ | ​ | •                                                                        
 On Behalf of PAA Series A Preferred Unitholders                          
 ​                                                                        | ​ | ​ | ​ | ​                                 | ​ | 7.7%   | ​ | ​ | ​ | ​ | 58.4 million                 | ​ | ​ |
| ​ | ​ | TOTAL                                                                    | ​ | ​ | ​ | ​                                 | ​ | 100.0% | ​ | ​ | ​ | ​ | 762.2 million                | ​ | ​ |

The following chart further illustrates our ownership structure as of the Record Date:

9

TABLE OF CONTENTS

Considering the overall consolidated ownership and voting structure of PAGP and PAA, the following table lists who we believe are the top 10 holders of our voting securities based on combined holdings of PAGP Class A Shares, PAGP Class B Shares, PAA Common Units (excluding Plains AAP) and PAA Series A Preferred Units. Unless otherwise noted, the reported holdings are based on Schedule 13F filings as of December 31, 2024 and other publicly available information; the table below does not take into account the holdings of investors who are not required to file a Schedule 13F or who do not otherwise publicly disclose their holdings. It should be noted that Schedule 13F requires certain institutional investment managers to report holdings over which they exercise investment discretion (i.e., the power to buy or sell securities); such institutional investment managers may or may not also have voting discretion with respect to such holdings. (Holdings in 000s)

| ​ | ​ | Name                           | ​ | ​ | ​ | PAGPClass AShares |   |        |   | ​ | ​ | ​ | PAGPClass BShares |   |        |   | ​ | ​ | ​ | PAACommonUnits |   |        |   | ​ | ​ | ​ | PAASeries APreferredUnits |   |        |   | ​ | ​ | ​ | TotalHoldings |   |        |   | ​ | ​ | ​ | Percent ofConsolidatedVotingStructure |   |      |   | ​ | ​ |
| ​ | ​ | ALPS Advisors                  | ​ | ​ |