Transaction Details

Footnotes

Represents restricted stock units ("RSUs") granted on January 2, 2026, which will vest in full on December 31, 2026, subject to the Reporting Person's continued service with the Issuer through such vesting date and the terms of the applicable award agreement. | Any securities issued to the Reporting Person for service as a director of the Issuer is held by the Reporting Person for the benefit of funds or entities affiliated with Berkshire Partners LLC ("BP" and such affiliated funds or entities, the "BP Entities"). The Reporting Person disclaims beneficial ownership of such securities, except to the extent of the Reporting Person's pecuniary interest therein, and the inclusion of any securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose. | Represents shares of Class A Common Stock of the Issuer held by Berkshire Fund VIII-A, L.P. ("VIII-A"). Such securities may be deemed to be beneficially owned by Berkshire Partners Holdings LLC ("BPH"); BPSP, L.P. ("BPSP"); Eighth Berkshire Associates LLC ("8BA"), its general partner; and BP, its investment adviser. BPH is the general partner of BPSP, which is the managing member of BP. As the managing member of BP, BPSP may be deemed to beneficially own shares of Class A Common Stock that are beneficially owned by BP. As the general partner of BPSP, BPH may be deemed to beneficially own shares of Class A Common Stock that are beneficially owned by BPSP. BPH, BPSP, VIII-A, 8BA and BP are under common control and may be deemed to be, but do not admit to being, a group for purposes of Section 13(d)(3) of the Securities Exchange Act of 1934, as amended (the "Act"). | (Continued from footnote 3) Each of BPH, BPSP, VIII-A, 8BA and BP disclaims beneficial ownership of any securities except to the extent of its pecuniary interest therein. | The Reporting Person disclaims beneficial ownership of such securities beneficially owned by any of the BP Entities, except to the extent of the Reporting Person's pecuniary interest therein, and the inclusion of any securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose. | Pursuant to the Second Amended and Restated Limited Liability Company Agreement of PHD Group Holdings LLC ("PHD Group Holdings"), dated as of October 20, 2021, LLC Units (as defined therein) directly held by certain of the BP Entities are exchangeable for shares of Class A Common Stock on a one-for-one basis, subject to certain exceptions, conditions and adjustments. The LLC Units have no expiration date. | Represents LLC Units of PHD Group Holdings held by Berkshire Fund VIII, L.P. ("VIII"). Such securities may be deemed to be beneficially owned by BPH; BPSP; 8BA, its general partner; and BP, its investment adviser. BPH, BPSP, VIII, 8BA and BP are under common control and may be deemed to be, but do not admit to being, a group for purposes of Section 13(d)(3) of the Act. Each of BPH, BPSP, VIII, 8BA and BP disclaims beneficial ownership of any securities except to the extent of its pecuniary interest therein. | Represents LLC Units of PHD Group Holdings held by Berkshire Investors III LLC ("BI III"). BI III may be deemed to be, but does not admit to being, a member of a group holding over 10% of the outstanding Common Stock of the Issuer for purposes of Section 13(d)(3) of the Act and disclaims beneficial ownership of any securities except to the extent of its pecuniary interest therein. | Represents LLC Units of PHD Group Holdings held by Berkshire Investors IV LLC ("BI IV"). BI IV may be deemed to be, but does not admit to being, a member of a group holding over 10% of the outstanding Common Stock of the Issuer for purposes of Section 13(d)(3) of the Act and disclaims beneficial ownership of any securities except to the extent of its pecuniary interest therein.