Note 11.    Related Party Transactions

​

Services Agreement—The Partnership is a party to a services agreement with various entities which own limited partner interests in the Partnership and interests in the General Partner and which are 100% owned by members of the Slifka family (the “Slifka Entities Services Agreement”), pursuant to which the Partnership provides certain tax, accounting, treasury, and legal support services and such Slifka entities pay the Partnership an annual services fee of $20,000, and which Slifka Entities Services Agreement has been approved by the Conflicts Committee of the board of

directors of the General Partner. The Slifka Entities Services Agreement is for an indefinite term and any party may terminate some or all of the services upon ninety (90) days’ advance written notice. As of June 30, 2026, no such notice of termination had been given by any party to the Slifka Entities Services Agreement.

​

General Partner—Affiliates of the Slifka family own 100% of the ownership interests in the General Partner. The General Partner employs substantially all of the Partnership’s employees, except for most of its gasoline station and convenience store employees, who are employed by GMG, and for substantially all of the employees who primarily or exclusively provide services to SPR, who are employed by SPR Operator. The Partnership reimburses the General Partner for expenses incurred in connection with these employees. These expenses, including bonus, payroll and payroll taxes, were $60.6 million and $55.2 million for the three months ended June 30, 2026 and 2025, respectively, and $159.0 million and $132.8 million for the six months ended June 30, 2026 and 2025, respectively. The Partnership also reimburses the General Partner for its contributions under the General Partner’s 401(k) Savings and Profit Sharing Plan.

​

Spring Partners Retail LLC—The Partnership, through its subsidiary, SPR Operator, is party to an operations and maintenance agreement with the Partnership’s joint venture, SPR (see Note 10). Pursuant to this agreement, certain employees of the Partnership provide SPR with services including administrative and support functions, such as operations and management support, accounting, legal and human resources and information technology services and systems to SPR for which SPR pays SPR Operator, and therefore the Partnership, an annual fixed fee. The Partnership received $0.9 million and $0.5 million from SPR associated with the operations and management agreement for the three months ended June 30, 2026 and 2025, respectively, and $1.7 million and $1.2 million for the six months ended June 30, 2026 and 2025, respectively, which are included in selling, general and administrative expenses in the accompanying consolidated statements of operations. In addition, SPR Operator employs substantially all of the employees who primarily or exclusively provide services to the Partnership’s joint venture. SPR reimburses the Partnership for direct expenses incurred in connection with these employees, which amounted to $2.7 million and $3.3 million for the three months ended June 30, 2026 and 2025, respectively, and $6.0 million and $6.9 million for the six months ended June 30, 2026 and 2025, respectively.

​

Accounts receivable–affiliates consisted of the following (in thousands):

​

​

BIG GRP 275 Grove JV LLC—On January 23, 2025, the Partnership, through its wholly owned subsidiary, Global HQ 2 LLC, entered into a Limited Liability Company Agreement, as amended, of BGRP, a Delaware limited liability company formed as a joint venture with unrelated third parties to acquire and operate an office building located in Newton, Massachusetts. Also on January 23, 2025, the Partnership signed a 12-year lease arrangement for space in this property that serves as the Partnership’s principal executive office effective July 2026. See Note 10.

​

Everett Landco GP, LLC—On October 23, 2023, the Partnership, through its wholly owned subsidiary, Global Everett Landco, LLC, entered into the Everett LLC Agreement of Everett, a Delaware limited liability company formed

as a joint venture with the Everett Investor, an entity controlled by an affiliate of The Davis Companies, a company primarily involved in the acquisition, development, management and sale of commercial real estate. See Note 10.