Membership Unit Purchase Agreement

April 11, 2021

This unit purchase agreement will be concluded effective September 23, 2005 between Premium Energy, LLC, a Delaware limited liability company (“Buyer”), on the one hand, and the shareholders (“sellers”) of Buchanan Energy Company, LLC, a limited liability company located in Virginia (the “Company”) on the signing pages of this agreement. The buyer and seller are referred to as “parties” in this agreement. Wholesale terms that are not defined differently in this agreement have the meaning that these terms are indicated in Article I. This document can be used when a party wishes to sell its membership shares to an LLC (or if a party wishes to purchase membership units to an LLC) and requires a written agreement. This document will probably be stored at the LLC to have a record of the sale. AMENDMENT No. 1 of August 8, 2005 (“Amendment No. 1”), membership unit PURCHASE AGREEMENT (the “sales contract”) of April 1, 2005, by and under ZG ACQUISITION INC., a Delaware Corporation (the “acquirer”), MDC PARTNERS INC., an affiliate under Canadian federal law, Sergio Zyman, ZYMAN GROUP, LLC, a limited liability company in Delaware , including the Zyman Group, LLC, a limited liability company in Nevada, including its subsidiaries, the “company”), ZYMAN COMPANY, INC., and some of the company`s other shareholders (together the “Management Sellers,” with Zyman, the “sellers” and, individually, a “seller”). The seller is the economic and record owner of Membership Units of Husker Ag, LLC, a limited liability company in Nebraska (the “company”); and please note that this form requires both signatures once it is filled out by the party that buys the interest and the party that sells it.

UNIT UNIT PURCHASE AGREEMENT (`agreement`) on May 6, 2010 and effective at the close of operations on May 30, 2010. April 2010 (effective date), from and between MF – P ACQUISITION CO., a Delaware company (the acquirer), INTEGRATED MEDIA SOLUTIONS, LLC, a New York limited liability company (“IMS Holdco”), ROBERT INGRAM (“Ingram”), DESIREE DU MONT (“Desiree”), RON CORVINO (“Ron”; and with Ingram and Desiree , a “principle” and collectively the principle and exclusively for the purposes of Sections 7.6.6 and 8.19, MDC Partners Inc. , a company that exists under the laws of Canada (MDC Partners). This agreement of unit PURCHASE (this agreement) of March 25, 2010 (execution date) is to and from XE SERVICES LLC, a limited liability company in Delaware (“seller”), AAR AIRLIFT, LLC, a limited liability company in Delaware (“buyer”) and, within the meaning of Section 6, Section 7.3 and Section 7.19, only AAR CORP., a. The seller and buyer are sometimes referred to separately as “party” and collectively “parties.” This membership unit purchase agreement, dated February 12, 2016, is to and from OrangeHook, Inc., a Minnesota company (the “company”), AGL (as defined below), AGL members who are signatories (each a “transferor” and “collective transfers”).