An Exclusive Agency Listing allows a real estate agent to list and market your home on the MLS, guaranteeing them a commission if the house sells. The agent is required to have an agreement with you, the terms of that agreement are negotiable.An Exclusive Buyer Brokerage Agreement is a contract between a real estate Broker and a potential homebuyer. It is a contract between you as a home seller and your agent. Through this contract, one specific agent becomes your sole representative. This is a contract between a real estate Broker and a home buyer that says the Broker (Realtor) agrees to represent the buyer's interests.