[Your Company Letterhead]
[Your Name]
[Your Job Title]
[Your Company Name]
[Your Company Address]
[City, State, Zip Code]
[Email Address]
[Phone Number]
[Date]
[Broker's Name]
[Broker's Company Name]
[Broker's Company Address]
[City, State, Zip Code]
Dear [Broker's Name],
I am writing to formally notify you that we are terminating our brokerage agreement with [Broker's Company Name], effective [termination date].