[Date]
[Your Name]
[Your Address]
[City, State, ZIP Code]
Dear [Recipient],
I am writing to let you know that I plan to retire from my position as [Your Position] at [Company Name], effective [Retirement Date].
I am grateful for the opportunities, relationships, and experiences I have had during my time here.
I will do my best to help with the transition before my retirement date.
Sincerely,
[Your Name]