This letter is to confirm that, upon review, your request has been granted and your salary has been increased from Old Salary to New Salary per year. Learn how to write a compelling salary increase letter to reward performing employees with our tips, checklist, and free templates.This letter confirms the amount of increase and the company's appreciation for a job well done. This letter typically includes details such as the employee's position, confirmation date, salary, and any other relevant terms of employment. Pay increase letter to employee: Use this template to officially inform employees that their salary will change and show your appreciation for their work.