To: [Insert name]
From: [Insert name]
Subject line: Your new salary
Hi [Employee name],
You will be getting a [insert number] percent increase in your salary which will bring your annual gross salary from $ [insert number] to $ [insert number].
Your salary will be updated on [insert date] so you will see the boost on your [insert month] paycheck.
Please sign your updated contract by the end of the week.
We appreciate your efforts and achievements so far and this pay raise is well-deserved.
[Insert email signature]