Courrier-type en anglais - Félicitations (succès à un examen)

Dear [Mr or Mrs or Sirs], I have heard with great pleasure that your work has been rewarded and that you have passed your [examen]. I send you my congratulations and confirm that as a result of this success, your salary will be raised to [montant] per [période] as from [date]. Please get in touch with [nom] at your earliest convenience. Yours sincerely [votre nom] [votre fonction]