Here are the key components you need in a retention bonus agreement: 1. Duration: Clearly define how long the agreement is valid. 2.Dear (employee name):. This retention bonus agreement defines each aspect of your continued employment at (Company Name). " Emphasize the Employee's Value. I am writing to inform you that, in appreciation for your continued support of Alexza Pharmaceuticals, the company is offering you a retention bonus. All bargaining unit employees are eligible to participate in the Rewarding Excellence Bonus. Health Professional (HP) Retention Bonus: Intent: To retain qualified health professionals currently serving in critical specialties in the ANG. Incentive Bonus Case File Cover Sheet (ANG). He stated there is a new provision called a Retention Bonus that is included.