Restricted share plans are accounted for in accordance with the policies described in Note B.24.3. The principal characteristics of those plans are as follows:
| 2017 | 2016 | 2015 | ||||||||||
| Type of plan | Performance share plan |
Performance share plan |
Performance share plan |
|||||||||
| Date of Board meeting approving the plan | May 10, 2017 | May 4, 2016 | June 24, 2015 | |||||||||
| Total number of shares awarded | 3,587,465 | 4,097,925 | 3,832,840 | |||||||||
| Of which plans subject to a 4-year service period | - | - | 2,546,420 | |||||||||
| Fair value per share awarded(a) | - | - | 79.52 | |||||||||
| Of which plans subject to a 3-year service period | 3,587,465 | 4,097,925 | 1,286,420 | |||||||||
| Fair value per share awarded(a) | 81.50 | 61.06 | 82.96 | |||||||||
| Fair value of plan at the date of grant (€ million) | 292 | 250 | 309 | |||||||||
| (a) |
Quoted market price per share at the date of grant, adjusted for dividends expected during the vesting period. |