| Ref No | Year | Description | Type | U.M. | F.U. | FDC |
|---|---|---|---|---|---|---|
| S99-1 | 1999 | Inter-Religious Organisation | 3 v | 5.00 | 5.00 | 6.00 |
| S99-2 | 1999 | Zodiac Series - Rabbit | 2 v | 5.00 | 2.50 | 8.00 |
| S99-2S | 1999 | Zodiac Series - Rabbit | Sheetlet | 34.00 | 34.00 | - |
| S99-Z1 | 1999 | Zodiac Series - Rabbit (IBRA 1999) | MS | 7.00 | - | - |
| S99-Z2 | 1999 | Zodiac Series - Rabbit (PhilexFrance 1999) | MS | 7.00 | - | - |
| S99-Z3 | 1999 | Zodiac Series - Rabbit (China 1999) | MS | 7.00 | - | - |
| S99-3 | 1999 | Maritime Heritage | 4 v | 8.00 | 6.00 | 8.50 |
| S99-3M | 1999 | Maritime Heritage | MS | 8.50 | 8.50 | 9.00 |
| S99-4 | 1999 | Singapore-Hong Kong Joint Issue: Attractions of Singapore & Hong Kong | 6 v | 7.00 | 7.00 | 8.00 |
| S99-4M | 1999 | Singapore-Hong Kong Joint Issue: Attractions of Singapore & Hong Kong | MS | 8.00 | 8.00 | 9.00 |
| S99-5 | 1999 | Singapore-Sweden Joint Issue: Butterflies | 4 v | 8.00 | 6.00 | 8.50 |
| S99-5M | 1999 | Singapore-Sweden Joint Issue: Butterflies | MS | 9.00 | 9.00 | 9.50 |
| S99-6 | 1999 | Yusok bin Ishak - 1st President of Singapore | 1 v | 4.00 | 2.50 | 5.00 |
| S99-6S | 1999 | Yusok bin Ishak - 1st President of Singapore | Sheetlet of 4 | 15.00 | 15.00 | - |
| S99-6P | 1999 | Yusok bin Ishak - 1st President of Singapore Perforated full printer's sheet |
Sheet | 130.00 | - | - |
| S99-7 | 1999 | Amphibians & Reptiles | 4 v | 5.00 | 5.00 | 6.00 |
| S99-8 | 1999 | The New Parliament House | 8 v | 8.00 | 6.00 | 8.50 |
| S99-9S | 1999 | 20th Century Singapore | Sheet of 10 with gutter labels |
10.00 | 10.00 | 11.00 |