| | | | | | | | | | | | | | | | | | | | | |
<?xml version="1.0" encoding="windows-1252"?> |
<edgarSubmission> |
| <schemaVersion> X0101 </schemaVersion> |
| <submissionType> EFFECT </submissionType> |
| <act> 33 </act> |
| <testOrLive> LIVE </testOrLive> |
| <effectiveData> |
| | <finalEffectivenessDispDate> 2011-07-21 </finalEffectivenessDispDate> |
| | <accessionNumber> 0000950123-11-066859 </accessionNumber> |
| | <submissionType> POS AM </submissionType> |
| | <filer> |
| | | <cik> 0001171500 </cik> |
| | | <entityName> PLATINUM UNDERWRITERS HOLDINGS LTD </entityName> |
| | | <fileNumber> 333-113823 </fileNumber> |
| | | </filer> |
| | </effectiveData> |
| </edgarSubmission> |