| PowerShares DB Multi-Sector Commodity Trust with respect to PowerShares DB Energy Fund | ||||
| By: | DB Commodity Services LLC, | |||
| its Managing Owner | ||||
| By: | /S/ HANS EPHRAIMSON | |||
| Name: | Hans Ephraimson | |||
| Title: | Chief Executive Officer | |||
| By: | /S/ MICHAEL GILLIGAN | |||
| Name: | Michael Gilligan | |||
| Title: | Principal Financial Officer | |||