According to a news item at Jamiroquai.com, the 12" vinyl release of Cosmic Girl will be accompanied on the same day by the vinyl release of Deeper Underground.  

The tracklist is as follows:

• Side A - Deeper Underground (Paul Jackson's Version Excursion)
• Side B - Deeper Underground (S-Man Emerged From The Deep Mix)
• Catalogue Number: 82876885201

In addition to the physical release, the following remixes will be available digitally on the same date...

• Deeper Underground - Paul Jackson remix 
• Deeper Underground - S-Man Emerged From The Deep Mix
• Deeper Underground - Metro Remix
• Deeper Underground - S-Man Meets Da Northface Killa Dub
• Deeper Underground - Paul Jackson Dub

Deeper Underground (and the previously announced Cosmic Girl release) will be released on 7 August and can be pre-ordered from the official Jamiroquai online store.