Any "Extended Remix" circulating on platforms like YouTube or SoundCloud is a bootleg or fan-made edit (such as notable re-rubs by Spiral Tribe or The Skinflutes ).
Depeche Mode never released an official extended mix or 12-inch single for "What's Your Name?" during the Speak & Spell era. Depeche Mode - What's Your Name? (Extended Remix)
Frivolous and incredibly catchy, the track famously includes spelling out words in the background vocals ("P-R-E-double-T-Y"). Any "Extended Remix" circulating on platforms like YouTube