EmiratesCCMad-
UL is the IATA code for SriLankan Airlines, who EK have a partnership with. Quite often for destinations SriLankan airlines are unable to fly to on a regular basis, for lack of equipment or other reasons, Emirates takes on the connecting passengers in Dubai.
Ikoysss -
The shortest layovers we have are Seychelles (16hr) , Mauritius (12 hr) and Colombo (14 hr). The longest are a 4 day Milan, 4 day Seychelles, 3 day Bangkok and 3 day Jakarta.