2026 calendar for FOB ARA ULSD barges: intermediate-to-summer transition

Effective March 31, Platts will start reflecting the German summer specification for ultra-low sulfur diesel on a pro-rated basis in its FOB Amsterdam-Rotterdam-Antwerp barge ULSD assessment (Code: AAJUS00).

The following calendar applies:

Intermediate-to-summer transition

• March 31: First day the summer grade is reflected in the assessment
• April 7: First full five-day period reflecting the summer grade
• April 7: Last full five-day period reflecting the intermediate grade
• April 9: Last day the intermediate grade is reflected in the assessment
• April 10: Summer grade fully reflected

A spreadsheet detailing the changes is available upon request. Please send any comments or questions to europe_products@spglobal.com and copy pricegroup@spglobal.com.