SUBSCRIBER NOTE: Portland suboctane RVP to shift to 7.8 on or around April 25

Please note that S&P Global Platts' assessments of Portland suboctane and premium suboctane will reflect 7.8 RVP on or around April 25, 2019.

These changes reflect seasonal adjustments to RVP levels as required by the Olympic Pipeline system.

For questions or comments, please email americas_products@spglobal.com and cc pricegroup@spglobal.com.

For written comments, please provide a clear indication if comments are not intended for publication by Platts for public viewing. Platts will consider all comments received and will make comments not marked as confidential available upon request.

For more details of this and other upcoming RVP changes, please go to https://www.spglobal.com/platts/en/our-methodology/methodology-specifications /oil and access the Platts US gasoline RVP calendar, or download the excel file at: https://www.spglobal.com/platts/plattscontent/_assets/_files/en/our-methodolo gy/methodology-specifications/us-gasoline-rvp-calendar.xlsx