U.S. Options

The option class listed below will begin trading on the MIAX Options Exchange, MIAX PEARL Options Exchange and MIAX Emerald Options Exchange on Tuesday, June 11, 2019.

• Avantor, Inc. (AVTR)

Market Makers can use the Member Firm Portal (MFP) to manage their option class assignments.  All LMM and RMM Option Class Assignments must be entered prior to 6:00 PM ET on the business day immediately preceding the effective date.  All changes made after 6:00 PM ET on a given day will be effective two trading days later.

MIAX Options and MIAX Emerald Primary Lead Market Maker (PLMM) assignments and un-assignments will not be supported via the MFP. Additional details are provided in the attached PDF and on the Exchange's website.

Please contact MIAX Listings with any questions at Listings@miaxglobal.com or (609) 897-7308.