Timeline

Target Date	Environment	Milestone	Description
Friday 23rd October 2020	Certification	Transaction Reporting Enforcement	Participants must have appropriate Transaction Reporting solution configuration in place at the port order entry level. This enforcement will provide Participants with a Certification environment that reflects the behaviour to be expected in the Production environment, effective Monday 4th January.
Friday 30th October 2020	Certification	Transaction Reporting Certification Deadline	Please ensure you have successfully certified and on-boarded for your transaction reporting solutions by this date.
Monday 2nd November 2020	Cboe LIS Certification	Introduction of Cboe LIS functionality to the Cboe NL Venue	The previously announced Cboe LIS Trading System changes will become effective on this date.
Monday 2nd November 2020	Cboe LIS Certification	LIS Symbol and Tick file no longer supported	Participants should download the CXE and DXE Symbol Reference Data Files.
Monday 9th November 2020	Certification	Cboe NL (DXE) EBBO update to Madrid & Oslo trading segments	Inclusion of prices from the Madrid and Oslo listing markets within the Cboe European Best Bid/Best Offer (EBBO) on our Cboe NL (DXE) platform
Monday 16th November 2020	Production	Cboe NL (DXE) EBBO update to Madrid & Oslo trading segments	Inclusion of prices from the Madrid and Oslo listing markets within the Cboe European Best Bid/Best Offer (EBBO) on our Cboe NL (DXE) platform
Friday 20th November 2020	Production	Cboe NL Venue Port Ordering Deadline	Any Cboe NL (DXE) logical port requests received after this date will be processed on a best efforts basis.
Friday 27rd November 2020	Production	Cboe Closing Cross (3C) Launch in DXE, subject to regulatory approval	Cboe Closing Cross (3C) Launch in DXE, subject to regulatory approval
Friday 4th December 2020	Cboe LIS Production	Cboe NL LIS: Test symbols can be entered and receive execution fills.	Test symbols can be entered and receive execution fills
Saturday 5th December 2020	Production	Brexit Production Saturday Dress Rehearsal	Cboe will hold a Saturday Brexit Production Dress Rehearsal on Saturday 5th December 2020 as part of Cboe’s Brexit programme. The test day in production will allow Participants and vendors to simulate Brexit-like system behaviour in Production in advance of Monday 4th January 2021. The scope of these tests will include the Production BXE, CXE, DXE, TRF (APA) and SIS environments.
Friday 11th December 2020	Cboe LIS Production	LIS Symbol and Tick file no longer supported	Participants should download the CXE and DXE Symbol Reference Data Files.
Friday 11th December 2020	Cboe LIS Production	Cboe LIS NL Go-live	Participants can submit IOIs and receive executions in LISZ.
Monday 4th January 2021	Production	Transaction Reporting Go-Live	Any impacted Participants who have not certified for a transaction reporting solution by this date will risk having access to the out of jurisdiction Cboe venue (depending on entity registration) and will be suspended.
Monday 4th January 2021	Production	Cboe NL: Inclusion of securities into the Additional Liquidity Provider Scheme (A-LPS) on DXE	Cboe NL (Cboe) will include Blue Chip Milan, Paris, Amsterdam, Brussels, Lisbon, Dublin, Frankfurt, Madrid, Stockholm, Copenhagen, Helsinki and Oslo listed securities into the Additional Liquidity Provider Scheme (A-LPS) on the DXE Lit Order Book.