Service Announcement
001/06112017 /

Member Portal Go-Live & MiFID II Enhancements

The Member Portal is a secure online communication tool for member firms to manage their membership profiles and technical configurations for production trading systems. From Friday 10 November 2017, the Member Portal will be available for access by member firms.

Registered member firm Super Users will be emailed their user credentials to access the Member Portal from this date. The Member Portal will be accessible at the following address:

Access to the Member Portal for clearing and settlement providers will be confirmed at a future date. In the interim period, member firms requiring new configurations or changes to clearing and settlement details should continue to use a static data form available from the Membership Team at .

Member firms that have not registered yet for the Member Portal should complete the Member Portal Order Form and return this to the Membership Team at . The Member Portal Order Form, Terms & Conditions and support information are available on the London Stock Exchange website at the following address:

MiFID II Enhancements

The Member Portal will shortly be enhanced with additional functionality to support requirements arising from MiFID II.

Short Code/Long Code Mapping

From Monday 20 November 2017, the Member Portal will offer functionality to support the mapping of Short and Long Codes for identifiers required to be provided under Commission Delegated Regulation (EU) 2017/580 (“RTS 24”). This will include a Short/Long code upload facility via the Member Portal and bulk upload via SFTP. As announced in Service Announcement 001/19092017, a user guide for managing short code/ long code mappings is available at the following address:

Member firms will be able to test uploading short code/ long code mappings using test data from Monday 20 November until Friday 8 December.

From Monday 11 December, there will be a clear down of mappings from the Member Portal database andonly production data intended to be used from MiFID II go-live should be uploaded from this date. There will be no validation of short code/ long code mappings against short codes entered on order messages until 3 January 2018.

Member firms requiring setup for SFTP bulk upload should complete the bulk upload template for SFTP user creation and return to their Technical Account Manager or the Technical Account Management team at .

Algorithmic Market Making Agreement & Registration

From Thursday 30 November, member firms engaging in algorithmic trading and needing to register as a market maker under the Rules of the London Stock Exchange (as amended for MiFID II) will be able to complete an Algorithmic Market Making Agreement in the Member Portal. In addition to completing the agreement, member firms will be able to nominate the trading identifiers (the desk or desks) which will be used for monitoring purposes and to provide details of the instruments in which they will be registering as a market maker.

Member Trading Declarations

Ahead of 3 January 2018, member firms will be required to provide further information as to the type of activity undertaken on London Stock Exchange markets in order that London Stock Exchange can complete its regulatory reporting obligations. Member firms will be required to complete declarations relating to:

-MiFID Status: whether the member firm is subject to MiFID/ MiFIR or if the member is a non-MiFID firm;

-Algorithmic Trading: whether the member firm undertakes algorithmic trading and (if yes) the means used to test its algorithms;

-Direct Electronic Access (DEA): whether the member firm provides DEA services to its clients and (if yes) whether its clients undertake algorithmic trading.

The trading declarations will be available for completion in the Member Portal from Thursday 30 November.

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Service Announcement
001/06112017 /

Member Portal Go-Live & MiFID II Enhancements

Relates to

Exchange(s)

—London Stock Exchange

Environment(s)

—Production

Type

—Go-Live

Product(s)

—Member Portal

Additional Information

If you have any queries please contact your Technical Account Manager on+44(0)20 7797 3939 or .

An archive of previously issued service announcements is available in the technical library section of London Stock Exchange's Internet site

Customers are reminded that London Stock Exchange may broadcast test data from its Production environment at the weekends which should be discarded and not processed.

Customers are reminded that London Stock Exchange may extend or re-enter the Post Close session for instruments or segments in order to perform necessary end of day activities.

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