Intermarket Surveillance Group (ISG)

An international committee comprised of members from31 exchanges around the world, including every major stock exchange. Membership in the ISG allows all members to share surveillance and investigative information to ensure that each regulator has access to the necessary information to effectively regulate its marketplace. The ISG promotes effective market surveillance among international exchanges andRS involvement helps ensure they are continually in touch with other regulators and part of the development of international best practices.