Roll-over Study to Collect and Assess Long-term Safety of Everolimus in Patients With TSC and Refractory Seizures Who Have Completed the EXIST-3 Study [CRAD001M2304] and Who Are Benefitting From Continued Treatment

Key Inclusion Criteria: * Patient is currently enrolled in the Novartis-sponsored EXIST-3 study, receiving everolimus, and has fulfilled all its requirements * Patient is currently benefiting from treatment with everolimus, as determined by the Investigator. * Patient has demonstrated compliance, as assessed by the Investigator,with the parent study protocol requirements. * Patient is willing and able to comply with scheduled visits and treatment plans. * Written informed consent/adolescent assent obtained prior to enrolling into the roll-over study. Key Exclusion Criteria: * Patient has been permanently discontinued from everolimus study treatment in EXIST-3 study * Everolimus is approved for patients with TSC and refractory seizures and is reimbursed in the local country. * Patients who are receiving everolimus in combination with unapproved or experimental treatments for seizure control Anti-epileptic drug (AEDs) are allowed for the purpose of seizure control.