Inclusion Criteria:

Histologically confirmed diagnosis of locally advanced or metastatic melanoma (stage IIIB
to IV per American Joint Committee on Cancer [AJCC]), or confirmed diagnosis of
non-resectable advanced metastatic colorectal cancer (mCRC), or any other indication upon
agreement with the Sponsor, whose disease has progressed despite previous antineoplastic
therapy or for whom no further effective standard therapy is available

- Written documentation of BRAF V600E mutation, or any other BRAF V600 mutation

- Evidence of measurable disease as determined by RECIST v1.1

- World Health Organization (WHO) Performance Status ≤ 2

- Negative serum pregnancy test within 72 hours prior to the first study dose in all
women of childbearing potential

Exclusion Criteria:

Progressive disease following prior treatment with RAF-inhibitors in combination with
MEK-inhibitors

- Symptomatic or untreated leptomeningeal disease

- Symptomatic brain metastases. Patients are not permitted to receive enzyme inducing
anti-epileptic drugs

- Known acute or chronic pancreatitis

- History or current evidence of retinal disease, retinal vein occlusion or
ophthalmopathy

- Clinically significant cardiac disease

- Patients with abnormal laboratory values at Screening/baseline

- Impairment of gastrointestinal (GI) function or GI disease that may significantly
alter the absorption of oral LGX818/MEK162

- Previous or concurrent malignancy

- Pregnant or nursing (lactating) women

Other protocol-defined inclusion/exclusion criteria may apply