Errata for: Erik Quaeghebeur & Gert de Cooman, "Extreme lower probabilities", Proceedings of SMPS '06. Section 3.1, paragraph 2, line 2: Change l=1,...,k-1 to l=1,...,k. Theorem 1, last line: the sum goes over all roundB subseteq roundA different from the empty set. Section 3.2, paragraphs 4 & 5: Change Walley [15,§A.3] to Walley [15,§A3]. Section 4, paragraph 2, line 1: Add a comma after n=4.