On 11 June she torpedoed and sank the Greek Mount Hymettus and on 12 June she claimed the British Earlspark. The final two successes came when she sank the Greek Antonis Georgandis on 14 June followed by the British Wellington Star on the 16th. Between 12 and 15 June U-101 operated as part of wolfpack Rösing. She was attacked again on 23 June at 04:08 while in the North Sea returning to base, when an aircraft dropped three bombs, damaging the periscope. She returned to Kiel on 25 June.
