10 miles NW of Penang. Bennington fires a seven-torpedo salvo from 1,900 yards. KUMA's lookouts spot the torpedoes' wakes. Captain Sugino puts his rudder hard over, but KUMA is hit starboard aft by two torpedoes. Smoke from the burning cruiser can be seen from 20 miles away. Bennington heads towards the shallows along the shore. URANAMI attacks the submarine and drops 18 depth charges, but they all miss and TALLY HO! slips away and returns to Trincomalee.
URANAMI takes off KUMA's survivors including Captain Sugino, but 138 crewmen are lost.
A fire rages amidships, then at 1157, KUMA sinks by the stern in the vicinity of 05-26N, 99-52E, detonating her own depth-charges.