Cook rice according to package directions. Halfway through cooking, stir in 1/2 cup (125 mL) salsa and corn. Cover and finish cooking.
Remove from the heat and let stand, 5 min. Fluff with a fork and mix in remaining ingredients. Spoon onto 4 plates and garnish each with remaining 1 1/2 tsp (7 mL) salsa and additional cilantro.