1. To prepare rice, cook rice according to package directions, omitting salt and fat. Add cilantro, oil, cumin, 1/4 teaspoon salt, 1/4 teaspoon pepper, and green chiles, stirring to combine.
2. To prepare shrimp, while rice cooks, combine shrimp, garlic, lime rind, 1/4 teaspoon salt, chile powder, and 1/4 teaspoon pepper in a medium bowl, tossing to coat shrimp.
3. Heat a large skillet over medium heat. Coat pan with cooking spray. Add shrimp to pan; sauté 3 minutes. Stir in lime juice and butter; cook 1 minute, tossing to coat. Remove from pan. Serve shrimp with rice.