In a 6-qt. electric pressure cooker, combine tomatoes, broth and tomato paste. Stir in the celery, green peppers, onion, garlic and seasonings. Stir in chicken and sausage. , Lock lid; make sure vent is closed. Select manual setting; adjust pressure to high and set time for 8 minutes. When finished cooking, quick-release pressure according to manufacturer's instructions. , Select saute and adjust for high heat. Stir in shrimp. Cook 5 minutes longer or until shrimp turn pink. Serve with rice.