Group rate? Probably not. From the terms:
Points are not issued for Stays at the following reduced room rates (Non-Qualifying Room Rates or Non-Qualifying Stay): net wholesale individual and group rate, certain package rates, employee discount rate, friends and family rate, crew rate, special discounted contract rates, seasonal worker/crew rate, 50% travel club discount rate, travel industry discount rate, distressed passenger rate, IHG® Rewards Club Reward Nights/Airline Hotel Reward rate, most rates booked through most third party web sites, complimentary hotel Stays and any other rates not defined as a Qualifying Room Rate.