sentences:  This acquisition was aimed at diversifying the revenue stream for EXL; prior to acquisition, 90% of EXL's revenues were from business process outsourcing (BPO), while after, BPO accounted for 70% with the balance in research and analytics and advisory services.In 2011, EXL expanded their delivery footprint in Eastern Europe and South East Asia through acquisition of OPI.In 2013, in reaction to the establishment of the Affordable Care Act and its mandate that all Americans acquire health insurance, EXL was reported to have planned a major run of acquisitions in the United States healthcare industry.