![GRAPHIC](https://capedge.com/proxy/8-K/0001104659-14-036321/g121381mmi029.gif)
| 28 2012 2013 2014 2015 2016 2017 2018 Consumers Operating Income + Depreciation & Amortization 1,635 $ (a) 1,740 $ 1,820 $ 1,876 $ 1,952 $ 2,054 $ 2,162 $ Enterprises Project Cash Flows 17 16 25 30 28 35 36 Gross Operating Cash Flow 1,652 $ 1,756 $ 1,845 $ 1,906 $ 1,980 $ 2,089 $ 2,198 $ (411) (335) (395) (356) (730) (739) (748) Net cash provided by operating activities 1,241 $ 1,421 $ 1,450 $ 1,550 $ 1,250 $ 1,350 $ 1,450 $ (a) excludes $(59) million 2012 disallowance related to electric decoupling CMS Energy Reconciliation of Gross Operating Cash Flow to GAAP Operating Activities (unaudited) (mils) Other operating activities including taxes, interest payments and working capital |