X0305 4 2012-05-15 0001297067 Copano Energy, L.L.C. CPNO 0001334994 ROBINSON SHARON J 2727 ALLEN PARKWAY SUITE 1200 HOUSTON TX 77019 1 SVP; Pres. & COO, OK and RM Common Units 2012-05-15 4 M 0 384 0 A 19414 D Common Units 2012-05-15 4 M 0 420 0 A 19834 D Common Units 2012-05-15 4 M 0 1120 0 A 20954 D Common Units 2012-05-15 4 M 0 1367 0 A 22321 D Common Units 2012-05-15 4 M 0 1864 0 A 24185 D Common Units 2012-05-15 4 F 0 1652 28.00 D 22533 D Phantom Units 2012-05-15 4 A 0 6630 0 A Common Units 6630 6630 D Phantom Units 2012-05-15 4 A 0 6630 0 A Common Units 6630 6630 D Phantom Units 2012-05-15 4 M 0 384 0 D Common Units 384 0 D Phantom Units 2012-05-15 4 M 0 420 0 D Common Units 420 420 D Phantom Units 2012-05-15 4 M 0 1120 0 D Common Units 1120 2240 D Phantom Units 2012-05-15 4 M 0 1367 0 D Common Units 1367 1366 D Phantom Units 2012-05-15 4 M 0 1864 0 D Common Units 1864 3726 D These common units were withheld to cover taxes payable upon vesting of phantom units reported in Table II. Closing price for the Company's common units on the date of vesting. Each phantom unit is the economic equivalent of one common unit. Phantom units are settled in common units on the date of vesting. Phantom units vest in three equal annual installments commencing May 15, 2013. Each performance unit is the economic equivalent of one common unit. Performance units that vest are settled in common units on the date of vesting. Performance units will cliff vest on May 15, 2015, provided that the performance goal, which is declaration of a specified annualized distribution per common unit, is met at any time during the vesting period. The number of performance units to vest can range from 50% to 200% of the award depending on the level of achievement of the performance goal. Performance units that do not vest will be forfeited. Phantom units vest in five equal annual installments commencing May 15, 2008. Phantom units vest in five equal annual installments commencing May 15, 2009. Phantom units vest in five equal annual installments commencing May 15, 2010. Phantom units vest in three equal annual installments commencing May 15, 2011. Phantom units vest in three equal annual installments commencing May 15, 2012. /s/ Angela S. Teer, attorney-in-fact 2012-05-17