X0306 4 2016-10-04 0 0001103601 WGL HOLDINGS INC WGL 0001377059 Staebler Douglas A 101 CONSTITUTION AVENUE, NW WASHINGTON DC 20080 0 0 0 1 Senior VP Washington Gas Common Stock 2016-10-04 4 A 0 5356 0.00 A 18481 D Common Stock 2016-10-04 4 F 0 1773 62.70 D 16708 D Common Stock 1050.7208 I 401(k) This line reports vesting of performance shares under a plan exempt under Rule 16b-3. This line reports withholding of performance shares for taxes under a plan exempt under Rule 16b-3. Douglas A. Staebler,by Blaise F. Brennan, Attorney-in-fact 2016-10-05