X0202 4 2007-06-29 0 0001244937 ENERNOC INC ENOC 0001399290 Brewster David B C/O ENERNOC, INC. 75 FEDERAL STREET, SUITE 300 BOSTON MA 02110 1 1 0 0 President and COO Common Stock 2007-06-29 4 A 0 8000 0 A 1275502 D Common Stock 141550 I By The Brewster Grantor Retained Annuity Trust Stock Option (Right to Buy) 38.13 2007-06-29 4 A 0 20000 0 A 2017-06-29 Common Stock 20000 20000 D The Form 3 filed on May 17, 2007 and the Form 4 filed on May 24, 2007 understated the number of shares of Common Stock owned by the Reporting Person by 5,071 shares. The shares are owned directly by The Brewster Grantor Retained Annuity Trust and indirectly by Mr. Brewster as the grantor. Mr. Brewster disclaims beneficial ownership of these securities except to the extent of his pecuniary interest therein, if any, and the inclusion of these shares in this report shall not be deemed an admission of the beneficial ownership of all of the reported shares for purpose of Section 16 or for any other purpose. The option vests as to 25% on the first anniversary of the date of grant and as to an additional 2.08% per month thereafter. /s/ Garrett Winslow, Attorney-in-Fact 2007-07-03