Exhibit 99 CENTRAL MAINE POWER COMPANY PROXY SOLICITED ON BEHALF OF THE BOARD OF DIRECTORS (Common and 6% Preferred Shareholders) The undersigned shareholder hereby appoints Arthur W. Adelberg and David E. Marsh, and either of them, proxies, with power of substitution, to vote all shares that the undersigned is entitled to vote at the Annual Meeting of the Shareholders of Central Maine Power Company to be held on May 21, 1998 at 10 A.M. EDT, at the Augusta Civic Center, Augusta, Maine, and at any adjournments, on the proposals described in the accompanying Proxy Statement as marked on the reverse side, and in their discretion on any other matters that may properly come before the meeting or any adjournment. If this proxy is properly signed, your shares will be voted as you directed by marking the boxes on the reverse side. IF NO DIRECTION IS GIVEN, YOUR SHARES WILL BE VOTED FOR THE ELECTION OF --- ALL NOMINEES FOR DIRECTOR NAMED ON THE REVERSE SIDE, FOR PROPOSAL 2, AND FOR --- --- PROPOSAL 3 ON THE REVERSE SIDE. CONTINUED AND TO BE SIGNED ON REVERSE SIDE [X] Please mark votes as in this example THE BOARD OF DIRECTORS RECOMMENDS A VOTE FOR PROPOSALS 1, 2 AND 3. --- FOR AGAINST ABSTAIN 1. Election of Directors Nominees: Duane D. Fitzgerald 2. Proposal to approve the Agreement and [_] [_] [_] David M. Jagger Plan of Merger relating to the holding company restructuring of Central Maine VOTE FOR WITHHOLD VOTE Power Company. ALL FOR ALL [_] [_] 3. Approval of Coopers & Lybrand L.L.P., as [_] [_] [_] auditors for 1998. [_] --------------------------------------- To withhold vote for any nominee, write that nominee's name above. MARK HERE MARK HERE FOR ADDRESS [_] IF YOU PLAN [_] CHANGE AND TO ATTEND NOTE AT LEFT THE MEETING Please date, sign exactly as name(s) appear at left, and return promptly in enclosed envelope. If signing for a corporation or partnership, sign in that name and indicate your title. If signing as attorney, executor, guardian, trustee or custodian, please add your title. Signature: ____________________ Date: ___________