2009
                                                                    Form P.S.1                                                                                                           Massachusetts
                                              Public Service Corporation                                                                                                                 Department of
                                                                                                                                                                                         Revenue
                                                    Franchise Tax Return
For calendar year 2009 or taxable year beginning                                                                                                                                                           2009 and ending
Name of corporation                                                                                          Federal Identification number

Principal business address                 City/Town                          State   Zip                    Date of organization

Name of Treasurer/Assistant Treasurer/Responsible Corporate Officer                                          State of incorporation

Type of business for which credit is being claimed (check only one):
  Gas and electric          Railroad          Power                 Gas transmission                         Street railway
  Telephone                 Water             Aqueduct              Telecommunications
Has the federal government changed your taxable income for any prior year which has not yet been reported to Massachusetts?                                                           YesNo
If requesting alternative apportionment under MGL Ch. 63, sec. 42, check here 3    and enclose Form AA-1 (see instructions).
Excise Tax Calculation
11Net income as shown on U.S. Form 1120, line 28 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3             1
12State and municipal bond interest not included in U.S. net income . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3                    2
13Foreign, state or local income, franchise, excise or capital stock taxes deducted from U.S. net income . . . . . . . . . . . . . . . . . 3                                         3
14Portion of net capital loss carryover used to reduce capital gain from U.S. Schedule D . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3                               4
15Section 168(k) “bonus” depreciation adjustment. See instructions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3                    5
16Section 31I and 31J intangible and interest expense add back . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3                   6
17Federal production activity add back . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 7
18All other income not included in line 1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38
19Income before deductions. Add lines 1 through 8 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
10Dividends received from other utility corporations 80% or more owned included in line 1 (from Schedule N) . . . . . . . . . . . . 3                                               10
11Abandoned building renovation deduction. . . . . . . . . . . . . . . . . . . . . . . . . . . . Total cost 3$____________________×.10                                           3  11
12Exception to the add back of interest and/or intangible expenses (enclose schedule) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3                                 12
13Total deductions. Add lines 10 through 12 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
14Adjusted income. Subtract line 13 from line 9 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
15Income apportionment percentage (from Schedule O, line 5) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3                     15
16Taxable income. Multiply line 14 by line 15 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
17Excise due on income. Multiply line 16 by .065 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
18Credit recapture (enclose Schedule H-2) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3       18
19Excise due before credits. Add lines 17 and 18. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
20Economic Opportunity Area Credit (enclose Schedule EOAC) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3                        20
21Full Employment Credit (enclose Schedule FEC). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3              21
22Low-Income Housing Credit (enclose documentation) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3                 22
23Historic Rehabilitation Credit (enclose documentation) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3              23
24Film Incentive Credit. Certificate number 3                             . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3                         24
25Medical Device Credit. Certificate number 3                             . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3                           25
26Brownfields Credit. Certificate number 3                           . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3                          26
27Life Science Company Investment Tax Credit under section 38U . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3                        27
28Life Science Company FDA User Fee Credit under section 31M. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3                         28
29Life Science Company Research and Development Credit under section 38W . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3                                    29
30Total credits. Add lines 20 through 29 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3  30
31Subtotal. Subtract line 30 from line 19. Not less than “0”. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
32Voluntary contribution for Endangered Wildlife Conservation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3                  32
33Excise due plus voluntary contribution. Add lines 31 and 32 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3                 33

Under penalties of perjury, I declare that to the best of my knowledge and belief, this return and enclosures are true, correct and complete.
Signature of appropriate corporate officer          Social Security number            Telephone number                                                                                   Date
3
Signature of paid preparer                          Employer Identification number    Address                                                                                            Date

The Privacy Act Notice is available upon request. If you are signing as an authorized delegate of the appropriate corporate officer, check here 
and enclose Massachusetts Form M-2848, Power of Attorney.Mail to:   Massachusetts Department of Revenue, PO  Box 7052, Boston, MA 02204.
Make check or money order payable to theCommonwealth of Massachusetts.                                                                                                                   Form code 385 Tax type 0170

Refund or Tax Due
342008 overpayment applied to 2009 estimated tax . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3                         34
352009 Massachusetts estimated tax payments (do not include amount from line 34). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3                                              35
36Payments made with extension. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3              36
37Pass-through entity withholding. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3           37
38Refundable Film Credit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3       38
39Refundable Dairy Credit. Certificate number 3                                                                     . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 339
40Refundable Life Science Credit. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3            40
41Total payments. Add lines 34 through 40 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
42Amount overpaid. Subtract line 33 from line 41 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42
43Amount overpaid to be credited to 2010 estimated tax. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3                          43
44Amount overpaid to be refunded. Subtract line 43 from line 42 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3                              44
45Balance due. Subtract line 41 from line 33. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45
46M-2220 penalty 3 $_______________________; Other penalties 3$ ______________________. . . . . . . . . Total penalty                                                                          46
47Interest on unpaid balance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3         47
48Total payment due at time of filing. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3           48
Schedule N. Dividends from Other Utility Corporations 80% or More Owned
Name, address and Federal Identification number of corporations                                                                                                                                    Amount

                                                                                                                                                                                              Total

Schedule O. Income Apportionment
Apportionment factors
1Tangible property:                                                                                                 a. Massachusetts                                                               b. Worldwidec. Percentage
 aProperty owned (averaged) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1a                33
 bRented property (capitalized). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1b               33
 cTotals. Add lines 1a and 1b for each column. . . . . . . . . . . . . . . . . . . . . . 1c                         33
 dTangible property apportionment percentage. Divide line 1c, col. A by line 1c, col. b . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1d
2Payroll:
 aTotal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2a33
 bPayroll apportionment percentage. Divide line 2a, col. a by line 2a, col. b. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2b
3Sales:
 aTangibles. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3a   33
 bServices . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3b   33
 cRents and royalties. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3c         33
 dOther. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3d 33
 eTotals. Add lines 3a through 3d for each column. . . . . . . . . . . . . . . . . . . 3e                           33
 fSales apportionment percentage. Divide line 3e, col. a by line 3e, col. b . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3f
4Apportionment percentage. Add lines 1d, 2b and 3f . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
5Mass. apportionment percentage. Divide line 4 by 3. See instructions.Enter in line 15 of Computation of Franchise Tax. . . . . . 5