COMBINED NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS (Unaudited)

Refer to the Glossary of Terms included in this combined Quarterly Report on Form 10-Q for abbreviations and acronyms used throughout the combined notes to the unaudited condensed consolidated financial statements.

NU is a public utility holding company primarily engaged through its wholly owned regulated utility subsidiaries in the energy delivery business. NU's wholly owned regulated utility subsidiaries included CL&P, PSNH, WMECO and Yankee Gas prior to NU's merger with NSTAR. On April 10, 2012, NU acquired 100 percent of the outstanding common shares of NSTAR and NSTAR (through a successor, NSTAR LLC) became a direct wholly owned subsidiary of NU. NSTAR Electric and NSTAR Gas, NSTAR LLC's regulated utility subsidiaries, are now also wholly owned subsidiaries of NU. NU provides energy delivery service to approximately 3.5 million electric and natural gas customers through six regulated utilities in Connecticut, Massachusetts and New Hampshire. NU's consolidated financial information includes NSTAR LLC and its subsidiaries' results of operations from April 10, 2012 through September 30, 2012. See Note 2, "Merger of NU and NSTAR," for further information regarding the merger.

NSTAR Electric continues to maintain reporting requirements as an SEC registrant. The information disclosed for NSTAR Electric represents the results of operations of the entity for the three and nine months ended September 30, 2012 and 2011 and the financial position as of September 30, 2012 and December 31, 2011, presented on a comparable basis. NU did not apply "push-down accounting" to NSTAR Electric, whereby the adjustments of assets and liabilities to fair value and the resultant goodwill would be shown on the financial statements of the acquired subsidiary.

The combined notes to consolidated financial statements have been prepared pursuant to the rules and regulations of the SEC. Certain information and footnote disclosures included in annual consolidated financial statements prepared in accordance with GAAP have been omitted pursuant to such rules and regulations. The accompanying unaudited condensed consolidated financial statements should be read in conjunction with the entirety of this combined Quarterly Report on Form 10-Q, the first and second quarter 2012 combined Quarterly Reports on Form 10-Q of NU, the first quarter 2012 Quarterly Report on Form 10-Q for NSTAR Electric, the 2011 combined Annual Report on Form 10-K of NU, CL&P, PSNH and WMECO (NU 2011 Form 10-K), the 2011 Annual Report on Form 10-K of NSTAR (NSTAR 2011 Form 10-K) and the 2011 Annual Report on Form 10-K of NSTAR Electric (NSTAR Electric 2011 Form 10-K), which were filed with the SEC.

The accompanying unaudited condensed consolidated financial statements contain, in the opinion of management, all adjustments (including normal, recurring adjustments) necessary to present fairly NU's and the above companies' financial positions as of September 30, 2012 and December 31, 2011, the results of operations and comprehensive income for the three and nine months ended September 30, 2012 and 2011, and cash flows for the nine months ended September 30, 2012 and 2011. The results of operations and comprehensive income for the three and nine months ended September 30, 2012 and 2011 and the cash flows for the nine months ended September 30, 2012 and 2011 are not necessarily indicative of the results expected for a full year. The demand for electricity and natural gas is affected by weather conditions, economic conditions, and consumer conservation behavior. Electric energy sales and revenues are typically higher in the winter and summer months than in the spring and fall months. Natural gas sales and revenues are typically higher in the winter months than during other periods of the year.

The unaudited condensed consolidated financial statements of NU, CL&P, NSTAR Electric, PSNH and WMECO include the accounts of all their respective subsidiaries. Intercompany transactions have been eliminated in consolidation.

The preparation of the unaudited condensed consolidated financial statements in conformity with GAAP requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities and disclosure of contingent liabilities as of the date of the unaudited condensed consolidated financial statements and the reported amounts of revenues and expenses during the reporting period. Actual results could differ from those estimates.

On April 10, 2012, upon consummation of the merger with NSTAR, NSTAR Electric's ownership in CYAPC and YAEC combined with CL&P's, PSNH's and WMECO's respective ownership interests in CYAPC and YAEC totaled greater than 50 percent, requiring NU to consolidate CYAPC and YAEC. The investment in CYAPC and YAEC had previously been accounted for under the equity method by NU. The consolidation of CYAPC and YAEC results in NU recording nuclear decommissioning trust marketable securities of $324.9 million, regulatory assets of $212.9 million, long-term debt associated with the long-term fuel disposal liabilities of $179.5 million, net accumulated deferred income tax liability of $58.8 million and asset retirement obligations related to decommissioning activity of $292.9 million as of September 30, 2012. At the NU consolidated level, intercompany transactions between CL&P, NSTAR Electric, PSNH and WMECO and CYAPC and YAEC have been eliminated in consolidation. For CL&P, NSTAR Electric, PSNH and WMECO, the investment in CYAPC and YAEC continue to be accounted for under the equity method.

On April 10, 2012, upon consummation of the merger with NSTAR, an NSTAR subsidiary that owned 25 percent of NPT was merged into NUTV, resulting in NUTV owning 100 percent of NPT. Accordingly, 100 percent ownership of NPT was reflected in Common Shareholders' Equity as of September 30, 2012 on the accompanying unaudited condensed consolidated balance sheet. See Note 2, "Merger of NU and NSTAR," and Note 13, "Common Shareholders' Equity and Noncontrolling Interests," for further information.

Certain prior period amounts in NSTAR Electric's accompanying unaudited condensed consolidated balance sheet, statements of income and cash flows have been reclassified between line items for comparative purposes and in order to conform to NU's presentation. The reclassifications did not affect NSTAR Electric's net income.

Certain changes in classification and corresponding reclassifications of prior period data were made in the accompanying unaudited condensed consolidated balance sheets and statements of income for NU, CL&P, PSNH and WMECO and statements of cash flows for NU, CL&P and WMECO to conform to current period presentation. The unaudited condensed consolidated statements of income reflect the reclassification of transmission expenses from Other Operating Expenses, as originally reported, to Purchased Power, Fuel and Transmission and the reclassification of energy efficiency expenses primarily from Other Operating Expenses, as originally reported, to Energy Efficiency Programs. In addition, Other Operating Expenses and Maintenance, as originally reported, were combined and are reported in aggregate as Operations and Maintenance. These reclassifications were made for comparative purposes to conform to the current period's presentation. The reclassifications on the statements of income were as follows:

	Transmission Expense				Energy Efficiency Expense
	Three Months Ended		Nine Months Ended		Three Months Ended		Nine Months Ended
(Millions of Dollars)	September 30, 2011		September 30, 2011		September 30, 2011		September 30, 2011
NU	$	6.3	$	71.1	$	35.3	$	99.7
CL&P		8.7		48.5		24.9		69.6
PSNH		(0.3)		12.7		3.7		9.6
WMECO		2.1		12.4		6.1		16.5

Effective January 1, 2012, NSTAR Electric increased its estimates with respect to the allowance for doubtful accounts, incurred but not reported claims on medical benefits, general and workers' compensation liabilities and various compensation accruals. The total aggregate impact of these increases in estimates to NSTAR Electric's accompanying unaudited condensed consolidated statements was $11.4 million, after-tax, for the first quarter and first nine months of 2012.

NU evaluates events and transactions that occur after the balance sheet date but before financial statements are issued and recognizes in the financial statements the effects of all subsequent events that provide additional evidence about conditions that existed as of the balance sheet date and discloses, but does not recognize, in the financial statements subsequent events that provide evidence about the conditions that arose after the balance sheet date but before the financial statements are issued. See Note 17, "Subsequent Events," for further information.

In the first quarter of 2012, NU adopted the Financial Accounting Standards Board's (FASB) final Accounting Standards Update (ASU) on fair value measurement. The ASU did not have an impact on NU's financial position, results of operations or cash flows, but required additional financial statement disclosures related to fair value measurements. For further information, see Note 5, "Derivative Instruments."

In the first quarter of 2012, NU adopted the FASB's final ASU on testing goodwill for impairment. The ASU provides the election to perform a qualitative assessment to determine whether it is more likely than not that the fair value of a reporting unit is less than its carrying value; if so, quantitative testing is required. The ASU does not change existing guidance relating to when an entity should test goodwill for impairment or the methodology to be utilized in performing quantitative testing. NU has not and does not currently intend to utilize the election provided by this ASU.

In the first quarter of 2012, NU adopted the FASB's final ASU on the presentation of comprehensive income. The ASU does not change existing guidance on which items should be presented in other comprehensive income but requires other comprehensive income to be presented as part of a single continuous statement of comprehensive income or in a statement of other comprehensive income immediately following the statement of net income. The ASU did not affect the calculation of net income, comprehensive income or EPS. The ASU did not have an impact on NU's financial position, results of operations or cash flows.

As of September 30, 2012, NU, CL&P and PSNH had $10.3 million, $1.4 million, and $7.4 million, respectively, of restricted cash, primarily relating to amounts held in escrow, insurance proceeds on bondable property at PSNH, and amounts related to the sale of land and propane equipment, which were included in Prepayments and Other Current Assets on the accompanying unaudited condensed consolidated balance sheets. As of December 31, 2011, these amounts for NU, CL&P and PSNH were $17.9 million, $9.4 million, and $7 million, respectively.

NU, including CL&P, NSTAR Electric, PSNH and WMECO, maintains a provision for uncollectible accounts receivables at an estimated net realizable value. This provision is determined based upon a variety of factors, including applying an estimated uncollectible account percentage to each receivable aging category, based upon historical collection and write-off experience and management's assessment of collectibility from individual customers. Management reviews the collectibility of the receivables, and if circumstances change, collectibility estimates are adjusted accordingly. Receivable balances are written off against the provision for uncollectible accounts when the accounts are terminated and these balances are deemed to be uncollectible.

The provision for uncollectible accounts, which is included in Receivables, Net on the accompanying unaudited condensed consolidated balance sheets, is as follows:

(Millions of Dollars)	As of September 30, 2012		As of December 31, 2011⁽¹⁾
NU	$	91.7	$	34.9
CL&P		11.2		14.8
NSTAR Electric		45.1		27.1
PSNH		9.5		7.2
WMECO		3.5		4.6

NU, including CL&P, NSTAR Electric, PSNH, and WMECO, applies fair value measurement guidance to derivative contracts recorded at fair value and to the marketable securities held in the NU supplemental benefit trust, WMECO's spent nuclear fuel trust and CYAPC's and YAEC's nuclear decommissioning trusts. Fair value measurement guidance is also applied to investment valuations used to calculate the funded status of NU's Pension and PBOP Plans, including NSTAR Electric's Pension Plan.

Fair Value Hierarchy: In measuring fair value, NU uses observable market data when available and minimizes the use of unobservable inputs. Inputs used in fair value measurements are categorized into three fair value hierarchy levels for disclosure purposes. The entire fair value measurement is categorized based on the lowest level of input that is significant to the fair value measurement. NU evaluates the classification of assets and liabilities measured at fair value on a quarterly basis, and NU's policy is to recognize transfers between levels of the fair value hierarchy as of the end of the reporting period. The three levels of the fair value hierarchy are described below:

Level 1 - Inputs are quoted prices (unadjusted) in active markets for identical assets or liabilities as of the reporting date. Active markets are those in which transactions for the asset or liability occur in sufficient frequency and volume to provide pricing information on an ongoing basis.

Level 2 - Inputs are quoted prices for similar instruments in active markets, quoted prices for identical or similar instruments in markets that are not active, and model-derived valuations in which all significant inputs are observable.

Level 3 - Quoted market prices are not available. Fair value is derived from valuation techniques in which one or more significant inputs or assumptions are unobservable. Where possible, valuation techniques incorporate observable market inputs that can be validated to external sources such as industry exchanges, including prices of energy and energy-related products.

Determination of Fair Value: The valuation techniques and inputs used in NU's fair value measurements are described in Note 5, "Derivative Instruments," Note 6, "Marketable Securities," and Note 11, "Fair Value of Financial Instruments.

Items included within Other Income, Net on the accompanying unaudited condensed consolidated statements of income primarily consist of investment income/(loss), interest income, AFUDC related to equity funds and equity in earnings. For CL&P, NSTAR Electric, PSNH and WMECO, equity in earnings relate to investments in CYAPC, YAEC and MYAPC accounted for on the equity method. On an NU consolidated basis, equity in earnings relate to the investment in MYAPC and NU's investment in two regional transmission companies.

Gross receipts taxes levied by the state of Connecticut are collected by CL&P and Yankee Gas from their respective customers. These gross receipts taxes are shown on a gross basis with collections in Operating Revenues and payments in Taxes Other Than Income Taxes on the accompanying unaudited condensed consolidated statements of income as follows:

	For the Three Months Ended				For the Nine Months Ended
(Millions of Dollars)	September 30, 2012		September 30, 2011		September 30, 2012		September 30, 2011
NU	$	36.4	$	35.0	$	102.0	$	105.8
CL&P		34.4		33.0		91.5		93.2

Certain sales taxes are also collected by CL&P, NSTAR Electric, WMECO, Yankee Gas and NSTAR Gas from their respective customers as agents for state and local governments and are recorded on a net basis with no impact on the accompanying unaudited condensed consolidated statements of income.

Non-cash investing activities include plant additions included in Accounts Payable as follows:

(Millions of Dollars)	As of September 30, 2012		As of September 30, 2011⁽¹⁾
NU	$	139.9	$	121.7
CL&P		45.9		22.1
NSTAR Electric		21.5		29.4
PSNH		20.1		32.4
WMECO		35.1		45.8

In February 2012, CL&P provided approximately $27 million of bill credits to its residential customers who remained without power after noon on November 5, 2011 as a result of the October 2011 snowstorm. This disbursement is reflected as a use of cash and recorded in Other Current Assets and Liabilities, Net on the accompanying unaudited condensed consolidated statements of cash flows for the nine months ended September 30, 2012 for CL&P and NU.

The merger of NU with NSTAR on April 10, 2012 represented a significant non-cash transaction. Refer to Note 2, "Merger of NU and NSTAR," for further information on the purchase price of NSTAR.